Diff: PongEngine/PongEngine.cpp

Revision:

4:6bd488b5b31a

Parent:

3:5719d0fe94ed

Child:

6:7f79f320b827

--- a/PongEngine/PongEngine.cpp	Thu Apr 18 22:04:36 2019 +0000
+++ b/PongEngine/PongEngine.cpp	Fri Apr 19 12:30:58 2019 +0000
@@ -86,6 +86,7 @@
 
     check_wall_collision(pad);
     check_paddle_collisions(pad);
+    check_brick_collisions(pad);
 }
 
 void PongEngine::check_wall_collision(Gamepad &pad)
@@ -120,6 +121,7 @@
     // update ball parameters
     _ball.set_velocity(ball_velocity);
     _ball.set_pos(ball_pos);
+    
 }
 
 void PongEngine::check_paddle_collisions(Gamepad &pad)
@@ -133,12 +135,12 @@
 
     // see if ball has hit the paddle by checking for overlaps
     if (
-        (ball_pos.y >= p1_pos.x) && //left
-        (ball_pos.y <= p1_pos.x + _paddle_width) && //right
-        (ball_pos.x >= _p1y) && //bottom
-        (ball_pos.x <= _p1y + _paddle_height)  //top
-    ) {
-        // if it has, fix position and reflect x velocity
+        (ball_pos.x >= p1_pos.x) && //left
+        (ball_pos.x <= p1_pos.x + _paddle_width) && //right
+        (ball_pos.y >= _p1y) && //bottom
+        (ball_pos.y <= _p1y + _paddle_height)  //top
+    ) {    // edit this so that if it hits the middle, reflect, else change angle depending on how far off centre (add angle to ball)
+        // if it has, fix position and reflect x velocity  
         ball_pos.y = _p1y + _paddle_height;
         ball_velocity.y = -ball_velocity.y;
         // audio feedback
@@ -150,6 +152,35 @@
     _ball.set_pos(ball_pos);
 }
 
+void PongEngine::check_brick_collisions(Gamepad &pad)
+{
+    // read current ball attributes
+    Vector2D ball_pos = _ball.get_pos();
+    Vector2D ball_velocity = _ball.get_velocity();
+
+    // check p1 first
+    Vector2D _grid1_pos = _grid1.get_pos();
+
+    // see if ball has hit the paddle by checking for overlaps
+    if (
+        (ball_pos.x >= _grid1_pos.x) && //left
+        (ball_pos.x <= _grid1_pos.x + WIDTH_BRICK) && //right
+        (ball_pos.y >= _grid1_pos.y) && //bottom
+        (ball_pos.y <= _grid1_pos.y + HEIGHT_BRICK)  //top
+    ) {    // edit this so that if it hits the middle, reflect, else change angle depending on how far off centre (add angle to ball)
+        // if it has, fix position and reflect x velocity  
+        ball_pos.y = _grid1_pos.y;
+        ball_velocity.y = -ball_velocity.y;
+        // audio feedback
+        pad.tone(1000.0,0.1);
+    }
+
+    // write new attributes
+    _ball.set_velocity(ball_velocity);
+    _ball.set_pos(ball_pos);
+    _grid1.hit();
+}
+
 void PongEngine::check_goal(Gamepad &pad)
 {
     Vector2D ball_pos = _ball.get_pos();