sketch-a-day/s153/s153.pyde

74 wiersze
2.1 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
SKETCH_NAME, OUTPUT = "s153", ".gif" # 180602
add_library('gifAnimation')
from gif_export_wrapper import *
GRID_SIZE = 30
def setup():
size(500, 500)
background(0)
print_text_for_readme(SKETCH_NAME, OUTPUT)
border = 25
spacing = (width - border * 2) / GRID_SIZE
Ponto.spacing = spacing
a = 0
while a < TWO_PI:
x = cos(a) * spacing * 10
y = sin(a) * spacing * 10
Ponto.PONTOS.append(Ponto(width/2 + x, height/2 + y))
a += TWO_PI/60.
def draw():
#fill(200, 4)
#noStroke()
#rect(0, 0, width, height)
for p in Ponto.PONTOS:
p.update()
for p in Ponto.PONTOS:
p.plot()
#noLoop()
if frameCount > 200 and frameCount % 2:
gif_export(GifMaker, frames=200, filename=SKETCH_NAME)
class Ponto():
PONTOS = []
def __init__(self, x, y):
self.tx = int(random(100))
self.ty = int(random(100))
self.speed = 0.02
self.space = Ponto.spacing * 5
self.ox = x - self.space*noise(self.tx)
self.oy = y - self.space*noise(self.ty)
def update(self):
if frameCount > 300: rs = self.speed
else: rs = -self.speed
self.tx += rs
self.x = self.space*noise(self.tx)
self.ty += rs
self.y = self.space*noise(self.ty)
self.px = self.ox + self.x
self.py = self.oy + self.y
def plot(self):
for p in Ponto.PONTOS:
if p != self and dist(p.px, p.py,
self.px, self.py) < Ponto.spacing * 3:
if frameCount % 2: # só desenha a linha um frame sim outro não
colorMode(HSB)
stroke(4 * (frameCount % 64), 255, 255)
line(p.px, p.py, self.px, self.py)
def print_text_for_readme(name, output):
println("""
![{0}]({0}/{0}{2})
{1}: [code](https://github.com/villares/sketch-a-day/tree/master/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
""".format(name, name[1:], output)
)