[CORE][ADD] Renderable add API

- getters
  - position
  - rotation
  - scaleVal
- normal
  - disposeLight

FinalProject/renderable.cpp

@@ -59,6 +59,13 @@ void Renderable::makeLight() {
     _light = new ScopedLight(glm::vec3(0.0f));
 }
 
+void Renderable::disposeLight() {
+    if (_light != nullptr) {
+        delete _light;
+        _light = nullptr;
+    }
+}
+
 void Renderable::render(ShaderProgram shader) {
     // Check if initialized
     if (_model == nullptr) {

FinalProject/renderable.h

@@ -32,6 +32,10 @@ public:
     ~Renderable();
 
 public:
+    glm::vec3 position() const { return _position; }
+    glm::mat4 rotation() const { return _rotation; }
+    glm::vec3 scaleVal() const { return _scale; }
+    
     void setModel(Model* model);
     void move(glm::vec3 deltaVec);
     void setPosition(glm::vec3 position);
@@ -44,6 +48,7 @@ public:
     ScopedLight* originalLight() const; // pass out the light object to scene manager to set light attributes
     bool hasLight() const { return _light != nullptr; }
     void makeLight();   // create a light source in the object
+    void disposeLight();    // remove the light source in the object
 
     const Boundary& boundary() const { return _boundary; }