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Posted By

n3x on 06/20/07

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Last Edited at 06/20/07 05:04pm

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NodeBox test: arrows

/ Published in: Python
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I was just asked how I did this
http://www.vimeo.com/clip:218013
so here goes ...

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  1. import math
  2.  
  3. width, height = 400, 300
  4.  
  5. size(width, height)
  6. speed(8)
  7.  
  8. def setup():
  9.     global frame
  10.     frame = 1
  11.     global dots
  12.     dots = [[50*x + 25, 50*y + 25, (y - x)*10.0] for x in xrange(8) for y in xrange(6)]
  13.  
  14. def stepDots():
  15.     global dots
  16.     for d in dots:
  17.         d[2] += (d[0] + d[1])*0.01
  18.  
  19. def draw():
  20.     global frame
  21.     global distort
  22.     global dots
  23.  
  24.     stepDots()
  25.     nofill()
  26.     strokewidth(5)
  27.     colormode(HSB)
  28.     for d in dots:
  29.         push()
  30.         rotate(d[2])
  31.         h = math.sin(math.radians(d[2])/5.0)*20.0
  32.         stroke(math.sin(h)*0.1 + (math.sin(frame/48.0)*0.4 + 0.5), 0.7, 0.5, 1 - abs(h/15.0))
  33.         scale(h/1.3)
  34.         #rect(d[0], d[1], 10, 10)
  35.         arrow(d[0], d[1], 20)
  36.         pop()
  37.  
  38.     frame += 1

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