`MotionMaths`

interface

Maths for code, as the logic graph's nodes have it (scene.maths, or import { maths } from "motion").

Name	`MotionMaths`
Kind	interface
Script reaches it as	`maths`, or `import { maths } from "motion"` · `MotionScene.maths` · `motion.maths`
Since	0.4

Syntax

interface MotionMaths { … }declare const maths: MotionMaths;

Signature	Description
`noise(x: number, seed?: number): number`method	Perlin noise along a line: smooth, -1 to 1, the same for the same x and seed.
`noise2(x: number, y: number, seed?: number): number`method	Smooth noise over a plane, 0 to 1.
`smoothstep(e0: number, e1: number, x: number): number`method	0 below e0, 1 above e1, smooth between.
`remap(v: number, a0: number, a1: number, b0: number, b1: number, clamp?: boolean): number`method	A value from one range to another.
`lerp(a: number, b: number, t: number): number`method	Between a and b, t of the way.
`clamp(v: number, lo: number, hi: number): number`method	A value kept within lo and hi.
`ease(name: Easing & string, t: number): number`method	How far along an easing is: as scene.animate eases.
`wrap(v: number, lo: number, hi: number): number`method	A value wrapped round to stay within lo and hi.
`pingPong(t: number, length: number): number`method	T going up to length and back down, again and again.
`damp(current: number, target: number, smoothing: number, dt: number): number`method	A value followed toward a target, the same whatever the frame rate.
`degrees(radians: number): number`method	Radians as degrees.
`radians(degrees: number): number`method	Degrees as radians.