feat: organized the create scene functions

src/main.c

@@ -8,31 +8,38 @@
 #include "core/mesh_render_entity.h"
 #include "utils/debug.h"
 
-Scene *CreateInitialScene() {
+//! Create camera node with a transformable parent.
-    Transformable transformable;
+SceneNode *CreateCameraScene() {
-    Transform transform;
+    SceneNode *camera_parent = CreateTransformNode();
-    SceneNode *root = CreateTransformNode();
+    SceneNodeAddChild(camera_parent, CreateCameraNode());
-    // create a model with a camera attached as a child of the root of the scene
-    SceneNode *model_parent = CreateTransformNode();
-    SceneNodeAddChild(root, model_parent);
-    // create the rest of the scene with a mesh and a functionality node
-    SceneNodeAddChild(model_parent, CreateMeshRenderEntity("spacefighter"));
-    SceneNodeAddChild(model_parent, CreateTestObject());
-    transformable = TC_CAST(model_parent->entity, Transformable);
-    transform = transformable.tc->get_global_transform(transformable.data);
-    transform.translation.y += 10;
-    transformable.tc->set_global_transform(transformable.data, transform);
-    // create a camera attached to it's own transform node
-    SceneNode *camera_parent = CreateTransformNode(); // the parent
-    SceneNodeAddChild(model_parent, camera_parent); // attached to the model parent
     // set camera parent offset
-    transformable = TC_CAST(camera_parent->entity, Transformable);
+    Transformable transformable = TC_CAST(camera_parent->entity, Transformable);
-    transform = transformable.tc->get_transform(transformable.data);
+    Transform transform = transformable.tc->get_transform(transformable.data);
     transform.translation = (Vector3){3.f, 4.f, -10.f};
     transform.rotation = QuaternionFromEuler(7.5f * DEG2RAD, 0.f, 0.f);
     transformable.tc->set_transform(transformable.data, transform);
-    // create the camera and attach it to the dedicated transform node
+    return camera_parent;
-    SceneNodeAddChild(camera_parent, CreateCameraNode());
+}
+
+//! create a model with a camera attached as a child of the root of the scene.
+SceneNode *CreateModelScene() {
+    SceneNode *model_parent = CreateTransformNode();
+    // create the rest of the scene with a mesh and a functionality node
+    SceneNodeAddChild(model_parent, CreateMeshRenderEntity("spacefighter"));
+    SceneNodeAddChild(model_parent, CreateTestObject());
+    // move the renderer's parent transform
+    Transformable transformable = TC_CAST(model_parent->entity, Transformable);
+    Transform transform = transformable.tc->get_global_transform(transformable.data);
+    transform.translation.y += 10;
+    transformable.tc->set_global_transform(transformable.data, transform);
+    return model_parent;
+}
+
+Scene *CreateInitialScene() {
+    SceneNode *root = CreateTransformNode();
+    SceneNode *model = CreateModelScene();
+    SceneNodeAddChild(root, model);
+    SceneNodeAddChild(model, CreateCameraScene());
     return CreateScene(root);
 }