@antv/util/lib/matrix/vertical.js

<h1 align="center">@antv/util</h1>

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.vertical = vertical;
/**
 * 计算二维向量的垂直向量
 * @param out
 * @param v
 * @param flag
 */
function vertical(out, v, flag) {
    if (flag) {
        out[0] = v[1];
        out[1] = -1 * v[0];
    }
    else {
        out[0] = -1 * v[1];
        out[1] = v[0];
    }
    return out;
}
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