working on object3d mouse events

src/AlternativaEditor.mxml

@@ -439,7 +439,8 @@
             private function newLevel():void
             {
                 this.mainScene.clear();
-                this.cursorScene.updateMaterial();
+                //this.cursorScene.updateMaterial();
+                this.cursorScene.clear();
             }
             
             private function onImportFromTanksClick(param1:NativeMenuItem):void
@@ -526,7 +527,8 @@
             {
                 this.mainScene.clear();
                 this.mainScene.changed = true;
-                this.cursorScene.updateMaterial();
+                //this.cursorScene.updateMaterial();
+                this.cursorScene.clear();
             }
             
             private function onSelectAll(param1:NativeMenuItem):void

src/alternativa/editor/Preview.as

@@ -63,8 +63,7 @@ package alternativa.editor
          this.cameraContainer.addChild(this.camera);
          this.camera.setPositionXYZ(0,-100,40);
          this.scene.root.addChild(this.cameraContainer);
-         this.view = new View(100,100);
+         this.view = new View(this.camera,100,100);
-         this.camera.view = this.view;
          addChild(this.view);
          //this.view.graphics.beginFill(16777215);
          //this.view.graphics.drawRect(0,0,1,1);

src/alternativa/editor/scene/CursorScene.as

@@ -82,6 +82,7 @@ package alternativa.editor.scene
          this.containerController.object = this.container;
          this.containerController.mouseEnabled = false;
          this.container.addChild(this.mainScene.camera);
+         this.container.mouseChildren = false;
       }
       
       public function set object(param1:Prop) : void
@@ -219,7 +220,7 @@ package alternativa.editor.scene
       {
          if(this._object)
          {
-            if(this.mainScene.root.getChildByName(this._object.name))
+            if(this.mainScene.root.contains(this._object))
             {
                this.mainScene.root.removeChild(this._object);
             }

src/alternativa/editor/scene/EditorScene.as

@@ -65,12 +65,12 @@ package alternativa.editor.scene
       protected function initScene() : void
       {
          root = new Object3DContainer();
+         root.name = "EditorRoot";
          this.camera = new Camera3D();
          this.camera.rotationX = -MathUtils.DEG90 - MathUtils.DEG30;
          this.camera.setPositionXYZ(250,-7800,4670);
          //root.addChild(this.camera);
-         this.view = new View(100,100);
+         this.view = new View(this.camera,100,100);
-         this.camera.view = view;
          this.view.interactive = true;
          this.view.buttonMode = true;
          this.view.useHandCursor = false;

src/alternativa/engine3d/core/Camera3D.as

@@ -52,7 +52,7 @@ package alternativa.engine3d.core
         private static const constantsVertexBuffer:VertexBufferResource = createConstantsVertexBuffer((constantsMaxTriangles * 3));
         private static const constantsIndexBuffer:IndexBufferResource = createConstantsIndexBuffer((constantsMaxTriangles * 3));
 
-        public var view:View;
+        alternativa3d var view:View;
         public var fov:Number = 1.5707963267949;
         public var nearClipping:Number = 1;
         public var farClipping:Number = 1000000;
@@ -197,6 +197,7 @@ package alternativa.engine3d.core
             this.lastWrapper = this.firstWrapper;
             this.lastVertex = this.firstVertex;
             this.lastFace = this.firstFace;
+            this.mouseEnabled = false;
             super();
         }
 

src/alternativa/engine3d/core/Object3D.as

@@ -228,6 +228,13 @@ package alternativa.engine3d.core
         public function get transformation() : Matrix4
         {
             tA.composeMatrixFromSource(this);
+            var _local_1:Object3D = this;
+            while (_local_1._parent != null)
+            {
+                _local_1 = _local_1._parent;
+                tB.composeMatrixFromSource(_local_1);
+                tA.appendMatrix(tB);
+            };
             return new Matrix4(tA.ma, tA.mb, tA.mc, tA.md, tA.me, tA.mf, tA.mg, tA.mh, tA.mi, tA.mj, tA.mk, tA.ml);
         }
 
@@ -261,7 +268,7 @@ package alternativa.engine3d.core
             return (new Matrix3D(Vector.<Number>([tA.ma, tA.me, tA.mi, 0, tA.mb, tA.mf, tA.mj, 0, tA.mc, tA.mg, tA.mk, 0, tA.md, tA.mh, tA.ml, 1])));
         }
 
-        public function localToGlobal(_arg_1:Vector3D):Vector3D
+        public function localToGlobal(_arg_1:Vector3D, vector:Boolean = false):Vector3D
         {
             tA.composeMatrixFromSource(this);
             var _local_2:Object3D = this;
@@ -272,9 +279,15 @@ package alternativa.engine3d.core
                 tA.appendMatrix(tB);
             };
             var _local_3:Vector3D = new Vector3D();
-            _local_3.x = ((((tA.ma * _arg_1.x) + (tA.mb * _arg_1.y)) + (tA.mc * _arg_1.z)) + tA.md);
+            _local_3.x = (((tA.ma * _arg_1.x) + (tA.mb * _arg_1.y)) + (tA.mc * _arg_1.z));
-            _local_3.y = ((((tA.me * _arg_1.x) + (tA.mf * _arg_1.y)) + (tA.mg * _arg_1.z)) + tA.mh);
+            _local_3.y = (((tA.me * _arg_1.x) + (tA.mf * _arg_1.y)) + (tA.mg * _arg_1.z));
-            _local_3.z = ((((tA.mi * _arg_1.x) + (tA.mj * _arg_1.y)) + (tA.mk * _arg_1.z)) + tA.ml);
+            _local_3.z = (((tA.mi * _arg_1.x) + (tA.mj * _arg_1.y)) + (tA.mk * _arg_1.z));
+            if(!vector)
+            {
+                _local_3.x += tA.md;
+                _local_3.y += tA.mh;
+                _local_3.z += tA.ml;
+            }
             return (_local_3);
         }
 

