Edit .onedev-buildspec.yml

Update positions on 60tps, position of objects can be modified while
physic simulation is running. Position is owned by transform comps but
the truth is held by the physics engine for affected entities

.onedev-buildspec.yml

@@ -0,0 +1,49 @@
+version: 46
+jobs:
+- name: Push to Gitea
+  steps:
+  - type: PushRepository
+    name: Push to Gitea
+    remoteUrl: https://gitea.anfer.fr/anfer/OpenEngine
+    passwordSecret: Gitea
+    force: false
+    condition: SUCCESSFUL
+    optional: false
+  triggers:
+  - type: BranchUpdateTrigger
+    branches: main
+    userMatch: anyone
+    projects: OpenEngine
+  - type: TagCreateTrigger
+    branches: main
+    projects: OpenEngine
+  retryCondition: never
+  maxRetries: 3
+  retryDelay: 30
+  timeout: 14400
+- name: Compile for Linux
+  steps:
+  - type: CheckoutStep
+    name: Checkout
+    cloneCredential:
+      type: DefaultCredential
+    withLfs: false
+    withSubmodules: false
+    condition: SUCCESSFUL
+    optional: false
+  - type: CommandStep
+    name: Compile for Linux
+    runInContainer: true
+    image: erriss/erris-build_tools:V0.1
+    interpreter:
+      type: DefaultInterpreter
+      commands: |
+        . .envrc
+        just c
+    useTTY: true
+    condition: SUCCESSFUL
+    optional: false
+  retryCondition: never
+  maxRetries: 3
+  retryDelay: 30
+  timeout: 14400

README.md

@@ -0,0 +1 @@
+Readme

assets/shaders/color3d.glsl

@@ -0,0 +1,101 @@
+#type vertex
+#version 450 core
+
+layout(location = 0) in vec3 a_Position;
+layout(location = 1) in vec3 a_Normal;
+layout(location = 2) in vec2 a_TexCoord;
+
+layout(std140, binding = 0) uniform Camera
+{
+	mat4 u_ViewProjection;
+    vec3 u_ViewPosition;
+};
+
+layout(std140, binding = 1) uniform Transform
+{
+    mat4 u_Transform;
+};
+
+struct VertexOutput
+{
+	vec2 TexCoord;
+    vec3 Normal;
+    vec3 ViewPos;
+};
+
+layout (location = 0) out VertexOutput Output;
+layout (location = 5) out vec4 v_Pos;
+
+void main()
+{
+	Output.TexCoord = a_TexCoord;
+    Output.Normal = mat3(transpose(inverse(u_Transform))) * a_Normal;
+    Output.ViewPos = u_ViewPosition;
+
+    v_Pos = u_Transform * vec4(a_Position, 1.0);
+    gl_Position = u_ViewProjection * v_Pos;
+}
+
+#type fragment
+#version 450 core
+
+layout (location = 0) out vec4 color;
+layout (location = 1) out int color2;
+
+layout (std140, binding = 2) uniform Material
+{
+    vec4 u_Albedo;
+    float u_Roughness;
+    float u_Metallic;
+    float u_AmbientStrength;
+    float u_SpecularStrength;
+};
+
+layout(std140, binding = 3) uniform EditorID
+{
+    int u_EntityID;
+};
+
+struct VertexOutput
+{
+	vec2 TexCoord;
+    vec3 Normal;
+    vec3 ViewPos;
+};
+
+layout (location = 0) in VertexOutput Input;
+layout (location = 4) in flat int v_EntityID;
+layout (location = 5) in vec4 v_Pos;
+
+void main()
+{
+    vec3 lightPos = vec3(0.0f, 1.0f, 0.0f);
+    vec3 lightColor = vec3(1.0f, 1.0f, 1.0f);
+
+    // Ambiant lighting
+    vec3 ambient = lightColor * u_AmbientStrength;
+
+    // Diffuse lighting
+    vec3 norm = normalize(Input.Normal);
+    vec3 lightDir = normalize(lightPos - v_Pos.xyz);
+
+    float diff = max(dot(norm, lightDir), 0.0);
+    vec3 diffuse = diff * lightColor;
+
+    // Specular highlight
+    vec3 viewDir = normalize(Input.ViewPos - v_Pos.xyz); // .xyz here too
+    vec3 reflectDir = reflect(-lightDir, norm);
+
+    float shininess = mix(2.0, 256.0, 1.0 - u_Roughness);
+    float spec = pow(max(dot(viewDir, reflectDir), 0.0), shininess);
+    vec3 specularColor = mix(vec3(1.0), u_Albedo.rgb, u_Metallic);
+    vec3 specular = u_SpecularStrength * spec * lightColor * specularColor;
+
+    // Total
+    //vec3 result = (ambient + diffuse + specular) * Input.Color.rgb; // objectColor → Input.Color.rgb
+    vec3 result = (ambient + diffuse + specular) * u_Albedo.rgb; // objectColor → Input.Color.rgb
+
+    // Output
+    color = vec4(result, u_Albedo.w); // vec3 → vec4
+	color2 = u_EntityID;
+}

conanfile.txt

@@ -3,6 +3,8 @@ imgui/1.92.5-docking
 spdlog/1.16.0
 entt/3.16.0
 yaml-cpp/0.8.0
+joltphysics/5.2.0
+fastgltf/0.9.0
 
 [generators]
 CMakeDeps

editor/include/editor.hpp

@@ -1,17 +1,21 @@
 #ifndef EDITOR_HPP
 #define EDITOR_HPP
 
-#include <filesystem>
 #include <open_engine.hpp>
 
-#include "open_engine/application.hpp"
+#include "open_engine/fastgltf.hpp"
 #include "open_engine/logging.hpp"
-#include "open_engine/renderer/texture.hpp"
+#include "open_engine/ref_scope.hpp"
-#include "open_engine/scene/entity.hpp"
+#include "open_engine/renderer/model3d.hpp"
-#include "open_engine/scene/scene_serializer.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
+#include "open_engine/scene/components.hpp"
 #include "panels/content_browser.hpp"
 #include "panels/scene_hierarchy.hpp"
 
+#include <Jolt/Physics/Collision/Shape/Shape.h>
+#include <Jolt/Math/Real.h>
+#include <Jolt/Math/Vec3.h>
+#include <Jolt/Physics/Body/BodyCreationSettings.h>
 #include <glm/ext/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 #include <glm/matrix.hpp>
@@ -19,6 +23,7 @@
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
 #include <ImGuizmo.h>
+#include <filesystem>
 #include <cstdint>
 #include <imgui.h>
 #include <vector>
@@ -93,9 +98,66 @@ namespace OpenEngine {
 
                 editor_camera = EditorCamera(30.0f, 1920.0f/1080.0f, 0.1f, 1000.0f);
 
+                // TODO: Add license
                 icons["play"] = Texture2D::Create("resources/textures/icons/play.png");
                 icons["stop"] = Texture2D::Create("resources/textures/icons/stop.png");
-                // TODO: Add file texture. Get free icons and add license
+
+                // =============================================
+                Entity cube = scene->CreateEntity("cube");
+
+                auto& tc = cube.AddComponent<TransformComponent>();
+
+                Ref<Mesh> mesh = CreateCube(cube);
+
+                auto& mc = cube.AddComponent<MeshComponent>(mesh);
+                mc.primitive_type = PrimitiveType::Cube;
+
+                // =============================================
+                Entity quad = scene->CreateEntity("quad");
+                quad.AddComponent<TransformComponent>();
+                quad.GetComponents<TransformComponent>().translation = {0, 0, 0};
+
+                Ref<Mesh> quad_mesh = CreateQuad(quad, true);
+
+                auto& mc3 = quad.AddComponent<MeshComponent>(quad_mesh);
+                mc3.primitive_type = PrimitiveType::Quad;
+
+                // =============================================
+                Entity cube2 = scene->CreateEntity("cube2");
+                cube2.AddComponent<TransformComponent>();
+                cube2.GetComponents<TransformComponent>().translation = {2, 0, 0};
+
+                Ref<Mesh> mesh2 = CreateCube(cube2);
+
+                auto& mc2 = cube2.AddComponent<MeshComponent>(mesh2);
+                mc2.primitive_type = PrimitiveType::Cube;
+
+                // ============================================================
+
+                Entity cube3 = scene->CreateEntity("glb");
+                Entity cube4 = scene->CreateEntity("glb2");
+                Entity cube5 = scene->CreateEntity("glb2");
+                cube3.AddComponent<TransformComponent>();
+                cube4.AddComponent<TransformComponent>();
+                cube5.AddComponent<TransformComponent>();
+
+                Ref<Model3D> model = Model3D::Create("./assets/models/cubes.glb");
+                Ref<Model3D> model2 = Model3D::Create("./assets/models/cube_legs.glb");
+                Ref<Model3D> monkey = Model3D::Create("./assets/models/monkey.glb");
+
+                cube3.AddComponent<ModelComponent>(model);
+                cube3.AddComponent<ModelComponent>(model2);
+                cube4.AddComponent<ModelComponent>(monkey);
+
+                /*
+                auto view = scene->GetRegistry().view<TagComponent>();
+
+                for (auto& entity : view) {
+                    auto tag = view->get(entity);
+                    OE_DEBUG("entity: {}, tag: {}", (uint32_t)entity, tag.tag);
+                }
+                */
+
                 //icons["folder"] = Texture2D::Create("resources/textures/icons/folder.png");
                 /*
                 for (float i = 0; i < 200; i++) {
@@ -140,12 +202,11 @@ namespace OpenEngine {
                 }
 
                 framebuffer->Bind();
-                Renderer2D::ResetStats();
+                //Renderer2D::ResetStats();
                 RenderCommand::SetClearColor({0.11f, 0.11f, 0.15f, 1.0f});
                 RenderCommand::Clear();
                 framebuffer->ClearBufferI(1, -1);
 
-
                 switch (state) {
                     case PlayState::Play: {
                         scene->OnUpdateRuntime();
@@ -172,6 +233,7 @@ namespace OpenEngine {
                 static bool clicked = false;
                 // Mouse Picking
                 if (Input::IsMouseButtonPressed(MouseCode::ButtonLeft)
+                        && !Application::Get().GetImGuiLayer()->GetBlockEvents()
                         && mouse_x >= 0 && mouse_y >= 0
                         && mouse_x < (int)viewport_size.x
                         && mouse_y < (int)viewport_size.y
@@ -193,6 +255,8 @@ namespace OpenEngine {
                 }
 
                 framebuffer->Unbind();
+
+                scene->UpdateEntities();
             }
 
             bool EditorKeyBinds(KeyPressedEvent& event)
@@ -203,6 +267,29 @@ namespace OpenEngine {
                 bool shift = Input::IsKeyPressed(Key::LeftShift) || Input::IsKeyPressed(Key::RightShift);
 
                 switch(event.GetKeyCode()) {
+                    case KeyCode::S: {
+                        if (control) {
+                            std::string file = FileDialogs::SaveFile("useless");
+                            OE_TRACE("saving to filename: {}", file);
+                            SaveScene(file);
+                        }
+                        break;
+                    }
+                    case KeyCode::N: {
+                        if (control) {
+                            scene = CreateRef<Scene>();
+                            scene->OnViewportResize((uint32_t)viewport_size.x, (uint32_t)viewport_size.y);
+                            scene_hierarchy.Init(scene);
+                        }
+                        break;
+                    }
+                    case KeyCode::O: {
+                        if (control) {
+                            std::string file = FileDialogs::OpenFile("useless");
+                            OE_DEBUG("loading scene: {}", file);
+                            OpenScene(file);}
+                        break;
+                    }
                     case KeyCode::Q: {
                         guizmo_operation = -1;
                         break;
@@ -219,6 +306,16 @@ namespace OpenEngine {
                         guizmo_operation = ImGuizmo::OPERATION::SCALE;
                         break;
                     }
+                    case KeyCode::T: {
+                        guizmo_operation = ImGuizmo::OPERATION::UNIVERSAL;
+                        break;
+                    }
+                    case KeyCode::Delete: {
+                        scene->MarkEntityForDeletion(selected_entity);
+                        scene_hierarchy.ClearSelection();
+                        selected_entity = {};
+                        break;
+                    }
                     default:
                         break;
                 }
@@ -282,11 +379,15 @@ namespace OpenEngine {
             void DrawViewport()
             {
                 ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2{ 0, 0 });
-
                 ImGui::Begin("Viewport");
+
+                bool was_focused = viewport_focused;
                 viewport_focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow);
                 viewport_hovered = ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow);
-                Application::Get().GetImGuiLayer()->SetBlockEvents((!viewport_focused && !viewport_hovered) || ImGui::IsAnyItemActive());
+                Application::Get().GetImGuiLayer()->SetBlockEvents(ImGui::IsAnyItemActive());
+
+                if (viewport_focused && !was_focused)
+                    editor_camera.ResetMousePosition();
 
                 ImVec2 viewport_panel_size = ImGui::GetContentRegionAvail();
 
@@ -318,7 +419,7 @@ namespace OpenEngine {
 
             void DrawStats()
             {
-                auto stats = Renderer2D::GetStats();
+                //auto stats = Renderer2D::GetStats();
                 static float time = 0;
 
                 time += Time::DeltaTime();
@@ -330,17 +431,17 @@ namespace OpenEngine {
                 ImGui::Begin("Statistics");
                 ImGui::SeparatorText("Performance");
                 ImGui::Text("FPS: %0.0f", 1 / Time::DeltaTime());
-                ImGui::Text("Renderer2D:");
+                //ImGui::Text("Renderer2D:");
-                ImGui::Text("\t\tDraw calls: %d", stats.draw_calls);
+                //ImGui::Text("\t\tDraw calls: %d", stats.draw_calls);
-                ImGui::Text("\t\tQuad count: %d", stats.quad_count);
+                //ImGui::Text("\t\tQuad count: %d", stats.quad_count);
-                ImGui::Text("\t\tVertices count: %d", stats.GetTotalVertexCount());
+                //ImGui::Text("\t\tVertices count: %d", stats.GetTotalVertexCount());
-                ImGui::Text("\t\tIndices count: %d", stats.GetTotalIndexCount());
+                //ImGui::Text("\t\tIndices count: %d", stats.GetTotalIndexCount());
-                if (selected_entity) {
+                //if (selected_entity) {
-                    ImGui::SeparatorText("Entities");
+                //    ImGui::SeparatorText("Entities");
-                    ImGui::Text("Selected entity:");
+                //    ImGui::Text("Selected entity:");
-                    ImGui::Text("\t\tname: %s", selected_entity.GetComponents<TagComponent>().tag.c_str());
+                //    ImGui::Text("\t\tname: %s", selected_entity.GetComponents<TagComponent>().tag.c_str());
-                    ImGui::Text("\t\tid: %d", (uint32_t)selected_entity);
+                //    ImGui::Text("\t\tid: %d", (uint32_t)selected_entity);
-                }
+                //}
                 ImGui::End();
             };
 
