Code Sketch

xlbb-2
By: xlbb
Category: Art
clear()
setAnimationDelay(260)
def DEF(s:Int,x:Color)={
    setFillColor(x)
    repeat(4){
    forward(s)
    left(90)
    } 
}
setBackground(green)
DEF(100,pink)
setPosition(100,0)
DEF(100,blue)
setPosition(0,-100)
DEF(100,black)
setPosition(100,-100)
DEF(100,red)
invisible()