2020-12-24 18:33:49 -08:00
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import tinycolor from 'tinycolor2'
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2015-07-29 08:08:07 -07:00
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window.doppler = (percentage, value, relative = false) ->
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while percentage >= 1
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percentage /= 10
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tc_color = tinycolor(value).toRgb()
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color = [tc_color.r, tc_color.g, tc_color.b]
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if relative
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for _c, i in color
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x = (255 - color[i]) * percentage
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if x == 0
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x = color[i] * percentage
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color[i] -= x
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else
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color[i] += x
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else
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adj = 255 * percentage
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for _c, i in color
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if color[i] + adj > 255
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color[i] -= adj
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else
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color[i] += adj
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'#' + color.map((x) -> Math.floor(Math.max(0, Math.min(255, x))).toString(16)).join ''
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