sketch-a-day/s041/s041.pyde

63 wiersze
1.8 KiB
Python

"""
sketch 41 180210a - Alexandre B A Villares
https://abav.lugaralgum.com/sketch-a-day
"""
LIST = []
def setup():
size(512, 512)
ellipseMode(CORNER)
noStroke()
colorMode(HSB)
strokeWeight(2)
LIST.append(Cell(size=width)) # repare no "named argument"
def draw():
background(255)
for cell in LIST:
cell.update()
def keyPressed():
if key == " ":
LIST[:] = [Cell(size=width)]
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(100, 200),200, 200)
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:
ellipse(self.x, self.y, self.size, self.size)
else:
rect(self.x, self.y, self.size, self.size)
def divide(self):
x, y, new_size = self.x+2, self.y+2, self.size / 2 -2
if new_size > 0:
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