Sha256: bc083e3105e31e5e90839289738174bae7bd39442331273a47ecdbc0b199e3a2
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Size: 933 Bytes
Versions: 5
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Contents
# # Regular Polygon # # What is your favorite? Pentagon? Hexagon? Heptagon? # No? What about the icosagon? The polygon function # created for this example is capable of drawing any # regular polygon. Try placing different numbers into the # polygon function calls within draw to explore. # def setup size(640, 360) end def draw background(102) push_matrix translate(width*0.2, height*0.5) rotate(frame_count / 200.0) polygon(0, 0, 82, 3); pop_matrix push_matrix translate(width*0.5, height*0.5) rotate(frame_count / 50.0) polygon(0, 0, 80, 20); pop_matrix push_matrix translate(width*0.8, height*0.5) rotate(frame_count / -100.0) polygon(0, 0, 70, 7); pop_matrix end def polygon(x, y, radius, npoints) angle = TAU / npoints begin_shape (0 .. TAU).step(angle) do |a| sx = x + cos(a) * radius sy = y + sin(a) * radius vertex(sx, sy) end end_shape(CLOSE) end
Version data entries
5 entries across 5 versions & 1 rubygems