starting refactoring

src/engine.cpp

@@ -12,13 +12,6 @@ Paddle create_new_paddle(vec2** buffer, int starting_array_index, int size, int
 	return paddle;
 }
 
-Ball create_new_ball(vec2** buffer, int buffer_index, int default_vx, int default_vy, int row, int col, char symbol) {
-	Ball ball { default_vx, default_vy };
-	ball.m_origin = new vec2 { row, col, symbol };
-	buffer[buffer_index] = ball.m_origin;
-	return ball;
-}
-
 Block** create_block_buffer(int starting_symbol, int rows, int cols, int length) {
 	Block** block_buffer = new Block*[rows * cols];
 	int row, int_symbol, col;
@@ -115,18 +108,11 @@ void Paddle::check_collision(Ball &ball) {
 	}
 }
 
-Ball::~Ball() {
-	delete m_origin;
-	m_origin = nullptr;
-}
-
 void Ball::change_velocity(char d) {
 	if(d == 'x') {
-		if(vx == -1) vx = 1;
-		else if (vx == 1) vx = -1;
+		vel.x *= -1;
 	} else if(d == 'y') {
-		if(vy == -1) vy = 1;
-		else if (vy == 1) vy = -1;
+		vel.y *= -1;
 	}
 }
 
@@ -159,18 +145,17 @@ Block::~Block() {
 	}
 }
 
-Block::Block(int size, int row, int col, char symbol) {
-	_size = size;
-	m_nodes = new vec2*[size];
-	for(int i = 0; i < size; i++) {
-		m_nodes[i] = new vec2 { row, col + i, symbol };
+Block::Block(vec2 pos, char symbol) {
+	for(int i = 0; i < m_nodes.size(); i++) {
+		m_nodes[i].set(pos.x + i, pos.y);
+		m_nodes[i].m_symbol = symbol;
 	}
 }
 
 bool Block::check_collision(Ball &ball) {
-	for(int i = 0; i < _size; i++) {
-		if(m_nodes[i]->x != ball.m_origin->x) continue;
-		if(m_nodes[i]->y != ball.m_origin->y) continue;
+	for(int i = 0; i < m_nodes.size(); i++) {
+		if(m_nodes[i] != ball.m_origin) continue;
+		if(m_nodes[i] != ball.m_origin) continue;
 		return true;
 	}
 	return false;