1 files changed, 2023 insertions, 2023 deletions
diff --git a/js/helper-classes/3D/snap-manager.js b/js/helper-classes/3D/snap-manager.js
index ab6d106d..e5044e09 100755
--- a/js/helper-classes/3D/snap-manager.js
+++ b/js/helper-classes/3D/snap-manager.js
@@ -42,109 +42,109 @@ var Montage = require("montage/core/core").Montage,
    NJUtils = require("js/lib/NJUtils").NJUtils;
 var SnapManager = exports.SnapManager = Montage.create(Component, {
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
-        // Instance variables
+    // Instance variables
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
    currentStage: { value: null },
-        // we keep a stack of working planes to facilitate working on other planes temporarily
+    // we keep a stack of working planes to facilitate working on other planes temporarily
-        _workingPlaneStack : { value: [], writable: true },
+    _workingPlaneStack : { value: [], writable: true },
-        // snapping radii relative to a 25 pixel grid
+    // snapping radii relative to a 25 pixel grid
-        GRID_VERTEX_HIT_RAD : { value: 10, writable: true },
+    GRID_VERTEX_HIT_RAD : { value: 10, writable: true },
-        GRID_EDGE_HIT_RAD : { value: 6, writable: true},
+    GRID_EDGE_HIT_RAD : { value: 6, writable: true},
-        // these are the grid snapping tolerances scaled to the current grid spacing
+    // these are the grid snapping tolerances scaled to the current grid spacing
-        _gridVertexHitRad : { value: this.GRID_VERTEX_HIT_RAD, writable: true },
+    _gridVertexHitRad : { value: this.GRID_VERTEX_HIT_RAD, writable: true },
-        _gridEdgeHitRad : { value: this.GRID_EDGE_HIT_RAD, writable: true },
+    _gridEdgeHitRad : { value: this.GRID_EDGE_HIT_RAD, writable: true },
-        ELEMENT_VERTEX_HIT_RAD : { value: 18, writable: true },
+    ELEMENT_VERTEX_HIT_RAD : { value: 18, writable: true },
-        ELEMENT_EDGE_HIT_RAD : { value: 14, writable: true },
+    ELEMENT_EDGE_HIT_RAD : { value: 14, writable: true },
-        // keep a reference to the most recent hitRecord.  Used for drawing feedback on the stage
+    // keep a reference to the most recent hitRecord.  Used for drawing feedback on the stage
-        _lastHit : { value: null, writable: true },
+    _lastHit : { value: null, writable: true },
-        _hitRecords : { value: [], writable: true },
+    _hitRecords : { value: [], writable: true },
-        // keep a list of objects to avoid snapping to
+    // keep a list of objects to avoid snapping to
-        _avoidList : { value: [], writable: true },
+    _avoidList : { value: [], writable: true },
-        // keep a cache of 2D elements to snap to
+    // keep a cache of 2D elements to snap to
-        _elementCache : { value: null, writable: true },
+    _elementCache : { value: null, writable: true },
-        _isCacheInvalid : { value: false, writable: true },
+    _isCacheInvalid : { value: false, writable: true },
-        // the snap manager can handle a 2D plane for dragging.
+    // the snap manager can handle a 2D plane for dragging.
-        // A call to initDragPlane sets these variables.
+    // A call to initDragPlane sets these variables.
