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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="book" content="ActionScript&nbsp;3.0&nbsp;Language&nbsp;and&nbsp;Components&nbsp;Reference"><link rel="stylesheet" href="../../style.css" type="text/css" media="screen"><link rel="stylesheet" href="../../print.css" type="text/css" media="print"><link rel="stylesheet" href="../../override.css" type="text/css"><meta name="keywords" content="TriangleCulling,flash.display.TriangleCulling,ACTIONSCRIPT2,ACTIONSCRIPT3,ADD,ALPHA,ALPHA,ALWAYS,AUTO,BEST,BEVEL,BLUE,BOOL2,BOOL3,BOOL4,BOOL,BOTTOM,BOTTOM,BOTTOM,BOTTOM_LEFT,BOTTOM_LEFT,BOTTOM_RIGHT,BOTTOM_RIGHT,CURVE_TO,DARKEN,DEFAULT,DEFAULT_OFF,DEFAULT_ON,DIFFERENCE,ERASE,EVEN_ODD,EXACT_FIT,FAST,FLASH10,FLASH1,FLASH2,FLASH3,FLASH4,FLASH5,FLASH6,FLASH7,FLASH8,FLASH9,FLOAT2,FLOAT3,FLOAT4,FLOAT,FULL,FULL_SCREEN,FULL_SCREEN_INTERACTIVE,GREEN,HARDLIGHT,HIGH,HORIZONTAL,INT2,INT3,INT4,INT,INVERT,LAYER,LEFT,LEFT,LIGHTEN,LIGHTWEIGHT,LINEAR,LINEAR_RGB,LINE_TO,LOW,MATRIX2X2,MATRIX3X3,MATRIX4X4,MAXIMIZED,MEDIUM,MINIMIZED,MITER,MOVE_TO,MULTIPLY,NEGATIVE,NEVER,NONE,NONE,NONE,NONE,NONE,NONE,NON_ZERO,NORMAL,NORMAL,NORMAL,NORMAL,NORMAL,NO_BORDER,NO_OP,NO_SCALE,OFF,ON,OVERLAY,PAD,POSITIVE,RADIAL,RED,REFLECT,REPEAT,RGB,RIGHT,RIGHT,ROUND,ROUND,SCREEN,SHADER,SHOW_ALL,SQUARE,STANDARD,SUBTRACT,TOP,TOP,TOP,TOP_LEFT,TOP_LEFT,TOP_RIGHT,TOP_RIGHT,UNSUPPORTED,UTILITY,VERTICAL,WIDE_LINE_TO,WIDE_MOVE_TO,accessibilityProperties,actionScriptVersion,active,align,alpha,alpha,alphas,alwaysInFront,applicationDomain,bitmapData,bitmapData,blendMode,blendShader,bounds,bounds,buttonMode,byteCode,bytesLoaded,bytes,bytesTotal,cacheAsBitmap,caps,channels,checked,childAllowsParent,childSandboxBridge,closed,colorCorrection,colorCorrectionSupport,colorDepth,color,colors,commands,content,contentLoaderInfo,content,contentType,contextMenu,culling,currentFrameLabel,currentFrame,currentLabel,currentLabels,currentScene,data,data,data,displayState,displayState,doubleClickEnabled,downState,dropTarget,enabled,enabled,enabled,fill,filters,focalPointRatio,focusRect,focus,frameRate,frameRate,frame,framesLoaded,fullScreenHeight,fullScreenSourceRect,fullScreenWidth,graphics,graphics,height,height,height,height,height,height,height,hitArea,hitTestState,index,index,indices,input,interpolationMethod,isSeparator,items,joints,keyEquivalentModifiers,keyEquivalent,label,labels,loaderInfo,loader,loaderURL,mainScreen,mask,matrix,matrix,matrix,maxSize,maximizable,maximizable,menu,menu,minSize,minimizable,minimizable,miterLimit,mnemonicIndex,mouseChildren,mouseChildren,mouseEnabled,mouseX,mouseY,name,name,name,name,nativeWindow,numChildren,numChildren,numFrames,numItems,opaqueBackground,overState,parameters,parentAllowsChild,parent,parentSandboxBridge,parent,pixelHinting,pixelSnapping,precisionHint,progress,quality,ratios,rect,repeat,resizable,resizable,root,rotation,rotationX,rotationY,rotationZ,sameDomain,scale9Grid,scaleMode,scaleMode,scaleX,scaleY,scaleZ,scenes,screens,scrollRect,shader,shader,sharedEvents,showDefaultContextMenu,smooth,smoothing,soundTransform,soundTransform,spreadMethod,stageFocusRect,stageHeight,stage,stage,stageWidth,submenu,supportsMenu,supportsNotification,supportsTransparency,swfVersion,systemChrome,systemChrome,systemMaxSize,systemMinSize,tabChildren,tabChildren,tabEnabled,tabIndex,target,textSnapshot,textSnapshot,thickness,title,totalFrames,trackAsMenu,trackAsMenu,transform,transparent,transparent,transparent,type,type,type,type,upState,url,useHandCursor,useHandCursor,uvtData,value,vertices,visibleBounds,visible,visible,width,width,width,width,width,width,width,winding,x,x,y,y,z"><title>flash.display.TriangleCulling (ActionScript 3.0)</title></head><body><script language="javascript" type="text/javascript" src="../../asdoc.js"></script><script language="javascript" type="text/javascript" src="../../help.js"></script><script language="javascript" type="text/javascript" src="../../cookies.js"></script><script language="javascript" type="text/javascript">  