src/alternativa/engine3d/core/Object3DContainer.as

@@ -421,25 +421,29 @@ package alternativa.engine3d.core
             var _local_9:Object3D = this.childrenList;
             while (_local_9 != null)
             {
-                _local_9.composeMatrix();
+                var cont:Object3DContainer = _local_9 as Object3DContainer;
-                _local_9.invertMatrix();
+                if((cont == null && _local_9.mouseEnabled) || (cont && cont.mouseChildren))
-                if (_local_5 == null)
                 {
-                    _local_5 = new Vector3D();
+                    _local_9.composeMatrix();
-                    _local_6 = new Vector3D();
+                    _local_9.invertMatrix();
-                };
+                    if (_local_5 == null)
-                _local_5.x = ((((_local_9.ma * _arg_1.x) + (_local_9.mb * _arg_1.y)) + (_local_9.mc * _arg_1.z)) + _local_9.md);
+                    {
-                _local_5.y = ((((_local_9.me * _arg_1.x) + (_local_9.mf * _arg_1.y)) + (_local_9.mg * _arg_1.z)) + _local_9.mh);
+                        _local_5 = new Vector3D();
-                _local_5.z = ((((_local_9.mi * _arg_1.x) + (_local_9.mj * _arg_1.y)) + (_local_9.mk * _arg_1.z)) + _local_9.ml);
+                        _local_6 = new Vector3D();
-                _local_6.x = (((_local_9.ma * _arg_2.x) + (_local_9.mb * _arg_2.y)) + (_local_9.mc * _arg_2.z));
+                    };
-                _local_6.y = (((_local_9.me * _arg_2.x) + (_local_9.mf * _arg_2.y)) + (_local_9.mg * _arg_2.z));
+                    _local_5.x = ((((_local_9.ma * _arg_1.x) + (_local_9.mb * _arg_1.y)) + (_local_9.mc * _arg_1.z)) + _local_9.md);
-                _local_6.z = (((_local_9.mi * _arg_2.x) + (_local_9.mj * _arg_2.y)) + (_local_9.mk * _arg_2.z));
+                    _local_5.y = ((((_local_9.me * _arg_1.x) + (_local_9.mf * _arg_1.y)) + (_local_9.mg * _arg_1.z)) + _local_9.mh);
-                _local_10 = _local_9.intersectRay(_local_5, _local_6, _arg_3, _arg_4);
+                    _local_5.z = ((((_local_9.mi * _arg_1.x) + (_local_9.mj * _arg_1.y)) + (_local_9.mk * _arg_1.z)) + _local_9.ml);
-                if (((!(_local_10 == null)) && (_local_10.time < _local_8)))
+                    _local_6.x = (((_local_9.ma * _arg_2.x) + (_local_9.mb * _arg_2.y)) + (_local_9.mc * _arg_2.z));
-                {
+                    _local_6.y = (((_local_9.me * _arg_2.x) + (_local_9.mf * _arg_2.y)) + (_local_9.mg * _arg_2.z));
-                    _local_8 = _local_10.time;
+                    _local_6.z = (((_local_9.mi * _arg_2.x) + (_local_9.mj * _arg_2.y)) + (_local_9.mk * _arg_2.z));
-                    _local_7 = _local_10;
+                    _local_10 = _local_9.intersectRay(_local_5, _local_6, _arg_3, _arg_4);
-                };
+                    if (((!(_local_10 == null)) && (_local_10.time < _local_8)))
+                    {
+                        _local_8 = _local_10.time;
+                        _local_7 = _local_10;
+                    };
+                }
                 _local_9 = _local_9.next;
             };
             return (_local_7);

src/alternativa/engine3d/core/View.as

@@ -24,6 +24,12 @@ package alternativa.engine3d.core{
     import __AS3__.vec.*;
     import alternativa.engine3d.alternativa3d; 
     import flash.display3D.Context3D;
+    import mx.controls.Alert;
+    import flash.geom.Vector3D;
+    import alternativa.math.Quaternion;
+    import alternativa.engine3d.primitives.Box;
+    import alternativa.engine3d.materials.FillMaterial;
+    import alternativa.math.Matrix3;
 
     use namespace alternativa3d;
 
@@ -40,6 +46,9 @@ package alternativa.engine3d.core{
         private static var configured:Boolean = false;
         private static var cleared:Boolean = true;
         
+        private static const tmpVec1:Vector3D = new Vector3D();
+        private static const tmpMatrix3:Matrix3 = new Matrix3();
+
         private var presented:Boolean = false;
         private var globalCoords:Point;
         alternativa3d var rect:Rectangle = new Rectangle();
@@ -75,10 +84,12 @@ package alternativa.engine3d.core{
 
         private var _interactive:Boolean = false;
 
-        public function View(width:Number, height:Number, constrainedMode:Boolean=false){
+        public function View(camera:Camera3D, width:Number, height:Number, constrainedMode:Boolean=false){
             super();
             this._width = width;
             this._height = height;
+            this.camera = camera;
+            camera.view = this;
             this.constrained = constrainedMode;
             mouseEnabled = true;
             mouseChildren = true;
@@ -289,6 +300,7 @@ package alternativa.engine3d.core{
         }
 
         private function onMouseMove(_arg_1:MouseEvent):void{
+            return;
             this.onMouse(_arg_1);
             this.defineTarget(_arg_1);
             if (this.target != null)
@@ -603,72 +615,66 @@ package alternativa.engine3d.core{
             };
         }
 
-        private function defineTarget(_arg_1:MouseEvent):void{
+        private function defineTarget(_arg_1:MouseEvent):void
-            var _local_2:Object3D;
+        {
-            var _local_3:Object3D;
-            var _local_6:Canvas;
-            var _local_7:DisplayObject;
-            var _local_8:Object3D;
-            var _local_9:Object3D;
             mouse.x = _arg_1.localX;
             mouse.y = _arg_1.localY;
-            var _local_4:Array = ((stage != null) ? stage.getObjectsUnderPoint(localToGlobal(mouse)) : super.getObjectsUnderPoint(mouse));
+
-            var _local_5:int = (_local_4.length - 1);
+            //idk how to make this to work, pls help
-            while (_local_5 >= 0)
+
+            this.target = null;
+
+            var root:Object3DContainer = this.camera.parent;
+
+            while(root != null)
             {
-                _local_6 = null;
+                var parent:Object3DContainer = root.parent;
-                _local_7 = _local_4[_local_5];
+                if(parent == null)
-                while (_local_7.parent != stage)
+                    break;
-                {
+                if(!parent.mouseChildren)
-                    _local_6 = (_local_7 as Canvas);
+                    continue;
-                    if (_local_6 != null) break;
+                root = parent;
-                    _local_7 = _local_7.parent;
+            }
-                };
+            if(!root.mouseChildren)
-                if (_local_6 != null)
+                return;
-                {
+
-                    if (_local_3 != null)
+            //ErrorHandler.clearMessages();
-                    {
+
-                        _local_8 = null;
+            tmpVec1.setTo(mouse.x,mouse.y,0);
-                        _local_9 = _local_3;
+            var origin:Vector3D = this.camera.projectGlobal(tmpVec1);
-                        while (_local_9 != null)
+
-                        {
+            tmpVec1.setTo(0,0,1);
-                            if (((_local_9 is Object3DContainer) && (!(Object3DContainer(_local_9).mouseChildren))))
+            
-                            {
+            //ErrorHandler.addText("local dir: " + tmpVec1);
-                                _local_8 = null;
+
-                            };
+            var dir:Vector3D = camera.localToGlobal(tmpVec1,true);
-                            if (((_local_8 == null) && (_local_9.mouseEnabled)))
+
-                            {
+            //debugging:
-                                _local_8 = _local_9;
+            /*ErrorHandler.addText("ray: origin="+origin + " ; dir=" + dir);
-                            };
+
-                            _local_9 = _local_9._parent;
+            var box:Box = new Box(10,10,30);
-                        };
+            box.setMaterialToAllFaces(new FillMaterial(0xff0000));
-                        if (_local_8 != null)
+            root.addChild(box);
-                        {
+
-                            if (this.target != null)
+            tmpMatrix3.setDirectionVector(dir);
-                            {
+            var rotation:Vector3D = new Vector3D();
-                                _local_9 = _local_8;
+            tmpMatrix3.getEulerAngles(rotation);
-                                while (_local_9 != null)
+
-                                {
+            box.setPositionXYZ(origin.x,origin.y,origin.z);
-                                    if (_local_9 == this.target)
+            box.setRotationXYZ(rotation.x,rotation.y,rotation.z);*/
-                                    {
+
-                                        _local_2 = _local_3;
+            var rayHit:RayIntersectionData = root.intersectRay(origin, dir, null, this.camera);
-                                        this.target = _local_8;
+
-                                        break;
+            /*setTimeout(function():void{
-                                    };
+                ErrorHandler.showWindow();
-                                    _local_9 = _local_9._parent;
+            },10);*/
-                                };
+
-                            }
+            if(rayHit == null)
-                            else
+                return;
-                            {
+
-                                _local_2 = _local_3;
+            this.target = rayHit.object;
-                                this.target = _local_8;
+
-                            };
+            //ErrorHandler.addText("hit: " + rayHit);
-                            if (_local_2 == this.target) break;
-                        };
-                    };
-                };
-                _local_5--;
-            };
         }
 
