Babylonjs学习笔记(十)——拉伸多边形

pnpm i earcut   @types/earcut --save-d

import earcut from "earcut";

  const outline = [new Vector3(-0.3, 0, -0.1), new Vector3(0.2, 0, -0.1)];

  for (let i = 0; i < 20; i++) {
    outline.push(new Vector3(0.2 * Math.cos((i * Math.PI) / 40), 0, 0.2 * Math.sin((i * Math.PI) / 40) - 0.1));
  }

  outline.push(new Vector3(0, 0, 0.1));
  outline.push(new Vector3(-0.3, 0, 0.1));

  const car = MeshBuilder.ExtrudePolygon("car", { shape: outline, depth: 0.2 }, scene, earcut);