I don't know what I changed really other than adding the song

Assignment3Project/Assignment3Project/bullet.cpp

@@ -23,8 +23,4 @@ void Bullet::move(Direction dir) {
 	if (y_pos < 0 - height) {
 		oob = true;
 	}
-}
+}
-
-void Bullet::collide(GameElement * x)
-{
-}

Assignment3Project/Assignment3Project/bullet.h

@@ -10,5 +10,4 @@ public:
 	void reset_pos(float x, float y);
 	void draw();
 	void move(Direction dir);
-	void collide(GameElement* x);
 };

Assignment3Project/Assignment3Project/enemy.cpp

@@ -15,7 +15,3 @@ void Enemy::draw()
 void Enemy::move(Direction dir)
 {
 }
-
-void Enemy::collide(GameElement * x)
-{
-}

Assignment3Project/Assignment3Project/enemy.h

@@ -11,5 +11,4 @@ public:
 	void reset_pos(float x, float y);
 	void draw();
 	void move(Direction dir);
-	void collide(GameElement* x);
 };

Assignment3Project/Assignment3Project/game_element.h

@@ -15,5 +15,4 @@ public:
 	virtual void reset_pos(float x, float y) = 0;
 	virtual void move(Direction dir) = 0;
 	virtual void draw() = 0;
-	virtual void collide(GameElement* x) = 0;
 };

Assignment3Project/Assignment3Project/ship.cpp

@@ -25,10 +25,6 @@ void Ship::draw() {
 	al_draw_bitmap(sprite, x_pos, y_pos, NULL);
 }
 
-void Ship::collide(GameElement * x)
-{
-}
-
 void Ship::move(Direction dir) {
 	float factor = 4 * speed;
 	switch (dir) {

Assignment3Project/Assignment3Project/ship.h

@@ -18,7 +18,6 @@ public:
 	void reset_pos(float x, float y);
 	void set_sprite(ALLEGRO_BITMAP* _sprite);
 	void draw();
-	void collide(GameElement* x);
 	void move(Direction dir);
 	Bullet fire();
 };