Fix error (kraken and surfer are not crashed)

src/GameManager.cpp

@@ -170,6 +170,17 @@ void GameManager::Update()
 			else
 				m_ObjectManager.RemoveMovable(vec_movable[i]);
 		}
+		if (vec_movable[i]->GameObject::IsVisible())
+		{
+			for (int j = 0; j < vec_movable.size(); j++)
+			{
+				if (i != j && vec_movable[j]->GameObject::IsVisible())
+				{
+					if (vec_movable[i]->HasIntersected_(vec_movable[j]))
+						vec_movable[i]->HitBy(vec_movable[j]);
+				}
+			}
+		}
 	}
 
 	// check collision between movable and immovable

src/GameObject/MovableObject.cpp

@@ -74,3 +74,15 @@ void MovableObject::ResetRotate()
 	//this->velocity_y = 1.0f;
 }
 
+bool MovableObject::HasIntersected_(MovableObject* object)
+{
+	// collision detected!
+	float dx = this->GetCenterX() - object->GetCenterX();
+	float dy = this->GetCenterY() - object->GetCenterY();
+	int dw = this->GetWidth() + object->GetWidth();
+	int dh = this->GetHeight() + object->GetHeight();
+	if (dx < 0) dx *= -1;
+	if (dy < 0) dy *= -1;
+	if (dx <= dw && dy <= dh) return true;
+	else return false;
+}

src/GameObject/MovableObject.h

@@ -35,6 +35,7 @@ class MovableObject : public GameObject {
 	virtual void ResetRotate();
 	void SetSpeedByFactor(float factor);
 	void Stop();
+	bool HasIntersected_(MovableObject* object);
 };
 
 #endif

src/ObjectGenerator.cpp

@@ -22,6 +22,13 @@ void ObjectGenerator::Generate(ObjectManager& objectManager)
 
 void ObjectGenerator::Generate(ObjectManager& objectManager, SceneManager& sceneManager)
 {
+	// Kraken check
+	extern int score;
+	if (kraken_score + 400 < score) {
+		kraken_score = 0;
+		objectManager.SetKraken(false);
+	}
+
 	/* Generate objects */
 
 	vector<MovableObject*> generated_movable;
@@ -48,6 +55,9 @@ void ObjectGenerator::Generate(ObjectManager& objectManager, SceneManager& scene
 			)
 		); // add to temporary vector
 		objectManager.SetKraken(true);
+		kraken_score = score;
+		extern int life_count;
+		life_count--;
 	}
 
 	// Left bottom x-position of boundary (out of frame)

src/ObjectGenerator.h

@@ -23,6 +23,7 @@ class ObjectGenerator{
             {0.002f, 0.025f, 0.02f,  0.02f,  0.025f},
             {0.003f, 0.03f,  0.025f, 0.015f, 0.03f},
         };
+		int kraken_score = 0;
     public:
         ObjectGenerator();
         void Generate(ObjectManager& objectManager);