three
Version:
JavaScript 3D library
104 lines (83 loc) • 2.91 kB
TypeScript
import { Quaternion } from './Quaternion';
/**
* @see {@link https://github.com/mrdoob/three.js/blob/master/src/math/MathUtils.js|src/math/MathUtils.js}
*/
export namespace MathUtils {
export const DEG2RAD: number;
export const RAD2DEG: number;
export function generateUUID(): string;
/**
* Clamps the x to be between a and b.
*
* @param value Value to be clamped.
* @param min Minimum value
* @param max Maximum value.
*/
export function clamp( value: number, min: number, max: number ): number;
export function euclideanModulo( n: number, m: number ): number;
/**
* Linear mapping of x from range [a1, a2] to range [b1, b2].
*
* @param x Value to be mapped.
* @param a1 Minimum value for range A.
* @param a2 Maximum value for range A.
* @param b1 Minimum value for range B.
* @param b2 Maximum value for range B.
*/
export function mapLinear(
x: number,
a1: number,
a2: number,
b1: number,
b2: number
): number;
export function smoothstep( x: number, min: number, max: number ): number;
export function smootherstep( x: number, min: number, max: number ): number;
/**
* Random float from 0 to 1 with 16 bits of randomness.
* Standard Math.random() creates repetitive patterns when applied over larger space.
*
* @deprecated Use {@link Math#random Math.random()}
*/
export function random16(): number;
/**
* Random integer from low to high interval.
*/
export function randInt( low: number, high: number ): number;
/**
* Random float from low to high interval.
*/
export function randFloat( low: number, high: number ): number;
/**
* Random float from - range / 2 to range / 2 interval.
*/
export function randFloatSpread( range: number ): number;
/**
* Deterministic pseudo-random float in the interval [ 0, 1 ].
*/
export function seededRandom( seed?: number ): number;
export function degToRad( degrees: number ): number;
export function radToDeg( radians: number ): number;
export function isPowerOfTwo( value: number ): boolean;
/**
* Returns a value linearly interpolated from two known points based
* on the given interval - t = 0 will return x and t = 1 will return y.
*
* @param x Start point.
* @param y End point.
* @param t interpolation factor in the closed interval [0, 1]
* @return {number}
*/
export function lerp( x: number, y: number, t: number ): number;
/**
* @deprecated Use {@link Math#floorPowerOfTwo .floorPowerOfTwo()}
*/
export function nearestPowerOfTwo( value: number ): number;
/**
* @deprecated Use {@link Math#ceilPowerOfTwo .ceilPowerOfTwo()}
*/
export function nextPowerOfTwo( value: number ): number;
export function floorPowerOfTwo( value: number ): number;
export function ceilPowerOfTwo( value: number ): number;
export function setQuaternionFromProperEuler( q: Quaternion, a: number, b: number, c: number, order: string ): void;
}