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student-ar-org-ascollada-core-DaeSpline.ax

student-ar-org-ascollada-core-DaeSpline.ax [swf] flex


  /*
   * Copyright 2007 (c) Tim Knip, ascollada.org.
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use,
   * copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following
   * conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   */
   
  package org.ascollada.core 
  {
          import org.ascollada.ASCollada;
          import org.ascollada.core.DaeEntity;
          import org.ascollada.core.DaeInput;
          import org.ascollada.core.DaeSource;
          import org.ascollada.utils.Logger;
          
          

  
          public class @ax-student-ar-org-ascollada-core-DaeSpline extends DaeEntity
          {                
                  

  
                  public var vertices:Array;
                  
                  

  
                  public var closed:Boolean;
                  
                  
@param node @return

  
                  public function @ax-student-ar-org-ascollada-core-DaeSpline( node:XML ):void
                  {
                          super( node );
                  }
                  
                  
@param node @return

  
                  override public function read( node:XML ):void
                  {                                
                          if( node.localName() != ASCollada.DAE_SPLINE_ELEMENT )
                                  throw new Error( "expected a '" + ASCollada.DAE_SPLINE_ELEMENT + "' element" );
                                  
                          super.read( node );
                          
                          this.closed = getAttribute(node,ASCollada.DAE_CLOSED_ATTRIBUTE)  == "true" ? true : false;
                                  
                          var sourceList:XMLList = getNodeList( node, ASCollada.DAE_SOURCE_ELEMENT );
                          if( sourceList == new XMLList() )
                                  throw new Error( "<spline> requires at least one <source> element!" );
                                  
                          var cvsNode:XML = getNode( node, ASCollada.DAE_CONTROL_VERTICES_ELEMENT );
                          if( !cvsNode )
                                  throw new Error( "<spline> requires exactly one <control_vertices> element!" );
  
                          var inputList:XMLList = getNodeList( cvsNode, ASCollada.DAE_INPUT_ELEMENT );
                          var inputNode:XML;
                          var input:DaeInput;
                          var sourceNode:XML;
                          var source:DaeSource;
                          
                          for each( inputNode in inputList )
                          {
                                  input = new DaeInput( inputNode );
                                  
                                  switch( input.semantic )
                                  {
                                          // The position of the control vertex
                                          case "POSITION":
                                                  sourceNode = getNodeById( node, ASCollada.DAE_SOURCE_ELEMENT, input.source);
                                                  if( !sourceNode )
                                                          throw new Error( "source with id=" + input.source + " not found!" );
                                                  source = new DaeSource( sourceNode[0] );
                                                  this.vertices = source.values;
                                                  break;
                                          
                                          // The type of polynomial interpolation to represent the segment
                                          // starting at the CV. Common-profile types are:
                                          // LINEAR, BEZIER, HERMITE, CARDINAL, BSPLINE, STEP, and
                                          // NURBS
                                          case "INTERPOLATION":
                                                  break;
                                          
                                          // The tangent that controls the shape of the segment preceding the
                                          // CV (BEZIER and HERMITE)
                                          case "IN_TANGENT":
                                                  break;
                                          
                                          // The tangent that controls the shape of the segment following the
                                          // CV (BEZIER and HERMITE)
                                          case "OUT_TANGENT":
                                                  break;
                                                  
                                          // Defines the continuity constraint at the CV.
                                          // The common-profile types are: C0, C1, G1
                                          case "CONTINUITY":
                                                  break;
                                          
                                          // The number of piece-wise linear approximation steps to use for
                                          // the spline segment that follows this CV
                                          case "LINEAR_STEPS":
                                                  break;
                                                  
                                          default:
                                                  break;
                                  }
                          }
                  }
          }        
  }
  


(C) Æliens 04/09/2009

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