         override public function getObjectsUnderPoint(_arg_1:Point):Array{

src/alternativa/math/Matrix3.as

@@ -0,0 +1,420 @@
+package alternativa.math
+{
+   import alternativa.engine3d.core.Object3D;
+   import flash.geom.Vector3D;
+   import flash.utils.getQualifiedClassName;
+   
+   public class Matrix3
+   {
+      
+      public static const ZERO:Matrix3 = new Matrix3(0,0,0,0,0,0,0,0,0);
+      
+      public static const IDENTITY:Matrix3 = new Matrix3();
+      
+      private static const xAxis:Vector3D = new Vector3D();
+      
+      private static const yAxis:Vector3D = new Vector3D();
+      
+      private static const zAxis:Vector3D = new Vector3D();
+
+      
+      public static const V_X_AXIS:Vector3D = new Vector3D(1,0,0);
+      
+      public static const V_Y_AXIS:Vector3D = new Vector3D(0,1,0);
+      
+      public static const V_Z_AXIS:Vector3D = new Vector3D(0,0,1);
+       
+      
+      public var m00:Number;
+      
+      public var m01:Number;
+      
+      public var m02:Number;
+      
+      public var m10:Number;
+      
+      public var m11:Number;
+      
+      public var m12:Number;
+      
+      public var m20:Number;
+      
+      public var m21:Number;
+      
+      public var m22:Number;
+      
+      public function Matrix3(param1:Number = 1, param2:Number = 0, param3:Number = 0, param4:Number = 0, param5:Number = 1, param6:Number = 0, param7:Number = 0, param8:Number = 0, param9:Number = 1)
+      {
+         super();
+         this.m00 = param1;
+         this.m01 = param2;
+         this.m02 = param3;
+         this.m10 = param4;
+         this.m11 = param5;
+         this.m12 = param6;
+         this.m20 = param7;
+         this.m21 = param8;
+         this.m22 = param9;
+      }
+      
+      public function toIdentity() : Matrix3
+      {
+         this.m00 = this.m11 = this.m22 = 1;
+         this.m01 = this.m02 = this.m10 = this.m12 = this.m20 = this.m21 = 0;
+         return this;
+      }
+      
+      public function invert() : Matrix3
+      {
+         var _loc1_:Number = this.m00;
+         var _loc2_:Number = this.m01;
+         var _loc3_:Number = this.m02;
+         var _loc4_:Number = this.m10;
+         var _loc5_:Number = this.m11;
+         var _loc6_:Number = this.m12;
+         var _loc7_:Number = this.m20;
+         var _loc8_:Number = this.m21;
+         var _loc9_:Number = this.m22;
+         var _loc10_:Number = 1 / (-_loc3_ * _loc5_ * _loc7_ + _loc2_ * _loc6_ * _loc7_ + _loc3_ * _loc4_ * _loc8_ - _loc1_ * _loc6_ * _loc8_ - _loc2_ * _loc4_ * _loc9_ + _loc1_ * _loc5_ * _loc9_);
+         this.m00 = (_loc5_ * _loc9_ - _loc6_ * _loc8_) * _loc10_;
+         this.m01 = (_loc3_ * _loc8_ - _loc2_ * _loc9_) * _loc10_;
+         this.m02 = (_loc2_ * _loc6_ - _loc3_ * _loc5_) * _loc10_;
+         this.m10 = (_loc6_ * _loc7_ - _loc4_ * _loc9_) * _loc10_;
+         this.m11 = (_loc1_ * _loc9_ - _loc3_ * _loc7_) * _loc10_;
+         this.m12 = (_loc3_ * _loc4_ - _loc1_ * _loc6_) * _loc10_;
+         this.m20 = (_loc4_ * _loc8_ - _loc5_ * _loc7_) * _loc10_;
+         this.m21 = (_loc2_ * _loc7_ - _loc1_ * _loc8_) * _loc10_;
+         this.m22 = (_loc1_ * _loc5_ - _loc2_ * _loc4_) * _loc10_;
+         return this;
+      }
+      
+      public function append(param1:Matrix3) : Matrix3
+      {
+         var _loc2_:Number = this.m00;
+         var _loc3_:Number = this.m01;
+         var _loc4_:Number = this.m02;
+         var _loc5_:Number = this.m10;
+         var _loc6_:Number = this.m11;
+         var _loc7_:Number = this.m12;
+         var _loc8_:Number = this.m20;
+         var _loc9_:Number = this.m21;
+         var _loc10_:Number = this.m22;
+         this.m00 = param1.m00 * _loc2_ + param1.m01 * _loc5_ + param1.m02 * _loc8_;
+         this.m01 = param1.m00 * _loc3_ + param1.m01 * _loc6_ + param1.m02 * _loc9_;
+         this.m02 = param1.m00 * _loc4_ + param1.m01 * _loc7_ + param1.m02 * _loc10_;
+         this.m10 = param1.m10 * _loc2_ + param1.m11 * _loc5_ + param1.m12 * _loc8_;
+         this.m11 = param1.m10 * _loc3_ + param1.m11 * _loc6_ + param1.m12 * _loc9_;
+         this.m12 = param1.m10 * _loc4_ + param1.m11 * _loc7_ + param1.m12 * _loc10_;
+         this.m20 = param1.m20 * _loc2_ + param1.m21 * _loc5_ + param1.m22 * _loc8_;
+         this.m21 = param1.m20 * _loc3_ + param1.m21 * _loc6_ + param1.m22 * _loc9_;
+         this.m22 = param1.m20 * _loc4_ + param1.m21 * _loc7_ + param1.m22 * _loc10_;
+         return this;
+      }
+      
+      public function prepend(param1:Matrix3) : Matrix3
+      {
+         var _loc2_:Number = this.m00;
+         var _loc3_:Number = this.m01;
+         var _loc4_:Number = this.m02;
+         var _loc5_:Number = this.m10;
+         var _loc6_:Number = this.m11;
+         var _loc7_:Number = this.m12;
+         var _loc8_:Number = this.m20;
+         var _loc9_:Number = this.m21;
+         var _loc10_:Number = this.m22;
+         this.m00 = _loc2_ * param1.m00 + _loc3_ * param1.m10 + _loc4_ * param1.m20;
+         this.m01 = _loc2_ * param1.m01 + _loc3_ * param1.m11 + _loc4_ * param1.m21;
+         this.m02 = _loc2_ * param1.m02 + _loc3_ * param1.m12 + _loc4_ * param1.m22;
+         this.m10 = _loc5_ * param1.m00 + _loc6_ * param1.m10 + _loc7_ * param1.m20;
+         this.m11 = _loc5_ * param1.m01 + _loc6_ * param1.m11 + _loc7_ * param1.m21;
+         this.m12 = _loc5_ * param1.m02 + _loc6_ * param1.m12 + _loc7_ * param1.m22;
