1 files changed, 29 insertions, 0 deletions
diff --git a/src/entity.c b/src/entity.c
index f4c3747..fa610d0 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -333,6 +333,35 @@ bool checkEntityCollision(Entity * entity1, Entity * entity2) {
 	return false;
 }
 
+RayCollision traceRayToEntity(Entity entity, Ray ray) {
+	int i;
+	RayCollision collision;
+
+	Ray transformedRay = (Ray){
+		.direction = ray.direction,
+		.position = Vector3Subtract(ray.position, entity.position)
+	};
+	
+	// Check every mesh.
+	for (i = 0; i < entity.model->meshCount; ++i) {
+		collision = GetRayCollisionMesh(
+			transformedRay,
+			entity.model->meshes[i],
+			entity.model->transform
+		);
+
+		// Hit.
+		if (collision.hit)
+			return collision;
+	}
+
+	return (RayCollision){.hit = false};
+}
+
+RayCollision traceRayToEntityRadius(Entity entity, Ray ray, float scale) {
+	return GetRayCollisionSphere(ray, entity.position, entity.radius * scale);
+}
+
 // Basic wireframe drawing.
 void entityDraw(Entity * entity) {
 	entity->model->transform = QuaternionToMatrix(entity->rotation);