-        // a call to clearDragPlane MUST be called on the completion of a drag
+    // a call to clearDragPlane MUST be called on the completion of a drag
-        _hasDragPlane : {value: false, writable: true },
+    _hasDragPlane : {value: false, writable: true },
-        _dragPlane : { value: null, writable: true },
+    _dragPlane : { value: null, writable: true },
-        _dragPlaneToWorld : { value: Matrix.I(4), writable: true },
+    _dragPlaneToWorld : { value: Matrix.I(4), writable: true },
-        _worldToDragPlane : { value: Matrix.I(4), writable: true },
+    _worldToDragPlane : { value: Matrix.I(4), writable: true },
-        _dragPlaneActive : {value: false, writable: true },
+    _dragPlaneActive : {value: false, writable: true },
-        // cache the matrix linking stage world and global spaces
+    // cache the matrix linking stage world and global spaces
-        _stageWorldToGlobalMat : { value: Matrix.I(4), writable: true },
+    _stageWorldToGlobalMat : { value: Matrix.I(4), writable: true },
-        _globalToStageWorldMat : { value: Matrix.I(4), writable: true },
+    _globalToStageWorldMat : { value: Matrix.I(4), writable: true },
-        // various flags to enable snapping
+    // various flags to enable snapping
-        _snapAlignEnabled : {value: true, writable: true },
+    _snapAlignEnabled : {value: true, writable: true },
-        _elementSnapEnabled : {value: true, writable: true },
+    _elementSnapEnabled : {value: true, writable: true },
-        _gridSnapEnabled : {value: true, writable: true },
+    _gridSnapEnabled : {value: true, writable: true },
-        // these represent the app level snap settings as set by the end user through
+    // these represent the app level snap settings as set by the end user through
-        // the menus.  These should be stored somewhere else and serialized.  Putting them here for now...
+    // the menus.  These should be stored somewhere else and serialized.  Putting them here for now...
-        _snapAlignEnabledAppLevel : {value: true, writable: true },
+    _snapAlignEnabledAppLevel : {value: true, writable: true },
-        _elementSnapEnabledAppLevel : {value: true, writable: true },
+    _elementSnapEnabledAppLevel : {value: true, writable: true },
-        _gridSnapEnabledAppLevel : {value: true, writable: true },
+    _gridSnapEnabledAppLevel : {value: true, writable: true },
    // App Model pointer
    appModel: { value: null },
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
-        // Property accessors
+    // Property accessors
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
-        pushWorkingPlane : { value: function (p)                { this._workingPlaneStack.push(workingPlane.slice(0)); workingPlane = p.slice(0); }},
+    pushWorkingPlane : { value: function (p)        { this._workingPlaneStack.push(workingPlane.slice(0)); workingPlane = p.slice(0); }},
-        popWorkingPlane : { value: function ()          { workingPlane = this._workingPlaneStack.pop(); return workingPlane; }},
+    popWorkingPlane : { value: function ()      { workingPlane = this._workingPlaneStack.pop(); return workingPlane; }},
-        getStageWidth : { value: function ()            {
+    getStageWidth : { value: function ()        {
-                return parseInt(this.currentStage.offsetWidth);
+        return parseInt(this.currentStage.offsetWidth);
-        }},
+    }},
-        getStageHeight : { value: function ()           {
+    getStageHeight : { value: function ()       {
-                return parseInt(this.currentStage.offsetHeight);
+        return parseInt(this.currentStage.offsetHeight);
-        }},
+    }},
-    getStage : { value: function()              {        return this.currentStage;    }},
+    getStage : { value: function()      {        return this.currentStage;    }},
-        getGridVertexHitRad : { value: function()               {  return this._gridVertexHitRad;                               }},
+    getGridVertexHitRad : { value: function()       {  return this._gridVertexHitRad;               }},
-        getGridEdgeHitRad : { value: function()         {  return this._gridEdgeHitRad;                                 }},
+    getGridEdgeHitRad : { value: function()     {  return this._gridEdgeHitRad;                 }},
-        getLastHit : { value: function()                {  return this._lastHit;                                                }},
+    getLastHit : { value: function()        {  return this._lastHit;                        }},