+         this.m20 = _loc8_ * param1.m00 + _loc9_ * param1.m10 + _loc10_ * param1.m20;
+         this.m21 = _loc8_ * param1.m01 + _loc9_ * param1.m11 + _loc10_ * param1.m21;
+         this.m22 = _loc8_ * param1.m02 + _loc9_ * param1.m12 + _loc10_ * param1.m22;
+         return this;
+      }
+      
+      public function prependTransposed(param1:Matrix3) : Matrix3
+      {
+         var _loc2_:Number = this.m00;
+         var _loc3_:Number = this.m01;
+         var _loc4_:Number = this.m02;
+         var _loc5_:Number = this.m10;
+         var _loc6_:Number = this.m11;
+         var _loc7_:Number = this.m12;
+         var _loc8_:Number = this.m20;
+         var _loc9_:Number = this.m21;
+         var _loc10_:Number = this.m22;
+         this.m00 = _loc2_ * param1.m00 + _loc3_ * param1.m01 + _loc4_ * param1.m02;
+         this.m01 = _loc2_ * param1.m10 + _loc3_ * param1.m11 + _loc4_ * param1.m12;
+         this.m02 = _loc2_ * param1.m20 + _loc3_ * param1.m21 + _loc4_ * param1.m22;
+         this.m10 = _loc5_ * param1.m00 + _loc6_ * param1.m01 + _loc7_ * param1.m02;
+         this.m11 = _loc5_ * param1.m10 + _loc6_ * param1.m11 + _loc7_ * param1.m12;
+         this.m12 = _loc5_ * param1.m20 + _loc6_ * param1.m21 + _loc7_ * param1.m22;
+         this.m20 = _loc8_ * param1.m00 + _loc9_ * param1.m01 + _loc10_ * param1.m02;
+         this.m21 = _loc8_ * param1.m10 + _loc9_ * param1.m11 + _loc10_ * param1.m12;
+         this.m22 = _loc8_ * param1.m20 + _loc9_ * param1.m21 + _loc10_ * param1.m22;
+         return this;
+      }
+      
+      public function add(param1:Matrix3) : Matrix3
+      {
+         this.m00 += param1.m00;
+         this.m01 += param1.m01;
+         this.m02 += param1.m02;
+         this.m10 += param1.m10;
+         this.m11 += param1.m11;
+         this.m12 += param1.m12;
+         this.m20 += param1.m20;
+         this.m21 += param1.m21;
+         this.m22 += param1.m22;
+         return this;
+      }
+      
+      public function subtract(param1:Matrix3) : Matrix3
+      {
+         this.m00 -= param1.m00;
+         this.m01 -= param1.m01;
+         this.m02 -= param1.m02;
+         this.m10 -= param1.m10;
+         this.m11 -= param1.m11;
+         this.m12 -= param1.m12;
+         this.m20 -= param1.m20;
+         this.m21 -= param1.m21;
+         this.m22 -= param1.m22;
+         return this;
+      }
+      
+      public function transpose() : Matrix3
+      {
+         var _loc1_:Number = this.m01;
+         this.m01 = this.m10;
+         this.m10 = _loc1_;
+         _loc1_ = this.m02;
+         this.m02 = this.m20;
+         this.m20 = _loc1_;
+         _loc1_ = this.m12;
+         this.m12 = this.m21;
+         this.m21 = _loc1_;
+         return this;
+      }
+      
+      public function transformVector(param1:Vector3D, param2:Vector3D) : void
+      {
+         param2.x = this.m00 * param1.x + this.m01 * param1.y + this.m02 * param1.z;
+         param2.y = this.m10 * param1.x + this.m11 * param1.y + this.m12 * param1.z;
+         param2.z = this.m20 * param1.x + this.m21 * param1.y + this.m22 * param1.z;
+      }
+      
+      public function transformVectorInverse(param1:Vector3D, param2:Vector3D) : void
+      {
+         param2.x = this.m00 * param1.x + this.m10 * param1.y + this.m20 * param1.z;
+         param2.y = this.m01 * param1.x + this.m11 * param1.y + this.m21 * param1.z;
+         param2.z = this.m02 * param1.x + this.m12 * param1.y + this.m22 * param1.z;
+      }
+      
+      public function transformVector3To3D(param1:Vector3D, param2:Vector3D) : void
+      {
+         param2.x = this.m00 * param1.x + this.m01 * param1.y + this.m02 * param1.z;
+         param2.y = this.m10 * param1.x + this.m11 * param1.y + this.m12 * param1.z;
+         param2.z = this.m20 * param1.x + this.m21 * param1.y + this.m22 * param1.z;
+      }
+      
+      public function createSkewSymmetric(param1:Vector3D) : Matrix3
+      {
+         this.m00 = this.m11 = this.m22 = 0;
+         this.m01 = -param1.z;
+         this.m02 = param1.y;
+         this.m10 = param1.z;
+         this.m12 = -param1.x;
+         this.m20 = -param1.y;
+         this.m21 = param1.x;
+         return this;
+      }
+      
+      public function copy(param1:Matrix3) : Matrix3
+      {
+         this.m00 = param1.m00;
+         this.m01 = param1.m01;
+         this.m02 = param1.m02;
+         this.m10 = param1.m10;
+         this.m11 = param1.m11;
+         this.m12 = param1.m12;
+         this.m20 = param1.m20;
+         this.m21 = param1.m21;
+         this.m22 = param1.m22;
+         return this;
+      }
+      
+      public function setRotationMatrix(param1:Number, param2:Number, param3:Number) : Matrix3
+      {
+         var _loc4_:Number = Math.cos(param1);
+         var _loc5_:Number = Math.sin(param1);
+         var _loc6_:Number = Math.cos(param2);
+         var _loc7_:Number = Math.sin(param2);
+         var _loc8_:Number = Math.cos(param3);
+         var _loc9_:Number = Math.sin(param3);
+         var _loc10_:Number = _loc8_ * _loc7_;
+         var _loc11_:Number = _loc9_ * _loc7_;
+         this.m00 = _loc8_ * _loc6_;
+         this.m01 = _loc10_ * _loc5_ - _loc9_ * _loc4_;
+         this.m02 = _loc10_ * _loc4_ + _loc9_ * _loc5_;
+         this.m10 = _loc9_ * _loc6_;
+         this.m11 = _loc11_ * _loc5_ + _loc8_ * _loc4_;
+         this.m12 = _loc11_ * _loc4_ - _loc8_ * _loc5_;
+         this.m20 = -_loc7_;
