Vector Shape - Create Square Wave

 

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Create a square wave shape with this custom handler. It returns a vertex list. Pass the width and height of the wave from crest to crest, the number of waves, the start as a boolean value (0 or 1) and autoSize as a boolean as well. AutoSize will allow you to specify an overall width and height and it will figure out the size of the waves for you based on the number of waves, the width and the height.

on createSquareWave (width, height, waves, start, autoSize)      vertList = []      if autoSize then     w = width / float(waves)   else       w = width   end if      pts = waves * 2   hw = w / 2      repeat with i = 0 to pts     x = hw * i     if i mod 2 = start then       vertList.add([#vertex: point(x, height)])       vertList.add([#vertex: point(x, 0)])     else       vertList.add([#vertex: point(x, 0)])       vertList.add([#vertex: point(x, height)])     end if        end repeat      return vertList    end

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