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var xPos;
var yPos;
var xSpeed;
var ySpeed;
function setup() {
createCanvas(600, 200);
fill(255);
xPos = 0;
yPos = 50;
xSpeed = 4;
ySpeed = 4;
noStroke();
}
function draw() {
background(244, 132, 140);
xPos += xSpeed;
if(xPos > width){
//xPos = 0;
xSpeed = -4;
} else if(xPos < 0){
xSpeed = 4;
}
yPos += ySpeed;
if(yPos > height){
ySpeed = -4;
} else if(yPos < 0){
ySpeed = 4;
}
ellipse(xPos, yPos, 30, 30);
}