+         this.m21 = _loc6_ * _loc5_;
+         this.m22 = _loc6_ * _loc4_;
+         return this;
+      }
+      
+      public function setRotationMatrixForObject3D(param1:Object3D) : void
+      {
+         this.setRotationMatrix(param1.rotationX,param1.rotationY,param1.rotationZ);
+      }
+      
+      public function fromAxisAngle(param1:Vector3D, param2:Number) : void
+      {
+         var _loc3_:Number = Math.cos(param2);
+         var _loc4_:Number = Math.sin(param2);
+         var _loc5_:Number = 1 - _loc3_;
+         var _loc6_:Number = param1.x;
+         var _loc7_:Number = param1.y;
+         var _loc8_:Number = param1.z;
+         this.m00 = _loc5_ * _loc6_ * _loc6_ + _loc3_;
+         this.m01 = _loc5_ * _loc6_ * _loc7_ - _loc8_ * _loc4_;
+         this.m02 = _loc5_ * _loc6_ * _loc8_ + _loc7_ * _loc4_;
+         this.m10 = _loc5_ * _loc6_ * _loc7_ + _loc8_ * _loc4_;
+         this.m11 = _loc5_ * _loc7_ * _loc7_ + _loc3_;
+         this.m12 = _loc5_ * _loc7_ * _loc8_ - _loc6_ * _loc4_;
+         this.m20 = _loc5_ * _loc6_ * _loc8_ - _loc7_ * _loc4_;
+         this.m21 = _loc5_ * _loc7_ * _loc8_ + _loc6_ * _loc4_;
+         this.m22 = _loc5_ * _loc8_ * _loc8_ + _loc3_;
+      }
+      
+      public function clone() : Matrix3
+      {
+         return new Matrix3(this.m00,this.m01,this.m02,this.m10,this.m11,this.m12,this.m20,this.m21,this.m22);
+      }
+      
+      public function toString() : String
+      {
+         return getQualifiedClassName(this) + " (" + this.m00 + ", " + this.m01 + ", " + this.m02 + "), (" + this.m10 + ", " + this.m11 + ", " + this.m12 + "), (" + this.m20 + ", " + this.m21 + ", " + this.m22 + ")";
+      }
+      
+      public function getEulerAngles(param1:Vector3D) : void
+      {
+         if(-1 < this.m20 && this.m20 < 1)
+         {
+            param1.x = Math.atan2(this.m21,this.m22);
+            param1.y = -Math.asin(this.m20);
+            param1.z = Math.atan2(this.m10,this.m00);
+         }
+         else
+         {
+            param1.x = 0;
+            param1.y = this.m20 <= -1 ? Math.PI : -Math.PI;
+            param1.y *= 0.5;
+            param1.z = Math.atan2(-this.m01,this.m11);
+         }
+      }
+      
+      public function getRight(param1:Vector3D) : void
+      {
+         this.getAxis(0,param1);
+      }
+      
+      public function getForward(param1:Vector3D) : void
+      {
+         this.getAxis(1,param1);
+      }
+      
+      public function getUp(param1:Vector3D) : void
+      {
+         this.getAxis(2,param1);
+      }
+      
+      public function getAxis(param1:int, param2:Vector3D) : void
+      {
+         switch(param1)
+         {
+            case 0:
+               param2.setTo(this.m00,this.m10,this.m20);
+               break;
+            case 1:
+               param2.setTo(this.m01,this.m11,this.m21);
+               break;
+            case 2:
+               param2.setTo(this.m02,this.m12,this.m22);
+         }
+      }
+      
+      public function setDirectionVector(param1:Vector3D) : void
+      {
+         yAxis.copyFrom(param1);
+         yAxis.normalize();
+         if(yAxis.dotProduct(V_X_AXIS) < 0.9)
+         {
+            zAxis.crossProductToOutput(V_X_AXIS,yAxis);
+         }
+         else
+         {
+            zAxis.crossProductToOutput(yAxis,V_Y_AXIS);
+         }
+         zAxis.normalize();
+         xAxis.crossProductToOutput(yAxis,zAxis).normalize();
+         this.setAxis(xAxis,yAxis,zAxis);
+      }
+      
+      public function setAxis(param1:Vector3D, param2:Vector3D, param3:Vector3D) : void
+      {
+         this.m00 = param1.x;
+         this.m01 = param2.x;
+         this.m02 = param3.x;
+         this.m10 = param1.y;
+         this.m11 = param2.y;
+         this.m12 = param3.y;
+         this.m20 = param1.z;
+         this.m21 = param2.z;
+         this.m22 = param3.z;
+      }
+      
+      public function rotationMatrixToQuaternion(param1:Quaternion) : void
+      {
+         var _loc3_:Number = NaN;
+         var _loc2_:Number = this.m00 + this.m11 + this.m22;
+         if(_loc2_ > 0)
+         {
+            _loc3_ = Math.sqrt(_loc2_ + 1) * 2;
+            param1.w = 0.25 * _loc3_;
+            param1.x = (this.m21 - this.m12) / _loc3_;
+            param1.y = (this.m02 - this.m20) / _loc3_;
+            param1.z = (this.m10 - this.m01) / _loc3_;
+         }
+         else if(this.m00 > this.m11 && this.m00 > this.m22)
+         {
+            _loc3_ = Math.sqrt(1 + this.m00 - this.m11 - this.m22) * 2;
+            param1.w = (this.m21 - this.m12) / _loc3_;
+            param1.x = 0.25 * _loc3_;
+            param1.y = (this.m01 + this.m10) / _loc3_;
+            param1.z = (this.m02 + this.m20) / _loc3_;
+         }
+         else if(this.m11 > this.m22)
+         {
+            _loc3_ = Math.sqrt(1 + this.m11 - this.m00 - this.m22) * 2;
+            param1.w = (this.m02 - this.m20) / _loc3_;
+            param1.x = (this.m01 + this.m10) / _loc3_;
+            param1.y = 0.25 * _loc3_;
+            param1.z = (this.m12 + this.m21) / _loc3_;
+         }
+         else
+         {
+            _loc3_ = Math.sqrt(1 + this.m22 - this.m00 - this.m11) * 2;
+            param1.w = (this.m10 - this.m01) / _loc3_;
+            param1.x = (this.m02 + this.m20) / _loc3_;
+            param1.y = (this.m12 + this.m21) / _loc3_;
+            param1.z = 0.25 * _loc3_;
+         }
+      }
+   }
+}