@@ -400,6 +501,14 @@ namespace OpenEngine {
                 }
             }
 
+            void SaveScene(const std::string& file)
+            {
+                if (!file.empty()) {
+                    SceneSerializer serializer(scene);
+                    serializer.Serialize(file);
+                }
+            }
+
             void DrawPlayBar()
             {
                 ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 0, 2 });
@@ -450,10 +559,7 @@ namespace OpenEngine {
                             if (ImGui::MenuItem("Save Scene As", "Ctrl+S")) {
                                 std::string file = FileDialogs::SaveFile("useless");
                                 OE_TRACE("saving to filename: {}", file);
-                                if (!file.empty()) {
+                                SaveScene(file);
-                                    SceneSerializer serializer(scene);
-                                    serializer.Serialize(file);
-                                }
                             }
                             if (ImGui::MenuItem("Open Scene", "Ctrl+O")) {
                                 std::string file = FileDialogs::OpenFile("useless");
@@ -489,10 +595,12 @@ namespace OpenEngine {
             void OnScenePlay()
             {
                 state = PlayState::Play;
+                scene->OnRuntimeStart();
             }
             void OnSceneStop()
             {
                 state = PlayState::Edit;
+                scene->OnRuntimeStop();
             }
 
         private:
@@ -532,24 +640,3 @@ class EditorApp : public OpenEngine::Application
 };
 
 #endif // EDITOR_HPP
-
-/*
-#include <cstdio>
-#include <string>
-
-std::string OpenFile() {
-    char buffer[1024];
-    // This command opens a native GTK file picker and returns the path
-    FILE* pipe = popen("zenity --file-selection", "r");
-    if (!pipe) return "";
-
-    if (fgets(buffer, sizeof(buffer), pipe) != NULL) {
-        std::string path = buffer;
-        path.erase(path.find_last_not_of("\n") + 1); // Clean newline
-        pclose(pipe);
-        return path;
-    }
-    pclose(pipe);
-    return "";
-}
-*/

editor/include/editor_component.hpp

@@ -13,12 +13,16 @@ namespace OpenEngine {
             const std::array<const char*, 3> labels = {"x", "y", "z"});
 
     void TagOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void TransformOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void SpriteOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void CameraOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void MeshOnImGuiRender(entt::registry&registry, entt::entity entity);
+    void MaterialOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void BodyOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void SphereShapeOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void BoxShapeOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void PlaneShapeOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void ModelOnImGuiRender(entt::registry& registry, entt::entity entity);
 }
 
 #endif // EDITOR_COMPONENT_HPP

editor/include/panels/content_browser.hpp

@@ -6,6 +6,8 @@
 
 namespace OpenEngine {
 
+    class EditorLayer;
+
     class ContentBrowserPanel
     {
         public:
@@ -16,6 +18,7 @@ namespace OpenEngine {
         private:
             std::filesystem::path current_directory;
             Ref<Texture2D> folder_icon;
+            Ref<Texture2D> file_icon;
     };
 
 }

editor/include/panels/scene_hierarchy.hpp

@@ -27,6 +27,7 @@ namespace OpenEngine {
 
             Entity GetSelectedEntity() const { return selected_context; };
             void SetSelectedEntity(Entity entity) { selected_context = entity; };
+            void ClearSelection() { selected_context = {}; };
 
         private:
             void DrawEntityNode(Entity& entity);

editor/src/editor_component.cpp

@@ -1,5 +1,11 @@
 #include "imgui.h"
+#include "open_engine/renderer/renderer3d.hpp"
+#include "open_engine/scene/components.hpp"
+#include <Jolt/Physics/Body/MotionType.h>
+#include <cstdint>
 #include <editor_component.hpp>
+#include <entt/entity/fwd.hpp>
+#include <glm/gtc/type_ptr.hpp>
 #include <open_engine.hpp>
 
 namespace OpenEngine {
@@ -91,6 +97,7 @@ namespace OpenEngine {
         if (ImGui::InputText("##tagEditor", buffer, sizeof(buffer), ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll)
                 || (!ImGui::IsItemActive() && ImGui::IsMouseClicked(0)))
             tag = buffer;
+        ImGui::Spacing();
     };
 
     void TransformOnImGuiRender(entt::registry& registry, entt::entity entity) 
@@ -101,6 +108,7 @@ namespace OpenEngine {
         DrawVec3Control("Rotation", rotation_comp);
         transform.rotation = glm::radians(rotation_comp);
         DrawVec3Control("Scale", transform.scale);
+        ImGui::Spacing();
     };
     
     void SpriteOnImGuiRender(entt::registry& registry, entt::entity entity) 
@@ -170,4 +178,149 @@ namespace OpenEngine {
         }
 
     };
+
+    void MeshOnImGuiRender(entt::registry& registry, entt::entity entity)
+    {
+        auto& mesh_component = registry.get<MeshComponent>(entity); 
+
+        const char* items[] = { "None", "Quad", "Cube" };
+
+        int item_selected_idx = (int)mesh_component.primitive_type;
+        if (ImGui::BeginCombo("Mesh", items[item_selected_idx])) {
+            for (int n = 0; n < 3; n++) {
+                const bool is_selected = (item_selected_idx == n);
+                if (ImGui::Selectable(items[n], is_selected))
+                    item_selected_idx = n;
+
+                // Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
+                if (is_selected)
+                    ImGui::SetItemDefaultFocus();
+            }
+            ImGui::EndCombo();
+        }
+
+        if ((int)mesh_component.primitive_type == (item_selected_idx))
+            return;
+
+        mesh_component.primitive_type = (PrimitiveType)(item_selected_idx);
+        switch (mesh_component.primitive_type) {
+            case OpenEngine::PrimitiveType::Quad:
+                {
+                    mesh_component.mesh = CreateQuad((uint32_t)entity);
+                    break;
+                }
+            case OpenEngine::PrimitiveType::Cube:
+                {
+                    mesh_component.mesh = CreateCube((uint32_t)entity);
+                    break;
+                }
+            default:
+                mesh_component.mesh = nullptr;
+                break;
+        }
+    }
+
+    void MaterialOnImGuiRender(entt::registry& registry, entt::entity entity)
+    {
+        auto& material = registry.get<MaterialComponent>(entity).material;
+
+        ImGui::SliderFloat4("Albedo", glm::value_ptr(material.albedo), 0, 1);
+        ImGui::SliderFloat("Roughness", &material.roughness, 0, 1);
+        ImGui::SliderFloat("Metallic", &material.metallic, 0, 1);
+        ImGui::SliderFloat("Ambient strength", &material.ambient_strength, 0, 1);
+        ImGui::SliderFloat("Specular strength", &material.specular_strength, 0, 10);
+    }
+
+    void BodyOnImGuiRender(entt::registry &registry, entt::entity entity)
+    {
+        auto& body_comp = registry.get<PhysicsBodyComponent>(entity);
+
+        const char* items[] = { "Static", "Kinematic", "Dynamic" };
+        int item_selected_idx = body_comp.type;
+
+        if (ImGui::BeginCombo("Body type", items[item_selected_idx])) {
+            for (int n = 0; n < 3; n++)
+            {
+                const bool is_selected = (item_selected_idx == n);
+                if (ImGui::Selectable(items[n], is_selected))
+                    item_selected_idx = n;
+
+                // Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
+                if (is_selected)
+                    ImGui::SetItemDefaultFocus();
+            }
+            ImGui::EndCombo();
+        }
+
+        body_comp.type = item_selected_idx;
+
+        ImGui::SliderFloat("Linear damping", &body_comp.linear_damping, 0, 1);
+        ImGui::SliderFloat("Angular damping", &body_comp.angular_damping, 0, 1);
+        ImGui::SliderFloat("Gravity factor", &body_comp.gravity_factor, 0, 1);
+        ImGui::SliderFloat("Bounciness", &body_comp.restitution, 0, 1);
+        ImGui::SliderFloat("Friction", &body_comp.friction, 0, 1);
+    }
+
+    void SphereShapeOnImGuiRender(entt::registry &registry, entt::entity entity)
+    {
+        auto& sphere_comp = registry.get<SphereShapeComponent>(entity);
+        
+        ImGui::DragFloat("Radius",
+                &sphere_comp.radius,
+                0.1f,
+                0.11f, FLT_MAX,
+                "%.2f",
+                ImGuiSliderFlags_AlwaysClamp);
+    }
+
+    void BoxShapeOnImGuiRender(entt::registry &registry, entt::entity entity)
+    {
+        auto& box_comp = registry.get<BoxShapeComponent>(entity);
+        
+        ImGui::DragFloat3("Size",
+                glm::value_ptr(box_comp.size),
+                0.1f,
+                0.11f, FLT_MAX,
+                "%.2f",
+                ImGuiSliderFlags_AlwaysClamp);
+    }
+
+    void PlaneShapeOnImGuiRender(entt::registry& registry, entt::entity entity)
+    {
+        auto& planed_comp = registry.get<PlaneShapeComponent>(entity);
+
+        ImGui::DragFloat("Size",
+                &planed_comp.extent,
+                0.1f,
+                0.01f, FLT_MAX,
+                "%.2f",
+                ImGuiSliderFlags_AlwaysClamp);
+    }
+
+    void ModelOnImGuiRender(entt::registry& registry, entt::entity entity)
+    {
+        auto& model_comp = registry.get<ModelComponent>(entity);
+
+        bool opened = ImGui::TreeNodeEx(
+                (void*)(intptr_t)entity,
+                ImGuiTreeNodeFlags_None,
+                "Meshes");
+
+        if (opened) {
+            unsigned int i = 0;
+            for (auto& mesh : model_comp.model->GetMeshes())
+                ImGui::Text("Mesh: %i", i++);
+
+
+            ImGui::PushStyleColor(ImGuiCol_ChildBg, {1, 1, 1, 1});
+            if (ImGui::BeginChild("Material list")) {
+                for (auto& mesh : model_comp.model->GetMeshes())
+                    ImGui::Text("Material: %s", mesh.material.name.c_str());
+                ImGui::EndChild();
+            }
+            ImGui::PopStyleColor();
+
+            ImGui::TreePop();
+        }
+    }
 }

editor/src/panels/content_browser.cpp

@@ -15,8 +15,9 @@ namespace OpenEngine {
     ContentBrowserPanel::ContentBrowserPanel()
         : current_directory(assets_directory)
     {
-        // TODO: Add file texture. Get free icons and add license
+        // TODO: Add license
-        folder_icon = Texture2D::Create("resources/textures/icons/folder.png");
+        folder_icon = Texture2D::Create("resources/textures/icons/folder2.png");
+        file_icon = Texture2D::Create("resources/textures/icons/file.png");
     }
 
     void ContentBrowserPanel::OnImGuiRender()
@@ -30,6 +31,16 @@ namespace OpenEngine {
                 current_directory = current_directory.parent_path();
 
         auto directory_it = std::filesystem::directory_iterator(current_directory);
+        std::vector<std::filesystem::directory_entry> entries;
+
+        for (auto entry : directory_it)
+            entries.emplace_back(entry);
+
+        std::sort(entries.begin(), entries.end(),
+                [](const std::filesystem::directory_entry& a,
+                    const std::filesystem::directory_entry& b) {
+                return (a.is_directory() && !b.is_directory());
+                });
 
         ImVec2 button_size = { 100, 100 };
         auto panel_width = ImGui::GetContentRegionAvail().x;
@@ -42,9 +53,12 @@ namespace OpenEngine {
 
         ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, padding);
 
+        float margin = 20.0f;
+        ImGui::Indent(margin);
+
         if (ImGui::BeginTable("table1", table_columns, ImGuiTableFlags_SizingFixedSame))
         {
-            for (auto& entry : directory_it) {
+            for (auto& entry : entries) {
                 auto file_name = entry.path().filename().string();
 
                 ImGui::PushID(file_name.c_str());
@@ -56,17 +70,14 @@ namespace OpenEngine {
                 ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.270f, 0.278f, 0.352f, 1.0f });
 
                 ImGui::BeginGroup();
-                ImGui::ImageButton("##X", (ImTextureID)folder_icon->GetID(), button_size, { 0, 1 }, { 1, 0 });
+                Ref<Texture2D> icon = entry.is_directory() ? folder_icon : file_icon;
+                ImGui::ImageButton("##X", (ImTextureID)icon->GetID(), button_size, { 0, 1 }, { 1, 0 });
                 if (entry.is_regular_file() && ImGui::BeginDragDropSource()) {
                     const char* source = entry.path().c_str();
                     ImGui::SetDragDropPayload("CONTENT_BROWSER_PAYLOAD", source, (strlen(source) + 1) * sizeof(char), ImGuiCond_Once);
 
                     ImGui::EndDragDropSource();
                 }
-
-                float columnWidth = ImGui::GetColumnWidth();
-                float textWidth = ImGui::CalcTextSize(file_name.c_str()).x;
-                ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (columnWidth - textWidth) * 0.5f);
                 ImGui::TextWrapped("%s", file_name.c_str());
 
                 ImGui::EndGroup();
@@ -81,6 +92,7 @@ namespace OpenEngine {
             }
             ImGui::EndTable();
         }
+        ImGui::Unindent();
         ImGui::PopStyleVar();
 
         ImGui::End();

editor/src/panels/scene_hierarchy.cpp

@@ -22,6 +22,13 @@ namespace OpenEngine {
         RegisterDrawer<TransformComponent>("Transform", &TransformOnImGuiRender);
         RegisterDrawer<SpriteRendererComponent>("Sprite Renderer", &SpriteOnImGuiRender);
         RegisterDrawer<CameraComponent>("Camera", &CameraOnImGuiRender);
+        RegisterDrawer<MeshComponent>("Mesh", &MeshOnImGuiRender);
+        RegisterDrawer<MaterialComponent>("Material", &MaterialOnImGuiRender);
+        RegisterDrawer<PhysicsBodyComponent>("Physics Body", &BodyOnImGuiRender);
+        RegisterDrawer<SphereShapeComponent>("Sphere Shape", &SphereShapeOnImGuiRender);
+        RegisterDrawer<BoxShapeComponent>("Box Shape", &BoxShapeOnImGuiRender);
+        RegisterDrawer<PlaneShapeComponent>("Plane Shape", &PlaneShapeOnImGuiRender);
+        RegisterDrawer<ModelComponent>("Model", &ModelOnImGuiRender);
 
         scene = context;
         selected_context = {};
@@ -32,17 +39,52 @@ namespace OpenEngine {
         ImGui::SeparatorText("Add");
         if (!selected_context.HasComponent<TransformComponent>())
             if (ImGui::MenuItem("Transform")) {
-                selected_context.AddComponents<TransformComponent>();
+                selected_context.AddComponent<TransformComponent>();
                 ImGui::CloseCurrentPopup();
             }
         if (!selected_context.HasComponent<SpriteRendererComponent>())
             if (ImGui::MenuItem("Sprite")) {
-                selected_context.AddComponents<SpriteRendererComponent>();
+                selected_context.AddComponent<SpriteRendererComponent>();
                 ImGui::CloseCurrentPopup();
             }
         if (!selected_context.HasComponent<CameraComponent>())
             if (ImGui::MenuItem("Camera")) {
-                selected_context.AddComponents<CameraComponent>();
+                selected_context.AddComponent<CameraComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<MeshComponent>())
+            if (ImGui::MenuItem("Mesh")) {
+                selected_context.AddComponent<MeshComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<MaterialComponent>())
+            if (ImGui::MenuItem("Material")) {
+                selected_context.AddComponent<MaterialComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<PhysicsBodyComponent>())
+            if (ImGui::MenuItem("Physics body")) {
+                selected_context.AddComponent<PhysicsBodyComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<SphereShapeComponent>())
+            if (ImGui::MenuItem("Sphere shape")) {
+                selected_context.AddComponent<SphereShapeComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<BoxShapeComponent>())
+            if (ImGui::MenuItem("Box shape")) {
+                selected_context.AddComponent<BoxShapeComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<PlaneShapeComponent>())
+            if (ImGui::MenuItem("Plane shape")) {
+                selected_context.AddComponent<PlaneShapeComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<ModelComponent>())
+            if (ImGui::MenuItem("Model")) {
+                selected_context.AddComponent<ModelComponent>();
                 ImGui::CloseCurrentPopup();
             }
     }
@@ -127,7 +169,6 @@ namespace OpenEngine {
     {
         auto& tag = entity.GetComponents<TagComponent>().tag;
 
