function setup() {

  createCanvas(400, 400, WEBGL);

  surface = loadImage('image.jpg');

}

​

function draw() {

  background(0);

  texture(surface);

  scale(2);

  rotateY(frameCount * 0.01);

  box(200);

  camera(mouseX-600,3*mouseY-600,400);

  rot = rot + 0.01;

}