def setup ():
    size(500, 500)
    smooth()
    strokeWeight(30)
    background(0)
    
i=0
k=1
def draw ():
    global i, k
    stroke(i, 20)
    line(mouseX -50,mouseY -50, 100+mouseX -50, 100+mouseY -50)
    line(100+mouseX -50,mouseY -50, mouseX -50, 100+mouseY -50)
    i=i+k
    if(i == 255):
       k=-1
 
    if(i == 0):
       k=1

4794a6c7e5d6169ff1c63d9b1cc24b6a765befb2
<mask token>

def setup():
    size(500, 500)
    smooth()
    strokeWeight(30)
    background(0)


<mask token>

def setup():
    size(500, 500)
    smooth()
    strokeWeight(30)
    background(0)


<mask token>


def draw():
    global i, k
    stroke(i, 20)
    line(mouseX - 50, mouseY - 50, 100 + mouseX - 50, 100 + mouseY - 50)
    line(100 + mouseX - 50, mouseY - 50, mouseX - 50, 100 + mouseY - 50)
    i = i + k
    if i == 255:
        k = -1
    if i == 0:
        k = 1

def setup():
    size(500, 500)
    smooth()
    strokeWeight(30)
    background(0)


i = 0
k = 1


def draw():
    global i, k
    stroke(i, 20)
    line(mouseX - 50, mouseY - 50, 100 + mouseX - 50, 100 + mouseY - 50)
    line(100 + mouseX - 50, mouseY - 50, mouseX - 50, 100 + mouseY - 50)
    i = i + k
    if i == 255:
        k = -1
    if i == 0:
        k = 1

def setup ():
    size(500, 500)
    smooth()
    strokeWeight(30)
    background(0)
    
i=0
k=1
def draw ():
    global i, k
    stroke(i, 20)
    line(mouseX -50,mouseY -50, 100+mouseX -50, 100+mouseY -50)
    line(100+mouseX -50,mouseY -50, mouseX -50, 100+mouseY -50)
    i=i+k
    if(i == 255):
       k=-1
 
    if(i == 0):
       k=1