-        setLastHit : { value: function(h)               {  this._lastHit = h;                                                   }},
+    setLastHit : { value: function(h)       {  this._lastHit = h;                           }},
-        hasDragPlane : { value: function()              {  return this._hasDragPlane;                                   }},
+    hasDragPlane : { value: function()      {  return this._hasDragPlane;                   }},
-        getDragPlane : { value: function()              {  return this._dragPlane.slice(0);                             }},
+    getDragPlane : { value: function()      {  return this._dragPlane.slice(0);             }},
-    has2DCache : { value: function()            {  return (this._elementCache && !this._isCacheInvalid);                }},
+    has2DCache : { value: function()        {  return (this._elementCache && !this._isCacheInvalid);        }},
-        enableSnapAlign : { value: function(e)          {  this._snapAlignEnabled = e;                                  }},
+    enableSnapAlign : { value: function(e)      {  this._snapAlignEnabled = e;                  }},
-        snapAlignEnabled : { value: function()          {  return this._snapAlignEnabled;                               }},
+    snapAlignEnabled : { value: function()      {  return this._snapAlignEnabled;               }},
-        enableElementSnap : { value: function(e)                {  this._elementSnapEnabled = e;                                }},
+    enableElementSnap : { value: function(e)        {  this._elementSnapEnabled = e;                }},
-        elementSnapEnabled : { value: function()                {  return this._elementSnapEnabled;                             }},
+    elementSnapEnabled : { value: function()        {  return this._elementSnapEnabled;             }},
-        enableGridSnap : { value: function(e)           {  this._gridSnapEnabled = e;                                   }},
+    enableGridSnap : { value: function(e)       {  this._gridSnapEnabled = e;                   }},
-        gridSnapEnabled : { value: function()           {  return this._gridSnapEnabled;                                }},
+    gridSnapEnabled : { value: function()       {  return this._gridSnapEnabled;                }},
-        enableSnapAlignAppLevel : { value: function(e)          {  this._snapAlignEnabledAppLevel = e;                  }},
+    enableSnapAlignAppLevel : { value: function(e)      {  this._snapAlignEnabledAppLevel = e;          }},
-        snapAlignEnabledAppLevel : { value: function()          {  return this._snapAlignEnabledAppLevel;               }},
+    snapAlignEnabledAppLevel : { value: function()      {  return this._snapAlignEnabledAppLevel;       }},
-        enableElementSnapAppLevel : { value: function(e)                {  this._elementSnapEnabledAppLevel = e;                }},
+    enableElementSnapAppLevel : { value: function(e)        {  this._elementSnapEnabledAppLevel = e;        }},
-        elementSnapEnabledAppLevel : { value: function()                {  return this._elementSnapEnabledAppLevel;             }},
+    elementSnapEnabledAppLevel : { value: function()        {  return this._elementSnapEnabledAppLevel;     }},
-        enableGridSnapAppLevel : { value: function(e)           {  this._gridSnapEnabledAppLevel = e;                   }},
+    enableGridSnapAppLevel : { value: function(e)       {  this._gridSnapEnabledAppLevel = e;           }},
-        gridSnapEnabledAppLevel : { value: function()           {  return this._gridSnapEnabledAppLevel;                }},
+    gridSnapEnabledAppLevel : { value: function()       {  return this._gridSnapEnabledAppLevel;        }},
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
-        // Methods
+    // Methods
-        ///////////////////////////////////////////////////////////////////////
+    ///////////////////////////////////////////////////////////////////////
    initialize: {
        value: function() {
            this.eventManager.addEventListener("elementsRemoved", this, false);
@@ -209,734 +209,734 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
        }
    },
-        snap : {
+    snap : {
-                value: function (xScreen, yScreen, snap3D,  quadPt) 
+        value: function (xScreen, yScreen, snap3D,  quadPt)
-                {
+        {
-                        // force a 3D snap if a 2D snap is requested but the 2D cache has not been initialized