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	</script><table class="titleTable" cellpadding="0" cellspacing="0" id="titleTable" style="display:none"><tr><td class="titleTableTitle" align="left">ActionScript 3.0 Language and Components Reference</td><td class="titleTableSearch" align="center"><form class="searchForm" method="get" action="../../search.html" onsubmit="submitValue();"><input class="hidden" name="loc" value="" type="hidden"><input class="hidden" name="termPrefix" value="" type="hidden"><input class="hidden" name="term" value="" type="hidden"><input class="hidden" name="area" value="" type="hidden"><input id="search-livedocs" name="search_text" value="" title="" type="text"> <input type="button" name="action" value="Search" onclick="submitValue()"></form></td><td class="titleTableTopNav" align="right"><a href="../../../../Flash/10.0_Welcome/index.html">Home</a>&nbsp;|&nbsp;<a href="../../package-summary.html" onclick="loadClassListFrame('../../all-classes.html')">All Packages</a>&nbsp;|&nbsp;<a href="../../class-summary.html" onclick="loadClassListFrame('../../all-classes.html')">All Classes</a>&nbsp;|&nbsp;<a href="../../language-elements.html">Language Elements</a>&nbsp;| <a href="../../all-index-Symbols.html" onclick="loadClassListFrame('../../index-list.html')">Index</a>&nbsp;|&nbsp;<a href="../../appendixes.html">Appendixes</a>&nbsp;|&nbsp;<a href="../../conventions.html">Conventions</a>&nbsp;|&nbsp;<a id="framesLink1" href="../../index.html?flash/display/TriangleCulling.html&amp;flash/display/class-list.html">Frames</a><a id="noFramesLink1" style="display:none" href="" onclick="parent.location=document.location"> No Frames </a></td><td class="titleTableLogo" align="right" rowspan="3"><img src="../../images/logo.jpg" class="logoImage" alt=" Adobe Logo " title=" Adobe Logo "></td></tr><tr class="titleTableRow2"><td class="titleTableSubTitle" id="subTitle" align="left">TriangleCulling</td><td class="titleTableSubNav" id="subNav" align="right" colspan="2"><a href="#propertySummary">Properties</a>&nbsp;| <a href="#methodSummary">Methods</a>&nbsp;| <a href="#eventSummary">Events</a>&nbsp;| <a href="#styleSummary">Styles</a>&nbsp;| <a href="#effectSummary">Effects</a>&nbsp;| <a href="#constantSummary">Constants</a>&nbsp;| <a href="#includeExamplesSummary">Examples</a></td></tr><tr class="titleTableRow3"><td colspan="3">&nbsp;</td></tr></table><script language="javascript" type="text/javascript" xml:space="preserve">
                
                    
                

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			</script><div class="MainContent"><table class="classHeaderTable" cellpadding="0" cellspacing="0"><tr><td class="classHeaderTableLabel">Package</td><td><a href="package-detail.html" onclick="javascript:loadClassListFrame('class-list.html')">flash.display</a></td></tr><tr><td class="classHeaderTableLabel">Class</td><td class="classSignature">public final   class  TriangleCulling</td></tr><tr><td class="classHeaderTableLabel">Inheritance</td><td class="inheritanceList">TriangleCulling  <img src="../../images/inherit-arrow.gif" title="Inheritance" alt="Inheritance" class="inheritArrow"> <a href="../../Object.html">Object</a></td></tr></table><p></p><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b>Language Version:&nbsp;</b></td><td>ActionScript 3.0</td></tr></table><table cellpadding="0" cellspacing="0" border="0"><tr><td style="white-space:nowrap" valign="top"><b>Runtime Versions:&nbsp;</b></td><td>Flash Player 10, AIR 1.5</td></tr></table><p></p><p></p><p></p>
        Defines codes for culling algorithms that determine which triangles not to render when drawing triangle paths.
