0421p01 - OpenProcessing

mySketch
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int x;//shape
int y;
int n=10;//size
int xMovement= 3;//moving
int yMovement=3;//moving
int xSpeed= 1;//left
int ySpeed= 1;//top
​
​
void setup() {
  size(800, 600);
  frameRate(60);
  x=width/2;
  y=height/2;
  background(255);
}
void draw() {
  move();
  bounce();
  ball();
}
​
void mousePressed() { 
  xMovement=xMovement+1;
  yMovement=yMovement+1;
  n=n+5;
  if (n>=100) {
    n=5;
  }
}
​
void keyPressed() {
  while (mouseX<=width/2) {
    background (255);
    break;
  }
}
​
void ball() {
  ellipse(x, y, n, n);
  //line(width/2, height/2, x, y);
}
void move() {
  x=x+(xMovement * xSpeed);
  y=y+(yMovement * ySpeed);
}
void bounce() { 
  if (x > width ) {
    xSpeed *= -1;
  } else if (x<n) {
    xSpeed*=-1;
  }
  if (y > height || y < n) {
    ySpeed *= -1;
  } else {
    //fill(random(255), random(255), random(255), random(255));
  }
}
​