kopia lustrzana https://github.com/villares/sketch-a-day
day 108
Alexandre B A Villares
rodzic
ba96e9c633
commit
b4c3f025db
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@ -0,0 +1,43 @@
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"""
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Alexandre B A Villares http://abav.lugaralgum.com - GPL v3
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A helper for the Processing gifAnimation library (https://github.com/jordanorelli)
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ported to Processing 3 by 01010101 (https://github.com/01010101)
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Download the library from https://github.com/01010101/GifAnimation/archive/master.zip
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This helper was inspired by an example by Art Simon https://github.com/APCSPrinciples/AnimatedGIF/
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Put at the start of your sketch:
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add_library('gifAnimation')
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from gif_exporter import gif_export
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and at the end of draw():
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gif_export(GifMaker)
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"""
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def gif_export(GifMaker, # gets a reference to the library
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filename="exported", # .gif will be added
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repeat=0, # 0 makes it an "endless" animation
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quality=182, # quality range 0 - 255
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delay=170, # this is quick
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frames=0): # 0 will stop on keyPressed or frameCount >= 100000
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global gifExporter
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try:
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gifExporter
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except NameError:
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gifExporter = GifMaker(this, filename + ".gif")
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gifExporter.setRepeat(repeat)
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gifExporter.setQuality(quality)
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gifExporter.setDelay(delay)
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gif_export._frame = frameCount
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print("gif start")
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gifExporter.addFrame()
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if (frames == 0 and keyPressed or frameCount - gif_export._frame >= 100000) \
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or (frames != 0 and frameCount - gif_export._frame >= frames):
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gifExporter.finish()
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background(255)
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print("gif saved")
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del(gifExporter)
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return False
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else:
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return True
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@ -0,0 +1,193 @@
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from javax.swing import JOptionPane
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"""
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This will hpefully switch between Arduino (Firmata) variable input and
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nice sliders based on Peter Farell's Sliders htts://twitter.com/hackingmath
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https://github.com/hackingmath/python-sliders http://farrellpolymath.com/
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"""
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class Input:
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def __init__(self, Arduino, slider_pins):
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self.select_source(Arduino)
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if self.source > 0:
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self.arduino = Arduino(this, Arduino.list()[self.source], 57600)
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else:
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# start, end, default
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A = Slider(0, 1023, 128)
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B = Slider(0, 1023, 128)
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C = Slider(0, 1023, 128)
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D = Slider(0, 1023, 128)
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A.position(40, height - 70)
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B.position(40, height - 30)
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C.position(width - 140, height - 70)
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D.position(width - 140, height - 30)
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a, b, c, d = slider_pins
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self.sliders = {a: A, b: B, c: C, d: D}
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def analog(self, pin):
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if self.source:
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return self.arduino.analogRead(pin)
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else:
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return self.sliders[pin].val
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def update(self):
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if not self.source:
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for pin, slider in self.sliders.iteritems():
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slider.update()
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def keyPressed(self):
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if key == 'a':
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self.sliders[1].down = True
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if key == 'd':
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self.sliders[1].up = True
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if key == 's':
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self.sliders[2].down = True
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if key == 'w':
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self.sliders[2].up = True
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if keyCode == LEFT:
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self.sliders[3].down = True
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if keyCode == RIGHT:
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self.sliders[3].up = True
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if keyCode == DOWN:
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self.sliders[4].down = True
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if keyCode == UP:
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self.sliders[4].up = True
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def keyReleased(self):
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if key == 'a':
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self.sliders[1].down = False
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if key == 'd':
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self.sliders[1].up = False
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if key == 's':
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self.sliders[2].down = False
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if key == 'w':
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self.sliders[2].up = False
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if keyCode == LEFT:
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self.sliders[3].down = False
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if keyCode == RIGHT:
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self.sliders[3].up = False
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if keyCode == DOWN:
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self.sliders[4].down = False
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if keyCode == UP:
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self.sliders[4].up = False
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def digital(self, pin):
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space_pressed = keyPressed and key == ' '
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if self.source:
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if pin == 13:
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return self.arduino.digitalRead(13) or space_pressed
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else:
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return arduino.digitalRead(pin)
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else:
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return space_pressed
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def select_source(self, Arduino):
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# Input.Arduino = Arduino # to make available on this module
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port_list = [str(num) + ": " + port for num, port
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in enumerate(Arduino.list())]
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if not port_list:
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port_list.append(None)
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self.source = option_pane("O seu Arduino está conectado?",
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"Escolha a porta ou pressione Cancel\npara usar 'sliders':",
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port_list,
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-1) # index for default option
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self.help()
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def help(self):
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if self.source:
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message = """ Teclas:
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'h' para esta ajuda
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'p' para salvar uma imagem
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'g' para salvar um GIF
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Tombe a lousa para lousa para limpar o desenho!"""
