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21 lines
852 B
21 lines
852 B
4 months ago
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import type { Point, Vector2 } from '../types';
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/**
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* @param vec
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* @param s
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*/
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export declare function scale(vec: Vector2, s: number): Vector2;
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export declare function add(vec1: Vector2, vec2: Vector2): Vector2;
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export declare function sub(vec1: Vector2, vec2: Vector2): Vector2;
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export declare function min(vec1: Vector2, vec2: Vector2): Vector2;
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export declare function max(vec1: Vector2, vec2: Vector2): Vector2;
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export declare function distance(vec1: Vector2, vec2: Vector2): number;
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export declare function normalize(vec: Vector2): Vector2;
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/**
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* 将给定向量围绕指定点旋转指定角度
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* @param vec
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* @param origin 旋转中心
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* @param angle 旋转角度，弧度制
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*/
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export declare function rotate(vec: Vector2, origin: Point, angle: number): number[];
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export declare function vertical(vec: Vector2, flag: boolean): Vector2;
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