-        bool entity_marked_deletion = false;
         if (renamed_entity == entity && selected_context == entity) {
             char buffer[255];
             std::memset(buffer, 0, sizeof(buffer));
@@ -155,8 +196,10 @@ namespace OpenEngine {
             bool opened = ImGui::TreeNodeEx((void*)(uint64_t)(uint32_t)entity, flags, "%s", tag.c_str());
 
             if (ImGui::BeginPopupContextItem()) {
-                if (ImGui::MenuItem("Delete entity"))
+                if (ImGui::MenuItem("Delete entity")) {
-                    entity_marked_deletion = true;
+                    scene->MarkEntityForDeletion(entity);
+                    selected_context = {};
+                }
                 ImGui::EndPopup();
             }
 
@@ -183,26 +226,22 @@ namespace OpenEngine {
             if (opened)
                 ImGui::TreePop();
         }
-
-        if (entity_marked_deletion) {
-            scene->DeleteEntity(entity);
-            if (selected_context == entity)
-                selected_context = {};
-        }
     }
 
     void SceneHierarchy::DrawComponents(Entity& entity)
     {
         auto& reg = scene->GetRegistry();
-        entt::entity handle = selected_context;
+        entt::entity handle = entity;
 
-        if (!selected_context || !entity)
+        if (!entity)
             return;
 
         entity.GetComponents<TagComponent>();
         TagOnImGuiRender(reg, entity);
 
-        std::vector<entt::id_type> component_to_delete; // 0 is null/invalid in entt usually
+        // TODO: Defer deletion like the entities?
+        std::vector<entt::id_type> pending_deletion; // 0 is null/invalid in entt usually
+
         // Iterate through every component type entt knows about
         for (auto [id, storage] : reg.storage()) {
             if (storage.contains(handle)) {
@@ -226,20 +265,24 @@ namespace OpenEngine {
 
                     if (ImGui::BeginPopup("component_settings")) {
                         if (ImGui::MenuItem("Remove component"))
-                            component_to_delete.emplace_back(id);
+                            pending_deletion.emplace_back(id);
 
                         ImGui::EndPopup();
                     }
 
                     if (opened) {
+                        ImGui::Spacing();
                         drawers[id].draw_func(reg, handle);
+                        ImGui::Spacing();
                         ImGui::TreePop();
                     }
                 }
             }
         }
 
-        for (auto& id : component_to_delete)
+        for (auto& id : pending_deletion) {
             drawers[id].remove_func(reg, entity);
+            pending_deletion.clear();
+        }
     }
 }

imgui.ini

@@ -10,7 +10,7 @@ Collapsed=0
 
 [Window][Statistics]
 Pos=0,24
-Size=224,437
+Size=409,437
 Collapsed=0
 DockId=0x00000003,0
 
@@ -21,8 +21,8 @@ Collapsed=0
 DockId=0x00000007,0
 
 [Window][Viewport]
-Pos=226,61
+Pos=411,61
-Size=594,956
+Size=409,956
 Collapsed=0
 DockId=0x00000012,0
 
@@ -34,7 +34,7 @@ DockId=0x00000008,0
 
 [Window][Scene]
 Pos=0,463
-Size=224,924
+Size=409,924
 Collapsed=0
 DockId=0x00000004,0
 
@@ -143,8 +143,8 @@ Collapsed=0
 DockId=0x00000012,1
 
 [Window][Assets]
-Pos=226,1019
+Pos=411,1019
-Size=594,368
+Size=409,368
 Collapsed=0
 DockId=0x0000000C,0
 
@@ -155,29 +155,29 @@ Collapsed=0
 DockId=0x0000000F,0
 
 [Window][##play_state_bar]
-Pos=226,24
+Pos=411,24
-Size=594,35
+Size=409,35
 Collapsed=0
 DockId=0x00000011,0
 
 [Docking][Data]
 DockSpace               ID=0x08BD597D Window=0x1BBC0F80 Pos=0,24 Size=1272,1363 Split=X
   DockNode              ID=0x00000005 Parent=0x08BD597D SizeRef=820,1386 Split=X
-    DockNode            ID=0x00000001 Parent=0x00000005 SizeRef=224,1386 Split=Y Selected=0xE601B12F
+    DockNode            ID=0x00000001 Parent=0x00000005 SizeRef=409,1386 Split=Y Selected=0xE601B12F
       DockNode          ID=0x00000003 Parent=0x00000001 SizeRef=255,417 Selected=0x553E127E
       DockNode          ID=0x00000004 Parent=0x00000001 SizeRef=255,883 Selected=0xE601B12F
-    DockNode            ID=0x00000002 Parent=0x00000005 SizeRef=594,1386 Split=Y Selected=0xC450F867
+    DockNode            ID=0x00000002 Parent=0x00000005 SizeRef=409,1386 Split=Y Selected=0xC450F867
       DockNode          ID=0x00000009 Parent=0x00000002 SizeRef=483,784 Split=Y Selected=0xC450F867
         DockNode        ID=0x0000000B Parent=0x00000009 SizeRef=409,932 Split=X Selected=0xC450F867
           DockNode      ID=0x0000000D Parent=0x0000000B SizeRef=1080,993 Split=Y Selected=0xC450F867
             DockNode    ID=0x0000000F Parent=0x0000000D SizeRef=594,60 Selected=0x8325EBDA
             DockNode    ID=0x00000010 Parent=0x0000000D SizeRef=594,931 Split=Y Selected=0xC450F867
               DockNode  ID=0x00000011 Parent=0x00000010 SizeRef=594,35 HiddenTabBar=1 Selected=0xAB37695D
-              DockNode  ID=0x00000012 Parent=0x00000010 SizeRef=594,956 CentralNode=1 Selected=0xC450F867
+              DockNode  ID=0x00000012 Parent=0x00000010 SizeRef=594,964 CentralNode=1 Selected=0xC450F867
           DockNode      ID=0x0000000E Parent=0x0000000B SizeRef=800,993 Selected=0x3EEA4247
         DockNode        ID=0x0000000C Parent=0x00000009 SizeRef=409,368 Selected=0x42C24103
       DockNode          ID=0x0000000A Parent=0x00000002 SizeRef=483,600 Selected=0x1BCA3180
   DockNode              ID=0x00000006 Parent=0x08BD597D SizeRef=450,1386 Split=Y Selected=0x8C72BEA8
-    DockNode            ID=0x00000007 Parent=0x00000006 SizeRef=444,769 Selected=0x8C72BEA8
+    DockNode            ID=0x00000007 Parent=0x00000006 SizeRef=444,805 Selected=0x8C72BEA8
-    DockNode            ID=0x00000008 Parent=0x00000006 SizeRef=444,531 Selected=0x5E5F7166
+    DockNode            ID=0x00000008 Parent=0x00000006 SizeRef=444,556 Selected=0x5E5F7166
 

open_engine/CMakeLists.txt

@@ -13,6 +13,8 @@ add_definitions( -DOE_ENABLE_ASSERTS )
 find_package(imgui REQUIRED)
 find_package(EnTT REQUIRED)
 find_package(yaml-cpp REQUIRED)
+find_package(Jolt REQUIRED)
+find_package(fastgltf REQUIRED)
 
 file(GLOB_RECURSE SRC_FILES "src/*.cpp")
 file(GLOB IMGUIZMO_SRC_FILES "${CMAKE_SOURCE_DIR}/vendor/ImGuizmo/*.cpp")
@@ -52,6 +54,17 @@ target_link_libraries(${PROJECT_EXECUTABLE_NAME} PUBLIC
     X11
     yaml-cpp::yaml-cpp
     nfd
+    shaderc_combined
+    glslang
+    glslang-default-resource-limits
+    SPIRV
+    SPIRV-Tools
+    SPIRV-Tools-opt
+    spirv-cross-core
+    spirv-cross-glsl
+    spirv-cross-reflect
+    Jolt::Jolt
+    fastgltf::fastgltf
 )
 
 #target_link_directories(${PROJECT_EXECUTABLE_NAME} PRIVATE
@@ -63,3 +76,5 @@ add_subdirectory(vendor/glad
 )
 
 add_subdirectory("vendor/nativefiledialog-extended")
+
+target_compile_options(open_engine PRIVATE -msse4.1 -msse4.2 -mavx -mavx2)

open_engine/include/open_engine.hpp

@@ -25,6 +25,7 @@
 #include "open_engine/renderer/subtexture2d.hpp"
 #include "open_engine/renderer/framebuffer.hpp"
 #include "open_engine/renderer/renderer2d.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
 #include "open_engine/renderer/renderer.hpp"
 #include "open_engine/renderer/texture.hpp"
 #include "open_engine/renderer/buffer.hpp"

open_engine/include/open_engine/core/uuid.hpp

@@ -0,0 +1,36 @@
+#ifndef UUID_HPP
+#define UUID_HPP
+
+#include <cstdint>
+
+namespace OpenEngine {
+
+    class UUID
+    {
+        public:
+            UUID();
+            UUID(uint64_t uuid);
+            UUID(const UUID&) = default;
+
+            operator uint64_t() const { return uuid; };
+
+        private:
+            uint64_t uuid;
+    };
+
+}
+
+namespace std {
+
+    template<>
+        struct hash<OpenEngine::UUID>
+        {
+            std::size_t operator()(const OpenEngine::UUID& uuid) const
+            {
+                return hash<uint64_t>()((uint64_t)uuid);
+            }
+        };
+
+}
+
+#endif // UUID_HPP

open_engine/include/open_engine/fastgltf.hpp

@@ -0,0 +1,13 @@
+#ifndef FASTGLTF_HPP
+#define FASTGLTF_HPP
+
+#include "renderer/renderer3d.hpp"
+#include "open_engine/ref_scope.hpp"
+
+namespace OpenEngine {
+
+    Ref<Mesh> TestGLTF();
+
+}
+
+#endif // FASTGLTF_HPP

open_engine/include/open_engine/gltf/gltf_model3d.hpp

@@ -0,0 +1,38 @@
+#ifndef GLTF_MODEL3D_HPP
+#define GLTF_MODEL3D_HPP
+
+#include "open_engine/renderer/model3d.hpp"
+
+#include <fastgltf/types.hpp>
+#include <vector>
+#include <cstddef>
+
+namespace OpenEngine {
+
+    class GLTFModel3D : public Model3D
+    {
+        public:
+            GLTFModel3D(const char* path);
+
+            void loadPrimitive(fastgltf::Asset& asset,
+                    fastgltf::Primitive& primitive,
+                    Mesh& out);
+            virtual const Mesh& GetMesh(int index) const override;
+            virtual const std::vector<Mesh>& GetMeshes() const override;
+
+            virtual size_t GetMeshCount() const override { return meshes.size(); };
+
+            virtual std::vector<Mesh>::iterator begin() override { return meshes.begin(); };
+            virtual std::vector<Mesh>::iterator end() override { return meshes.end(); };
+
+            virtual std::vector<Mesh>::const_iterator begin() const override { return meshes.cbegin(); };
+            virtual std::vector<Mesh>::const_iterator end() const override { return meshes.end(); };
+
+        private:
+            std::string name;
+            std::vector<Mesh> meshes;
+    };
+
+}
+
+#endif // GLTF_MODEL3D_HPP

open_engine/include/open_engine/imgui/imgui_layer.hpp

@@ -19,6 +19,7 @@ namespace OpenEngine {
             bool CloseWindow(OpenEngine::KeyPressedEvent& event);
 
             void SetBlockEvents(bool block) { block_events = block; };
+            bool GetBlockEvents() { return block_events; };
 
             void Begin();
             void End();

open_engine/include/open_engine/input/input_system.hpp

@@ -2,7 +2,6 @@
 #define INPUT_HPP
 
 #include "open_engine/input/mouse_codes.hpp"
-#include "open_engine/ref_scope.hpp"
 #include "open_engine/input/keycodes.hpp"
 
