feat: created test object that renders a yellow box

src/test_object.c

@@ -0,0 +1,49 @@
+#include "test_object.h"
+#include "core/render.h"
+#include "raylib.h"
+
+START_REFLECT(TestObject);
+REFLECT_TYPECLASS(TestObject, Drop);
+REFLECT_TYPECLASS(TestObject, SceneNodeEntity);
+REFLECT_TYPECLASS(TestObject, Renderable);
+END_REFLECT(TestObject);
+
+impl_Drop_for(TestObject,
+    DestroyTestObject
+)
+
+impl_Renderable_for(TestObject,
+    TestObjectDraw
+)
+
+impl_SceneNodeEntity_for(TestObject,
+    TestObjectEnterTree,
+    TestObjectExitTree,
+    TestObjectTick
+)
+
+SceneNode *CreateTestObject() {
+    TestObject *self = new(TestObject);
+    return CreateSceneNode(TestObject_as_SceneNodeEntity(self));
+}
+
+void DestroyTestObject(TestObject *self) {
+    free(self);
+}
+
+void TestObjectEnterTree(TestObject *self) {
+    self->transform = TC_CAST(self->node->parent->entity, Transformable);
+    AddRenderable(TestObject_as_Renderable(self));
+}
+
+void TestObjectExitTree(TestObject *self) {
+    RemoveRenderable(TestObject_as_Renderable(self));
+}
+
+void TestObjectDraw(TestObject *self) {
+    Vector3 position = Vector3Add((Vector3){0.f, 1.f, 0.f}, self->transform.tc->get_global_transform(self->transform.data).translation);
+    DrawCube(position, 1.f, 2.f, 1.f, YELLOW);
+}
+
+void TestObjectTick(TestObject *self, double delta) {
+}

src/test_object.h

@@ -0,0 +1,29 @@
+#ifndef TEST_OBJECT_H
+#define TEST_OBJECT_H
+
+#include "core/scene.h"
+#include "core/scene_node_entity.h"
+#include "core/transformable.h"
+#include "core/renderable.h"
+#include "utils/drop.h"
+#include "utils/mirror.h"
+
+typedef struct TestObject {
+    SceneNode *node;
+    Transformable transform;
+} TestObject;
+
+SceneNode *CreateTestObject();
+void DestroyTestObject(TestObject *self);
+
+void TestObjectEnterTree(TestObject *self);
+void TestObjectExitTree(TestObject *self);
+void TestObjectDraw(TestObject *self);
+void TestObjectTick(TestObject *self, double delta);
+
+DECL_REFLECT(TestObject);
+decl_typeclass_impl(SceneNodeEntity, TestObject);
+decl_typeclass_impl(Drop, TestObject);
+decl_typeclass_impl(Renderable, TestObject);
+
+#endif // !TEST_OBJECT_H