sketch-a-day/2018/s093/s093.pyde

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# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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SKETCH_NAME = "s093" # 180403
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add_library('serial') # import processing.serial.*;
add_library('arduino') # import cc.arduino.*;
add_library('gifAnimation')
from gif_exporter import gif_export
from graphs import *
from parameters import *
def setup():
frameRate(30)
global A, B, C, D
# Ask user for Arduino port, cancel will return `None`
port = Inputs.select_source(Arduino)
# `None` will activate Sliders
A, B, C, D = Inputs.setup_inputs(port)
size(400, 400)
def draw():
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background(0)
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TAM_BARRA = A.val / 4
NUM_PONTOS = int(B.val / 4)
VEL_MAX = C.val / 128
NUM_CONNECT = 1+ int(D.val / 256) # % of connections
# para cada ponto
for ponto in Ponto.SET:
ponto.desenha() # desenha
ponto.move(VEL_MAX) # atualiza posição
# para cada aresta
# checa se há Arestas com Pontos já removidos
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COM_ARESTAS = set()
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for aresta in Aresta.ARESTAS:
if (aresta.p1 not in Ponto.SET) or (aresta.p2 not in Ponto.SET):
Aresta.ARESTAS.remove(aresta) # nesse caso remove a Aresta também
else: # senão
aresta.desenha() # desenha a linha
aresta.puxa_empurra(TAM_BARRA) # altera a velocidade dos pontos
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COM_ARESTAS.update([aresta.p1, aresta.p2])
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Ponto.SET = COM_ARESTAS # remove pontos sem nenhuma aresta
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# atualiza número de pontos
if NUM_PONTOS > len(Ponto.SET):
Ponto.SET.add(Ponto(random(width), random(height)))
elif NUM_PONTOS < len(Ponto.SET):
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rnd_ponto = rnd_choice(list(Ponto.SET))
Ponto.SET.remove(rnd_ponto)
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# atualiza número de arestas
if NUM_PONTOS * NUM_CONNECT > len(Aresta.ARESTAS):
rnd_choice(list(Ponto.SET)).cria_arestas()
elif NUM_PONTOS * NUM_CONNECT < len(Aresta.ARESTAS):
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Aresta.ARESTAS.remove(rnd_choice(Aresta.ARESTAS))
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if Inputs.TILT:
Ponto.SET = set()
# uncomment next lines to export GIF
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# if not frameCount % 30:
# gif_export(GifMaker,
# frames=2000,
# delay=500,
# filename=SKETCH_NAME)
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# Updates reading or draws sliders and checks mouse dragging / keystrokes
Inputs.update_inputs()
def mouseDragged(): # quando o mouse é arrastado
for ponto in Ponto.SET: # para cada Ponto checa distância do mouse
if dist(mouseX, mouseY, ponto.x, ponto.y) < TAM_PONTO / 2:
# move o Ponto para posição do mouse
ponto.x, ponto.y = mouseX, mouseY
ponto.vx = 0
ponto.vy = 0