8 lines
296 B
CoffeeScript
8 lines
296 B
CoffeeScript
# preparing the canvas
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update_canvas = () ->
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canvas.width = config.map.width*config.pixelsize+config.map.origin.x
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canvas.height = config.map.height*config.pixelsize+config.map.origin.y
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update_canvas()
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map_range = (from, to, s) ->
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to[0] + (s-from[0]) * (to[1] - to[0]) / (from[1] - from[0]) |