zh doc: sync with en doc.

docs/api/zh/animation/AnimationUtils.html

@@ -53,9 +53,12 @@
 		<h3>[method:Array sortedArray]( values, stride, order )</h3>
 		<p>
             将[page:AnimationUtils.getKeyframeOrder getKeyframeOrder]方法返回的数组排序。
-
 		</p>
 
+		<h3>[method:AnimationClip subclip]( [param:AnimationClip clip], [param:String name], [param:Number startFrame], [param:Number endFrame], [param:Number fps] )</h3>
+		<p>
+		Creates a new clip, containing only the segment of the original clip between the given frames.
+		</p>
 
 		<h2>源码</h2>
 

docs/api/zh/extras/core/Path.html

@@ -59,7 +59,7 @@
 		<h2>方法</h2>
 		<p>共有方法请参见其基类[page:CurvePath]。</p>
 
-		<h3>[method:null absarc]( [param:Float x], [param:Float y], [param:Float radius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise] )</h3>
+		<h3>[method:this absarc]( [param:Float x], [param:Float y], [param:Float radius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise] )</h3>
 		<p>
 			x, y -- 弧线的绝对中心。<br />
 			radius -- 弧线的半径。<br />
@@ -70,7 +70,7 @@
 			添加一条绝对定位的[page:EllipseCurve EllipseCurve]到路径中。
 		</p>
 
-		<h3>[method:null absellipse]( [param:Float x], [param:Float y], [param:Float xRadius], [param:Float yRadius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise], [param:Float rotation] )</h3>
+		<h3>[method:this absellipse]( [param:Float x], [param:Float y], [param:Float xRadius], [param:Float yRadius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise], [param:Float rotation] )</h3>
 		<p>
 			x, y -- 椭圆的绝对中心。<br />
 			xRadius -- 椭圆x轴方向的半径。<br />
@@ -83,7 +83,7 @@
 			添加一条绝对定位的[page:EllipseCurve EllipseCurve]到路径中。
 		</p>
 
-		<h3>[method:null arc]( [param:Float x], [param:Float y], [param:Float radius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise] )</h3>
+		<h3>[method:this arc]( [param:Float x], [param:Float y], [param:Float radius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise] )</h3>
 		<p>
 			x, y -- 弧线的中心来自上次调用后的偏移量。<br />
 			radius -- 弧线的半径。<br />
@@ -95,10 +95,10 @@
 		</p>
 
 
-		<h3>[method:null bezierCurveTo]( [param:Float cp1X], [param:Float cp1Y], [param:Float cp2X], [param:Float cp2Y], [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this bezierCurveTo]( [param:Float cp1X], [param:Float cp1Y], [param:Float cp2X], [param:Float cp2Y], [param:Float x], [param:Float y] )</h3>
 		<p>从[page:.currentPoint]创建一条贝塞尔曲线，以(cp1X, cp1Y)和(cp2X, cp2Y)作为控制点，并将[page:.currentPoint]更新到x,y。</p>
 
-		<h3>[method:null ellipse]( [param:Float x], [param:Float y], [param:Float xRadius], [param:Float yRadius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise], [param:Float rotation] )</h3>
+		<h3>[method:this ellipse]( [param:Float x], [param:Float y], [param:Float xRadius], [param:Float yRadius], [param:Float startAngle], [param:Float endAngle], [param:Float clockwise], [param:Float rotation] )</h3>
 		<p>
 			x, y -- 椭圆的中心来自上次调用后的偏移量。The center of the ellipse offset from the last call.<br />
 			xRadius -- 椭圆x轴方向的半径。<br />
@@ -111,25 +111,25 @@
 			添加一条[page:EllipseCurve EllipseCurve]到路径中，位置相对于[page:.currentPoint]。
 		</p>
 
-		<h3>[method:null lineTo]( [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this lineTo]( [param:Float x], [param:Float y] )</h3>
 		<p>在当前路径上，从[page:.currentPoint]连接一条直线到x,y。</p>
 
 
-		<h3>[method:null moveTo]( [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this moveTo]( [param:Float x], [param:Float y] )</h3>
 		<p>将[page:.currentPoint]移动到x, y。</p>
 
 
-		<h3>[method:null quadraticCurveTo]( [param:Float cpX], [param:Float cpY], [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this quadraticCurveTo]( [param:Float cpX], [param:Float cpY], [param:Float x], [param:Float y] )</h3>
 		<p>从[page:.currentPoint]创建一条二次曲线，以(cpX,cpY)作为控制点，并将[page:.currentPoint]更新到x,y。</p>
 
-		<h3>[method:null setFromPoints]( [param:Array vector2s] )</h3>
+		<h3>[method:this setFromPoints]( [param:Array vector2s] )</h3>
 		<p>
 			points -- [page:Vector2 Vector2]数组。<br /><br />
 
