44 files changed, 1245 insertions, 177 deletions

diff --git a/js/helper-classes/3D/LinePlaneIntersectRec.js b/js/helper-classes/3D/LinePlaneIntersectRec.js
index cb172bf7..71ee81f4 100755
--- a/js/helper-classes/3D/LinePlaneIntersectRec.js
+++ b/js/helper-classes/3D/LinePlaneIntersectRec.js
@@ -1,7 +1,31 @@
 /* <copyright>
-This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
-No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
-(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+Copyright (c) 2012, Motorola Mobility, Inc
+All Rights Reserved.
+BSD License.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  - Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+  - Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+  - Neither the name of Motorola Mobility nor the names of its contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
 </copyright> */
 
 ///////////////////////////////////////////////////////////////////////
diff --git a/js/helper-classes/3D/Rectangle.js b/js/helper-classes/3D/Rectangle.js
index b8906f18..1922bd91 100755
--- a/js/helper-classes/3D/Rectangle.js
+++ b/js/helper-classes/3D/Rectangle.js
@@ -1,7 +1,31 @@
 /* <copyright>
-This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
-No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
-(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+Copyright (c) 2012, Motorola Mobility, Inc
+All Rights Reserved.
+BSD License.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  - Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+  - Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+  - Neither the name of Motorola Mobility nor the names of its contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
 </copyright> */
 
 ///////////////////////////////////////////////////////////////////////
diff --git a/js/helper-classes/3D/StageLine.js b/js/helper-classes/3D/StageLine.js
index 23e8cf5b..aaa9f95d 100755
--- a/js/helper-classes/3D/StageLine.js
+++ b/js/helper-classes/3D/StageLine.js
@@ -1,7 +1,31 @@
 /* <copyright>
-This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
-No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
-(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+Copyright (c) 2012, Motorola Mobility, Inc
+All Rights Reserved.
+BSD License.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  - Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+  - Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+  - Neither the name of Motorola Mobility nor the names of its contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
 </copyright> */
 
 ///////////////////////////////////////////////////////////////////////
@@ -222,49 +246,59 @@ var StageLine = exports.StageLine = Object.create(Object.prototype, {
                                 if (s0 != s1)
                                 {
                                         var t = Math.abs(d0)/( Math.abs(d0) + Math.abs(d1) );
-                                        if (t == 0)
+                                        if (MathUtils.fpSign(t) === 0)
                                         {
-                                                if (s1 > 0)     // entering the material from the beginning of the line that is to be drawn
+                                                // the first point of the line is on the (infinite) extension of a side of the boundary.
+                                                // Make sure the point (pt0) is within the range of the polygon edge
+                                                var vt0 = vecUtils.vecSubtract(3, pt0, bp0),
+                                                        vt1 = vecUtils.vecSubtract(3, bp1, pt0);
+                                                var dt0 = vecUtils.vecDot(3, vec, vt0),
+                                                        dt1 = vecUtils.vecDot(3, vec, vt1);
+                                                var st0 = MathUtils.fpSign(dt0),  st1 = MathUtils.fpSign(dt1);
+                                                if ((st0 >= 0) && (st1 >= 0))
                                                 {
-                                                        // see if the start point of the line is at a corner of the bounded plane
-                                                        var lineDir = vecUtils.vecSubtract(3, pt1, pt0);
-                                                        vecUtils.vecNormalize(3, lineDir);
+                                                        if (s1 > 0)     // entering the material from the beginning of the line that is to be drawn