sketch-a-day/s147/s147.pyde

79 wiersze
2.3 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
SKETCH_NAME, OUTPUT = "s147", ".gif" # 180527
add_library('gifAnimation')
from gif_export_wrapper import *
GRID_SIZE = 50
def setup():
size(500, 500)
print_text_for_readme(SKETCH_NAME, OUTPUT)
border = 20
spacing = (width - border * 2) / GRID_SIZE
Ponto.spacing = spacing
for j in range(GRID_SIZE):
for i in range(GRID_SIZE):
Ponto.PONTOS.append(Ponto(border + spacing / 2 + i * spacing,
border + spacing / 2 + j * spacing)
)
for p in Ponto.PONTOS:
p.set_neighbours()
def draw():
background(0)
for p in Ponto.PONTOS:
p.update()
if frameCount > 100 and not frameCount % 2:
gif_export(GifMaker, frames=200, filename=SKETCH_NAME)
class Ponto():
PONTOS = []
def __init__(self, x, y):
self.x = x
self.y = y
self.px = x
self.py = y
def set_neighbours(self):
self.ort_ngb = [] # orthogonal neighbours
self.dia_ngb = [] # diagonal neighbours
for p in Ponto.PONTOS:
d = dist(p.px, p.py, self.px, self.py)
if Ponto.spacing * 1.41 < d < Ponto.spacing * 1.42:
self.dia_ngb.append(p)
elif d < Ponto.spacing * 1.41:
self.ort_ngb.append(p)
def update(self):
rx = random(-0.5, 0.5)
ry = random(-0.5, 0.5)
if abs(self.px + rx - self.x) < Ponto.spacing * 0.25:
self.px += rx
if abs(self.py + ry - self.y) < Ponto.spacing * 0.25:
self.py += ry
self.plot()
def plot(self):
for p in self.ort_ngb + self.dia_ngb:
d = dist(p.px, p.py, self.px, self.py)
if Ponto.spacing * .9 < d <= Ponto.spacing * 1.2:
stroke(128, 0, 0)
line(p.px, p.py, self.px, self.py)
elif d < Ponto.spacing * 0.9:
stroke(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)
)