xxxxxxxxxx
//video explanantion:
//https://vimeo.com/458287403
function setup() {
createCanvas(400, 400);
}
function draw() {
background(255);
fill (100);
if (mouseX>200){
fill (255,0,0);
}//close if
ellipse(width/2,height/2, 100, 100);
}//close draw