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var x = 173;
var y = 20;
var z = 0;
var a = 0;
var changeX = 1;
var changeY = 0;
var rot1 = 0;
var rot2 = 0;
function setup() {
createCanvas(400, 400);
background (0);
stroke (255);
}
function draw() {
fill(8,255,8);
background(0,0,0,10);
translate (100,200);
rotate(rot1);
ellipse(z,a,200,10);
rotate(-rot1);
translate(-100,-200);
translate(300,200);
rotate(rot2);
ellipse(z,a,200,10);
rotate(-rot2);
translate(-300,-200);
rot1 = rot1 + 0.03;
rot2 = rot2 - 0.03;
fill("white");
ellipse(x,y,30,30);
x = x + changeX;
y = y + changeY;
changeY = changeY + 0.02;
if(x > 400){
changeX = -1;
}
if (x < 0){
changeX = 1;
}
if (y > 400){
changeY = -changeY;
}
}