HW (extra credit) - Simple Breakout Code using Mouse

mySketch
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float bx, by, bxsp, bysp, br;   // ball variables
​
float rx, ry, rw, rh;           // rectangle 1 variables (bricks)
boolean rect1Active = true;     // Makes sure rectangle 1 is present
​
float rx2, ry2, rw2, rh2;       // rectangle 2 variables (bricks)
boolean rect2Active = true;     // makes sure rectangle 2 is present
​
float paddlex, paddley, paddlew, paddleh;  // paddle
​
void setup() {
  size(300, 500);
​
  // Ball values
  bx = 50 + random(50);
  by = 400 + random(50);
  bxsp = 3;
  bysp = bxsp;
  br = 10;
​
  // Rectangle 1 (or a Brick) Values
  rx = 20;
  ry = 80;
  rw = 50;
  rh = 20;
  
  // rectangle 2 (or the other brick) values
  rx2 = 200;
  ry2 = 120;
  rw2 = 50;
  rh2 = 20;
  
  // White Paddle at the bottom of screen
  paddley = 440;
  paddlew = 100;
  paddleh = 20;
}
​
void draw() {
  bx = bx + bxsp;
  by = by + bysp;
  
  paddlex = mouseX;   // I want to move the paddle with mouse
 
    background(0);
​
  // hit detection on rectangle 1
  if ( rect1Active && (bx > rx - br) && (bx < rx + rw + br) &&
    (by > ry - br) && (by < ry + rh + br) ) {
    rect1Active = false;
​
    if (bx < rx) { //left
      bxsp = -3;
      bx = rx - br;
    } else if (bx > rx+rw) { //right
      bxsp = 3;
      bx = rx + rw + br;
    } else if (by < ry) { //top
      bysp = -3;
      by = ry - br;
    } else if (by > ry) { //bottom
      bysp = 3;
      by = ry + rh + br;
    }
  }
​
  // hit detection on rectangle 2
  if ( rect2Active && (bx > rx2 - br) && 
  (bx < rx2 + rw2 + br) &&
    (by > ry2 - br) && 
    (by < ry2 + rh2 + br) ) {
    rect2Active = false;
​
    if (bx < rx2) { //left
      bxsp = -3;
      bx = rx2 - br;
    } else if (bx > rx2+rw2) { //right
      bxsp = 3;
      bx = rx2 + rw2 + br;
    } else if (by < ry2) { //top
      bysp = -3;
      by = ry2 - br;
    } else if (by > ry2) { //bottom
      bysp = 3;
      by = ry2 + rh2 + br;
    }
  }
  
  // hit detection on paddle
  if ( (bx > paddlex - br) && (bx < paddlex + paddlew + br) &&
    (by > paddley - br) && (by < paddley + paddleh + br) ) {
​
    if (bx < paddlex) { //left
      bxsp = -3;
      bx = paddlex - br;
    } else if (bx > paddlex+paddlew) { //right
      bxsp = 3;
      bx = paddlex + paddlew + br;
    } else if (by < paddley) { //top
      bysp = -3;
      by = paddley - br;
    } else if (by > paddley) { //bottom
      bysp = 3;
      by = paddley + paddleh + br;
    }
  }
​
  //bounce off screen sides
  if (bx-br > width || bx+br < 0) {
    bxsp *=-1;
  }
  if (by > height || by < 0) {
    bysp *=-1;
  }
​
  ellipse(bx, by, br*2, br*2);
  if (rect1Active) {
    fill( 0, 133, 100);
    rect(rx, ry, rw, rh);
  }
​
  if (rect2Active) {
    fill( 200, 133, 100);
    rect(rx2, ry2, rw2, rh2);
  }
  
  fill(255);
  rect(paddlex, paddley, paddlew, paddleh);
}
​
void mousePressed() {
  //reset
  rect1Active = true;
  rect2Active = true;
}