 #include <string>

open_engine/include/open_engine/opengl/opengl_buffer.hpp

@@ -29,13 +29,14 @@ namespace OpenEngine {
     class OpenGLIndexBuffer : public IndexBuffer
     {
         public:
-            OpenGLIndexBuffer(uint32_t* indices, uint32_t count);
+            OpenGLIndexBuffer(const uint32_t* indices, uint32_t count);
             virtual ~OpenGLIndexBuffer();
 
             virtual void Bind() const override;
             virtual void UnBind() const override;
 
             virtual uint32_t GetCount() const override { return count; };
+            virtual uint32_t GetID() const override { return id; };
 
         private:
             unsigned int id;

open_engine/include/open_engine/physics.hpp

@@ -0,0 +1,191 @@
+#ifndef PHYSICS_HPP
+#define PHYSICS_HPP
+
+#include "logging.hpp"
+
+#include <Jolt/Jolt.h>
+#include <Jolt/Physics/Body/BodyInterface.h>
+#include <Jolt/RegisterTypes.h>
+#include <Jolt/Core/Factory.h>
+#include <Jolt/Core/TempAllocator.h>
+#include <Jolt/Core/JobSystemThreadPool.h>
+#include <Jolt/Physics/PhysicsSettings.h>
+#include <Jolt/Physics/PhysicsSystem.h>
+#include <Jolt/Physics/Collision/Shape/BoxShape.h>
+#include <Jolt/Physics/Collision/Shape/SphereShape.h>
+#include <Jolt/Physics/Body/BodyCreationSettings.h>
+#include <Jolt/Physics/Body/BodyActivationListener.h>
+
+#include <cstdarg>
+#include <glm/glm.hpp>
+
+using namespace JPH;
+using namespace JPH::literals;
+
+// Callback for traces, connect this to your own trace function if you have one
+static void TraceImpl(const char *in_fmt, ...)
+{
+    // Format the message
+    va_list list;
+    va_start(list, in_fmt);
+    char buffer[1024];
+    vsnprintf(buffer, sizeof(buffer), in_fmt, list);
+    va_end(list);
+
+    OE_CORE_TRACE("Jolt: {}", buffer);
+}
+
+#ifdef JPH_ENABLE_ASSERTS
+// Callback for asserts, connect this to your own assert handler if you have one
+static bool AssertFailedImpl(const char *in_expression, const char *in_message, const char *in_file, uint in_line)
+{
+    OE_CORE_ERROR("Jolt: Assert in file: {}:{} :({}) {}", in_file, in_line, in_expression, (in_message != nullptr? in_message : ""));
+
+    // Breakpoint
+    return true;
+};
+#endif // JPH_ENABLE_ASSERTS
+
+// Layer that objects can be in, determines which other objects it can collide with
+// Typically you at least want to have 1 layer for moving bodies and 1 layer for static bodies, but you can have more
+// layers if you want. E.g. you could have a layer for high detail collision (which is not used by the physics simulation
+// but only if you do collision testing).
+namespace Layers {
+	static constexpr ObjectLayer NON_MOVING = 0;
+	static constexpr ObjectLayer MOVING = 1;
+	static constexpr ObjectLayer NUM_LAYERS = 2;
+};
+
+class ObjectLayerPairFilterImpl : public ObjectLayerPairFilter
+{
+    public:
+        virtual bool ShouldCollide(ObjectLayer object1, ObjectLayer object2) const override;
+};
+
+// Each broadphase layer results in a separate bounding volume tree in the broad phase. You at least want to have
+// a layer for non-moving and moving objects to avoid having to update a tree full of static objects every frame.
+// You can have a 1-on-1 mapping between object layers and broadphase layers (like in this case) but if you have
+// many object layers you'll be creating many broad phase trees, which is not efficient. If you want to fine tune
+// your broadphase layers define JPH_TRACK_BROADPHASE_STATS and look at the stats reported on the TTY.
+namespace BroadPhaseLayers
+{
+	static constexpr BroadPhaseLayer NON_MOVING(0);
+	static constexpr BroadPhaseLayer MOVING(1);
+	static constexpr uint NUM_LAYERS(2);
+};
+
+inline JPH::Vec3 ToJolt(const glm::vec3& v) { return JPH::Vec3(v.x, v.y, v.z); };
+
+class BPLayerInterfaceImpl final : public BroadPhaseLayerInterface
+{
+    public:
+        BPLayerInterfaceImpl()
+        {
+            object_to_broad_phase[Layers::NON_MOVING] = BroadPhaseLayers::NON_MOVING;
+            object_to_broad_phase[Layers::MOVING] = BroadPhaseLayers::MOVING;
+        }
+
+        virtual uint GetNumBroadPhaseLayers() const override { return BroadPhaseLayers::NUM_LAYERS; };
+
+        virtual BroadPhaseLayer GetBroadPhaseLayer(ObjectLayer layer) const override
+        {
+            JPH_ASSERT(layer < Layers::NUM_LAYERS);
+            return object_to_broad_phase[layer];
+        }
+
+    private:
+        BroadPhaseLayer	object_to_broad_phase[Layers::NUM_LAYERS];
+};
+
+class ObjectVsBroadPhaseLayerFilterImpl : public ObjectVsBroadPhaseLayerFilter
+{
+    public:
+        virtual bool ShouldCollide(ObjectLayer layer1, BroadPhaseLayer layer2) const override
+        {
+            switch (layer1)
+            {
+                case Layers::NON_MOVING:
+                    return layer2 == BroadPhaseLayers::MOVING;
+                case Layers::MOVING:
+                    return true;
+                default:
+                    JPH_ASSERT(false);
+                    return false;
+            }
+        }
+};
+
+// An example contact listener
+class MyContactListener : public ContactListener
+{
+public:
+	// See: ContactListener
+	virtual ValidateResult	OnContactValidate(const Body &inBody1, const Body &inBody2, RVec3Arg inBaseOffset, const CollideShapeResult &inCollisionResult) override
+	{
+		OE_CORE_TRACE("Jolt: Contact validate callback");
+
+		// Allows you to ignore a contact before it is created (using layers to not make objects collide is cheaper!)
+		return ValidateResult::AcceptAllContactsForThisBodyPair;
+	}
+
+	virtual void			OnContactAdded(const Body &inBody1, const Body &inBody2, const ContactManifold &inManifold, ContactSettings &ioSettings) override
+	{
+		OE_CORE_TRACE("Jolt: A contact was added");
+	}
+
+	virtual void			OnContactPersisted(const Body &inBody1, const Body &inBody2, const ContactManifold &inManifold, ContactSettings &ioSettings) override
+	{
+		OE_CORE_TRACE("Jolt: A contact was persisted");
+	}
+
+	virtual void			OnContactRemoved(const SubShapeIDPair &inSubShapePair) override
+	{
+		OE_CORE_TRACE("Jolt: A contact was removed");
+	}
+};
+
+// An example activation listener
+class MyBodyActivationListener : public BodyActivationListener
+{
+public:
+	virtual void		OnBodyActivated(const BodyID &inBodyID, uint64 inBodyUserData) override
+	{
+		OE_CORE_TRACE("Jolt: A body got activated");
+	}
+
+	virtual void		OnBodyDeactivated(const BodyID &inBodyID, uint64 inBodyUserData) override
+	{
+		OE_CORE_TRACE("Jolt: A body went to sleep");
+	}
+};
+
+namespace OpenEngine {
+
+    // Consider making this static like the renderer
+    class PhysicsEngine
+    {
+        public:
+            PhysicsEngine();
+            ~PhysicsEngine();
+
+            // TODO: Temp, make abstract function to create a body
+            BodyInterface& GetBodyInterface() { return physics_system.GetBodyInterface(); };
+            void Update( float delta_time, int collision_steps);
+
+        private:
+            PhysicsSystem physics_system;
+
+            Ref<TempAllocatorImpl> tmp_allocator;
+            Ref<JobSystemThreadPool> job_system;
+
+            MyBodyActivationListener body_activation_listener;
+            MyContactListener contact_listener;
+
+            BPLayerInterfaceImpl broad_phase_layer_interface;
+            ObjectVsBroadPhaseLayerFilterImpl object_vs_broadphase_layer_filter;
+            ObjectLayerPairFilterImpl object_vs_object_layer_filter;
+
+    };
+}
+
+#endif // PHYSICS_HPP

open_engine/include/open_engine/renderer/buffer.hpp

@@ -1,6 +1,8 @@
 #ifndef BUFFER_HPP
 #define BUFFER_HPP
 
+#include "open_engine/ref_scope.hpp"
+
 #include <cstdint>
 #include <vector>
 #include <string>
@@ -82,8 +84,9 @@ namespace OpenEngine {
             virtual void UnBind() const = 0;
 
             virtual uint32_t GetCount() const = 0;
+            virtual uint32_t GetID() const = 0;
 
-            static Ref<IndexBuffer> Create(uint32_t* indices, uint32_t count);
+            static Ref<IndexBuffer> Create(const uint32_t* indices, uint32_t count);
     };
 }
 

open_engine/include/open_engine/renderer/editor_camera.hpp

@@ -31,6 +31,7 @@ namespace OpenEngine {
 		glm::vec3 GetForwardDirection() const;
 		const glm::vec3& GetPosition() const { return position; }
 		glm::quat GetOrientation() const;
+        void ResetMousePosition();
 
 		float GetPitch() const { return pitch; }
 		float GetYaw() const { return yaw; }
@@ -61,6 +62,7 @@ namespace OpenEngine {
 		glm::vec3 focal_point = { 0.0f, 0.0f, 0.0f };
 
 		glm::vec2 initial_mouse_position = { 0.0f, 0.0f };
+        bool mouse_button_was_pressed = false;
 
 		float distance = 10.0f;
 		float pitch = 0.0f, yaw = 0.0f;

open_engine/include/open_engine/renderer/model3d.hpp

@@ -0,0 +1,69 @@
+#ifndef MODEL3D_HPP
+#define MODEL3D_HPP
+
+#include "open_engine/core/uuid.hpp"
+#include "open_engine/renderer/vertex_array.hpp"
+#include <cstddef>
+#include <cstdint>
+#include <glm/glm.hpp>
+#include <vector>
+
+namespace OpenEngine {
+
+    struct Material
+    {
+        glm::vec4 albedo = { 1.0f, 0.0f, 0.8f, 1.0f };
+        float roughness = 1.0f;
+        float metallic = 1.0f;
+        float ambient_strength = 1.0f;
+        float specular_strength = 1.0f;
+        std::string name = "un-named material";
+    };
+
+    struct MeshVertex
+    {
+        glm::vec3 position;
+        glm::vec3 normal;
+        glm::vec2 text_coords;
+    };
+
+    struct Mesh
+    {
+        UUID uuid;
+
+        Material material;
+
+        Ref<VertexArray> vertex_array;
+        Ref<VertexBuffer> vertex_buffer;
+        Ref<IndexBuffer> index_buffer;
+
+        // TODO: Make them a ptr or something
+        std::vector<MeshVertex> vertices;
+        std::vector<uint32_t> indices;
+    };
+
+    // TODO: Model3D.Instanciate();
+    // Or Model3D.GetVertices() {return iterateaccessorwithindex bla bla bla}
+    // What data should Model3D hold in the end if it is not a renderable object?
+    class Model3D
+    {
+        public:
+            virtual ~Model3D() = default;
+
+            static Ref<Model3D> Create(const char* path);
+
+            virtual const Mesh& GetMesh(int index) const = 0;
+            virtual const std::vector<Mesh>& GetMeshes() const = 0;
+
+            virtual size_t GetMeshCount() const = 0;
+
+            virtual std::vector<Mesh>::iterator begin() = 0;
+            virtual std::vector<Mesh>::iterator end() = 0;
+
+            virtual std::vector<Mesh>::const_iterator begin() const = 0;
+            virtual std::vector<Mesh>::const_iterator end() const = 0;
+    };
+
+}
+
+#endif // MODEL3D_HPP

open_engine/include/open_engine/renderer/renderer3d.hpp

@@ -0,0 +1,49 @@
+#ifndef RENDERER3D_HPP
+#define RENDERER3D_HPP
+
+#include "open_engine/renderer/editor_camera.hpp"
+#include "open_engine/scene/scene_camera.hpp"
+#include "open_engine/renderer/model3d.hpp"
+#include <cstdint>
+
+namespace OpenEngine {
+
+    // SHOULD BE MOVED ==================================
+
+    enum class PrimitiveType
+    {
+        None = 0,
+        Quad,
+        Cube
+    };
+
+    Ref<Mesh> CreateMesh(const std::vector<MeshVertex>& vertices,
+            const std::vector<uint32_t>& indices);
+    void PopulateMesh(Mesh& mesh);
+    Ref<Mesh> CreateCube(uint32_t id = -1);
+    Ref<Mesh> CreateQuad(uint32_t id = -1, bool back_face = false);
+
+    // ==================================================
+
+    class Renderer3D
+    {
+        public:
+            static void Init();
+            static void Shutdown();
+
+            static void BeginScene(const SceneCamera& camera, const glm::mat4& transform);
+            static void BeginScene(const EditorCamera& camera);
+            static void EndScene();
+
+            static void DrawMesh(const Ref<Mesh>& mesh, Material& material,
+                    const glm::mat4& transform);
+            static void DrawMesh(const Ref<Mesh>& mesh, Material& material,
+                    const glm::mat4& transform,
+                    uint32_t entity_id);
+            static void DrawModel(const Ref<Model3D>& model,
+                    const glm::mat4& transform,
+                    uint32_t entity_id);
+    };
+}
+
+#endif // RENDERER3D_HPP

open_engine/include/open_engine/renderer/uniform_buffer.cpp

@@ -1,21 +0,0 @@
-#include <pch.hpp>
-
-#include <renderer/uniform_buffer.hpp>
-#include <opengl/opengl_uniform_buffer.hpp>
-#include <renderer/renderer.hpp>
-
-namespace OpenEngine {
-
-    Ref<UniformBuffer> UniformBuffer::Create(uint32_t size, uint32_t binding)
-    {
-        switch (Renderer::GetAPI())
-        {
-            case RendererAPI::API::None:    OE_CORE_ASSERT(false, "RendererAPI::None is currently not supported!"); return nullptr;
-            case RendererAPI::API::OpenGL:  return CreateRef<OpenGLUniformBuffer>(size, binding);
-        }
-
-        OE_CORE_ASSERT(false, "Unknown RendererAPI!");
-        return nullptr;
-    }
-
-}

open_engine/include/open_engine/renderer/uniform_buffer.hpp

@@ -8,7 +8,7 @@ namespace OpenEngine {
     class UniformBuffer
     {
         public:
-            virtual ~UniformBuffer() {}
+            virtual ~UniformBuffer() = default;
             virtual void SetData(const void* data, uint32_t size,
                     uint32_t offset = 0) = 0;
 

open_engine/include/open_engine/renderer/vertex_array.hpp

@@ -2,6 +2,7 @@
 #define VERTEX_ARRAY_HPP
 
 #include "open_engine/renderer/buffer.hpp"
+#include "open_engine/ref_scope.hpp"
 
 #include <vector>
 

open_engine/include/open_engine/scene/components.hpp

@@ -1,10 +1,21 @@
 #ifndef COMPONENTS_HPP
 #define COMPONENTS_HPP
 
-#include "open_engine/scene/native_scriptable_entity.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
 #include "open_engine/scene/scene_camera.hpp"
 #include "open_engine/renderer/texture.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
+#include "open_engine/physics.hpp"
+#include "open_engine/core/uuid.hpp"
+#include "open_engine/ref_scope.hpp"
+#include "open_engine/renderer/model3d.hpp"
 
+#include <Jolt/Physics/Body/BodyCreationSettings.h>
+#include <Jolt/Physics/Body/BodyInterface.h>
+#include <Jolt/Physics/Body/MotionType.h>
+#include <Jolt/Physics/Collision/ObjectLayer.h>
+#include <Jolt/Physics/Collision/Shape/Shape.h>
+#include <Jolt/Physics/EActivation.h>
 #include <glm/ext/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 #include <glm/fwd.hpp>
@@ -19,6 +30,15 @@
 
 namespace OpenEngine {
 
+    struct IDComponent
+    {
+        UUID id;
+
+        IDComponent() = default;
+        IDComponent(const IDComponent&) = default;
+        IDComponent(const UUID& uuid) : id(uuid) {};
+    };
+
     struct TagComponent
     {
         std::string tag;
@@ -65,6 +85,8 @@ namespace OpenEngine {
         CameraComponent(const CameraComponent&) = default;
     };
 