src/alternativa/math/Quaternion.as

@@ -0,0 +1,478 @@
+package alternativa.math
+{
+   import flash.geom.Vector3D;
+   import flash.utils.getQualifiedClassName;
+   
+   public class Quaternion
+   {
+      
+      private static const _q:Quaternion = new Quaternion();
+       
+      
+      public var w:Number;
+      
+      public var x:Number;
+      
+      public var y:Number;
+      
+      public var z:Number;
+      
+      public function Quaternion(param1:Number = 1, param2:Number = 0, param3:Number = 0, param4:Number = 0)
+      {
+         super();
+         this.w = param1;
+         this.x = param2;
+         this.y = param3;
+         this.z = param4;
+      }
+      
+      public static function multiply(param1:Quaternion, param2:Quaternion, param3:Quaternion) : void
+      {
+         param3.w = param1.w * param2.w - param1.x * param2.x - param1.y * param2.y - param1.z * param2.z;
+         param3.x = param1.w * param2.x + param1.x * param2.w + param1.y * param2.z - param1.z * param2.y;
+         param3.y = param1.w * param2.y + param1.y * param2.w + param1.z * param2.x - param1.x * param2.z;
+         param3.z = param1.w * param2.z + param1.z * param2.w + param1.x * param2.y - param1.y * param2.x;
+      }
+      
+      public static function createFromAxisAngle(param1:Vector3D, param2:Number) : Quaternion
+      {
+         var _loc3_:Quaternion = new Quaternion();
+         _loc3_.setFromAxisAngle(param1,param2);
+         return _loc3_;
+      }
+      
+      public static function createFromAxisAngleComponents(param1:Number, param2:Number, param3:Number, param4:Number) : Quaternion
+      {
+         var _loc5_:Quaternion = new Quaternion();
+         _loc5_.setFromAxisAngleComponents(param1,param2,param3,param4);
+         return _loc5_;
+      }
+      
+      public function reset(param1:Number = 1, param2:Number = 0, param3:Number = 0, param4:Number = 0) : Quaternion
+      {
+         this.w = param1;
+         this.x = param2;
+         this.y = param3;
+         this.z = param4;
+         return this;
+      }
+      
+      public function normalize() : Quaternion
+      {
+         var _loc1_:Number = this.w * this.w + this.x * this.x + this.y * this.y + this.z * this.z;
+         if(_loc1_ == 0)
+         {
+            this.w = 1;
+         }
+         else
+         {
+            _loc1_ = 1 / Math.sqrt(_loc1_);
+            this.w *= _loc1_;
+            this.x *= _loc1_;
+            this.y *= _loc1_;
+            this.z *= _loc1_;
+         }
+         return this;
+      }
+      
+      public function prepend(param1:Quaternion) : Quaternion
+      {
+         var _loc2_:Number = this.w * param1.w - this.x * param1.x - this.y * param1.y - this.z * param1.z;
+         var _loc3_:Number = this.w * param1.x + this.x * param1.w + this.y * param1.z - this.z * param1.y;
+         var _loc4_:Number = this.w * param1.y + this.y * param1.w + this.z * param1.x - this.x * param1.z;
+         var _loc5_:Number = this.w * param1.z + this.z * param1.w + this.x * param1.y - this.y * param1.x;
+         this.w = _loc2_;
+         this.x = _loc3_;
+         this.y = _loc4_;
+         this.z = _loc5_;
+         return this;
+      }
+      
+      public function append(param1:Quaternion) : Quaternion
+      {
+         var _loc2_:Number = param1.w * this.w - param1.x * this.x - param1.y * this.y - param1.z * this.z;
+         var _loc3_:Number = param1.w * this.x + param1.x * this.w + param1.y * this.z - param1.z * this.y;
+         var _loc4_:Number = param1.w * this.y + param1.y * this.w + param1.z * this.x - param1.x * this.z;
+         var _loc5_:Number = param1.w * this.z + param1.z * this.w + param1.x * this.y - param1.y * this.x;
+         this.w = _loc2_;
+         this.x = _loc3_;
+         this.y = _loc4_;
+         this.z = _loc5_;
+         return this;
+      }
+      
+      public function rotateByVector(param1:Vector3D) : Quaternion
+      {
+         var _loc2_:Number = -param1.x * this.x - param1.y * this.y - param1.z * this.z;
+         var _loc3_:Number = param1.x * this.w + param1.y * this.z - param1.z * this.y;
+         var _loc4_:Number = param1.y * this.w + param1.z * this.x - param1.x * this.z;
+         var _loc5_:Number = param1.z * this.w + param1.x * this.y - param1.y * this.x;
+         this.w = _loc2_;
+         this.x = _loc3_;
+         this.y = _loc4_;
+         this.z = _loc5_;
+         return this;
+      }
+      
+      public function addScaledVector(param1:Vector3D, param2:Number) : Quaternion
+      {
+         var _loc3_:Number = param1.x * param2;
+         var _loc4_:Number = param1.y * param2;
+         var _loc5_:Number = param1.z * param2;
+         var _loc6_:Number = -this.x * _loc3_ - this.y * _loc4_ - this.z * _loc5_;
+         var _loc7_:Number = _loc3_ * this.w + _loc4_ * this.z - _loc5_ * this.y;
+         var _loc8_:Number = _loc4_ * this.w + _loc5_ * this.x - _loc3_ * this.z;
+         var _loc9_:Number = _loc5_ * this.w + _loc3_ * this.y - _loc4_ * this.x;
+         this.w += 0.5 * _loc6_;
+         this.x += 0.5 * _loc7_;
+         this.y += 0.5 * _loc8_;
+         this.z += 0.5 * _loc9_;
+         var _loc10_:Number = this.w * this.w + this.x * this.x + this.y * this.y + this.z * this.z;
+         if(_loc10_ == 0)
+         {
+            this.w = 1;
+         }
+         else
+         {
+            _loc10_ = 1 / Math.sqrt(_loc10_);
+            this.w *= _loc10_;
+            this.x *= _loc10_;
+            this.y *= _loc10_;
+            this.z *= _loc10_;
+         }
+         return this;
+      }
+      
+      /*fpublic function toMatrix3(param1:Matrix3) : Quaternion
+      {
+         var _loc7_:Number = NaN;
+         var _loc8_:Number = NaN;
