# beacons in NodeBox

size(300,300)
speed(100)
class beacon():
    def __init__(self):
        self.posx = random(105,WIDTH - 105)
        self.posy = random(105,HEIGHT - 105)
        self.red = random(0,100) / 100.0
        self.blue = random(0,100) / 100.0
        self.green = random(0,100) / 100.0
        if self.red == self.blue == self.green == 1.0: self.red = 0
#        self.xcoeff = (-1) ** random(0,1)
#        self.ycoeff = (-1) ** random(0,1)

def setup():
    global frame,beacons
    beacons = []
    frame = 1
    for i in range(3):
        beacons.append(beacon())

def draw():
    global frame,beacons
    for b in beacons:
        opacity = frame % 100
        fill(b.red,b.green,b.blue,1 - opacity / 100.0)
        oval(b.posx - opacity / 2.0,b.posy - opacity / 2.0,5 + opacity,5 + opacity)
        fill(b.red,b.green,b.blue)
        oval(b.posx,b.posy,5,5)
#        b.posx += 1 * b.xcoeff
#        b.posy += 1 * b.ycoeff
#        if not (5 < b.posx < WIDTH): b.xcoeff *= -1
#        if not (5 < b.posy < HEIGHT): b.ycoeff *= -1
    frame += 1