Docs: Added Scene.environment description.

docs/api/en/scenes/Scene.html

@@ -25,14 +25,6 @@
 
 		<h2>Properties</h2>
 
-		<h3>[property:Fog fog]</h3>
-
-		<p>A [page:Fog fog] instance defining the type of fog that affects everything rendered in the scene. Default is null.</p>
-
-		<h3>[property:Material overrideMaterial]</h3>
-
-		<p>If not null, it will force everything in the scene to be rendered with that material. Default is null.</p>
-
 		<h3>[property:boolean autoUpdate]</h3>
 		<p>
 		Default is true. If set, then the renderer checks every frame if the scene and its objects needs matrix updates.
@@ -44,19 +36,33 @@
 		If not null, sets the background used when rendering the scene, and is always rendered first. Can be set to a [page:Color] which sets the clear color, a [page:Texture] covering the canvas, or a cubemap as a [page:CubeTexture] or [page:WebGLRenderTargetCube]. Default is null.
 		</p>
 
-		<h2>Methods</h2>
-
-		<h3>[method:Object toJSON]</h3>
+		<h3>[property:Texture environment]</h3>
 		<p>
-		meta -- object containing metadata such as textures or images for the scene.<br />
-		Convert the scene to three.js [link:https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4 JSON Object/Scene format].
+		If not null, this texture is set as the environment map for all physical materials in the scene.
+		However, it's not possible to overwrite an existing texture assigned to [page:MeshStandardMaterial.envmap]. Default is null.
 		</p>
 
+		<h3>[property:Fog fog]</h3>
+
+		<p>A [page:Fog fog] instance defining the type of fog that affects everything rendered in the scene. Default is null.</p>
+
+		<h3>[property:Material overrideMaterial]</h3>
+
+		<p>If not null, it will force everything in the scene to be rendered with that material. Default is null.</p>
+
+		<h2>Methods</h2>
+
 		<h3>[method:null dispose]()</h3>
 		<p>
 		Clears scene related data internally cached by [page:WebGLRenderer].
 		</p>
 
+		<h3>[method:Object toJSON]</h3>
+		<p>
+		meta -- object containing metadata such as textures or images for the scene.<br />
+		Convert the scene to three.js [link:https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4 JSON Object/Scene format].
+		</p>
+
 		<h2>Source</h2>
 
 		<p>

docs/api/zh/scenes/Scene.html

@@ -26,15 +26,6 @@
 
 		<h2>属性</h2>
 
-		<h3>[property:Fog fog]</h3>
-
-		<p>一个[page:Fog fog]实例定义了影响场景中的每个物体的雾的类型。默认值为null。
-		</p>
-
-		<h3>[property:Material overrideMaterial]</h3>
-
-		<p>如果不为空，它将强制场景中的每个物体使用这里的材质来渲染。默认值为null。</p>
-
 		<h3>[property:boolean autoUpdate]</h3>
 		<p>
 			默认值为true，若设置了这个值，则渲染器会检查每一帧是否需要更新场景及其中物体的矩阵。
@@ -47,19 +38,34 @@
 			可以设置一个用于的“clear”的[page:Color]（颜色）、一个覆盖canvas的[page:Texture]（纹理），或是一个[page:CubeTexture]。默认值为null。
 		</p>
 
-		<h2>方法</h2>
-
-		<h3>[method:JSON toJSON]</h3>
+		<h3>[property:Texture environment]</h3>
 		<p>
-			meta -- 包含有元数据的对象，例如场景中的的纹理或图片。
-			将scene对象转换为 three.js [link:https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4 JSON Object/Scene format]（three.js JSON 物体/场景格式）。
+		If not null, this texture is set as the environment map for all physical materials in the scene.
+		However, it's not possible to overwrite an existing texture assigned to [page:MeshStandardMaterial.envmap]. Default is null.
 		</p>
 
+		<h3>[property:Fog fog]</h3>
+
+		<p>一个[page:Fog fog]实例定义了影响场景中的每个物体的雾的类型。默认值为null。
+		</p>
+
+		<h3>[property:Material overrideMaterial]</h3>
+
+		<p>如果不为空，它将强制场景中的每个物体使用这里的材质来渲染。默认值为null。</p>
+
+		<h2>方法</h2>
+
 		<h3>[method:null dispose]()</h3>
 		<p>
 			清除[page:WebGLRenderer]内部所缓存的场景相关的数据。
 		</p>
 
+		<h3>[method:JSON toJSON]</h3>
+		<p>
+			meta -- 包含有元数据的对象，例如场景中的的纹理或图片。
+			将scene对象转换为 three.js [link:https://github.com/mrdoob/three.js/wiki/JSON-Object-Scene-format-4 JSON Object/Scene format]（three.js JSON 物体/场景格式）。
+		</p>
+
 		<h2>源代码</h2>
 
 		<p>