sketch-a-day/s211/s211.pyde

101 wiersze
2.9 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
# s211 20180728
from gif_export_wrapper import *
add_library('gifAnimation')
add_library('peasycam')
GRID_SIZE = 17 # 16 and "odds" on the exported GIF
SKETCH_NAME = "s211"
OUTPUT = ".gif"
def setup():
# print_text_for_readme(SKETCH_NAME, OUTPUT)
size(700, 700, P3D)
hint(ENABLE_DEPTH_SORT)
# optional PeasyCam setup to allow orbiting with a mouse drag
cam = PeasyCam(this, 100)
cam.setMinimumDistance(1000)
cam.setMaximumDistance(1000)
# sets border and grid spacing
Node.border = 50
Node.spacing = (width - Node.border * 2) / GRID_SIZE
# Node.nodes is a list of nodes in a 3D grid
for x in range(GRID_SIZE):
for y in range(GRID_SIZE):
for z in range(GRID_SIZE):
Node.nodes.append(Node(x, y, z))
# Node.evens is a list of spaced nodes on the grid
Node.evens = [node for node in Node.nodes
if node.ix % 2 == 0 and
node.iy % 2 == 0 and
node.iz % 2 == 0]
for node in Node.evens:
node.cor = color(0, 0, 255)
def draw():
lights()
# arbitray rotation
rotate(-1, 1/2, 1, 1/2)
background(100)
# angle based on frameCount to animate box sizes
ang = frameCount/10.
for node in Node.nodes:
node.plot()
node.update(ang)
# stop after a full size animatiom cycle
# if ang < TWO_PI:
# gif_export(GifMaker)
# else:
# gif_export(GifMaker, finish=True)
class Node():
nodes = []
evens = []
def __init__(self, x, y, z):
self.ix = x
self.iy = y
self.iz = z
self.x = Node.border + Node.spacing / 2 + x * Node.spacing - width / 2
self.y = Node.border + Node.spacing / 2 + y * Node.spacing - width / 2
self.z = Node.border + Node.spacing / 2 + z * Node.spacing - width / 2
self.size_ = 1
self.cor = None
self.update(0)
def plot(self):
""" draws box """
if self.cor:
stroke(0)
fill(self.cor)
else:
stroke(0)
fill(255, 100)
with pushMatrix():
translate(self.x, self.y, self.z)
box(Node.spacing * self.size_)
def update(self, ang):
""" changing box size """
self.size_ = sin(self.x + self.y + self.z + ang)
def keyPressed():
""" press P to save an image """
if key in ['p', 'P']:
saveFrame("####" + SKETCH_NAME + OUTPUT)
def print_text_for_readme(name, output):
""" prints text in the console to add to project README.md """
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)
)