topical media & game development

topical media & game development

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

student-ar-org-papervision3d-core-animation-channel-MatrixStackChannel3D.ax

student-ar-org-papervision3d-core-animation-channel-MatrixStackChannel3D.ax [swf] flex


  package org.papervision3d.core.animation.channel {
          import org.papervision3d.core.animation.AnimationKeyFrame3D;
          import org.papervision3d.core.math.Matrix3D;
          import org.papervision3d.objects.DisplayObject3D;

author: Tim Knip


   
          public class @ax-student-ar-org-papervision3d-core-animation-channel-MatrixStackChannel3D extends AbstractChannel3D
          {

Constructor. @param target @param name


   
                  public function @ax-student-ar-org-papervision3d-core-animation-channel-MatrixStackChannel3D(target:DisplayObject3D, name:String=null)
                  {
                          super(target, name);
                          
                          this.keyFrames = new Array();
                          
                          _matrixStack = new Array();
                  }

Adds a MatrixChannel3D to this channel. @param channel


  
                  public function addMatrixChannel(channel:MatrixChannel3D):void
                  {
                          if(_matrixStack.length)
                          {
                                  this.startTime = Math.min(this.startTime, channel.startTime);
                                  this.endTime = Math.max(this.endTime, channel.endTime);
                          }
                          else
                          {
                                  this.startTime = channel.startTime;
                                  this.endTime = channel.endTime;
                                  this.keyFrames = channel.keyFrames;
                          }
  
                          _matrixStack.push(channel);
                  }

Adds a new keyframe. @param keyframe @return The added keyframe.


   
                  public override function addKeyFrame(keyframe:AnimationKeyFrame3D):AnimationKeyFrame3D
                  {
                          throw new Error("You can't add keyframes to a @ax-student-ar-org-papervision3d-core-animation-channel-MatrixStackChannel3D!");
                  }

Updates this channel. @param keyframe @param target


   
                  public override function updateToFrame(keyframe:uint):void
                  {
                          super.updateToFrame(keyframe);        
                          
  
                          var matrix:Matrix3D = Matrix3D.IDENTITY;
                          
                          for(var i:int = 0; i < _matrixStack.length; i++)
                          {
                                  var channel:MatrixChannel3D = _matrixStack[i];
                                  
                                  channel.updateToFrame(keyframe);
                                  
                                  matrix = Matrix3D.multiply(matrix, channel.currentKeyFrame.output[0]);
                          }
                          
          //                this.output = [matrix];
                          
          //                target.copyTransform(this.output[0]);
                  }
                  
                  private var _matrixStack:Array;
          }
  }

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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