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https://github.com/goonstation/goonstation-2020.git
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ZeWaka
29 lines
937 B
Plaintext
29 lines
937 B
Plaintext
//#define CLAMP(V, MN, MX) max(MN, min(MX, V))
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#define CLAMP(V, MN, MX) ((V<MN) ? MN : (V>MX) ? MX : V)
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/proc/atan2(x, y)
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if(!x && !y) return 0
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.= y >= 0 ? arccos(x / sqrt(x * x + y * y)) : -arccos(x / sqrt(x * x + y * y))
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/proc/angledifference(a1,a2) //difference in degrees between two angles in degrees
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.= ( a2 - a1 + 180 ) % 360 - 180
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if (. < -180)
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.+= 360
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/proc/sign(x) //Should get bonus points for being the most compact code in the world!
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return x!=0?x/abs(x):0
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#if DM_BUILD < 1490
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/proc/clamp(var/number, var/min, var/max)
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return max(min(number, max), min)
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//moved out of Railgun.dm into a slightly more applicable math.dm
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/proc/arctan(x)
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var/y=arcsin(x/sqrt(1+x*x))
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return y
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//This returns the tangent of x, for use with North and South straights.
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/proc/tan(x)
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return (sin(x)/cos(x))
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#endif
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//This returns the tangent reciprocal of x, for use with East and West straights.
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/proc/tanR(x)
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return (cos(x)/sin(x))
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