javascript - Three.js - 在 JSON 对象上显示图像

Question

我正在使用该库的版本 71。我试图在 3D 对象的每个面上显示图像(通过 Blender 制作)。无论是通过不同的图像还是重复一张图像并不重要。该对象在实例化为 JSONLoader 后通过加载函数加载。以下是加载json文件的示例。在本例中，形状是一个立方体，有六个面。有没有办法修改以下代码来实现这一点？

    var loaderSix = new THREE.JSONLoader();
    loaderSix.load("./resources/json/six.json", function (model) {
        var materialSix = new THREE.MeshNormalMaterial();

        six = new THREE.Mesh(model, materialSix);
        six.translateY(1);
        six.scale = new THREE.Vector3(3, 3, 3);
        meshSix = THREE.SceneUtils.createMultiMaterialObject(six, materialSix);
    });

Answer 1

1) 如果您正在加载 Material ，并且已经有了几何图形，那么您是否尝试过“MeshFaceMaterial”(docs)？

var loaderSix = new THREE.JSONLoader();
    loaderSix.load("./resources/json/six.json", function (model) {
        var materialSix = new THREE.MeshFaceMaterial("your materials array: model");

        six = new THREE.Mesh("your cube geometry", materialSix);
        six.translateY(1);
        six.scale = new THREE.Vector3(3, 3, 3);
    });

2) 如果您正在加载对象，那么添加不同的图像“MeshFaceMaterial”也是一个选项，类似的示例 here 。我修改了该代码以适应情况:

    var image;        
    var materials = [];
    for (var i=0; i<6; i++) {
     image = "./resources/images/"+fileName+".png"
     materials.push(new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture(image)}));
    }
    var loaderSix = new THREE.JSONLoader();
        loaderSix.load("./resources/json/six.json", function (model) {
            var materialSix = new THREE.MeshFaceMaterial(materials);

            six = new THREE.Mesh(model, materialSix);
            six.translateY(1);
            six.scale = new THREE.Vector3(3, 3, 3);
        });