+         var _loc9_:Number = NaN;
+         var _loc2_:Number = 2 * this.x * this.x;
+         var _loc3_:Number = 2 * this.y * this.y;
+         var _loc4_:Number = 2 * this.z * this.z;
+         var _loc5_:Number = 2 * this.x * this.y;
+         var _loc6_:Number = 2 * this.y * this.z;
+         _loc7_ = 2 * this.z * this.x;
+         _loc8_ = 2 * this.w * this.x;
+         _loc9_ = 2 * this.w * this.y;
+         var _loc10_:Number = 2 * this.w * this.z;
+         param1.m00 = 1 - _loc3_ - _loc4_;
+         param1.m01 = _loc5_ - _loc10_;
+         param1.m02 = _loc7_ + _loc9_;
+         param1.m10 = _loc5_ + _loc10_;
+         param1.m11 = 1 - _loc2_ - _loc4_;
+         param1.m12 = _loc6_ - _loc8_;
+         param1.m20 = _loc7_ - _loc9_;
+         param1.m21 = _loc6_ + _loc8_;
+         param1.m22 = 1 - _loc2_ - _loc3_;
+         return this;
+      }*/
+      
+      public function getYAxis(param1:Vector3D) : Vector3D
+      {
+         var _loc5_:Number = NaN;
+         var _loc2_:Number = 2 * this.x * this.x;
+         var _loc3_:Number = 2 * this.z * this.z;
+         var _loc4_:Number = 2 * this.x * this.y;
+         _loc5_ = 2 * this.y * this.z;
+         var _loc6_:Number = 2 * this.w * this.x;
+         var _loc7_:Number = 2 * this.w * this.z;
+         param1.x = _loc4_ - _loc7_;
+         param1.y = 1 - _loc2_ - _loc3_;
+         param1.z = _loc5_ + _loc6_;
+         return param1;
+      }
+      
+      public function getZAxis(param1:Vector3D) : Vector3D
+      {
+         var _loc2_:Number = NaN;
+         _loc2_ = 2 * this.x * this.x;
+         var _loc3_:Number = 2 * this.y * this.y;
+         var _loc4_:Number = 2 * this.y * this.z;
+         var _loc5_:Number = 2 * this.z * this.x;
+         var _loc6_:Number = 2 * this.w * this.x;
+         var _loc7_:Number = 2 * this.w * this.y;
+         param1.x = _loc5_ + _loc7_;
+         param1.y = _loc4_ - _loc6_;
+         param1.z = 1 - _loc2_ - _loc3_;
+         return param1;
+      }
+      
+      /*public function toMatrix4(param1:Matrix4) : Quaternion
+      {
+         var _loc2_:Number = NaN;
+         var _loc4_:Number = NaN;
+         var _loc6_:Number = NaN;
+         var _loc8_:Number = NaN;
+         _loc2_ = 2 * this.x * this.x;
+         var _loc3_:Number = 2 * this.y * this.y;
+         _loc4_ = 2 * this.z * this.z;
+         var _loc5_:Number = 2 * this.x * this.y;
+         _loc6_ = 2 * this.y * this.z;
+         var _loc7_:Number = 2 * this.z * this.x;
+         _loc8_ = 2 * this.w * this.x;
+         var _loc9_:Number = 2 * this.w * this.y;
+         var _loc10_:Number = 2 * this.w * this.z;
+         param1.m00 = 1 - _loc3_ - _loc4_;
+         param1.m01 = _loc5_ - _loc10_;
+         param1.m02 = _loc7_ + _loc9_;
+         param1.m10 = _loc5_ + _loc10_;
+         param1.m11 = 1 - _loc2_ - _loc4_;
+         param1.m12 = _loc6_ - _loc8_;
+         param1.m20 = _loc7_ - _loc9_;
+         param1.m21 = _loc6_ + _loc8_;
+         param1.m22 = 1 - _loc2_ - _loc3_;
+         return this;
+      }*/
+      
+      public function length() : Number
+      {
+         return Math.sqrt(this.w * this.w + this.x * this.x + this.y * this.y + this.z * this.z);
+      }
+      
+      public function lengthSqr() : Number
+      {
+         return this.w * this.w + this.x * this.x + this.y * this.y + this.z * this.z;
+      }
+      
+      public function setFromAxisAngle(param1:Vector3D, param2:Number) : Quaternion
+      {
+         this.w = Math.cos(0.5 * param2);
+         var _loc3_:Number = Math.sin(0.5 * param2) / Math.sqrt(param1.x * param1.x + param1.y * param1.y + param1.z * param1.z);
+         this.x = param1.x * _loc3_;
+         this.y = param1.y * _loc3_;
+         this.z = param1.z * _loc3_;
+         return this;
+      }
+      
+      public function setFromAxisAngleComponents(param1:Number, param2:Number, param3:Number, param4:Number) : Quaternion
+      {
+         this.w = Math.cos(0.5 * param4);
+         var _loc5_:Number = Math.sin(0.5 * param4) / Math.sqrt(param1 * param1 + param2 * param2 + param3 * param3);
+         this.x = param1 * _loc5_;
+         this.y = param2 * _loc5_;
+         this.z = param3 * _loc5_;
+         return this;
+      }
+      
+      public function toAxisVector(param1:Vector3D = null) : Vector3D
+      {
+         var _loc2_:Number = NaN;
+         var _loc3_:Number = NaN;
+         if(this.w < -1 || this.w > 1)
+         {
+            this.normalize();
+         }
+         if(param1 == null)
+         {
+            param1 = new Vector3D();
+         }
+         if(this.w > -1 && this.w < 1)
+         {
+            if(this.w == 0)
+            {
+               param1.x = this.x;
+               param1.y = this.y;
+               param1.z = this.z;
+            }
+            else
+            {
+               _loc2_ = 2 * Math.acos(this.w);
+               _loc3_ = 1 / Math.sqrt(1 - this.w * this.w);
+               param1.x = this.x * _loc3_ * _loc2_;
+               param1.y = this.y * _loc3_ * _loc2_;
+               param1.z = this.z * _loc3_ * _loc2_;
+            }
+         }
+         else
+         {
+            param1.x = 0;
+            param1.y = 0;
+            param1.z = 0;
+         }
+         return param1;
+      }
+      
+      public function getEulerAngles(param1:Vector3D) : Vector3D
+      {
+         var _loc2_:Number = 2 * this.x * this.x;
+         var _loc3_:Number = 2 * this.y * this.y;
+         var _loc4_:Number = 2 * this.z * this.z;
+         var _loc5_:Number = 2 * this.x * this.y;
+         var _loc6_:Number = 2 * this.y * this.z;
+         var _loc7_:Number = 2 * this.z * this.x;
+         var _loc8_:Number = 2 * this.w * this.x;
+         var _loc9_:Number = 2 * this.w * this.y;