+            // force a 3D snap if a 2D snap is requested but the 2D cache has not been initialized
-                        if (!snap3D && !this._elementCache)  snap3D = true;
+            if (!snap3D && !this._elementCache)  snap3D = true;
-                        // clear out the last hit record
+            // clear out the last hit record
-                        this.setLastHit( null );
+            this.setLastHit( null );
-                        // snap to elements first, then the working plane
+            // snap to elements first, then the working plane
-                        var screenPt = [xScreen, yScreen];
+            var screenPt = [xScreen, yScreen];
-                        var hitRecArray = new Array();
+            var hitRecArray = new Array();
-                        if (this.elementSnapEnabled())
+            if (this.elementSnapEnabled())
-                        {
+            {
-                                if (snap3D)
+                if (snap3D)
-                                        this.snapToElements( screenPt, hitRecArray );
+                    this.snapToElements( screenPt, hitRecArray );
-

diff --git a/js/helper-classes/3D/snap-manager.js b/js/helper-classes/3D/snap-manager.js index ab6d106d..e5044e09 100755 --- a/js/helper-classes/3D/snap-manager.js +++ b/js/helper-classes/3D/snap-manager.js
@@ -42,109 +42,109 @@ var Montage = require("montage/core/core").Montage,
42	NJUtils = require("js/lib/NJUtils").NJUtils;	42	NJUtils = require("js/lib/NJUtils").NJUtils;
43		43
44	var SnapManager = exports.SnapManager = Montage.create(Component, {	44	var SnapManager = exports.SnapManager = Montage.create(Component, {
45	///////////////////////////////////////////////////////////////////////	45	///////////////////////////////////////////////////////////////////////
46	// Instance variables	46	// Instance variables
47	///////////////////////////////////////////////////////////////////////	47	///////////////////////////////////////////////////////////////////////
48		48
49	currentStage: { value: null },	49	currentStage: { value: null },
50		50
51	// we keep a stack of working planes to facilitate working on other planes temporarily	51	// we keep a stack of working planes to facilitate working on other planes temporarily
52	_workingPlaneStack : { value: [], writable: true },	52	_workingPlaneStack : { value: [], writable: true },
53		53
54	// snapping radii relative to a 25 pixel grid	54	// snapping radii relative to a 25 pixel grid
55	GRID_VERTEX_HIT_RAD : { value: 10, writable: true },	55	GRID_VERTEX_HIT_RAD : { value: 10, writable: true },
56	GRID_EDGE_HIT_RAD : { value: 6, writable: true},	56	GRID_EDGE_HIT_RAD : { value: 6, writable: true},
57		57
58	// these are the grid snapping tolerances scaled to the current grid spacing	58	// these are the grid snapping tolerances scaled to the current grid spacing
59	_gridVertexHitRad : { value: this.GRID_VERTEX_HIT_RAD, writable: true },	59	_gridVertexHitRad : { value: this.GRID_VERTEX_HIT_RAD, writable: true },
60	_gridEdgeHitRad : { value: this.GRID_EDGE_HIT_RAD, writable: true },	60	_gridEdgeHitRad : { value: this.GRID_EDGE_HIT_RAD, writable: true },
61		61
62	ELEMENT_VERTEX_HIT_RAD : { value: 18, writable: true },	62	ELEMENT_VERTEX_HIT_RAD : { value: 18, writable: true },
63	ELEMENT_EDGE_HIT_RAD : { value: 14, writable: true },	63	ELEMENT_EDGE_HIT_RAD : { value: 14, writable: true },
64		64
65	// keep a reference to the most recent hitRecord. Used for drawing feedback on the stage	65	// keep a reference to the most recent hitRecord. Used for drawing feedback on the stage
66	_lastHit : { value: null, writable: true },	66	_lastHit : { value: null, writable: true },
67	_hitRecords : { value: [], writable: true },	67	_hitRecords : { value: [], writable: true },
68		68
69	// keep a list of objects to avoid snapping to	69	// keep a list of objects to avoid snapping to
70	_avoidList : { value: [], writable: true },	70	_avoidList : { value: [], writable: true },
71		71
72	// keep a cache of 2D elements to snap to	72	// keep a cache of 2D elements to snap to
73	_elementCache : { value: null, writable: true },	73	_elementCache : { value: null, writable: true },
74	_isCacheInvalid : { value: false, writable: true },	74	_isCacheInvalid : { value: false, writable: true },
75		75
76	// the snap manager can handle a 2D plane for dragging.	76	// the snap manager can handle a 2D plane for dragging.
77	// A call to initDragPlane sets these variables.	77	// A call to initDragPlane sets these variables.
