​

function setup(){

  createCanvas(windowWidth, windowHeight);

​

  strokeWeight(4);

}

​

function draw() {  

  noFill();

  stroke(map(sin(frameCount/100), 0, 1, 0, 255), 50, 100, 255);

  ellipse(mouseX, mouseY, ellipseWidth, ellipseWidth, 200);

  // fill (255, 255, 255, map(sin(frameCount/50000), 0, 1, 0, 255));

  // rect(-10, -10, windowWidth+10, windowHeight+10);

  background(map(sin(frameCount/200), 0, 1, 0, 255), map(sin(frameCount/100), 0, 1, 150, 255), map(sin(frameCount/300), 0, 1, 100, 200), 5);

  // background(255, 255, 255, 2);

​

}

​

/*

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

}

*/