@phaserjs/phaser/geom/triangle/BuildEquilateralTriangle.js

Phaser 4

/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2020 Photon Storm Ltd.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */
import { Triangle } from "./Triangle";
export function BuildEquilateralTriangle(x, y, length) {
  const height = length * (Math.sqrt(3) / 2);
  const x1 = x;
  const y1 = y;
  const x2 = x + length / 2;
  const y2 = y + height;
  const x3 = x - length / 2;
  const y3 = y + height;
  return new Triangle(x1, y1, x2, y2, x3, y3);
}