+    class NativeScriptableEntity;
+
     struct NativeScriptComponent 
     {
         NativeScriptableEntity* instance = nullptr;
@@ -72,9 +94,6 @@ namespace OpenEngine {
         NativeScriptableEntity* (*InstanciateScript)();
         void (*DestroyInstanceScript)(NativeScriptComponent*);
 
-        void OnImGuiRender(Entity& entity) 
-        {};
-
         template <typename T>
             void Bind()
             {
@@ -84,9 +103,83 @@ namespace OpenEngine {
                     (delete nsc->instance);
                     nsc->instance = nullptr;
                 };
-            }
+            };
     };
 
+    struct MeshComponent
+    {
+        Ref<Mesh> mesh;
+        PrimitiveType primitive_type = PrimitiveType::None;
+        
+        MeshComponent() = default;
+        MeshComponent(const MeshComponent&) = default;
+        MeshComponent(const Ref<Mesh>& mesh)
+            : mesh(mesh) {};
+    };
+
+    struct MaterialComponent
+    {
+        Material material;
+
+        MaterialComponent() = default;
+        MaterialComponent(const MaterialComponent&) = default;
+        MaterialComponent(const Material& material)
+            : material(material) {};
+    };
+
+    struct PhysicsBodyComponent
+    {
+        BodyID body;
+
+        float linear_damping = 0.05f;
+        float angular_damping = 0.05f;
+        float gravity_factor = 1.0f;
+        float restitution = 0.8f;
+        float friction = 0.5f;
+
+        int type = (int)EMotionType::Static;
+        int initial_activation_state = (int)EActivation::Activate;
+        int layer = (int)Layers::MOVING;
+
+        PhysicsBodyComponent() = default;
+        PhysicsBodyComponent(const PhysicsBodyComponent&) = default;
+    };
+
+    // TODO: Let's add more shapes
+    struct BoxShapeComponent
+    {
+        glm::vec3 size = { 1.0f, 1.0f, 1.0f };
+
+        BoxShapeComponent() = default;
+        BoxShapeComponent(const BoxShapeComponent&) = default;
+    };
+
+    struct SphereShapeComponent
+    {
+        float radius = 1.0f;
+
+        SphereShapeComponent() = default;
+        SphereShapeComponent(const SphereShapeComponent&) = default;
+    };
+
+    struct PlaneShapeComponent
+    {
+        float extent = 1.0f;
+
+        PlaneShapeComponent() = default;
+        PlaneShapeComponent(const PlaneShapeComponent&) = default;
+    };
+
+    struct ModelComponent
+    {
+        Ref<Model3D> model;
+
+        ModelComponent() = default;
+        ModelComponent(const ModelComponent&) = default;
+        ModelComponent(Ref<Model3D>& model)
+            : model(model)
+        {}
+    };
 }
 
 #endif // COMPONENTS_HPP

open_engine/include/open_engine/scene/entity.hpp

@@ -3,6 +3,8 @@
 
 #include "open_engine/core.hpp"
 
+#include "open_engine/core/uuid.hpp"
+#include "open_engine/scene/components.hpp"
 #include "open_engine/scene/scene.hpp"
 
 #include <cstdint>
@@ -19,7 +21,7 @@ namespace OpenEngine {
             Entity(const Entity& other) = default;
 
             template<typename T, typename ... Args>
-                T& AddComponents(Args&&... args)
+                T& AddComponent(Args&&... args)
                 {
                     OE_ASSERT(!HasComponent<T>(), "Entity already has component.");
 
@@ -48,6 +50,8 @@ namespace OpenEngine {
                     return scene->registry.all_of<T>(handle);
                 };
 
+            UUID GetUUID() { return GetComponents<IDComponent>().id; };
+
             operator bool() const { return handle != entt::null; };
             operator entt::entity() const { return handle; };
             operator uint32_t() const { return (uint32_t)handle; };

open_engine/include/open_engine/scene/native_scriptable_entity.hpp

@@ -1,6 +1,7 @@
 #ifndef NATIVE_SCRIPTABLE_ENTITY_HPP
 #define NATIVE_SCRIPTABLE_ENTITY_HPP
 
+#include "open_engine/scene/native_scriptable_entity.hpp"
 #include "open_engine/scene/entity.hpp"
 
 namespace OpenEngine {

open_engine/include/open_engine/scene/scene.hpp

@@ -1,8 +1,12 @@
 #ifndef SCENE_HPP
 #define SCENE_HPP
 
+#include "open_engine/core/uuid.hpp"
 #include "open_engine/renderer/editor_camera.hpp"
+#include "open_engine/physics.hpp"
 
+#include <Jolt/Physics/Body/BodyInterface.h>
+#include <entt/entity/fwd.hpp>
 #include <entt/entt.hpp>
 #include <cstdint>
 
@@ -13,29 +17,44 @@ namespace OpenEngine {
     class Scene
     {
         public:
-            Scene() {};
+            Scene() = default;
             ~Scene() = default;
+            Scene(Scene& other) {};
+
+            void OnRuntimeStart();
+            void OnRuntimeStop();
 
             Entity CreateEntity(const std::string& name = std::string());
-            void DeleteEntity(Entity entity);
+            Entity CreateEntityWithUUID(UUID uuid, const std::string& name = std::string());
+            void DeleteEntity(entt::entity entity);
+            void MarkEntityForDeletion(Entity entity);
+
+            void UpdateEntities();
 
             void OnUpdateRuntime();
             void OnUpdateEditor(EditorCamera& camera);
             void OnViewportResize(uint32_t width, uint32_t height);
 
             entt::registry& GetRegistry() { return registry; };
-
+            PhysicsEngine& GetPhysicsEngine() { return physics_engine; };
             Entity GetPrimaryCamera();
 
         private:
+            void OnUpdatePhysics();
+
             template<typename T>
                 void OnComponentAdded(Entity entity, T& component);
 
         private:
             entt::registry registry;
+            PhysicsEngine physics_engine;
+
+            BodyInterface* body_interface;
 
             uint32_t viewport_width = 0, viewport_height = 0;
 
+            std::vector<entt::entity> pending_deletion;
+
             friend class SceneSerializer;
             friend class Entity;
     };

open_engine/src/open_engine/application.cpp

@@ -4,6 +4,7 @@
 
 #include <core.hpp>
 #include <events/application_event.hpp>
+#include <renderer/renderer3d.hpp>
 #include <renderer/renderer2d.hpp>
 #include <input/input_system.hpp>
 #include <imgui/imgui_layer.hpp>
@@ -28,7 +29,8 @@ namespace OpenEngine {
         {
             OE_PROFILE_SCOPE("Initializing Renderers");
             Renderer::Init();
-            Renderer2D::Init();
+            //Renderer2D::Init();
+            Renderer3D::Init();
         }
 
         imgui_layer = std::make_shared<ImGuiLayer>();
@@ -39,7 +41,8 @@ namespace OpenEngine {
 
     Application::~Application()
     {
-        OpenEngine::Renderer2D::Shutdown();
+        //OpenEngine::Renderer2D::Shutdown();
+        Renderer3D::Shutdown();
     }
 
     void Application::Run()

open_engine/src/open_engine/core/uuid.cpp

@@ -0,0 +1,24 @@
+#include <cstdint>
+#include <pch.hpp>
+
+#include <core/uuid.hpp>
+
+#include <random>
+
+namespace OpenEngine {
+
+    static std::random_device s_random_device;
+    static std::mt19937_64 s_engine(s_random_device());
+    static std::uniform_int_distribution<uint64_t> s_uniform_distribution;
+
+    UUID::UUID()
+        : uuid(s_uniform_distribution(s_engine))
+    {
+    }
+
+    UUID::UUID(uint64_t uuid)
+        : uuid(uuid)
+    {
+    }
+
+}

open_engine/src/open_engine/fastgltf.cpp

@@ -0,0 +1,86 @@
+#include <pch.hpp>
+
+#include "logging.hpp"
+#include <fastgltf.hpp>
+#include "ref_scope.hpp"
+
+#include <cstddef>
+#include <cstdint>
+#include <glm/fwd.hpp>
+#include <fastgltf/core.hpp>
+#include <fastgltf/types.hpp>
+#include <fastgltf/tools.hpp>
+#include <fastgltf/glm_element_traits.hpp>
+
+#include <vector>
+
+namespace OpenEngine {
+
+    void loadPrimitive(fastgltf::Asset& asset,
+            fastgltf::Primitive& primitive,
+            Mesh& out)
+    {
+        if (primitive.indicesAccessor.has_value()) {
+            auto& accessor = asset.accessors[primitive.indicesAccessor.value()];
+            out.indices.resize(accessor.count);
+
+            fastgltf::iterateAccessorWithIndex<uint32_t>(asset, accessor,
+                    [&](uint32_t index, size_t i) {
+                        out.indices[i] = index;
+                    });
+        }
+
+        {
+            auto* position_iterator = primitive.findAttribute("POSITION");
+            auto& accessor = asset.accessors[position_iterator->accessorIndex];
+            out.vertices.resize(accessor.count);
+            
+            fastgltf::iterateAccessorWithIndex<glm::vec3>(asset, accessor,
+                    [&](glm::vec3 pos, size_t i) {
+                        out.vertices[i].position = pos;
+                    });
+        }
+
+        if (auto* normal_iterator = primitive.findAttribute("NORMAL");
+                normal_iterator != primitive.attributes.end()) {
+            auto& accessor = asset.accessors[normal_iterator->accessorIndex];
+
+            fastgltf::iterateAccessorWithIndex<glm::vec3>(asset, accessor,
+                    [&](glm::vec3 norm, size_t i) {
+                        out.vertices[i].normal = norm;
+                    });
+        }
+
+        {
+            if (primitive.materialIndex.has_value()) {
+                auto& material = asset.materials[primitive.materialIndex.value()];
+                auto& pbr = material.pbrData;
+
+                auto& c = pbr.baseColorFactor;
+            }
+        }
+    }
+
+    Ref<Mesh> TestGLTF()
+    {
+        fastgltf::Parser parser;
+        Ref<Mesh> new_mesh = CreateRef<Mesh>();
+
+        auto data = fastgltf::GltfDataBuffer::FromPath("assets/models/cube.glb");
+        if (data.error() != fastgltf::Error::None)
+            OE_CORE_ERROR("Could not parse model");
+
+        auto asset = parser.loadGltfBinary(data.get(), ".",
+                fastgltf::Options::LoadExternalBuffers
+                );
+        if (asset.error() != fastgltf::Error::None)
+            OE_CORE_ERROR("Could not optain asset");
+
+        for (auto& mesh : asset->meshes)
+            for (auto& primitive : mesh.primitives)
+                loadPrimitive(asset.get(), primitive, *new_mesh);
+
+        return new_mesh;
+    }
+
+}

open_engine/src/open_engine/gltf/gltf_model3d.cpp

@@ -0,0 +1,137 @@
+#include "logging.hpp"
+#include <pch.hpp>
+
+#include <gltf/gltf_model3d.hpp>
+
+#include <fastgltf/core.hpp>
+#include <fastgltf/types.hpp>
+#include <fastgltf/tools.hpp>
+#include <fastgltf/glm_element_traits.hpp>
+
+namespace OpenEngine {
+
+    void PopulateMesh(Mesh& mesh)
+    {
+        mesh.vertex_array = VertexArray::Create();
+
+        mesh.vertex_buffer = VertexBuffer::Create(mesh.vertices.size() * sizeof(MeshVertex));
+        mesh.vertex_buffer->SetData(mesh.vertices.data(), mesh.vertices.size() * sizeof(MeshVertex));
+
+        BufferLayout layout = {
+            { ShaderDataType::Float3, "a_Position" },
+            { ShaderDataType::Float3, "a_Normal" },
+            { ShaderDataType::Float2, "a_TexCoord" }
+        };
+
+        mesh.vertex_buffer->SetLayout(layout);
+        mesh.vertex_array->AddVertexBuffer(mesh.vertex_buffer);
+
+        mesh.index_buffer = IndexBuffer::Create(mesh.indices.data(), mesh.indices.size());
+        mesh.vertex_array->SetIndexBuffer(mesh.index_buffer);
+    }
+
+    Ref<Mesh> CreateMesh(const std::vector<MeshVertex>& vertices,
+            const std::vector<uint32_t>& indices)
+    {
+        Ref<Mesh> mesh = CreateRef<Mesh>();
+
+        mesh->vertices = vertices;
+        mesh->indices = indices;
+
+        PopulateMesh(*mesh);
+
+        return mesh;
+    }
+
+    void GLTFModel3D::loadPrimitive(fastgltf::Asset& asset,
+            fastgltf::Primitive& primitive,
+            Mesh& out)
+    {
+        if (primitive.indicesAccessor.has_value()) {
+            auto& accessor = asset.accessors[primitive.indicesAccessor.value()];
+            out.indices.resize(accessor.count);
+
+            fastgltf::iterateAccessorWithIndex<uint32_t>(asset, accessor,
+                    [&](uint32_t index, size_t i) {
+                    out.indices[i] = index;
+                    });
+        }
+
+        {
+            auto* position_iterator = primitive.findAttribute("POSITION");
+            auto& accessor = asset.accessors[position_iterator->accessorIndex];
+            out.vertices.resize(accessor.count);
+
+            fastgltf::iterateAccessorWithIndex<glm::vec3>(asset, accessor,
+                    [&](glm::vec3 pos, size_t i) {
+                    out.vertices[i].position = pos;
+                    });
+        }
+
+        if (auto* normal_iterator = primitive.findAttribute("NORMAL");
+                normal_iterator != primitive.attributes.end()) {
+            auto& accessor = asset.accessors[normal_iterator->accessorIndex];
+
+            fastgltf::iterateAccessorWithIndex<glm::vec3>(asset, accessor,
+                    [&](glm::vec3 norm, size_t i) {
+                    out.vertices[i].normal = norm;
+                    });
+        }
+
+        {
+            if (primitive.materialIndex.has_value()) {
+                auto& material = asset.materials[primitive.materialIndex.value()];
+                auto& pbr = material.pbrData;
+
+                auto& color = pbr.baseColorFactor;
+                auto& roughness = pbr.roughnessFactor;
+                auto& metallic = pbr.metallicFactor;
+
+                out.material.name = material.name;
+                out.material.albedo = glm::vec4(color[0], color[1], color[2], color[3]);
+                out.material.roughness = roughness;
+                out.material.metallic = metallic;
+            }
+        }
+    }
+
+    GLTFModel3D::GLTFModel3D(const char* path)
+    {
+        fastgltf::Parser parser;
+
+        auto data = fastgltf::GltfDataBuffer::FromPath(path);
+        if (data.error() != fastgltf::Error::None)
+            OE_CORE_ERROR("Could not parse model");
+
+        auto asset = parser.loadGltfBinary(data.get(), ".",
+                fastgltf::Options::LoadExternalBuffers
+                );
+        if (asset.error() != fastgltf::Error::None)
+            OE_CORE_ERROR("Could not optain asset");
+
+
+        for (auto& mesh : asset->meshes) {
+            name = mesh.name;
+
+            for (auto& primitive : mesh.primitives) {
+                Mesh prim_mesh;
+
+                loadPrimitive(asset.get(), primitive, prim_mesh);
+                PopulateMesh(prim_mesh);
+
+                meshes.emplace_back(prim_mesh);
+            }
+        }
+    };
+
+    const Mesh& GLTFModel3D::GetMesh(int index) const
+    {
+        return meshes[index];
+    }
+
+    const std::vector<Mesh>& GLTFModel3D::GetMeshes() const
+    {
+        return meshes;
+    }
+
+}

open_engine/src/open_engine/opengl/opengl_buffer.cpp

@@ -52,7 +52,7 @@ namespace OpenEngine {
     // Index Buffer =====================================================
     // ==================================================================
 