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else:
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message = """ Teclas:
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'h' para esta ajuda
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'p' para salvar uma imagem
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'g' para salvar um GIF
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'a' (-) ou 'd' (+) para o slider 1
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's' (-) ou 'w' (+) para o slider 2
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←(-) ou → (+) para o slider 3
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↓ (-) ou ↑ (+) para o slider 4
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[barra de espaço] para limpar o desenho"""
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ok = JOptionPane.showMessageDialog(None, message)
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def option_pane(title, message, options, default=None, index_only=True):
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if default == None:
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default = options[0]
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elif index_only:
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default = options[default]
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selection = JOptionPane.showInputDialog(
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frame,
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message,
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title,
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JOptionPane.INFORMATION_MESSAGE,
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None, # for Java null
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options,
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default) # must be in options, otherwise 1st is shown
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if selection:
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if index_only:
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return options.index(selection)
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else:
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return selection
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class Slider:
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SLIDERS = []
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def __init__(self, low, high, default):
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'''slider has range from low to high
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and is set to default'''
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self.low = low
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self.high = high
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self.val = default
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self.clicked = False
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self.up, self.down = False, False
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Slider.SLIDERS.append(self)
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def position(self, x, y):
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'''slider's position on screen'''
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self.x = x
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self.y = y
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# the position of the rect you slide:
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self.rectx = self.x + map(self.val, self.low, self.high, 0, 120)
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self.recty = self.y - 10
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def update(self):
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'''updates the slider'''
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pushStyle()
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rectMode(CENTER)
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# black translucid rect behind slider
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fill(0, 100)
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noStroke()
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rect(self.x + 60, self.y, 130, 20)
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# gray line behind slider
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strokeWeight(4)
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stroke(200)
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line(self.x, self.y, self.x + 120, self.y)
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# press mouse to move slider
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if (self.x < mouseX < self.x + 120 and
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self.y < mouseY < self.y + 20):
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fill(250)
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textSize(10)
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text(str(int(self.val)), self.rectx, self.recty + 35)
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if mousePressed:
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self.rectx = mouseX
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# key usage
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if self.up:
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self.rectx += 1
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if self.down:
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self.rectx -= 1
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# constrain rectangle
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self.rectx = constrain(self.rectx, self.x, self.x + 120)
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# draw rectangle
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strokeWeight(1)
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fill(255)
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rect(self.rectx, self.recty + 10, 10, 20)
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self.val = map(self.rectx, self.x, self.x + 120, self.low, self.high)
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popStyle()
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Plik binarny nie jest wyświetlany.
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Po Szerokość: | Wysokość: | Rozmiar: 4.1 MiB |
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@ -0,0 +1,108 @@
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# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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SKETCH_NAME = "s108" # 180418
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add_library('serial') # import processing.serial.*;
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add_library('arduino') # import cc.arduino.*;
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add_library('gifAnimation')
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from gif_exporter import *
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from inputs import *
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ELEMENTS = []
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GIF_EXPORT = False
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def setup():
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global input
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size(600, 600)
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noFill() # sem preenchimento
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frameRate(30)
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strokeWeight(3)
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colorMode(HSB)
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# Ask user for Arduino port, uses slider if none is selected`
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input = Input(Arduino, slider_pins=[1, 2, 3, 4])
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def draw():
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background(0) # fundo preto
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grid_elem = int(input.analog(1) / 16) # 0 a 63 linhas e colunas na grade
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elem_size = int(input.analog(2) / 16) # 0 a 63 tamanho base dos quadrados
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rand_size = int(input.analog(3) / 16) # escala a randomização do tamanho
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rand_posi = int(input.analog(4) / 16) # escala a randomização da posição
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# trava a random entre os ciclos de draw
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# mas varia com o número de colunas na grade
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randomSeed(int(input.analog(1)) / 4)
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# espaçamento entre os elementos
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spac_size = width / (grid_elem + 1)
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v = spac_size * 1.5
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h = spac_size * sqrt(3)
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for ix in range(-1, grid_elem + 1):
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for iy in range(-1, grid_elem + 1):
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if iy % 2:
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x = ix * h + h / 4
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es = elem_size
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else:
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x = ix * h - h / 4
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es = -elem_size
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y = iy * v
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for i in range(3):
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final_size = es * (i + 0.5)
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C = color(map(abs(final_size), 0, 63, 0, 255),
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255, 255)
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oX = rand_posi * random(-1, 1)
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oY = rand_posi * random(-1, 1)
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ELEMENTS.append((C, x + oX, y + oY, final_size))
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# three layers of elements
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for e0, e1, e2 in zip(ELEMENTS[0::3], ELEMENTS[1::3], ELEMENTS[2::3]):
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st0, x0, y0, es0 = e0
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st1, x1, y1, es1 = e1
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st2, x2, y2, es2 = e2
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fs0 = es0 + rand_size * random(-1, 1)
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fs1 = es1 + rand_size * random(-1, 1)
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fs2 = es2 + rand_size * random(-1, 1)
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stroke(st0)
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equilateral(x0, y0, fs0)
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stroke(st1)
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equilateral(x1, y1, fs1)
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stroke(st2)
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equilateral(x2, y2, fs2)
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# empty list
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ELEMENTS[:] = []
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# uncomment next lines to export GIF
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global GIF_EXPORT
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if not frameCount % 20 and GIF_EXPORT:
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GIF_EXPORT = gif_export(GifMaker,
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frames=1000,
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delay=300,
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filename=SKETCH_NAME)
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# Updates reading or draws sliders and checks mouse dragging / keystrokes
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input.update()
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def keyPressed():
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global GIF_EXPORT
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if key == 'p': # save PNG
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saveFrame("####.png")
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if key == 'g': # save GIF
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GIF_EXPORT = True
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if key == 'h':
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input.help()
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input.keyPressed()
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def keyReleased():
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input.keyReleased()
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def rnd_choice(collection):
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i = int(random(len(collection)))
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return collection[i]
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def equilateral(x, y, r):
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with pushMatrix():
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translate(x, y)
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triangle(-0.866 * r, -0.5 * r,
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0.866 * r, -0.5 * r,
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# 0.000 * r, 1.0 * r)
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0, r)
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