fix: blocks have proper collision and can be broken. Basically done.

src/elements.cpp

@@ -20,7 +20,7 @@ Paddle::Paddle() {
 	_size = 3;
 	m_nodes[0].m_col = 6;
 	for(int i = 0; i < _size; i++) {
-		m_nodes[i].m_row = 8;
+		m_nodes[i].m_row = ROW - 2;
 	}
 }
 
@@ -57,7 +57,7 @@ void Ball::change_velocity(char d) {
 }
 
 void Ball::check_collision(int &lives) {
-	if(m_origin.m_row <= 0 || m_origin.m_row >= ROW -1) {
+	if(m_origin.m_row <= 0) {
 		change_velocity('y');
 	} if(m_origin.m_col <= 0 || m_origin.m_col >= COL -1) {
 		change_velocity('x');
@@ -78,6 +78,7 @@ void Ball::get_new_pos() {
 
 Block::Block(char symbol, int row, int col) {
 	_size = 3;
+	_deleted = false;
 	m_symbol = symbol;
 	m_nodes[0].m_col = col;
 	for(int i = 0; i < _size; i++) {
@@ -90,3 +91,21 @@ void Block::get_pos() {
 		m_nodes[i].m_col = m_nodes[0].m_col + i;	
 	}
 }
+
+void Block::_delete() {
+	for(int i = 0; i < _size; i++) {
+		m_nodes[i].assign(ROW - 1, COL - 1);
+	}
+}
+
+void Block::check_collision(Ball &ball, int &blocks_left) {
+	for(int i = 0; i < _size; i++) {
+		if(m_nodes[i].m_col == ball.m_origin.m_col) {
+			if(m_nodes[i].m_row == ball.m_origin.m_row) {
+				ball.change_velocity('y');
+				_delete();
+				blocks_left--;
+			}
+		}
+	}
+}