-    OpenGLIndexBuffer::OpenGLIndexBuffer(uint32_t* indices, uint32_t count)
+    OpenGLIndexBuffer::OpenGLIndexBuffer(const uint32_t* indices, uint32_t count)
         : count(count)
     {
         OE_PROFILE_FUNCTION();
@@ -68,7 +68,7 @@ namespace OpenEngine {
 
     void OpenGLIndexBuffer::Bind() const
     {
-        glBindBuffer(GL_ARRAY_BUFFER, id);
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
     }
     void OpenGLIndexBuffer::UnBind() const
     {

open_engine/src/open_engine/opengl/opengl_renderer_api.cpp

@@ -45,6 +45,7 @@ namespace OpenEngine {
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
         glEnable(GL_DEPTH_TEST);
+        glDepthFunc(GL_LESS);
     }
 
     void OpenGLRendererAPI::SetViewport(uint32_t x, uint32_t y, uint32_t width, uint32_t height)
@@ -66,6 +67,9 @@ namespace OpenEngine {
     {
         OE_PROFILE_FUNCTION();
 
+        OE_CORE_ASSERT(vertex_array, "VertexArray is null!");
+        OE_CORE_ASSERT(vertex_array->GetIndexBuffer(), "IndexBuffer is null!");
+
         uint32_t count = index_count? index_count : vertex_array->GetIndexBuffer()->GetCount();
         glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, nullptr);
         glBindTexture(GL_TEXTURE_2D, 0);

open_engine/src/open_engine/physics.cpp

@@ -0,0 +1,73 @@
+#include <pch.hpp>
+
+#include <ref_scope.hpp>
+#include <physics.hpp>
+
+#include <Jolt/Physics/Body/BodyInterface.h>
+#include <Jolt/Core/JobSystemThreadPool.h>
+#include <Jolt/Core/Memory.h>
+#include <Jolt/Physics/PhysicsSystem.h>
+#include <Jolt/Physics/PhysicsUpdateContext.h>
+
+bool ObjectLayerPairFilterImpl::ShouldCollide(ObjectLayer object1, ObjectLayer object2) const
+{
+    switch (object1)
+    {
+        case Layers::NON_MOVING:
+            return object2 == Layers::MOVING; // Non moving only collides with moving
+        case Layers::MOVING:
+            return true; // Moving collides with everything
+        default:
+            JPH_ASSERT(false);
+            return false;
+    }
+}
+
+namespace OpenEngine {
+
+    PhysicsEngine::PhysicsEngine()
+    {
+        RegisterDefaultAllocator();
+
+        Trace = TraceImpl;
+        JPH_IF_ENABLE_ASSERTS(AssertFailed = AssertFailedImpl);
+
+        Factory::sInstance = new Factory();
+
+        RegisterTypes();
+
+        tmp_allocator = CreateRef<TempAllocatorImpl>(10 * 1024 * 1024);
+
+        job_system = CreateRef<JobSystemThreadPool>(cMaxPhysicsJobs,
+                cMaxPhysicsBarriers,
+                thread::hardware_concurrency() - 1);
+
+        physics_system.Init(
+                1024,
+                0,
+                1024,
+                1024,
+                broad_phase_layer_interface,
+                object_vs_broadphase_layer_filter,
+                object_vs_object_layer_filter);
+
+        //physics_system.SetBodyActivationListener(&body_activation_listener);
+        //physics_system.SetContactListener(&contact_listener);
+
+        // TODO: Check the comment on Jolt's example
+        physics_system.OptimizeBroadPhase();
+    }
+
+    PhysicsEngine::~PhysicsEngine() {
+        UnregisterTypes();
+
+        // Destroy the factory
+        delete Factory::sInstance;
+        Factory::sInstance = nullptr;
+    };
+
+    void PhysicsEngine::Update(float delta_time, int collision_steps)
+    {
+        physics_system.Update(delta_time, collision_steps, &*tmp_allocator, &*job_system);
+    }
+}

open_engine/src/open_engine/renderer/buffer.cpp

@@ -91,7 +91,7 @@ namespace OpenEngine {
         return nullptr;
     }
 
-    Ref<IndexBuffer> IndexBuffer::Create(uint32_t* indices, uint32_t count)
+    Ref<IndexBuffer> IndexBuffer::Create(const uint32_t* indices, uint32_t count)
     {
         OE_PROFILE_FUNCTION();
 

open_engine/src/open_engine/renderer/editor_camera.cpp

@@ -1,4 +1,3 @@
-#include "logging.hpp"
 #include <pch.hpp>
 
 #include <renderer/editor_camera.hpp>
@@ -63,6 +62,7 @@ namespace OpenEngine {
 
 	void EditorCamera::OnUpdate()
 	{
+
 		if (Input::IsKeyPressed(Key::LeftAlt)) {
             const glm::vec2& mouse{ Input::GetMouseX(), Input::GetMouseY() };
             glm::vec2 delta = (mouse - initial_mouse_position) * 0.003f;
@@ -151,4 +151,10 @@ namespace OpenEngine {
 		return glm::quat(glm::vec3(-pitch, -yaw, 0.0f));
 	}
 
+    void EditorCamera::ResetMousePosition()
+    {
+        initial_mouse_position = { Input::GetMouseX(), Input::GetMouseY() };
+        mouse_button_was_pressed = false;
+    }
+
 }

open_engine/src/open_engine/renderer/model3d.cpp

@@ -0,0 +1,19 @@
+#include <pch.hpp>
+
+#include <renderer/model3d.hpp>
+
+#include <gltf/gltf_model3d.hpp>
+#include <instrumentor.hpp>
+#include <ref_scope.hpp>
+
+
+namespace OpenEngine {
+
+    Ref<Model3D> Model3D::Create(const char* path)
+    {
+        OE_PROFILE_FUNCTION();
+
+        return CreateRef<GLTFModel3D>(path);
+    }
+
+}

open_engine/src/open_engine/renderer/renderer2d.cpp

@@ -1,7 +1,7 @@
-#include "renderer/editor_camera.hpp"
-#include "renderer/uniform_buffer.hpp"
 #include <pch.hpp>
 
+#include "renderer/editor_camera.hpp"
+#include "renderer/uniform_buffer.hpp"
 #include <renderer/render_command.hpp>
 #include <renderer/vertex_array.hpp>
 #include <renderer/renderer2d.hpp>
@@ -121,6 +121,8 @@ namespace OpenEngine {
 
     void Renderer2D::Shutdown()
     {
+        OE_PROFILE_FUNCTION();
+
         renderer_data.white_texture.reset();
         renderer_data.vertex_array.reset();
         renderer_data.vertex_buffer.reset();
@@ -130,8 +132,6 @@ namespace OpenEngine {
 
         for (uint32_t i = 0; i < renderer_data.texture_slot_index; i++)
             renderer_data.texture_slots[i].reset();
-
-        OE_PROFILE_FUNCTION();
     }
 
     void Renderer2D::BeginScene(const OrthographicCamera& camera)

open_engine/src/open_engine/renderer/renderer3d.cpp

@@ -0,0 +1,277 @@
+#include "logging.hpp"
+#include "scene/scene_camera.hpp"
+#include <pch.hpp>
+
+#include <renderer/render_command.hpp>
+#include <renderer/uniform_buffer.hpp>
+#include <renderer/editor_camera.hpp>
+#include <renderer/vertex_array.hpp>
+#include <renderer/renderer3d.hpp>
+#include <renderer/shader.hpp>
+#include <renderer/buffer.hpp>
+#include <instrumentor.hpp>
+#include <ref_scope.hpp>
+
+#include <glm/ext/quaternion_common.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/trigonometric.hpp>
+#include <glm/fwd.hpp>
+#include <cstdint>
+
+#include <glad/glad.h>
+
+namespace OpenEngine {
+
+    // SHOULD BE MOVED ==================================
+
+    Ref<Mesh> CreateQuad(uint32_t id, bool back_face)
+    {
+        OE_PROFILE_FUNCTION();
+        OE_CORE_DEBUG("Creating quad with id {}.", id);
+
+        std::vector<MeshVertex> vertices;
+        std::vector<uint32_t> indices;
+        if (back_face) {
+            vertices = {
+                // Front face (normal 0, 0, 1)
+                {{-0.5f, -0.5f,  0.0f}, {0,0,1}, {0,0}},
+                {{-0.5f,  0.5f,  0.0f}, {0,0,1}, {0,1}},
+                {{ 0.5f,  0.5f,  0.0f}, {0,0,1}, {1,1}},
+                {{ 0.5f, -0.5f,  0.0f}, {0,0,1}, {1,0}},
+
+                // Back face (normal 0, 0, -1)
+                {{-0.5f, -0.5f, -0.0f}, {0,0,-1}, {0,0}},
+                {{-0.5f,  0.5f, -0.0f}, {0,0,-1}, {0,1}},
+                {{ 0.5f,  0.5f, -0.0f}, {0,0,-1}, {1,1}},
+                {{ 0.5f, -0.5f, -0.0f}, {0,0,-1}, {1,0}}
+            };
+
+            indices = {
+                // Front face (z=0.5)
+                0, 2, 1, 0, 3, 2,
+                // Back face (z=-0.5)
+                4, 5, 6,  4, 6, 7
+            };
+        } else {
+            vertices = {
+                // Front face (normal 0, 0, 1)
+                {{-0.5f, -0.5f,  0.0f}, {0,0,1}, {0,0}},
+                {{-0.5f,  0.5f,  0.0f}, {0,0,1}, {0,1}},
+                {{ 0.5f,  0.5f,  0.0f}, {0,0,1}, {1,1}},
+                {{ 0.5f, -0.5f,  0.0f}, {0,0,1}, {1,0}}
+            };
+
+            indices = {
+                // Front face (z=0.5)
+                0, 2, 1, 0, 3, 2
+            };
+        }
+
+        return CreateMesh(vertices, indices);
+    }
+
+    Ref<Mesh> CreateCube(uint32_t id)
+    {
+        OE_PROFILE_FUNCTION();
+        OE_CORE_DEBUG("Creating cube with id {}.", id);
+        std::vector<MeshVertex> vertices = {
+            // Front face (normal 0, 0, 1)
+            {{-0.5f, -0.5f,  0.5f}, {0,0,1}, {0,0}},
+            {{-0.5f,  0.5f,  0.5f}, {0,0,1}, {0,1}},
+            {{ 0.5f,  0.5f,  0.5f}, {0,0,1}, {1,1}},
+            {{ 0.5f, -0.5f,  0.5f}, {0,0,1}, {1,0}},
+
+            // Back face (normal 0, 0, -1)
+            {{-0.5f, -0.5f, -0.5f}, {0,0,-1}, {0,0}},
+            {{-0.5f,  0.5f, -0.5f}, {0,0,-1}, {0,1}},
+            {{ 0.5f,  0.5f, -0.5f}, {0,0,-1}, {1,1}},
+            {{ 0.5f, -0.5f, -0.5f}, {0,0,-1}, {1,0}},
+
+            // Left face (normal -1, 0, 0)
+            {{-0.5f, -0.5f, -0.5f}, {-1,0,0}, {0,0}},
+            {{-0.5f,  0.5f, -0.5f}, {-1,0,0}, {0,1}},
+            {{-0.5f,  0.5f,  0.5f}, {-1,0,0}, {1,1}},
+            {{-0.5f, -0.5f,  0.5f}, {-1,0,0}, {1,0}},
+
+            // Right face (normal 1, 0, 0)
+            {{ 0.5f, -0.5f, -0.5f}, {1,0,0}, {0,0}},
+            {{ 0.5f,  0.5f, -0.5f}, {1,0,0}, {0,1}},
+            {{ 0.5f,  0.5f,  0.5f}, {1,0,0}, {1,1}},
+            {{ 0.5f, -0.5f,  0.5f}, {1,0,0}, {1,0}},
+
+            // Top face (normal 0, 1, 0)
+            {{-0.5f,  0.5f, -0.5f}, {0,1,0}, {0,0}},
+            {{-0.5f,  0.5f,  0.5f}, {0,1,0}, {0,1}},
+            {{ 0.5f,  0.5f,  0.5f}, {0,1,0}, {1,1}},
+            {{ 0.5f,  0.5f, -0.5f}, {0,1,0}, {1,0}},
+
+            // Bottom face (normal 0, -1, 0)
+            {{-0.5f, -0.5f, -0.5f}, {0,-1,0}, {0,0}},
+            {{-0.5f, -0.5f,  0.5f}, {0,-1,0}, {0,1}},
+            {{ 0.5f, -0.5f,  0.5f}, {0,-1,0}, {1,1}},
+            {{ 0.5f, -0.5f, -0.5f}, {0,-1,0}, {1,0}},
+        };
+
+        std::vector<uint32_t> indices = {
+            // Front face (z=-0.5)
+            0, 2, 1, 0, 3, 2,
+            // Back face (z=0.5)
+            4, 5, 6,  4, 6, 7,
+            // Right face
+            12, 13, 14, 12, 14, 15,
+            // Left face
+            8, 10, 9, 8, 11, 10,
+            // Top face
+            18, 16, 17, 18, 19, 16,
+            // Bottom face
+            20, 22, 21, 20, 23, 22
+        };
+
+        return CreateMesh(vertices, indices);
+    }
+
+    // ==================================================
+    struct Renderer3DData
+    {
+        Ref<Shader> color_shader_3d;
+
+        struct CameraData
+        {
+            glm::mat4 view_projection;
+            glm::vec3 view_position;
+        };
+        CameraData camera_buffer;
+        Ref<UniformBuffer> camera_uniform_buffer;
+        
+        struct TransformData
+        {
+            glm::mat4 transform;
+        };
+        TransformData transform_buffer;
+        Ref<UniformBuffer> transform_uniform_buffer;
+
+        Material material_buffer;
+        Ref<UniformBuffer> material_uniform_buffer;
+
+        Ref<UniformBuffer> id_uniform_buffer;
+    };
+
+    static Renderer3DData renderer_data;
+
+    void Renderer3D::Init()
+    {
+        OE_PROFILE_FUNCTION();
+        
+        glEnable(GL_CULL_FACE);
+        glCullFace(GL_BACK);
+
+        renderer_data.color_shader_3d = Shader::Create("assets/shaders/color3d.glsl");
+        renderer_data.camera_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::CameraData), 0);
+        renderer_data.transform_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::TransformData), 1);
+        renderer_data.material_uniform_buffer = UniformBuffer::Create(sizeof(Material), 2);
+        renderer_data.id_uniform_buffer = UniformBuffer::Create(sizeof(uint32_t), 3);
+
+        glEnable(GL_DEBUG_OUTPUT);
+        glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
+        glDebugMessageCallback([](GLenum source, GLenum type, GLuint id, GLenum severity,
+                    GLsizei length, const GLchar* message, const void* userParam) {
+                OE_CORE_ERROR("GL: {0}", message);
+                }, nullptr);
+    }
+    
+    void Renderer3D::Shutdown()
+    {
+        renderer_data.color_shader_3d.reset();
+        renderer_data.camera_uniform_buffer.reset();
+        renderer_data.transform_uniform_buffer.reset();
+        renderer_data.material_uniform_buffer.reset();
+        renderer_data.id_uniform_buffer.reset();
+    }
+    
+    void Renderer3D::BeginScene(const SceneCamera& camera, const glm::mat4& transform)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.camera_buffer.view_projection = camera.GetProjection() * glm::inverse(transform);
+        renderer_data.camera_buffer.view_position = transform[3];
+
+		renderer_data.camera_uniform_buffer->SetData(&renderer_data.camera_buffer, sizeof(Renderer3DData::CameraData));
+    }
+
+    void Renderer3D::BeginScene(const EditorCamera& camera)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.camera_buffer.view_projection = camera.GetViewProjection();
+        renderer_data.camera_buffer.view_position = camera.GetPosition();
+
+		renderer_data.camera_uniform_buffer->SetData(&renderer_data.camera_buffer, sizeof(Renderer3DData::CameraData));
+    }
+
+    void Renderer3D::EndScene()
+    {
+
+    }
+
+    void Renderer3D::DrawMesh(const Ref<Mesh>& mesh, Material& material,
+            const glm::mat4& transform)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.color_shader_3d->Bind();
+
+        renderer_data.transform_buffer.transform = transform;
+        renderer_data.transform_uniform_buffer->SetData(&renderer_data.transform_buffer, sizeof(Renderer3DData::TransformData));
+
+        renderer_data.material_buffer = material;
+        renderer_data.material_uniform_buffer->SetData(&renderer_data.material_buffer, sizeof(Material));
+
+        mesh->vertex_array->Bind();
+
+        RenderCommand::DrawIndexed(mesh->vertex_array, mesh->indices.size());
+    }
+
+    void Renderer3D::DrawMesh(const Ref<Mesh>& mesh, Material& material,
+            const glm::mat4& transform,
+            uint32_t entity_id)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.color_shader_3d->Bind();
+
+        renderer_data.transform_buffer.transform = transform;
+        renderer_data.transform_uniform_buffer->SetData(&renderer_data.transform_buffer, sizeof(Renderer3DData::TransformData));
+
+        renderer_data.material_buffer = material;
+        renderer_data.material_uniform_buffer->SetData(&renderer_data.material_buffer, sizeof(Material));
+
+        renderer_data.id_uniform_buffer->SetData(&entity_id, sizeof(uint32_t));
+
+        mesh->vertex_array->Bind();
+
+        RenderCommand::DrawIndexed(mesh->vertex_array, mesh->indices.size());
+    }
+
+    void Renderer3D::DrawModel(const Ref<Model3D>& model,
+            const glm::mat4& transform,
+            uint32_t entity_id)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.color_shader_3d->Bind();
+
+        renderer_data.transform_buffer.transform = transform;
+        renderer_data.transform_uniform_buffer->SetData(&renderer_data.transform_buffer, sizeof(Renderer3DData::TransformData));
+
+        for (auto& mesh : *model) {
+            renderer_data.material_buffer = mesh.material;
+            renderer_data.material_uniform_buffer->SetData(&renderer_data.material_buffer, sizeof(Material));
+
+            renderer_data.id_uniform_buffer->SetData(&entity_id, sizeof(uint32_t));
+
+            mesh.vertex_array->Bind();
+
+            RenderCommand::DrawIndexed(mesh.vertex_array, mesh.indices.size());
+        }
+    }
+}

