sketch-a-day/sketch_180208e/sketch_180208e.pyde

57 wiersze
1.6 KiB
Python

"""
sketch 39 180208e - Alexandre B A Villares
https://abav.lugaralgum.com/sketch-a-day
"""
LIST = []
def setup():
size(512, 512)
ellipseMode(CORNER)
noStroke()
LIST.append(Cell(size=width)) # repare no "named argument"
def draw():
background(0)
for cell in LIST:
cell.update()
class Cell():
# os parâmetros default servem também de "named arguments"
def __init__(self, x=0, y=0, size=1):
self.LIST = []
self.x = x
self.y = y
self.size = size
self.color = color(random(256))
def update(self):
self.draw()
if not self.LIST: # para listas vazias (células sem sub-células)
if mousePressed and self.on_mouse():
self.divide()
else: # senão update as sub-células!
for cell in self.LIST:
cell.update()
def draw(self):
fill(self.color)
if keyPressed:
rect(self.x, self.y, self.size, self.size)
else:
ellipse(self.x, self.y, self.size, self.size)
def divide(self):
x, y, new_size = self.x, self.y, self.size / 2
if new_size > 2:
self.LIST.append(Cell(x, y, new_size))
self.LIST.append(Cell(x + new_size, y, new_size))
self.LIST.append(Cell(x, y + new_size, new_size))
self.LIST.append(Cell(x + new_size, y + new_size, new_size))
def on_mouse(self):
if (self.x < mouseX < self.x + self.size and
self.y < mouseY < self.y + self.size):
return True
# implícito (seria o else) Python retorna None que é considerado False