+         var _loc10_:Number = 2 * this.w * this.z;
+         var _loc11_:Number = 1 - _loc3_ - _loc4_;
+         var _loc12_:Number = _loc5_ - _loc10_;
+         var _loc13_:Number = _loc5_ + _loc10_;
+         var _loc14_:Number = 1 - _loc2_ - _loc4_;
+         var _loc15_:Number = _loc7_ - _loc9_;
+         var _loc16_:Number = _loc6_ + _loc8_;
+         var _loc17_:Number = 1 - _loc2_ - _loc3_;
+         if(-1 < _loc15_ && _loc15_ < 1)
+         {
+            if(param1 == null)
+            {
+               param1 = new Vector3D(Math.atan2(_loc16_,_loc17_),-Math.asin(_loc15_),Math.atan2(_loc13_,_loc11_));
+            }
+            else
+            {
+               param1.x = Math.atan2(_loc16_,_loc17_);
+               param1.y = -Math.asin(_loc15_);
+               param1.z = Math.atan2(_loc13_,_loc11_);
+            }
+         }
+         else if(param1 == null)
+         {
+            param1 = new Vector3D(0,0.5 * (_loc15_ <= -1 ? Math.PI : -Math.PI),Math.atan2(-_loc12_,_loc14_));
+         }
+         else
+         {
+            param1.x = 0;
+            param1.y = _loc15_ <= -1 ? Math.PI : -Math.PI;
+            param1.y *= 0.5;
+            param1.z = Math.atan2(-_loc12_,_loc14_);
+         }
+         return param1;
+      }
+      
+      public function setFromEulerAnglesXYZ(param1:Number, param2:Number, param3:Number) : void
+      {
+         this.setFromAxisAngleComponents(1,0,0,param1);
+         _q.setFromAxisAngleComponents(0,1,0,param2);
+         this.append(_q);
+         this.normalize();
+         _q.setFromAxisAngleComponents(0,0,1,param3);
+         this.append(_q);
+         this.normalize();
+      }
+      
+      public function setFromEulerAngles(param1:Vector3D) : void
+      {
+         this.setFromEulerAnglesXYZ(param1.x,param1.y,param1.z);
+      }
+      
+      public function conjugate() : void
+      {
+         this.x = -this.x;
+         this.y = -this.y;
+         this.z = -this.z;
+      }
+      
+      public function nlerp(param1:Quaternion, param2:Quaternion, param3:Number) : Quaternion
+      {
+         var _loc4_:Number = 1 - param3;
+         this.w = param1.w * _loc4_ + param2.w * param3;
+         this.x = param1.x * _loc4_ + param2.x * param3;
+         this.y = param1.y * _loc4_ + param2.y * param3;
+         this.z = param1.z * _loc4_ + param2.z * param3;
+         _loc4_ = this.w * this.w + this.x * this.x + this.y * this.y + this.z * this.z;
+         if(_loc4_ == 0)
+         {
+            this.w = 1;
+         }
+         else
+         {
+            _loc4_ = 1 / Math.sqrt(_loc4_);
+            this.w *= _loc4_;
+            this.x *= _loc4_;
+            this.y *= _loc4_;
+            this.z *= _loc4_;
+         }
+         return this;
+      }
+      
+      public function subtract(param1:Quaternion) : Quaternion
+      {
+         this.w -= param1.w;
+         this.x -= param1.x;
+         this.y -= param1.y;
+         this.z -= param1.z;
+         return this;
+      }
+      
+      public function diff(param1:Quaternion, param2:Quaternion) : Quaternion
+      {
+         this.w = param2.w - param1.w;
+         this.x = param2.x - param1.x;
+         this.y = param2.y - param1.y;
+         this.z = param2.z - param1.z;
+         return this;
+      }
+      
+      public function copy(param1:Quaternion) : Quaternion
+      {
+         this.w = param1.w;
+         this.x = param1.x;
+         this.y = param1.y;
+         this.z = param1.z;
+         return this;
+      }
+      
+      public function toVector3D(param1:Vector3D) : Vector3D
+      {
+         param1.x = this.x;
+         param1.y = this.y;
+         param1.z = this.z;
+         param1.w = this.w;
+         return param1;
+      }
+      
+      public function clone() : Quaternion
+      {
+         return new Quaternion(this.w,this.x,this.y,this.z);
+      }
+      
+      public function toString() : String
+      {
+         return getQualifiedClassName(this) + "(" + this.w + ", " + this.x + ", " + this.y + ", " + this.z + ")";
+      }
+      
+      public function slerp(param1:Quaternion, param2:Quaternion, param3:Number) : Quaternion
+      {
+         var _loc6_:Number = NaN;
+         var _loc7_:Number = NaN;
+         var _loc8_:Number = NaN;
+         var _loc9_:Number = NaN;
+         var _loc10_:Number = NaN;
+         var _loc11_:Number = NaN;
+         var _loc4_:Number = 1;
+         var _loc5_:Number = param1.w * param2.w + param1.x * param2.x + param1.y * param2.y + param1.z * param2.z;
+         if(_loc5_ < 0)
+         {
+            _loc5_ = -_loc5_;
+            _loc4_ = -1;
+         }
+         if(1 - _loc5_ < 0.001)
+         {
+            _loc6_ = 1 - param3;
+            _loc7_ = param3 * _loc4_;
+            this.w = param1.w * _loc6_ + param2.w * _loc7_;
+            this.x = param1.x * _loc6_ + param2.x * _loc7_;
+            this.y = param1.y * _loc6_ + param2.y * _loc7_;
+            this.z = param1.z * _loc6_ + param2.z * _loc7_;
+            this.normalize();
+         }
+         else
+         {
+            _loc8_ = Math.acos(_loc5_);
+            _loc9_ = Math.sin(_loc8_);
+            _loc10_ = Math.sin((1 - param3) * _loc8_) / _loc9_;
+            _loc11_ = Math.sin(param3 * _loc8_) / _loc9_ * _loc4_;
+            this.w = param1.w * _loc10_ + param2.w * _loc11_;
+            this.x = param1.x * _loc10_ + param2.x * _loc11_;
+            this.y = param1.y * _loc10_ + param2.y * _loc11_;
+            this.z = param1.z * _loc10_ + param2.z * _loc11_;
+         }
+         return this;
+      }
+      
+      public function isFiniteQuaternion() : Boolean
+      {
+         return isFinite(this.w) && isFinite(this.x) && isFinite(this.y) && isFinite(this.z);
+      }
+   }
+}