open_engine/src/open_engine/scene/scene.cpp

@@ -1,26 +1,160 @@
+#include "logging.hpp"
+#include "physics.hpp"
+#include "ref_scope.hpp"
+#include "renderer/model3d.hpp"
+#include <Jolt/Physics/Body/MotionType.h>
+#include <Jolt/Physics/Collision/ObjectLayer.h>
+#include <Jolt/Physics/Collision/Shape/ConvexShape.h>
 #include <pch.hpp>
 
-#include <renderer/renderer2d.hpp>
+#include <renderer/renderer3d.hpp>
 #include <scene/components.hpp>
+#include <open_engine/scene/native_scriptable_entity.hpp>
 #include <scene/entity.hpp>
 #include <scene/scene.hpp>
+#include <core/time.hpp>
+
+#include <Jolt/Physics/Collision/Shape/Shape.h>
+#include <Jolt/Physics/Collision/Shape/PlaneShape.h>
+#include <Jolt/Physics/Collision/Shape/BoxShape.h>
+#include <Jolt/Physics/Collision/Shape/SphereShape.h>
+#include <Jolt/Physics/EActivation.h>
+#include <Jolt/Math/Real.h>
+#include <Jolt/Math/Quat.h>
+#include <cstdint>
+#include <entt/entity/fwd.hpp>
 
 namespace OpenEngine {
+
+    static Ref<ShapeSettings> CreateShape(entt::registry& reg, entt::entity e)
+    {
+        if (reg.any_of<BoxShapeComponent>(e)) {
+            auto& c = reg.get<BoxShapeComponent>(e);
+            return CreateRef<BoxShapeSettings>(ToJolt(c.size * 0.5f));
+        }
+        if (reg.any_of<SphereShapeComponent>(e)) {
+            auto& c = reg.get<SphereShapeComponent>(e);
+            return CreateRef<SphereShapeSettings>(c.radius);
+        }
+        if (reg.any_of<PlaneShapeComponent>(e)) {
+            auto& c = reg.get<PlaneShapeComponent>(e);
+            const Plane plane({ 0.0f, 1.0f, 0.0f }, 0);
+            return CreateRef<PlaneShapeSettings>(plane, nullptr, c.extent);
+        }
+
+        OE_CORE_ERROR("Entity {} has no shape component!", reg.get<TagComponent>(e).tag);
+        return nullptr;
+    };
+
+    void Scene::OnRuntimeStart()
+    {
+        body_interface = &physics_engine.GetBodyInterface();
+        // TODO: Cleanup components aquisition
+        auto view = registry.view<TransformComponent, PhysicsBodyComponent>();
+        for (auto e : view) {
+            Entity entity = { e, this };
+            
+            auto shape_settings = CreateShape(registry, e);
+            if (!shape_settings)
+                shape_settings = CreateRef<BoxShapeSettings>(Vec3(0.5f, 0.5f, 0.5f));
+
+            auto shape_result = shape_settings->Create();
+            if (shape_result.HasError()) {
+                OE_CORE_ERROR("Shape creation failed: {}", shape_result.GetError().c_str());
+                continue;
+            }
+            ShapeRefC shape = shape_result.Get();
+
+            auto& pbc = entity.GetComponents<PhysicsBodyComponent>();
+            auto& tc = entity.GetComponents<TransformComponent>();
+            
+            glm::vec3& pos = tc.translation;
+            glm::vec3& scale = tc.scale;
+            glm::vec3& rot = tc.rotation;
+
+            Quat quat = Quat::sEulerAngles(Vec3(rot.x, rot.y, rot.z));
+            BodyCreationSettings settings(
+                    shape,
+                    //new BoxShape(Vec3(scale.x * 0.5, scale.y * 0.5f, scale.z * 0.5f)),
+                    Vec3(pos.x, pos.y, pos.z),
+                    quat,
+                    (EMotionType)pbc.type,
+                    pbc.layer);
+
+            settings.mLinearDamping = pbc.linear_damping;
+            settings.mAngularDamping = pbc.angular_damping;
+            settings.mGravityFactor = pbc.gravity_factor;
+            settings.mRestitution = pbc.restitution;
+            settings.mFriction = pbc.friction;
+            settings.mObjectLayer = (ObjectLayer)pbc.layer;
+
+            pbc.body = body_interface->CreateAndAddBody(settings, (EActivation)pbc.initial_activation_state);
+        }
+    }
+
+    void Scene::OnRuntimeStop()
+    {
+        auto view = registry.view<PhysicsBodyComponent>();
+        for (auto e : view) {
+            Entity entity = { e, this };
+
+            auto& pbc = entity.GetComponents<PhysicsBodyComponent>();
+
+            body_interface->RemoveBody(pbc.body);
+            body_interface->DestroyBody(pbc.body);
+        }
+    }
+
     Entity Scene::CreateEntity(const std::string& name)
+    {
+        return CreateEntityWithUUID(UUID(), name);
+    }
+
+    Entity Scene::CreateEntityWithUUID(UUID uuid, const std::string& name)
     {
         Entity entity = { registry.create(), this };
 
-        auto& tag = entity.AddComponents<TagComponent>();
+        entity.AddComponent<IDComponent>(uuid);
+        auto& tag = entity.AddComponent<TagComponent>();
         tag.tag = name.empty() ? "Entity" : name;
 
         return entity;
     }
     
-    void Scene::DeleteEntity(Entity entity)
+    void Scene::DeleteEntity(entt::entity entity)
     {
         registry.destroy(entity);
     }
 
+    void Scene::MarkEntityForDeletion(Entity entity)
+    {
+        pending_deletion.emplace_back(entity);
+    }
+    
+    void Scene::UpdateEntities()
+    {
+        for (auto& entity : pending_deletion)
+            DeleteEntity(entity);
+
+        pending_deletion.clear();
+    }
+
+    void Scene::OnUpdatePhysics()
+    {
+        static int step = 0;
+        static float accumulator = 0.0f;
+        static const float fixedDT = 1.0f / 60.0f;
+
+        float real_delta_time = Time::DeltaTime(); // e.g. from a timer
+        accumulator += real_delta_time;
+
+        if (accumulator >= fixedDT) {
+            step++;
+            physics_engine.Update(fixedDT, 1);
+            accumulator -= fixedDT;
+        }
+    }
+
     void Scene::OnUpdateRuntime()
     {
         {
@@ -38,6 +172,40 @@ namespace OpenEngine {
                     });
         }
 
+        auto view = registry.view<TransformComponent, PhysicsBodyComponent>();
+        for (auto e : view) {
+            Entity entity = { e, this };
+
+            auto& pos = entity.GetComponents<TransformComponent>().translation;
+            auto& body = entity.GetComponents<PhysicsBodyComponent>();
+
+            body_interface->SetPosition(body.body, { pos.x, pos.y, pos.z }, EActivation::Activate);
+
+            body_interface->SetRestitution(body.body, body.restitution);
+            body_interface->SetFriction(body.body, body.friction);
+        }
+
+        OnUpdatePhysics();
+
+        for (auto e : view) {
+            Entity entity = { e, this };
+
+            auto& transform = entity.GetComponents<TransformComponent>();
+            auto& body = entity.GetComponents<PhysicsBodyComponent>();
+
+            auto position = body_interface->GetPosition(body.body);
+            auto rotation = body_interface->GetRotation(body.body).GetEulerAngles();
+            transform.translation.x = position.GetX();
+            transform.translation.y = position.GetY();
+            transform.translation.z = position.GetZ();
+
+            transform.rotation.x = rotation.GetX();
+            transform.rotation.y = rotation.GetY();
+            transform.rotation.z = rotation.GetZ();
+
+            body_interface->SetGravityFactor(body.body, body.gravity_factor);
+        }
+
         SceneCamera* main_camera = nullptr;
         glm::mat4 main_transform{ 1.0f };
         {
@@ -53,44 +221,64 @@ namespace OpenEngine {
             }
 
             if (main_camera) {
-                Renderer2D::BeginScene(main_camera->GetProjection(), main_transform);
+                Renderer3D::BeginScene(*main_camera, main_transform);
 
-                auto view = registry.view<TransformComponent, SpriteRendererComponent>();
+                auto view = registry.view<TransformComponent, MeshComponent>();
 
-                for (const auto& entity : view) {
+                for (const auto& e : view) {
-                    auto [transform, sprite] = view.get<TransformComponent, SpriteRendererComponent>(entity);
+                    auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(e);
+                    Entity entity(e, this);
 
+                    Material material;
+                    if (entity.HasComponent<MaterialComponent>())
+                        material = entity.GetComponents<MaterialComponent>().material;
+
+                    Renderer3D::DrawMesh(mesh.mesh, material, GetTransformFromComp(transform));
+                    /*
                     if (sprite.texture)
                         Renderer2D::DrawQuad(GetTransformFromComp(transform),
                                 sprite.texture, sprite.color, (int)entity, sprite.tiling_factor);
                     else
                         Renderer2D::DrawQuad(GetTransformFromComp(transform),
                                 sprite.color, (int)entity);
+                    */
                 }
 
-                Renderer2D::EndScene();
+                Renderer3D::EndScene();
             }
         }
     }
 
     void Scene::OnUpdateEditor(EditorCamera& camera)
 	{
-		Renderer2D::BeginScene(camera);
+		Renderer3D::BeginScene(camera);
 
-		auto group = registry.group<TransformComponent>(entt::get<SpriteRendererComponent>);
+        auto view = registry.view<TransformComponent, MeshComponent>();
-		for (auto entity : group)
-		{
-			auto [transform, sprite] = group.get<TransformComponent, SpriteRendererComponent>(entity);
 
-            if (sprite.texture)
+        for (const auto& entity : view) {
-                Renderer2D::DrawQuad(GetTransformFromComp(transform),
+            auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(entity);
-                        sprite.texture, sprite.color, (int)entity, sprite.tiling_factor);
+
-            else
+            Material material;
-                Renderer2D::DrawQuad(GetTransformFromComp(transform),
+
-                        sprite.color, (int)entity);
+            Entity _entity(entity, this);
+            if (_entity.HasComponent<MaterialComponent>())
+                material = _entity.GetComponents<MaterialComponent>().material;
+
+            if (mesh.mesh)
+                Renderer3D::DrawMesh(mesh.mesh, material, GetTransformFromComp(transform), (uint32_t)_entity);
         }
 