78	// a call to clearDragPlane MUST be called on the completion of a drag	78	// a call to clearDragPlane MUST be called on the completion of a drag
79	_hasDragPlane : {value: false, writable: true },	79	_hasDragPlane : {value: false, writable: true },
80	_dragPlane : { value: null, writable: true },	80	_dragPlane : { value: null, writable: true },
81	_dragPlaneToWorld : { value: Matrix.I(4), writable: true },	81	_dragPlaneToWorld : { value: Matrix.I(4), writable: true },
82	_worldToDragPlane : { value: Matrix.I(4), writable: true },	82	_worldToDragPlane : { value: Matrix.I(4), writable: true },
83	_dragPlaneActive : {value: false, writable: true },	83	_dragPlaneActive : {value: false, writable: true },
84		84
85	// cache the matrix linking stage world and global spaces	85	// cache the matrix linking stage world and global spaces
86	_stageWorldToGlobalMat : { value: Matrix.I(4), writable: true },	86	_stageWorldToGlobalMat : { value: Matrix.I(4), writable: true },
87	_globalToStageWorldMat : { value: Matrix.I(4), writable: true },	87	_globalToStageWorldMat : { value: Matrix.I(4), writable: true },
88		88
89	// various flags to enable snapping	89	// various flags to enable snapping
90	_snapAlignEnabled : {value: true, writable: true },	90	_snapAlignEnabled : {value: true, writable: true },
91	_elementSnapEnabled : {value: true, writable: true },	91	_elementSnapEnabled : {value: true, writable: true },
92	_gridSnapEnabled : {value: true, writable: true },	92	_gridSnapEnabled : {value: true, writable: true },
93		93
94	// these represent the app level snap settings as set by the end user through	94	// these represent the app level snap settings as set by the end user through
95	// the menus. These should be stored somewhere else and serialized. Putting them here for now...	95	// the menus. These should be stored somewhere else and serialized. Putting them here for now...
96	_snapAlignEnabledAppLevel : {value: true, writable: true },	96	_snapAlignEnabledAppLevel : {value: true, writable: true },
97	_elementSnapEnabledAppLevel : {value: true, writable: true },	97	_elementSnapEnabledAppLevel : {value: true, writable: true },
98	_gridSnapEnabledAppLevel : {value: true, writable: true },	98	_gridSnapEnabledAppLevel : {value: true, writable: true },
99		99
100	// App Model pointer	100	// App Model pointer
101	appModel: { value: null },	101	appModel: { value: null },
102		102
103		103
104	///////////////////////////////////////////////////////////////////////	104	///////////////////////////////////////////////////////////////////////
105	// Property accessors	105	// Property accessors
106	///////////////////////////////////////////////////////////////////////	106	///////////////////////////////////////////////////////////////////////
107	pushWorkingPlane : { value: function (p) { this._workingPlaneStack.push(workingPlane.slice(0)); workingPlane = p.slice(0); }},	107	pushWorkingPlane : { value: function (p) { this._workingPlaneStack.push(workingPlane.slice(0)); workingPlane = p.slice(0); }},
108	popWorkingPlane : { value: function () { workingPlane = this._workingPlaneStack.pop(); return workingPlane; }},	108	popWorkingPlane : { value: function () { workingPlane = this._workingPlaneStack.pop(); return workingPlane; }},
109		109
110	getStageWidth : { value: function () {	110	getStageWidth : { value: function () {
111	return parseInt(this.currentStage.offsetWidth);	111	return parseInt(this.currentStage.offsetWidth);
112	}},	112	}},
113		113
114	getStageHeight : { value: function () {	114	getStageHeight : { value: function () {
115	return parseInt(this.currentStage.offsetHeight);	115	return parseInt(this.currentStage.offsetHeight);
116	}},	116	}},
117		117
118	getStage : { value: function() { return this.currentStage; }},	118	getStage : { value: function() { return this.currentStage; }},
119		119
120	getGridVertexHitRad : { value: function() { return this._gridVertexHitRad; }},	120	getGridVertexHitRad : { value: function() { return this._gridVertexHitRad; }},
121	getGridEdgeHitRad : { value: function() { return this._gridEdgeHitRad; }},	121	getGridEdgeHitRad : { value: function() { return this._gridEdgeHitRad; }},
122		122
123	getLastHit : { value: function() { return this._lastHit; }},	123	getLastHit : { value: function() { return this._lastHit; }},
124	setLastHit : { value: function(h) { this._lastHit = h; }},	124	setLastHit : { value: function(h) { this._lastHit = h; }},
