20 lines
563 B
Lua
20 lines
563 B
Lua
function convertColor(argb, divideBy)
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if not argb then error("Null color") end
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local blue = bit32.band(argb, 255)
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local green = bit32.band(bit32.rshift(argb, 8), 255)
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local red = bit32.band(bit32.rshift(argb, 16), 255)
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if divideBy then
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red = red/255
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green = green/255
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blue = blue/255
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end
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return {r = red, g = green, b = blue}
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end
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function permuteColor(clr, dr, dg, db)
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clr = table.deepcopy(clr)
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clr.r = math.max(0, math.min(255, clr.r+dr))
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clr.g = math.max(0, math.min(255, clr.g+dg))
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clr.b = math.max(0, math.min(255, clr.b+db))
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return clr
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end |