微信小程序AR基于three.js加载模型纹理失败，显示黑色

[WuxiyiYanis]

//加载cube
const geometry = new THREE.BoxBufferGeometry(0.2, 0.2, 0.2);
/* This doesn't work on iOS because of Uint8ClampedArray bug:
https://developers.weixin.qq.com/community/develop/doc/000408d4f304e038c20e4a00a51400
/
/
const rgbaData = new Uint8ClampedArray([
255,255,255,0,
0,0,0,0,
0,0,0,0,
255,255,255,0
]);*/

const rgbaData = new Uint8Array([
255,255,255,0,
0,0,0,0,
0,0,0,0,
255,255,255,0
]);

const texture = new THREE.DataTexture(rgbaData,2,2);
texture.needsUpdate = true;

const material = new THREE.MeshBasicMaterial({ map: texture });

const mesh = new THREE.Mesh(geometry, material);
mainModel = mesh;
scene.add(mesh);