        <p>
          The terms
          <code>POSITIVE</code>
          and
          <code>NEGATIVE</code>
          refer to the sign of a triangle's normal along the z-axis. 
 The normal is a 3D vector that is perpendicular to the surface of the triangle.
        </p>
        
               <p>
          A triangle whose vertices 0, 1, and 2 are arranged in a clockwise order has a positive normal value. That is,
 its normal points in a positive z-axis direction, away from the current view point.  
 When the
          <code>TriangleCulling.POSITIVE</code>
          algorithm is used, triangles with positive normals
 are not rendered. Another term for this is backface culling.
        </p>
        
               <p>
          A triangle whose vertices are arranged in a counter-clockwise order has a negative normal value. That is,
 its normal points in a negative z-axis direction, toward the current view point. 
 When the
          <code>TriangleCulling.NEGATIVE</code>
          algorithm is used, triangles with negative normals will not 
 be rendered.
        </p>
        
            <p></p><p><span class="classHeaderTableLabel">See also</span></p><div class="seeAlso"><a href="Graphics.html#drawTrianglePath()" target="">flash.display.Graphics.drawTrianglePath()</a><br/><a href="GraphicsTrianglePath.html" target="">flash.display.GraphicsTrianglePath</a><br/><a href="http://www.gamedev.net/reference/articles/article1089.asp" target="mm_external">Introduction to 3D Vectors</a><br/><a href="http://www.gamedev.net/reference/articles/article1088.asp" target="mm_external">3D Backface Culling</a></div><br/><hr></div><a name="propertySummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Properties</div><div class="showHideLinks"><div id="hideInheritedProperty" class="hideInheritedProperty"><a class="showHideLink" href="#propertySummary" onclick="javascript:setInheritedVisible(false,'Property');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Public Properties</a></div><div id="showInheritedProperty" class="showInheritedProperty"><a class="showHideLink" href="#propertySummary" onclick="javascript:setInheritedVisible(true,'Property');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Public Properties</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedProperty" id="summaryTableProperty"><tr><th>&nbsp;</th><th colspan="2">Property</th><th>Defined By</th></tr><tr class="hideInheritedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../Object.html#constructor" class="signatureLink">constructor</a> : <a href="../../Object.html">Object</a><div class="summaryTableDescription">A reference to the class object or constructor function for a given object instance.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedProperty"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><a href="../../Object.html#prototype" class="signatureLink">prototype</a> : <a href="../../Object.html">Object</a><div class="summaryTableDescription">[static] A reference to the prototype object of a class or function object.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr></table></div><a name="methodSummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Methods </div><div class="showHideLinks"><div id="hideInheritedMethod" class="hideInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(false,'Method');"><img class="showHideLinkImage" src="../../images/expanded.gif"> Hide Inherited Public Methods</a></div><div id="showInheritedMethod" class="showInheritedMethod"><a class="showHideLink" href="#methodSummary" onclick="javascript:setInheritedVisible(true,'Method');"><img class="showHideLinkImage" src="../../images/collapsed.gif"> Show Inherited Public Methods</a></div></div><table cellspacing="0" cellpadding="3" class="summaryTable hideInheritedMethod" id="summaryTableMethod"><tr><th>&nbsp;</th><th colspan="2">Method</th><th>Defined By</th></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#hasOwnProperty()" class="signatureLink">hasOwnProperty</a>(name:<a href="../../String.html">String</a>):<a href="../../Boolean.html">Boolean</a></div><div class="summaryTableDescription">Indicates whether an object has a specified property defined.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#isPrototypeOf()" class="signatureLink">isPrototypeOf</a>(theClass:<a href="../../Object.html">Object</a>):<a href="../../Boolean.html">Boolean</a></div><div class="summaryTableDescription">Indicates whether an instance of the Object class is in the prototype chain of the object specified 
