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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
35 lines
1.0 KiB
TypeScript
35 lines
1.0 KiB
TypeScript
/**
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* @description 扩展方法，提供 gl-matrix 为提供的方法
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* */
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import { mat3 } from 'gl-matrix';
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export declare function leftTranslate(out: any, a: any, v: any): mat3;
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export declare function leftRotate(out: any, a: any, rad: any): mat3;
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export declare function leftScale(out: any, a: any, v: any): mat3;
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/**
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* 根据 actions 来做 transform
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* @param m
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* @param actions
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*/
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export declare function transform(m: number[], actions: any[][]): any[];
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/**
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* 向量 v1 到 向量 v2 夹角的方向
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* @param {Array} v1 向量
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* @param {Array} v2 向量
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* @return {Boolean} >= 0 顺时针 < 0 逆时针
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*/
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export declare function direction(v1: number[], v2: number[]): number;
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/**
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* 二维向量 v1 到 v2 的夹角
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* @param v1
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* @param v2
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* @param direct
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*/
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export declare function angleTo(v1: [number, number], v2: [number, number], direct: boolean): number;
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/**
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* 计算二维向量的垂直向量
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* @param out
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* @param v
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* @param flag
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*/
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export declare function vertical(out: number[], v: number[], flag: boolean): number[];
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