Starting work on capsules.

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

@@ -8,4 +8,5 @@ target_sources(${DAWN_TARGET_NAME}
   PRIVATE
     Collider3D.cpp
     CubeCollider.cpp
+    CapsuleCollider.cpp
 )

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

@@ -0,0 +1,35 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "CapsuleCollider.hpp"
+
+using namespace Dawn;
+
+CapsuleCollider::CapsuleCollider(SceneItem *item) : Collider3D(item) {
+  
+}
+
+bool_t CapsuleCollider::performRaycast(
+  struct Collider3DRayResult *result,
+  struct Ray3D ray
+) {
+  assertNotNull(result);
+
+  return raytestCapsule(
+    ray,
+    {
+      .height = this->height,
+      .radius = this->radius,
+      .origin = this->transform->getWorldPosition()
+    },
+    &result->point,
+    &result->normal,
+    &result->distance
+  );
+}
+
+enum Collider3DType CapsuleCollider::getColliderType() {
+  return COLLIDER3D_TYPE_CAPSULE;
+}

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

@@ -0,0 +1,26 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "Collider3D.hpp"
+#include "physics/3d/Ray3D.hpp"
+
+namespace Dawn {
+  class CapsuleCollider : public Collider3D {
+    protected:
+      bool_t performRaycast(
+        struct Collider3DRayResult *result,
+        struct Ray3D ray
+      ) override;
+
+    public:
+      float_t height = 1;
+      float_t radius = 0.5f;
+
+      CapsuleCollider(SceneItem *item);
+
+      enum Collider3DType getColliderType() override;
+  };
+}

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

@@ -1,53 +1,54 @@
-// Copyright (c) 2023 Dominic Masters
-// 
-// This software is released under the MIT License.
-// https://opensource.org/licenses/MIT
-
-#pragma once
-#include "scene/SceneItemComponent.hpp"
-#include "physics/3d/Ray3D.hpp"
-
-namespace Dawn {
-  struct Collider3DRayResult {
-    glm::vec3 point;
-    float_t distance;
-    glm::vec3 normal;
-    Collider3D *collider;
-  };
-
-  enum Collider3DType {
-    COLLIDER3D_TYPE_CUBE
-  };
-
-  class Collider3D : public SceneItemComponent {
-    protected:
-      /**
-       * Internal per-collider raycast implementation. Same arguments as 
-       * Collider3D::raycast()
-       */
-      virtual bool_t performRaycast(
-        struct Collider3DRayResult *result,
-        struct Ray3D ray
-      ) = 0;
-
-    public:
-      Collider3D(SceneItem *item);
-
-      /**
-       * Perform a raycast against this collider.
-       * 
-       * @param result Where to store the result of the raycast collision 
-       * @param ray The ray to cast against.
-       * @return True if the ray intercepts this collider, otherwise false.
-       */
-      bool_t raycast(struct Collider3DRayResult *result, struct Ray3D ray);
-
-      /**
-       * Returns which type of collider this is. Useful for performing dynamic
-       * casting in your event listeners.
-       * 
-       * @return The collider type this is.
-       */
-      virtual enum Collider3DType getColliderType() = 0;
-  };
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "scene/SceneItemComponent.hpp"
+#include "physics/3d/Ray3D.hpp"
+
+namespace Dawn {
+  struct Collider3DRayResult {
+    glm::vec3 point;
+    float_t distance;
+    glm::vec3 normal;
+    Collider3D *collider;
+  };
+
+  enum Collider3DType {
+    COLLIDER3D_TYPE_CUBE,
+    COLLIDER3D_TYPE_CAPSULE
+  };
+
+  class Collider3D : public SceneItemComponent {
+    protected:
+      /**
+       * Internal per-collider raycast implementation. Same arguments as 
+       * Collider3D::raycast()
+       */
+      virtual bool_t performRaycast(
+        struct Collider3DRayResult *result,
+        struct Ray3D ray
+      ) = 0;
+
+    public:
+      Collider3D(SceneItem *item);
+
+      /**
+       * Perform a raycast against this collider.
+       * 
+       * @param result Where to store the result of the raycast collision 
+       * @param ray The ray to cast against.
+       * @return True if the ray intercepts this collider, otherwise false.
+       */
+      bool_t raycast(struct Collider3DRayResult *result, struct Ray3D ray);
+
+      /**
+       * Returns which type of collider this is. Useful for performing dynamic
+       * casting in your event listeners.
+       * 
+       * @return The collider type this is.
+       */
+      virtual enum Collider3DType getColliderType() = 0;
+  };
 }