Math

Math

Module name: "math"

Function	Signature	Description
abs	(n: float) -> float	Absolute value
ceil	(n: float) -> float	Round up
floor	(n: float) -> float	Round down
round	(n: float) -> float	Round to nearest
sqrt	(n: float) -> float	Square root
pow	(base: float, exp: float) -> float	Exponentiation
log	(n: float) -> float	Natural logarithm
exp	(n: float) -> float	e raised to n
sin	(n: float) -> float	Sine
cos	(n: float) -> float	Cosine
tan	(n: float) -> float	Tangent
min	(a: float, b: float) -> float	Minimum of two
max	(a: float, b: float) -> float	Maximum of two
clamp	(val: float, lo: float, hi: float) -> float	Clamp to range

abs(-5.0)         // 5.0
ceil(1.2)         // 2.0
floor(1.9)        // 1.0
round(1.5)        // 2.0
sqrt(25.0)        // 5.0
pow(2.0, 10.0)    // 1024.0

sin(PI / 2)       // 1.0
cos(0.0)          // 1.0
clamp(150.0, 0.0, 100.0)  // 100.0

// Constants
PI        // 3.14159...
TAU       // 6.28318...
INFINITY

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Interpolation

Module name: "interpolation"

Function	Signature	Description
lerp	(a: float, b: float, t: float) -> float	Linear interpolation
smoothstep	(edge0: float, edge1: float, x: float) -> float	Smooth Hermite curve
inverseLerp	(a: float, b: float, value: float) -> float	Inverse linear interpolation

lerp(0.0, 100.0, 0.5)         // 50.0
smoothstep(0.0, 1.0, t)
inverseLerp(0.0, 100.0, 50.0) // 0.5

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Noise

Module name: "noise". Backed by fastnoise-lite.

Function	Signature	Description
noise2D	(x: float, y: float) -> float	2D noise in -1.0..1.0
noise3D	(x: float, y: float, z: float) -> float	3D noise in -1.0..1.0

noise2D(x, y)              // float in -1.0..1.0
noise3D(x, y, z)