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var time = 0;
function setup() {
createCanvas(500, 500);
background(100);
}
function draw() {
background(0);
ellipse(xPos(time), yPos(time), 50, 50);
ellipse(xPos(time + 10), yPos(time + 10), 50, 50);
ellipse(xPos(time + 20), yPos(time + 20), 50, 50);
time = time +1;
}
function xPos(time)
{
return 250 + sin(time/10)*100;
}
function yPos(time)
{
return 250 + cos(time/10)*100;
}