场景转json函数。

src/utils/SceneUtils.js

@@ -6,15 +6,106 @@ function toJSON(scene) {
     var list = [];
     var _this = this;
     scene.traverse(function (item) {
-        list.push(_this.parseObject(item));
+        list.push(obj3dToJson(item));
     });
+    console.log(list);
     return list;
 };
 
-toJSON.prototype.parseObject = function (item) {
-
+/**
+ * 将场景中的对象转换为Json
+ * @param {*} item 
+ */
+function obj3dToJson(item) {
+    var obj = {
+        type: item.type,
+        uuid: item.uuid,
+        castShadow: item.castShadow,
+        children: item.children.map(function (child) {
+            return child.id;
+        }),
+        frustumCulled: item.frustumCulled,
+        matrix: item.matrix,
+        matrixAutoUpdate: item.matrixAutoUpdate,
+        name: item.name,
+        parent: item.parent == null ? null : item.parent.uuid,
+        position: item.position,
+        quaternion: item.quaternion,
+        receiveShadow: item.receiveShadow,
+        renderOrder: item.renderOrder,
+        rotation: item.rotation,
+        scale: item.scale,
+        up: item.up,
+        userData: item.userData
+    };
+    if (item instanceof THREE.Scene) { // 场景
+        obj.background = item.background;
+        obj.fog = item.fog;
+        obj.overrideMaterial = item.overrideMaterial;
+    } else if (item instanceof THREE.Mesh) { // 网格
+        obj.drawMode = item.drawMode;
+        obj.geometry = geometryToJson(item.geometry);
+        obj.material = materialToJson(item.material);
+    } else if (item instanceof THREE.Light) { // 光源
+        obj.color = item.color;
+        obj.intensity = item.intensity;
+        if (item instanceof THREE.HemisphereLight) {
+            obj.skyColor = item.skyColor;
+            obj.groundColor = item.groundColor;
+        } else if (item instanceof THREE.PointLight) {
+            obj.distance = item.distance;
+            obj.decay = item.decay;
+        } else if (item instanceof THREE.RectAreaLight) {
+            obj.width = item.width;
+            oboj.height = item.height;
+        } else if (item instanceof THREE.SpotLight) {
+            obj.distance = item.distance;
+            obj.angle = item.angle;
+            obj.penumbra = item.penumbra;
+            obj.decay = item.decay;
+        }
+    }
+    return obj;
 };
 
+function geometryToJson(geometry) {
+
+}
+
+function materialToJson(material) {
+    var obj = {
+        alphaMap: material.alphaMap,
+        alphaTest: material.alphaTest,
+        aoMap: material.aoMap,
+        aoMapIntensity: material.aoMapIntensity,
+        blendDst: material.blendDst,
+        blendDstAlpha: material.blendDstAlpha,
+        blendEquation: material.blendEquation,
+        blendEquationAlpha: material.blendEquationAlpha,
+        blendSrc: material.blendSrc,
+        blendSrcAlpha: material.blendSrcAlpha,
+        blending: material.blending,
+        bumpMap: material.bumpMap,
+        bumpScale: material.bumpScale,
+        clipIntersection: material.clipIntersection,
+        clipShadow: material.clipShadow,
+        clippingPlanes: material.clippingPlanes,
+        color: material.color,
+        colorWrite: material.colorWrite,
+        depthFunc: material.depthFunc,
+        depthTest: material.depthTest,
+        depthWrite: material.depthWrite,
+        displacementBias: material.displacementBias,
+        displacementMap: material.displacementMap,
+        displacementScale: material.displacementScale,
+        dithering: material.dithering,
+        emissive: material.emissive,
+        emissiveIntensity: material.emissiveIntensity,
+        emissiveMap: material.emissiveMap
+    };
+    return obj;
+}
+
 /**
  * JSON对象转场景
  * @param {*} obj JSON对象