Threejs不会在chrome android上加载gltf模型答案

【问题标题】：Threejs does not load gltf model on chrome androidThreejs不会在chrome android上加载gltf模型
【发布时间】：2021-09-12 15:57:39
【问题描述】：

我正在尝试在我的网站上显示一个简单的 GLTF 3d 模型。它适用于桌面 Mac 和 windows 以及 safari 和 Firefox 中的 iOS。但它不适用于Android的chrome？它也适用于桌面 chrome。

以下是我的代码示例。在ReactJS

import React from "react";
import { useCallback } from "react";
import * as THREE from "three";
import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js";
import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader";

const MyCanvas = ({ source }) => {
  const canvasRef = useCallback((node) => {
    if (node !== null) {
      const scene = new THREE.Scene();
      const gltfLoader = new GLTFLoader();

      gltfLoader.load(
        source,
        (gltf) => {
          console.log("success");
          // gltf.scene.scale.set(0.5, 0.5, 0.5);
          scene.add(gltf.scene);
        },
        () => {
          console.log("progress");
        },
        () => {
          console.log("error");
        }
      );

      const floor = new THREE.Mesh(
        new THREE.PlaneBufferGeometry(10, 10),
        new THREE.MeshStandardMaterial({
          color: "#444444",
          metalness: 0,
          roughness: 0.5,
        })
      );
      floor.receiveShadow = true;
      floor.rotation.x = -Math.PI * 0.5;
      scene.add(floor);

      /**
       * Lights
       */
      const ambientLight = new THREE.AmbientLight(0xffffff, 0.8);
      scene.add(ambientLight);

      const directionalLight = new THREE.DirectionalLight(0xffffff, 0.6);
      directionalLight.castShadow = true;
      directionalLight.shadow.mapSize.set(1024, 1024);
      directionalLight.shadow.camera.far = 15;
      directionalLight.shadow.camera.left = -7;
      directionalLight.shadow.camera.top = 7;
      directionalLight.shadow.camera.right = 7;
      directionalLight.shadow.camera.bottom = -7;
      directionalLight.position.set(5, 5, 5);
      scene.add(directionalLight);

      const sizes = {
        width: window.innerWidth - 20,
        height: 200,
      };

      const camera = new THREE.PerspectiveCamera(
        75,
        sizes.width / sizes.height,
        0.1,
        100
      );
      camera.position.set(2, 2, 2);
      scene.add(camera);

      // Controls
      const controls = new OrbitControls(camera, node);
      controls.target.set(0, 0.75, 0);
      controls.enableDamping = true;

      const renderer = new THREE.WebGLRenderer({
        canvas: node,
      });
      renderer.shadowMap.enabled = true;
      renderer.shadowMap.type = THREE.PCFSoftShadowMap;
      renderer.setSize(sizes.width, sizes.height);
      renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
      // renderer.render(scene, camera);
      const tick = () => {
        // Update controls
        controls.update();

        // Render
        renderer.render(scene, camera);

        // Call tick again on the next frame
        window.requestAnimationFrame(tick);
      };

      tick();
    }
  }, []);

  return <canvas ref={canvasRef} className="webgl"></canvas>;
};

export default MyCanvas;

我使用的是 Android 10，Android 版的 chrome 是 91.0.4472.120。我也在 Android 9 中尝试过，但无法正常工作

【问题讨论】：

标签： javascript android reactjs three.js gltf

【解决方案1】：

好的，问题是我正在显示大量 3d 模型，而 canvas 是列表中的一个子项，因此 10 个项目中的 list 有 10 个 canvas 作为子项，导致大量 @987654325 @。为了解决它，我关注了这个Allowing more WebGL contexts

【讨论】：