code/_helpers/maths.dm

DEG_TO_RAD	Multiplier for converting degrees to radians
RAD_TO_DEG	Multiplier for converting radians to degrees
PI	The mathematical constant pi to f32 precision
Frand	A random real number between low and high inclusive
Ceil	Value or the next integer in a positive direction: Ceil(-1.5) = -1 , Ceil(1.5) = 2
Ceilm	Value or the next multiple of divisor in a positive direction. Ceilm(-1.5, 0.3) = -1.5 , Ceilm(-1.5, 0.4) = -1.2
Ceilp	Value or the nearest power of power in a positive direction: Ceilp(3, 2) = 4 , Ceilp(5, 3) = 9
Floor	Value or the next integer in a negative direction: Floor(-1.5) = -2 , Floor(1.5) = 1
Floorm	Value or the next multiple of divisor in a negative direction: Floorm(-1.5, 0.3) = -1.5 , Floorm(-1.5, 0.4) = -1.6
Round	Value or the nearest integer in either direction
Roundm	Value or the nearest multiple of divisor in either direction
Percent	The percentage of value in max, rounded to places: 1 = nearest 0.1 , 0 = nearest 1 , -1 = nearest 10, etc
IsInteger	True if value is an integer number.
IsPowerOfTwo	True if value is a non-negative integer that is 0 or has a single bit set. 0, 1, 2, 4, 8 ...
IsEven	True if value is an integer that is not zero and does not have the 1 bit set
IsOdd	True if value is an integer that has the 1 bit set.
IsMultiple	True if value is a multiple of divisor
IsInRange	True if value is between low and high inclusive
Csc	The cosecant of degrees
Sec	The secant of degrees
Cot	The cotangent of degrees
/proc/Atan2	The 2-argument arctangent of x and y
/proc/Interpolate	Returns a linear interpolation from a to b according to weight. weight 0 is a, weight 1 is b, weight 0.5 is half-way between the two.
/proc/Mean	Returns the mean of either a list or variadic arguments: Mean(list(1, 2, 3)) = 2 , Mean(1, 2, 3) = 2
/proc/VecSquareMag	Returns the euclidian square magnitude of a vector of either a list or variadic arguments: VecSquareMag(list(1, 2, 3)) = 14 , VecSquareMag(1, 2, 3) = 14
/proc/VecMag	Returns the euclidian magnitude of a vector of either a list or variadic arguments: VecMag(list(3, 4)) = 5 , VecMag(3, 4) = 5
/proc/Drand	Returns a random real from an arbitrary XdY dice roll
Nrand	An aproximate, fairly granular random normal real number in 0..1
/proc/CircularRandomCoordinate	A circular random coordinate pair from 0, unit by default, scaled by radius, then rounded if round.
/proc/BoundedCircularRandomCoordinate	A circular random coordinate with radius on center_x, center_y, reflected into low_x,low_y -> high_x,high_y, clamped in low,high, and rounded if round is set
/proc/CircularRandomTurf	Pick a random turf using BoundedCircularRandomCoordinate about x,y on level z
/proc/CircularRandomTurfAround	Pick a random turf using BoundedCircularRandomCoordinate around the turf of target

Define Details

#define
Ceil
(value)

Value or the next integer in a positive direction: Ceil(-1.5) = -1 , Ceil(1.5) = 2

#define
Ceilm
(value, divisor)

Value or the next multiple of divisor in a positive direction. Ceilm(-1.5, 0.3) = -1.5 , Ceilm(-1.5, 0.4) = -1.2

#define
Ceilp
(value, power)

Value or the nearest power of power in a positive direction: Ceilp(3, 2) = 4 , Ceilp(5, 3) = 9

#define
Cot
(degrees)

The cotangent of degrees

#define
Csc
(degrees)

The cosecant of degrees

#define
DEG_TO_RAD

Multiplier for converting degrees to radians

#define
Floor
(value)

Value or the next integer in a negative direction: Floor(-1.5) = -2 , Floor(1.5) = 1

#define
Floorm
(value, divisor)

Value or the next multiple of divisor in a negative direction: Floorm(-1.5, 0.3) = -1.5 , Floorm(-1.5, 0.4) = -1.6

#define
Frand
(low, high)

A random real number between low and high inclusive

#define
IsEven
(value)

True if value is an integer that is not zero and does not have the 1 bit set

#define
IsInRange
(value, low, high)

True if value is between low and high inclusive

#define
IsInteger
(value)

True if value is an integer number.

#define
IsMultiple
(value, divisor)

True if value is a multiple of divisor

#define
IsOdd
(value)

True if value is an integer that has the 1 bit set.

#define
IsPowerOfTwo
(value)

True if value is a non-negative integer that is 0 or has a single bit set. 0, 1, 2, 4, 8 ...

#define
Nrand

An aproximate, fairly granular random normal real number in 0..1

#define
PI

The mathematical constant pi to f32 precision

#define
Percent
(value, max, places)

The percentage of value in max, rounded to places: 1 = nearest 0.1 , 0 = nearest 1 , -1 = nearest 10, etc

#define
RAD_TO_DEG

Multiplier for converting radians to degrees

#define
Round
(value)

Value or the nearest integer in either direction

#define
Roundm
(value, divisor)

Value or the nearest multiple of divisor in either direction

#define
Sec
(degrees)

The secant of degrees

code/_helpers/maths.dm

Define Details

#define Ceil (value)

#define Ceilm (value, divisor)

#define Ceilp (value, power)

#define Cot (degrees)

#define Csc (degrees)

#define DEG_TO_RAD

#define Floor (value)

#define Floorm (value, divisor)

#define Frand (low, high)

#define IsEven (value)

#define IsInRange (value, low, high)

#define IsInteger (value)

#define IsMultiple (value, divisor)

#define IsOdd (value)

#define IsPowerOfTwo (value)

#define Nrand

#define PI

#define Percent (value, max, places)

#define RAD_TO_DEG

#define Round (value)

#define Roundm (value, divisor)

#define Sec (degrees)