ogl/types/math/Mat3.d.ts

WebGL Library

import type { Mat4 } from './Mat4.js';
import type { Quat } from './Quat.js';
import type { Vec2 } from './Vec2.js';
import type { Vec3 } from './Vec3.js';

export type Mat3Tuple = [
    m00: number,
    m01: number,
    m02: number,
    m10: number,
    m11: number,
    m12: number,
    m20: number,
    m21: number,
    m22: number,
];

/**
 * 3x3 matrix.
 * @see {@link https://github.com/oframe/ogl/blob/master/src/math/Mat3.js | Source}
 */
export class Mat3 extends Array<number> {
    constructor(
        m00?: number,
        m01?: number,
        m02?: number,
        m10?: number,
        m11?: number,
        m12?: number,
        m20?: number,
        m21?: number,
        m22?: number,
    );

    set(
        m00: number | Mat3 | Mat3Tuple,
        m01: number,
        m02: number,
        m10: number,
        m11: number,
        m12: number,
        m20: number,
        m21: number,
        m22: number,
    ): this;

    translate(v: Vec2, m?: Mat3): this;

    rotate(v: number, m?: Mat3): this;

    scale(v: Vec2, m?: Mat3): this;

    multiply(ma: Mat3, mb?: Mat3): this;

    identity(): this;

    copy(m: Mat3): this;

    fromMatrix4(m: Mat4): this;

    fromQuaternion(q: Quat): this;

    fromBasis(vec3a: Vec3, vec3b: Vec3, vec3c: Vec3): this;

    inverse(m?: Mat3): this;

    getNormalMatrix(m: Mat4): this;
}