feat: add debug rendering for other types of colliders / split game into more logical functions / files

destrum/include/destrum/Components/Physics/BoxCollider.h

@@ -21,6 +21,8 @@ public:
     }
 
 
+    void DrawDebugLines(const glm::vec4& color) const override;
+
     [[nodiscard]] PhysicsShapeDesc BuildPhysicsShape() const override {
         return PhysicsShapeDesc::Box(m_HalfExtents, m_CenterOffset, m_IsTrigger);
     }

destrum/include/destrum/Components/Physics/CapsuleCollider.h

@@ -36,6 +36,8 @@ public:
         }
     }
 
+    void DrawDebugLines(const glm::vec4& color) const override;
+
     [[nodiscard]] PhysicsShapeDesc BuildPhysicsShape() const override {
         return PhysicsShapeDesc::Capsule(m_Radius, m_Height, m_CenterOffset, m_IsTrigger);
     }

destrum/include/destrum/Components/Physics/Collider.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
 
 #include <destrum/ObjectModel/Component.h>
 #include <destrum/Physics/PhysicsTypes.h>
@@ -15,11 +16,14 @@ public:
     void ImGuiInspector() override;
 
     [[nodiscard]] virtual PhysicsShapeDesc BuildPhysicsShape() const = 0;
+    virtual void DrawDebugLines(const glm::vec4& color) const = 0;
 
     [[nodiscard]] bool IsTrigger() const { return m_IsTrigger; }
     void SetTrigger(bool trigger) { m_IsTrigger = trigger; NotifyPhysicsChanged(); }
 
     [[nodiscard]] const glm::vec3& GetCenterOffset() const { return m_CenterOffset; }
+    [[nodiscard]] glm::vec3 GetWorldCenter() const;
+    [[nodiscard]] glm::quat GetWorldRotation() const;
     void SetCenterOffset(const glm::vec3& offset) { m_CenterOffset = offset; NotifyPhysicsChanged(); }
 
 protected:

destrum/include/destrum/Components/Physics/SphereCollider.h

@@ -20,6 +20,8 @@ public:
         return "SphereCollider";
     }
 
+    void DrawDebugLines(const glm::vec4& color) const override;
+
     [[nodiscard]] PhysicsShapeDesc BuildPhysicsShape() const override {
         return PhysicsShapeDesc::Sphere(m_Radius, m_CenterOffset, m_IsTrigger);
     }

destrum/include/destrum/Graphics/DebugDraw.h

@@ -0,0 +1,19 @@
+#ifndef DEBUGDRAW_H
+#define DEBUGDRAW_H
+
+#include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
+
+namespace DebugDraw {
+    void Arc(const glm::vec3& center, const glm::vec3& axisA, const glm::vec3& axisB, float radius,
+             float fromAngle, float toAngle, const glm::vec4& color, int segments = 16);
+    void Circle(const glm::vec3& center, const glm::vec3& axisA, const glm::vec3& axisB, float radius,
+                const glm::vec4& color, int segments = 32);
+
+    void Box(const glm::vec3& center, const glm::quat& rotation, const glm::vec3& halfExtents, const glm::vec4& color);
+    void Sphere(const glm::vec3& center, float radius, const glm::vec4& color);
+
+    void Capsule(const glm::vec3& center, const glm::quat& rotation, float radius, float height, const glm::vec4& color);
+}
+
+#endif // DEBUGDRAW_H

destrum/include/destrum/Graphics/Resources/PrimitiveMeshes.h

@@ -0,0 +1,12 @@
+#ifndef PRIMITIVEMESHES_H
+#define PRIMITIVEMESHES_H
+
+#include <glm/glm.hpp>
+
+#include <destrum/Graphics/Resources/CPUMesh.h>
+
+namespace PrimitiveMeshes {
+    [[nodiscard]] CPUMesh MakeBox(const glm::vec3& size);
+}
+
+#endif // PRIMITIVEMESHES_H

destrum/include/destrum/Scene/ModelSpawner.h

@@ -0,0 +1,27 @@
+#ifndef MODELSPAWNER_H
+#define MODELSPAWNER_H
+
+#include <string>
+#include <string_view>
+
+class GameObject;
+class GfxDevice;
+class RenderResources;
+class Scene;
+
+namespace ModelDoc {
+    struct LoadOptions;
+}
+
+namespace ModelSpawner {
+    // Loads a model and creates a root GameObject with one child per mesh primitive, using the model's PBR materials
+    GameObject* SpawnStaticModel(
+        Scene& scene,
+        GfxDevice& gfxDevice,
+        RenderResources& resources,
+        std::string_view reference,
+        const ModelDoc::LoadOptions& options,
+        const std::string& name);
+}
+
+#endif // MODELSPAWNER_H