ehdb_01_21_16_001.py

# Eli Heuer's daily DrawBot exercise!
# 01/21/16 -- 001
# Rendered with DrawBot:
# http://www.drawbot.com/

# setting up the canvas and main variables

canvas = 512          # size of the gif in pixels
square_size = 128     # size of the square
num_frames = 64       # number of frames in the animation
step = 0              # steps in looping animation

# main loop that makes each frame

for frame in range(num_frames):
    newPage(canvas, canvas)
    frameDuration(1/20)
    fill(0.8)
    rect(0, 0, canvas, canvas)
    phase = 2 * pi * frame / num_frames
    x_pos = 180 * sin(phase + 1 * pi)
    y_pos = 180 * cos(phase + 1 * pi)
    translate(canvas/2, canvas/2)
    print "x_pos: " 
    print x_pos
    print "y_pos: " 
    print y_pos
    
    # animation loop
    
    for frame in range(num_frames):
        save()
        step = step + 8
        fill(1)
        stroke(0.2)
        rotate(step)
        translate(x_pos / 2, y_pos)
        rect(-square_size/2, -square_size/2, 
        64, 32)
        restore()
    
saveImage("ehdb_01_21_16_001.gif")