mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 10:12:45 +00:00
119 lines
2.6 KiB
Plaintext
119 lines
2.6 KiB
Plaintext
// Credits to Nickr5 for the useful procs I've taken from his library resource.
|
|
|
|
var/const/E = 2.71828183
|
|
var/const/Sqrt2 = 1.41421356
|
|
|
|
// List of square roots for the numbers 1-100.
|
|
var/list/sqrtTable = list(1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
|
|
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10)
|
|
|
|
/proc/Atan2(x, y)
|
|
if(!x && !y) return 0
|
|
var/a = arccos(x / sqrt(x*x + y*y))
|
|
return y >= 0 ? a : -a
|
|
|
|
/proc/Ceiling(x)
|
|
return -round(-x)
|
|
|
|
/proc/Clamp(val, min, max)
|
|
return max(min, min(val, max))
|
|
|
|
// cotangent
|
|
/proc/Cot(x)
|
|
return 1 / Tan(x)
|
|
|
|
// cosecant
|
|
/proc/Csc(x)
|
|
return 1 / sin(x)
|
|
|
|
/proc/Default(a, b)
|
|
return a ? a : b
|
|
|
|
/proc/Floor(x)
|
|
return round(x)
|
|
|
|
// Greatest Common Divisor - Euclid's algorithm
|
|
/proc/Gcd(a, b)
|
|
return b ? Gcd(b, a % b) : a
|
|
|
|
/proc/Inverse(x)
|
|
return 1 / x
|
|
|
|
/proc/IsAboutEqual(a, b, deviation = 0.1)
|
|
return abs(a - b) <= deviation
|
|
|
|
/proc/IsEven(x)
|
|
return x % 2 == 0
|
|
|
|
// Returns true if val is from min to max, inclusive.
|
|
/proc/IsInRange(val, min, max)
|
|
return min <= val && val <= max
|
|
|
|
/proc/IsInteger(x)
|
|
return Floor(x) == x
|
|
|
|
/proc/IsOdd(x)
|
|
return !IsEven(x)
|
|
|
|
/proc/IsMultiple(x, y)
|
|
return x % y == 0
|
|
|
|
// Least Common Multiple
|
|
/proc/Lcm(a, b)
|
|
return abs(a) / Gcd(a, b) * abs(b)
|
|
|
|
// Performs a linear interpolation between a and b.
|
|
// Note that amount=0 returns a, amount=1 returns b, and
|
|
// amount=0.5 returns the mean of a and b.
|
|
/proc/Lerp(a, b, amount = 0.5)
|
|
return a + (b - a) * amount
|
|
|
|
/proc/Mean(...)
|
|
var/values = 0
|
|
var/sum = 0
|
|
for(var/val in args)
|
|
values++
|
|
sum += val
|
|
return sum / values
|
|
|
|
|
|
// Returns the nth root of x.
|
|
/proc/Root(n, x)
|
|
return x ** (1 / n)
|
|
|
|
// secant
|
|
/proc/Sec(x)
|
|
return 1 / cos(x)
|
|
|
|
// The quadratic formula. Returns a list with the solutions, or an empty list
|
|
// if they are imaginary.
|
|
/proc/SolveQuadratic(a, b, c)
|
|
ASSERT(a)
|
|
. = list()
|
|
var/d = b*b - 4 * a * c
|
|
var/bottom = 2 * a
|
|
if(d < 0) return
|
|
var/root = sqrt(d)
|
|
. += (-b + root) / bottom
|
|
if(!d) return
|
|
. += (-b - root) / bottom
|
|
|
|
// tangent
|
|
/proc/Tan(x)
|
|
return sin(x) / cos(x)
|
|
|
|
/proc/ToDegrees(radians)
|
|
// 180 / Pi
|
|
return radians * 57.2957795
|
|
|
|
/proc/ToRadians(degrees)
|
|
// Pi / 180
|
|
return degrees * 0.0174532925
|
|
|
|
// min is inclusive, max is exclusive
|
|
/proc/Wrap(val, min, max)
|
|
var/d = max - min
|
|
var/t = Floor((val - min) / d)
|
|
return val - (t * d) |