我有一个用three.js制作的二维平面图
我用这样的方式增加了形状:
var geometry = new THREE.Geometry();
geometry.vertices.push(
new THREE.Vector3(50, 0, 90),
new THREE.Vector3(130, 0, 95),
new THREE.Vector3(74, 0, -50)
);
geometry.faces.push(new THREE.Face3(0, 1, 2));
var material = new THREE.MeshBasicMaterial({ colo