Fixed raycast sphere.

src/dawn/scene/components/physics/3d/CMakeLists.txt

@@ -9,4 +9,5 @@ target_sources(${DAWN_TARGET_NAME}
     Collider3D.cpp
     CubeCollider.cpp
     CapsuleCollider.cpp
+    SphereCollider.cpp
 )

src/dawn/scene/components/physics/3d/Collider3D.hpp

@@ -17,7 +17,8 @@ namespace Dawn {
 
   enum Collider3DType {
     COLLIDER3D_TYPE_CUBE,
-    COLLIDER3D_TYPE_CAPSULE
+    COLLIDER3D_TYPE_CAPSULE,
+    COLLIDER3D_TYPE_SPHERE
   };
 
   class Collider3D : public SceneItemComponent {

src/dawn/scene/components/physics/3d/SphereCollider.cpp

@@ -0,0 +1,31 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "SphereCollider.hpp"
+
+using namespace Dawn;
+
+SphereCollider::SphereCollider(SceneItem *item) : Collider3D(item) {
+
+}
+
+enum Collider3DType SphereCollider::getColliderType() {
+  return COLLIDER3D_TYPE_SPHERE;
+}
+
+bool_t SphereCollider::performRaycast(
+  struct Collider3DRayResult *result,
+  struct Ray3D ray
+) {
+  assertNotNull(result);
+
+  return raytestSphere(
+    ray,
+    { .center = transform->getLocalPosition(), .radius = this->radius },
+    &result->point,
+    &result->normal,
+    &result->distance
+  );
+}

src/dawn/scene/components/physics/3d/SphereCollider.hpp

@@ -0,0 +1,24 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "Collider3D.hpp"
+
+namespace Dawn {
+  class SphereCollider : public Collider3D {
+    protected:
+      bool_t performRaycast(
+        struct Collider3DRayResult *result,
+        struct Ray3D ray
+      ) override;
+
+    public:
+      float_t radius = 1.0f;
+      
+      SphereCollider(SceneItem *item);
+
+      enum Collider3DType getColliderType() override;
+  };
+}