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7 lines
230 B
7 lines
230 B
/**
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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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