  as the parameter.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#propertyIsEnumerable()" class="signatureLink">propertyIsEnumerable</a>(name:<a href="../../String.html">String</a>):<a href="../../Boolean.html">Boolean</a></div><div class="summaryTableDescription">Indicates whether the specified property exists and is enumerable.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#setPropertyIsEnumerable()" class="signatureLink">setPropertyIsEnumerable</a>(name:<a href="../../String.html">String</a>, isEnum:<a href="../../Boolean.html">Boolean</a> = true):<a href="../../specialTypes.html#void">void</a></div><div class="summaryTableDescription">Sets the availability of a dynamic property for loop operations.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#toString()" class="signatureLink">toString</a>():<a href="../../String.html">String</a></div><div class="summaryTableDescription">Returns the string representation of the specified object.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr><tr class="hideInheritedMethod"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol"><img src="../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../Object.html#valueOf()" class="signatureLink">valueOf</a>():<a href="../../Object.html">Object</a></div><div class="summaryTableDescription">Returns the primitive value of the specified object.</div></td><td class="summaryTableOwnerCol"><a href="../../Object.html">Object</a></td></tr></table></div><a name="constantSummary"></a><div class="summarySection"><div class="summaryTableTitle">Public Constants</div><table cellspacing="0" cellpadding="3" class="summaryTable " id="summaryTableConstant"><tr><th>&nbsp;</th><th colspan="2">Constant</th><th>Defined By</th></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a href="#NEGATIVE" class="signatureLink">NEGATIVE</a> : <a href="../../String.html">String</a> = "negative"<div class="summaryTableDescription">[static] Specifies culling of all triangles facing toward the current view point.</div></td><td class="summaryTableOwnerCol">TriangleCulling</td></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a href="#NONE" class="signatureLink">NONE</a> : <a href="../../String.html">String</a> = "none"<div class="summaryTableDescription">[static] Specifies no culling.</div></td><td class="summaryTableOwnerCol">TriangleCulling</td></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a href="#POSITIVE" class="signatureLink">POSITIVE</a> : <a href="../../String.html">String</a> = "positive"<div class="summaryTableDescription">[static] Specifies culling of all triangles facing away from the current view point.</div></td><td class="summaryTableOwnerCol">TriangleCulling</td></tr></table></div><script language="javascript" type="text/javascript"><!--
                      showHideInherited();
                      --></script><div class="MainContent"><div class="detailSectionHeader">Constant Detail</div><a name="constantDetail"></a><a name="NEGATIVE"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">NEGATIVE</td><td class="detailHeaderType">Constant</td></tr></table><div class="detailBody"><code>public static const NEGATIVE:<a href="../../String.html">String</a> = "negative"</code><p></p><p></p><p>Specifies culling of all triangles facing toward the current view point.</p></div><a name="constantDetail"></a><a name="NONE"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">NONE</td><td class="detailHeaderType">Constant</td><td class="detailHeaderRule">&nbsp;</td></tr></table><div class="detailBody"><code>public static const NONE:<a href="../../String.html">String</a> = "none"</code><p></p><p></p><p>Specifies no culling. All triangles in the path are rendered.</p></div><a name="constantDetail"></a><a name="POSITIVE"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">POSITIVE</td><td class="detailHeaderType">Constant</td><td class="detailHeaderRule">&nbsp;</td></tr></table><div class="detailBody"><code>public static const POSITIVE:<a href="../../String.html">String</a> = "positive"</code><p></p><p></p><p>Specifies culling of all triangles facing away from the current view point. 
     This is also known as backface culling.</p></div><br/><br/><hr><br/><p></p><center class="copyright"> &copy; 2004-2008 Adobe Systems Incorporated. All rights reserved. <br/>Thu Oct 30 2008, 07:08 PM -07:00  </center><div style="display:none">TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling TriangleCulling 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