homework week 4 question

homework 4

global circleX, direction
circleX = 500
direction = 8

global circletwoX, directiontwo
circletwoX = 450
directiontwo = 3

global circlethreeX, directionthree
circlethreeX = 550
directionthree = 6


def setup():
    size (600, 600)
    noStroke
    
def draw():
    global circleX, direction
    background(255, 255, 255)
    img = loadImage("cat-raster-image.png")
    image(img, 0, 0, 600, 600)
    fill(165, 131, 98)
    ellipse(circleX, 500, 50, 50)
    circleX = circleX + direction
    if circleX > 500:
        direction = -15
    if circleX < 120:
        direction = 15
        
    global circletwoX, directiontwo
    fill(252, 222, 240)
    ellipse(circletwoX, 450, 60, 60)
    circletwoX = circletwoX + directiontwo
    if circletwoX > 520:
        directiontwo = -10
    if circletwoX < 150:
        directiontwo = 10
        
    fill(236, 214, 255)
    circle(335, 350, 35)
    
 if mousePressed:
        global circlethreeX, directionthree
        fill(176, 211, 252)
        ellipse(circlethreeX, 550, 40, 40)
        circlethreeX = circlethreeX + directionthree
        if circlethreeX > 600:
            directionthree = -10
        if circlethreeX < 0:
            directionthree = 10

Hello,
All those corrections worked; thank you! @rors