Bouncing Ball

int xPos1;

int yPos1;

int dia1;

int velocity;

​

void setup() {

  size (500, 500);

  background (255);

​

  xPos1 = width/2;

  yPos1 = height/2;

  dia1 = 50;

  velocity = 5;

}

​

void draw () {

  xPos1 += velocity;

  background (255);  

  fill (100);

​

  if (xPos1 >= 500) {

   velocity=-velocity;

    println (xPos1);

  }

  else if (xPos1 <= 5) {

    velocity=-velocity;

  }

  ellipse (xPos1, yPos1, dia1, dia1);

}

​

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