sketch-a-day/2019/sketch_190217a/sketch_190217a.pyde

142 wiersze
4.4 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
SKETCH_NAME, OUTPUT = "sketch_190217a", ".gif"
"""
Like 190215 but using the rounded poly from 190216
"""
from collections import namedtuple
import random as rnd
import copy as cp
from gif_exporter import gif_export
from arcs import var_bar, poly_rounded2
add_library('peasycam')
add_library('GifAnimation')
SPACING, MARGIN = 200, 100
X_LIST, Y_LIST = [], [] # listas de posições para elementos
desenho_atual, outro_desenho, desenho_inter, desenho_inicial = [], [], [], []
NUM_NODES = 2 # número de elementos do desenho / number of nodes
Node = namedtuple(
'Node', 'x y tam points_to')
save_frames = False
strips = 10
def setup():
smooth(16)
size(600, 600, P3D)
colorMode(HSB)
rectMode(CENTER)
noFill()
cam = PeasyCam(this, 600)
X_LIST[:] = [x for x in range(MARGIN, 1 + width - MARGIN, SPACING)]
Y_LIST[:] = [y for y in range(MARGIN, 1 + height - MARGIN, SPACING)]
novo_desenho(desenho_atual)
desenho_inicial[:] = cp.deepcopy(desenho_atual)
println("'s' to save, and 'n' for a new drawing")
def draw():
global strips, desenho_atual, outro_desenho
translate(-width/2, -height/2)
background(200)
fc = -1 # frameCount % 200 - 100
if fc < 0:
desenho = desenho_atual
elif 0 <= fc < 99:
# if frameCount % 10 == 0:.
make_inter_nodes(map(fc, 0, 100, 0, 1))
desenho = desenho_inter
elif fc == 99:
desenho_atual, outro_desenho = outro_desenho, desenho_atual
desenho = desenho_atual
if not mousePressed:
make_nodes_point(outro_desenho)
else:
print("will reset")
outro_desenho[:] = cp.deepcopy(desenho_inicial)
desenho_plot(desenho)
# if frameCount % 4 == 0:
# gif_export(GifMaker, filename=SKETCH_NAME, delay=200)
# #strips += 1
def keyPressed():
global save_frames
if key == 'g':
gif_export(GifMaker, filename=SKETCH_NAME)
# save_frames = not save_frames
# print "Saving "+repr(save_frames)
if key == 'r':
make_nodes_point(desenho_atual)
if key == 'n':
novo_desenho(desenho_atual)
if key == ' ':
background(200)
def novo_desenho(desenho):
"""
esvazia a lista elementos (setas e linhas) do desenho anterior
clears the list of nodes and creates a a new drawing appending desenho_atual,
a list of nodes/drawing elements: specials, connecting lines and lonely nodes
"""
desenho[:] = []
for _ in range(NUM_NODES):
desenho.append(new_node())
make_nodes_point(desenho)
outro_desenho[:] = cp.deepcopy(desenho)
make_nodes_point(outro_desenho)
def new_node():
return Node( # elemento/"nó" uma namedtuple com:
rnd.choice(X_LIST), # x
rnd.choice(Y_LIST), # y
rnd.choice([2, 4, 6]), # tam
[] # points_to... (lista com ref. a outro elem.))
)
def make_nodes_point(desenho):
for node in desenho: # para cada elemento do desenho
node.points_to[:] = []
node.points_to.append(new_node())
node.points_to.append(new_node())
def desenho_plot(d):
for node in d:
p1, p2 = node.points_to # se estiver apontando para alguém
# strokeWeight(node.tam)
with pushMatrix():
for i in range(10):
# stroke(0 + i * 8)
strokeWeight(2)
translate(0, 0, -node.tam*5)
rs = [(node.tam + i) * strips,
(p1.tam + i) * strips,
(p2.tam + i) * strips,]
poly_rounded2([node, p1, p2], rs)
def mouseWheel(E):
global strips
strips += int(E.getAmount())
print(strips)
def make_inter_nodes(amt):
desenho_inter[:] = []
for n1, n2 in zip(desenho_atual, outro_desenho):
desenho_inter.append(Node( # elemento/"nó" uma namedtuple com:
n1.x, # x
n1.y, # y
n1.tam, # tam
# cp.deepcopy(n1.points_to)
[PVector(lerp(p1.x, p2.x, amt), lerp(p1.y, p2.y, amt))
for p1, p2 in zip(n1.points_to, n2.points_to)]
))
# print text to add to the project's README.md
def settings():
println(
"""
![{0}](2019/{0}/{0}{1})
[{0}](https://github.com/villares/sketch-a-day/tree/master/2019/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
""".format(SKETCH_NAME, OUTPUT)
)