-		Renderer2D::EndScene();
+        auto model_view = registry.view<TransformComponent, ModelComponent>();
+
+        for (const auto& entity : model_view) {
+            auto [transform, model_comp] = model_view.get<TransformComponent, ModelComponent>(entity);
+
+            Entity _entity(entity, this);
+
+            Renderer3D::DrawModel(model_comp.model, GetTransformFromComp(transform), (uint32_t)_entity);
+        }
+
+		Renderer3D::EndScene();
 	}
 
     void Scene::OnViewportResize(uint32_t width, uint32_t height)
@@ -151,4 +339,44 @@ namespace OpenEngine {
 	void Scene::OnComponentAdded<NativeScriptComponent>(Entity entity, NativeScriptComponent& component)
 	{
 	}
+
+	template<>
+	void Scene::OnComponentAdded<MeshComponent>(Entity entity, MeshComponent& component)
+	{
+	}
+
+	template<>
+	void Scene::OnComponentAdded<MaterialComponent>(Entity entity, MaterialComponent& component)
+	{
+	}
+
+	template<>
+	void Scene::OnComponentAdded<PhysicsBodyComponent>(Entity entity, PhysicsBodyComponent& component)
+	{
+	}
+
+	template<>
+	void Scene::OnComponentAdded<SphereShapeComponent>(Entity entity, SphereShapeComponent& component)
+	{
+	}
+
+	template<>
+	void Scene::OnComponentAdded<BoxShapeComponent>(Entity entity, BoxShapeComponent& component)
+	{
+	}
+
+    template<>
+	void Scene::OnComponentAdded<IDComponent>(Entity entity, IDComponent& component)
+	{
+	}
+
+    template<>
+	void Scene::OnComponentAdded<PlaneShapeComponent>(Entity entity, PlaneShapeComponent& component)
+	{
+	}
+
+    template<>
+	void Scene::OnComponentAdded<ModelComponent>(Entity entity, ModelComponent& component)
+	{
+	}
 }

open_engine/src/open_engine/scene/scene_serializer.cpp

@@ -1,7 +1,9 @@
+#include <cstdint>
 #include <pch.hpp>
 
 #include "core.hpp"
 #include <scene/scene_serializer.hpp>
+#include "renderer/renderer3d.hpp"
 #include "scene/components.hpp"
 #include "scene/entity.hpp"
 
@@ -86,11 +88,12 @@ namespace OpenEngine {
 
     static void SerializeEntity(YAML::Emitter& out, Entity entity)
     {
-        out << YAML::BeginMap;
+        OE_CORE_ASSERT(entity.HasComponent<IDComponent>(), "Entity is missing UUID.");
-        out << YAML::Key << "Entity" << YAML::Value << "412741205"; // Needs random
 
-        if (entity.HasComponent<TagComponent>())
+        out << YAML::BeginMap;
-        {
+        out << YAML::Key << "Entity" << YAML::Value << entity.GetUUID(); // Needs random
+
+        if (entity.HasComponent<TagComponent>()) {
             out << YAML::Key << "TagComponent";
             out << YAML::BeginMap; // TagComponent
 
@@ -100,8 +103,7 @@ namespace OpenEngine {
             out << YAML::EndMap; // TagComponent
         }
 
-        if (entity.HasComponent<TransformComponent>())
+        if (entity.HasComponent<TransformComponent>()) {
-        {
             out << YAML::Key << "TransformComponent";
             out << YAML::BeginMap; // TransformComponent
 
@@ -113,8 +115,7 @@ namespace OpenEngine {
             out << YAML::EndMap; // TransformComponent
         }
 
-        if (entity.HasComponent<CameraComponent>())
+        if (entity.HasComponent<CameraComponent>()) {
-        {
             out << YAML::Key << "CameraComponent";
             out << YAML::BeginMap; // CameraComponent
 
@@ -138,8 +139,7 @@ namespace OpenEngine {
             out << YAML::EndMap; // CameraComponent
         }
 
-        if (entity.HasComponent<SpriteRendererComponent>())
+        if (entity.HasComponent<SpriteRendererComponent>()) {
-        {
             out << YAML::Key << "SpriteRendererComponent";
             out << YAML::BeginMap; // SpriteRendererComponent
 
@@ -149,6 +149,78 @@ namespace OpenEngine {
             out << YAML::EndMap; // SpriteRendererComponent
         }
 
+        if (entity.HasComponent<MeshComponent>()) {
+            out << YAML::Key << "MeshComponent";
+            out << YAML::BeginMap; // MeshComponent
+
+            auto& mesh_component = entity.GetComponents<MeshComponent>();
+            out << YAML::Key << "MeshType" << YAML::Value << (int)mesh_component.primitive_type;
+
+            out << YAML::EndMap; // MeshComponent
+        }
+
+        if (entity.HasComponent<MaterialComponent>()) {
+            out << YAML::Key << "MaterialComponent";
+            out << YAML::BeginMap; // MaterialComponent
+
+            auto& material = entity.GetComponents<MaterialComponent>().material;
+            out << YAML::Key << "Albedo" << YAML::Value << material.albedo;
+            out << YAML::Key << "Roughness" << YAML::Value << material.roughness;
+            out << YAML::Key << "Metalic" << YAML::Value << material.metallic;
+            out << YAML::Key << "AmbiantStrength" << YAML::Value << material.ambient_strength;
+            out << YAML::Key << "SpecularStrength" << YAML::Value << material.specular_strength;
+
+            out << YAML::EndMap; // MaterialComponent
+        }
+
+        if (entity.HasComponent<PhysicsBodyComponent>()) {
+            out << YAML::Key << "PhysicsBodyComponent";
+            out << YAML::BeginMap; // PhysicsBodyComponent
+
+            auto& pbc = entity.GetComponents<PhysicsBodyComponent>();
+            out << YAML::Key << "LinearDamping" << YAML::Value << pbc.linear_damping;
+            out << YAML::Key << "AngularDamping" << YAML::Value << pbc.angular_damping;
+            out << YAML::Key << "GravityFactor" << YAML::Value << pbc.gravity_factor;
+            out << YAML::Key << "Restitution" << YAML::Value << pbc.restitution;
+            out << YAML::Key << "Friction" << YAML::Value << pbc.friction;
+
+            out << YAML::Key << "Type" << YAML::Value << pbc.type;
+            out << YAML::Key << "ActivationState" << YAML::Value << pbc.initial_activation_state;
+            out << YAML::Key << "Layer" << YAML::Value << pbc.layer;
+
+            out << YAML::EndMap; // PhysicsBodyComponent
+        }
+
+        if (entity.HasComponent<BoxShapeComponent>()) {
+            out << YAML::Key << "BoxShapeComponent";
+            out << YAML::BeginMap; //BoxShapeComponent 
+
+            auto& bsc = entity.GetComponents<BoxShapeComponent>();
+            out << YAML::Key << "Size" << YAML::Value << bsc.size;
+
+            out << YAML::EndMap; //BoxShapeComponent 
+        }
+
+        if (entity.HasComponent<SphereShapeComponent>()) {
+            out << YAML::Key << "SphereShapeComponent";
+            out << YAML::BeginMap; //SphereShapeComponent 
+
+            auto& ssc = entity.GetComponents<SphereShapeComponent>();
+            out << YAML::Key << "Radius" << YAML::Value << ssc.radius;
+
+            out << YAML::EndMap; //SphereShapeComponent 
+        }
+
+        if (entity.HasComponent<PlaneShapeComponent>()) {
+            out << YAML::Key << "PlaneShapeComponent";
+            out << YAML::BeginMap; //PlaneShapeComponent 
+
+            auto& psc = entity.GetComponents<PlaneShapeComponent>();
+            out << YAML::Key << "Extent" << YAML::Value << psc.extent;
+
+            out << YAML::EndMap; //PlaneShapeComponent 
+        }
+
         out << YAML::EndMap;
     }
 
@@ -191,11 +263,10 @@ namespace OpenEngine {
 		OE_CORE_TRACE("Deserializing scene '{0}'", sceneName);
 
 		auto entities = data["Entities"];
-		if (entities)
+		if (entities) {
-		{
 			for (auto entity : entities)
 			{
-				uint64_t uuid = entity["Entity"].as<uint64_t>(); // TODO
+				uint64_t uuid = entity["Entity"].as<uint64_t>();
 
 				std::string name;
 				auto tagComponent = entity["TagComponent"];
@@ -204,21 +275,19 @@ namespace OpenEngine {
 
 				OE_CORE_TRACE("Deserialized entity with ID = {0}, name = {1}", uuid, name);
 
-				Entity deserializedEntity = context->CreateEntity(name);
+				Entity deserializedEntity = context->CreateEntityWithUUID(uuid, name);
 
 				auto transformComponent = entity["TransformComponent"];
-				if (transformComponent)
+				if (transformComponent) {
-				{
+					auto& tc = deserializedEntity.AddComponent<TransformComponent>();
-					auto& tc = deserializedEntity.AddComponents<TransformComponent>();
 					tc.translation = transformComponent["Translation"].as<glm::vec3>();
 					tc.rotation = transformComponent["Rotation"].as<glm::vec3>();
 					tc.scale = transformComponent["Scale"].as<glm::vec3>();
 				}
 
 				auto cameraComponent = entity["CameraComponent"];
-				if (cameraComponent)
+				if (cameraComponent) {
-				{
+					auto& cc = deserializedEntity.AddComponent<CameraComponent>();
-					auto& cc = deserializedEntity.AddComponents<CameraComponent>();
 
 					auto camera_props = cameraComponent["Camera"];
 					cc.camera.SetProjectionType((SceneCamera::ProjectionType)camera_props["ProjectionType"].as<int>());
@@ -236,16 +305,82 @@ namespace OpenEngine {
 				}
 
 				auto spriteRendererComponent = entity["SpriteRendererComponent"];
-				if (spriteRendererComponent)
+				if (spriteRendererComponent) {
-				{
+					auto& src = deserializedEntity.AddComponent<SpriteRendererComponent>();
-					auto& src = deserializedEntity.AddComponents<SpriteRendererComponent>();
 					src.color = spriteRendererComponent["Color"].as<glm::vec4>();
 				}
+
+                auto mesh_component = entity["MeshComponent"];
+                if (mesh_component) {
+                    auto& mesh = deserializedEntity.AddComponent<MeshComponent>();
+                    mesh.primitive_type = (PrimitiveType)mesh_component["MeshType"].as<int>();
+                    switch (mesh.primitive_type) {
+                        case OpenEngine::PrimitiveType::Quad: {
+                                mesh.mesh = CreateQuad((uint32_t)deserializedEntity);
+                                break;
+                            }
+                        case OpenEngine::PrimitiveType::Cube: {
+                                mesh.mesh = CreateCube((uint32_t)deserializedEntity);
+                                break;
+                            }
+                        default: {
+                                OE_CORE_ASSERT(false, "No mesh");
+                                break;
+                            }
+                    }
+                }
+
+				auto material_component = entity["MaterialComponent"];
+				if (material_component) {
+					auto& material = deserializedEntity.AddComponent<MaterialComponent>();
+					material.material.albedo = material_component["Albedo"].as<glm::vec4>();
+					material.material.roughness = material_component["Roughness"].as<float>();
+					material.material.metallic = material_component["Metalic"].as<float>();
+					material.material.ambient_strength = material_component["AmbiantStrength"].as<float>();
+					material.material.specular_strength = material_component["SpecularStrength"].as<float>();
+				}
+
+                auto physics_body_component = entity["PhysicsBodyComponent"];
+                if (physics_body_component) {
+                    auto& pbc = deserializedEntity.AddComponent<PhysicsBodyComponent>();
+
+                    pbc.linear_damping = physics_body_component["LinearDamping"].as<float>();
+                    pbc.angular_damping = physics_body_component["AngularDamping"].as<float>();
+                    pbc.gravity_factor = physics_body_component["GravityFactor"].as<float>();
+                    pbc.restitution = physics_body_component["Restitution"].as<float>();
+                    pbc.friction = physics_body_component["Friction"].as<float>();
+
+                    pbc.type = physics_body_component["Type"].as<int>();
+                    pbc.initial_activation_state = physics_body_component["ActivationState"].as<int>();
+                    pbc.layer = physics_body_component["Layer"].as<int>();
+                }
+
+                auto box_shape_component = entity["BoxShapeComponent"];
+                if (box_shape_component) {
+                    auto& bsc = deserializedEntity.AddComponent<BoxShapeComponent>();
+
+                    bsc.size = box_shape_component["Size"].as<glm::vec3>();
+                }
+
+                auto sphere_shape_component = entity["SphereShapeComponent"];
+                if (sphere_shape_component) {
+                    auto& ssc = deserializedEntity.AddComponent<SphereShapeComponent>();
+
+                    ssc.radius = sphere_shape_component["Radius"].as<float>();
+                }
+
+                auto plane_shape_component = entity["PlaneShapeComponent"];
+                if (sphere_shape_component) {
+                    auto& psc = deserializedEntity.AddComponent<PlaneShapeComponent>();
+
+                    psc.extent = plane_shape_component["Extent"].as<float>();
+                }
 			}
 		}
 
 		return true;
     }
+
     bool SceneSerializer::DeserializeRuntime(const std::string& file_path)
     {
         OE_CORE_ASSERT(false, "Not implemented yet");

untitled_persp.oes

@@ -1,47 +0,0 @@
-Scene: N/A
-Entities:
-  - Entity: 412741205
-    TagComponent:
-      Tag: square 3
-    TransformComponent:
-      Translation: [-1.49011612e-08, 0.299999774, -0.499999911]
-      Rotation: [-1.57079685, 0, 0]
-      Scale: [0.605000019, 0.60496217, 0.60496217]
-    SpriteRendererComponent:
-      Color: [1, 1, 1, 1]
-  - Entity: 412741205
-    TagComponent:
-      Tag: "square 2 "
-    TransformComponent:
-      Translation: [0, 0, -0.200000003]
-      Rotation: [0, 0, 0]
-      Scale: [0.600000024, 0.600000083, 0.600000024]
-    SpriteRendererComponent:
-      Color: [0.882352948, 0.745098054, 0.376470596, 1]
-  - Entity: 412741205
-    TagComponent:
-      Tag: square
-    TransformComponent:
-      Translation: [0.299827427, -9.68575478e-08, -0.499896437]
-      Rotation: [0, 1.57079637, 0]
-      Scale: [0.6049999, 0.604999959, 0.6049999]
-    SpriteRendererComponent:
-      Color: [0.517647088, 0.0901960805, 1, 1]
-  - Entity: 412741205
-    TagComponent:
-      Tag: camera
-    TransformComponent:
-      Translation: [0, 0, 20.8999996]
-      Rotation: [0, 0, 0]
-      Scale: [1, 1, 1]
-    CameraComponent:
-      Camera:
-        ProjectionType: 0
-        PerspectiveFOV: 45
-        PerspectiveNear: 0.00999999978
-        PerspectiveFar: 1000
-        OrthographicSize: 10
-        OrthographicNear: -1
-        OrthographicFar: 1
-      Primary: true
-      FixedAspectRatio: false