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let circleX = 100,
movingForward = true,
circleY = 50,
movingUp = true,
circleDiameter = 10,
circleRadius = circleDiameter / 2;
function setup() {
createCanvas(600, 600);
}
function draw() {
background(0);
fill(255);
circle(circleX, circleY, circleDiameter);
moving();
}
function moving() {
if (movingForward) {
if (circleX + circleRadius < width) {
circleX += 5;
} else {
movingForward = false;
}
} else {
if (circleX - circleRadius > 0) {
circleX -= 5;
} else {
movingForward = true;
}
}
if (movingUp) {
if (circleY + circleRadius < height) {
circleY += 3;
} else {
movingUp = false;
}
} else {
if (circleY - circleRadius > 0) {
circleY -= 3;
} else {
movingUp = true;
}
}
}