const objectsize    = 200;      // size of object   

const anglechange   = 0.01;     // how much the rotate angle changes each step 

var angle = 0;                  // rotate angle starts at 0  


function setup()        // "setup" is called once at start of run 
{
  createCanvas ( ABWorld.fullwidth(), ABWorld.fullheight(),  WEBGL );
}

function draw()         // "draw" is called every timestep during run 
{
    background("lightblue");    // background color 
    fill("navy");               // paint box with this color 
           
    rotateX(angle);             // set each dimension rotation angle to "angle"
    rotateY(angle);
    rotateZ(angle);
  
    box(objectsize);            // draw a cube of this size 
  
    angle = angle + anglechange ;       // change angle each step to get rotate movement
}