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33 lines
639 B
Lua
33 lines
639 B
Lua
local _sin = math.sin
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local _cos = math.cos
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math.sin = function(x)
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return math.floor(_sin(x) * 10000000 + 0.5) / 10000000
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end
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math.cos = function(x)
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return math.floor(_cos(x) * 10000000 + 0.5) / 10000000
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end
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-- rounds number (num) to certain number of decimal places (idp)
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math.round = function(num, idp)
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local mult = 10 ^ (idp or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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math.clamp = function(num, min, max)
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if num < min then
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return min
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elseif num > max then
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return max
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else
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return num
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end
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end
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math.sqrt2 = math.sqrt(2)
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math.inv_sqrt2 = 1 / math.sqrt2
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return math
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