sketch-a-day/s099/s099.pyde

74 wiersze
2.5 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
SKETCH_NAME = "s099" # 180409
add_library('serial') # import processing.serial.*;
add_library('arduino') # import cc.arduino.*;
add_library('gifAnimation')
from gif_exporter import *
from inputs import *
def setup():
global input, GIF_EXPORT
size(600, 600)
rectMode(CENTER) # retângulos desenhados pelo centro
noFill() # sem contorno
frameRate(30)
strokeWeight(3)
GIF_EXPORT = False
# Ask user for Arduino port, uses slider if none is selected`
input = Input(Arduino, slider_pins=[1, 2, 3, 4])
def draw():
background(127) # fundo cinza claro
grid_elem = int(input.analog(1) / 16) # 0 a 63 linhas e colunas na grade
elem_size = int(input.analog(2) / 16) # 0 a 63 tamanho base dos quadrados
rand_size = int(input.analog(3) / 16) # escala a randomização do tamanho
rand_posi = int(input.analog(4) / 16) # escala a randomização da posição
# trava a random entre os ciclos de draw
# mas varia com o número de colunas na grade
randomSeed(int(input.analog(1)) / 4)
# espaçamento entre os quadrandos
spac_size = int(width / (grid_elem + 1))
for x in range(spac_size / 2, width, spac_size): # um x p/ cada coluna
for y in range(spac_size / 2, width, spac_size): # um y p/ cada linha
# sorteia um tamanho (se o rand_size > 0)
final_size = elem_size + rand_size * random(-1, 1)
offsetX = rand_posi * random(-1, 1)
offsetY = rand_posi * random(-1, 1)
H = map(offsetX + offsetY, -128, 127, 0, 255)
S = map(final_size, 0, 63, 0, 255)
stroke(S)
#print(H, S)
ellipse(x + offsetX, # desenha um quadrado
y + offsetY,
final_size,
final_size)
# uncomment next lines to export GIF
global GIF_EXPORT
if not frameCount % 20 and GIF_EXPORT:
GIF_EXPORT = gif_export(GifMaker,
frames=1000,
delay=300,
filename=SKETCH_NAME)
# Updates reading or draws sliders and checks mouse dragging / keystrokes
input.update()
def keyPressed():
global GIF_EXPORT
if key == 'p': # save PNG
saveFrame("####.png")
if key == 'g': # save GIF
GIF_EXPORT = True
if key == 'h':
input.help()
input.keyPressed()
def keyReleased():
input.keyReleased()