add basic ah physicsworld

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

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <algorithm>
+
+#include <destrum/Components/Collider.h>
+
+class SphereCollider final : public Collider {
+public:
+    explicit SphereCollider(GameObject& owner, float radius = 0.5f)
+        : Collider(owner)
+        , m_Radius(radius) {}
+
+    [[nodiscard]] PhysicsShapeDesc BuildPhysicsShape() const override {
+        return PhysicsShapeDesc::Sphere(m_Radius, m_CenterOffset, m_IsTrigger);
+    }
+
+    [[nodiscard]] float GetRadius() const {
+        return m_Radius;
+    }
+
+    void SetRadius(float radius) {
+        m_Radius = std::max(radius, 0.0f);
+    }
+
+private:
+    float m_Radius{0.5f};
+};