125		125
126	hasDragPlane : { value: function() { return this._hasDragPlane; }},	126	hasDragPlane : { value: function() { return this._hasDragPlane; }},
127	getDragPlane : { value: function() { return this._dragPlane.slice(0); }},	127	getDragPlane : { value: function() { return this._dragPlane.slice(0); }},
128		128
129	has2DCache : { value: function() { return (this._elementCache && !this._isCacheInvalid); }},	129	has2DCache : { value: function() { return (this._elementCache && !this._isCacheInvalid); }},
130		130
131	enableSnapAlign : { value: function(e) { this._snapAlignEnabled = e; }},	131	enableSnapAlign : { value: function(e) { this._snapAlignEnabled = e; }},
132	snapAlignEnabled : { value: function() { return this._snapAlignEnabled; }},	132	snapAlignEnabled : { value: function() { return this._snapAlignEnabled; }},
133	enableElementSnap : { value: function(e) { this._elementSnapEnabled = e; }},	133	enableElementSnap : { value: function(e) { this._elementSnapEnabled = e; }},
134	elementSnapEnabled : { value: function() { return this._elementSnapEnabled; }},	134	elementSnapEnabled : { value: function() { return this._elementSnapEnabled; }},
135	enableGridSnap : { value: function(e) { this._gridSnapEnabled = e; }},	135	enableGridSnap : { value: function(e) { this._gridSnapEnabled = e; }},
136	gridSnapEnabled : { value: function() { return this._gridSnapEnabled; }},	136	gridSnapEnabled : { value: function() { return this._gridSnapEnabled; }},
137		137
138	enableSnapAlignAppLevel : { value: function(e) { this._snapAlignEnabledAppLevel = e; }},	138	enableSnapAlignAppLevel : { value: function(e) { this._snapAlignEnabledAppLevel = e; }},
139	snapAlignEnabledAppLevel : { value: function() { return this._snapAlignEnabledAppLevel; }},	139	snapAlignEnabledAppLevel : { value: function() { return this._snapAlignEnabledAppLevel; }},
140	enableElementSnapAppLevel : { value: function(e) { this._elementSnapEnabledAppLevel = e; }},	140	enableElementSnapAppLevel : { value: function(e) { this._elementSnapEnabledAppLevel = e; }},
141	elementSnapEnabledAppLevel : { value: function() { return this._elementSnapEnabledAppLevel; }},	141	elementSnapEnabledAppLevel : { value: function() { return this._elementSnapEnabledAppLevel; }},
142	enableGridSnapAppLevel : { value: function(e) { this._gridSnapEnabledAppLevel = e; }},	142	enableGridSnapAppLevel : { value: function(e) { this._gridSnapEnabledAppLevel = e; }},
143	gridSnapEnabledAppLevel : { value: function() { return this._gridSnapEnabledAppLevel; }},	143	gridSnapEnabledAppLevel : { value: function() { return this._gridSnapEnabledAppLevel; }},
144		144
145	///////////////////////////////////////////////////////////////////////	145	///////////////////////////////////////////////////////////////////////
146	// Methods	146	// Methods
147	///////////////////////////////////////////////////////////////////////	147	///////////////////////////////////////////////////////////////////////
148	initialize: {	148	initialize: {
149	value: function() {	149	value: function() {
150	this.eventManager.addEventListener("elementsRemoved", this, false);	150	this.eventManager.addEventListener("elementsRemoved", this, false);
@@ -209,734 +209,734 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
209	}	209	}
210	},	210	},
211		211
212	snap : {	212	snap : {
213	value: function (xScreen, yScreen, snap3D, quadPt)	213	value: function (xScreen, yScreen, snap3D, quadPt)
214	{	214	{
215	// force a 3D snap if a 2D snap is requested but the 2D cache has not been initialized	215	// force a 3D snap if a 2D snap is requested but the 2D cache has not been initialized
216	if (!snap3D && !this._elementCache) snap3D = true;	216	if (!snap3D && !this._elementCache) snap3D = true;
217		217
218	// clear out the last hit record	218	// clear out the last hit record
219	this.setLastHit( null );	219	this.setLastHit( null );
220		220
221	// snap to elements first, then the working plane	221	// snap to elements first, then the working plane
222	var screenPt = [xScreen, yScreen];	222	var screenPt = [xScreen, yScreen];
223	var hitRecArray = new Array();	223	var hitRecArray = new Array();
224	if (this.elementSnapEnabled())	224	if (this.elementSnapEnabled())
225	{	225	{
226	if (snap3D)	226	if (snap3D)
227	this.snapToElements( screenPt, hitRecArray );	227	this.snapToElements( screenPt, hitRecArray );
228		228
229