Ball Wrap Code

//I'm using floats here so you can have more control over speed

float ballX;

float ballY;

float ballXSpeed = 2.5;

float ballYSpeed = 3;

​

void setup() {  //setup function called initially, only once

  size(640, 480);

}

​

void draw() {  //draw function loops 

  background(255);

  ballX = ballX + ballXSpeed;

  ballY = ballY + ballYSpeed;

  fill(100, 40, 200);

  ellipse(ballX, ballY, 20, 20);

  //wrap screen on X axis

  if (ballX > width) {

      ballX = 0;

      }

  if (ballX < 0) {

      ballX = width;

  }

  //wrap screen on Y axis

  if (ballY > height) {

      ballY = 0;

      }

  if (ballY < 0) {

      ballY = height;

  }

}