createCanvas(windowWidth, windowHeight);

}

​

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

}

​

function keyPressed(){

  if (key == ' '){ 

    let fs = fullscreen();

    fullscreen(!fs);

  }  

}

​

​

//////////////////////////////////////////////

function draw() {

  background(mouseX, mouseY, 200); // replace

}

​