 			点将被作为[page:LineCurve LineCurves]加入到[page:CurvePath.curves curves]数组中。
 		</p>
 
-		<h3>[method:null splineThru] ( [param:Array points] ) </h3>
+		<h3>[method:this splineThru] ( [param:Array points] ) </h3>
 		<p>
 			points -[page:Vector2 Vector2]数组。<br /><br />
 

docs/api/zh/extras/core/ShapePath.html

@@ -44,27 +44,27 @@
 
 		<h2>方法</h2>
 
-		<h3>[method:null moveTo]( [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this moveTo]( [param:Float x], [param:Float y] )</h3>
 		<p>
 		创建一个新的[page:Path]，并在[page:Path]上调用[page:Path.moveTo]( x, y )。
 		</p>
 
-		<h3>[method:null lineTo]( [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this lineTo]( [param:Float x], [param:Float y] )</h3>
 		<p>这一方法从[page:ShapePath.currentPath currentPath]（当前路径）的偏移量创建一条到X和Y的线，并将偏移量更新为X和Y。
 		</p>
 
-		<h3>[method:null quadraticCurveTo]( [param:Float cpX], [param:Float cpY], [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this quadraticCurveTo]( [param:Float cpX], [param:Float cpY], [param:Float x], [param:Float y] )</h3>
 		<p>这一方法从[page:ShapePath.currentPath currentPath]（当前路径）创建一条到X和Y的二次曲线，cpX和cpY作为控制点，
 			并将[page:ShapePath.currentPath currentPath]的偏移量更新为x和y。
 		</p>
 
-		<h3>[method:null bezierCurveTo]( [param:Float cp1X], [param:Float cp1Y], [param:Float cp2X], [param:Float cp2Y], [param:Float x], [param:Float y] )</h3>
+		<h3>[method:this bezierCurveTo]( [param:Float cp1X], [param:Float cp1Y], [param:Float cp2X], [param:Float cp2Y], [param:Float x], [param:Float y] )</h3>
 		<p>
 			这一方法从[page:ShapePath.currentPath currentPath]（当前路径）的偏移量创建一条到X和Y的贝塞尔曲线，
 			cp1X、cp1Y和cp1X、cp1Y为控制点，并将[page:ShapePath.currentPath currentPath]的偏移量更新为x和y。
 		</p>
 
-		<h3>[method:null splineThru] ( [param:Array points] ) </h3>
+		<h3>[method:this splineThru] ( [param:Array points] ) </h3>
 		<p>points - 一个[page:Vector2]数组。</p>
 		<p>
 			连接一个新的[page:SplineCurve]（样条曲线）到[page:ShapePath.currentPath currentPath]（当前路径）。</p>

docs/api/zh/extras/curves/EllipseCurve.html

@@ -46,12 +46,10 @@ var ellipse = new THREE.Line( geometry, material );
 			[page:Float aY] – 椭圆的中心的Y坐标，默认值为*0*。<br/>
 			[page:Float xRadius] – X轴向上椭圆的半径，默认值为*1*。<br/>
 			[page:Float yRadius] – Y轴向上椭圆的半径，默认值为*1*。<br/>
-			[page:Radians aStartAngle] – 以弧度来表示，从正右侧算起曲线开始的角度，默认值为*0*。<br/>
-			[page:Radians aEndAngle] – 以弧度来表示，从正右侧算起曲线终止的角度，默认值为*2 x Math.PI*。<br/>
+			[page:Radians aStartAngle] – 以弧度来表示，从正X轴算起曲线开始的角度，默认值为*0*。<br/>
+			[page:Radians aEndAngle] – 以弧度来表示，从正X轴算起曲线终止的角度，默认值为*2 x Math.PI*。<br/>
 			[page:Boolean aClockwise] – 椭圆是否按照顺时针方向来绘制，默认值为*false*。<br/>
 			[page:Radians aRotation]  – 以弧度表示，椭圆从X轴正方向逆时针的旋转角度（可选），默认值为*0*。<br/><br/>
-
-			<em>请注意：</em> 当使用顺时针的时候，最好将起始角度角度设为(Math.PI * 2)，并向着更小的数字运行。
 		</p>
 
 		<h2>属性</h2>

docs/api/zh/lights/shadows/LightShadow.html

@@ -68,11 +68,11 @@
 		<p>
 			将此值设置为大于1的值将模糊阴影的边缘。<br />
 
-
-			较高的值会在阴影中产生不必要的条带效果 - 更大的[page:.mapSize mapSize]将允许在这些效果变得可见之前使用更高的值。<br /><br />
-
+			较高的值会在阴影中产生不必要的条带效果 - 更大的[page:.mapSize mapSize]将允许在这些效果变得可见之前使用更高的值。<br />
+			If [page:WebGLRenderer.shadowMap.type] is set to [page:Renderer PCFSoftShadowMap], it is recommended to
+			leave radius at 1 and increase softness by decreasing [page:.mapSize mapSize] instead.<br /><br />
+			
 			请注意，如果[page：WebGLRenderer.shadowMap.type]设置为[page:Renderer BasicShadowMap]，将会无效。
-
 		</p>