hg: openjfx/8/graphics/rt: improved camera controls for 3DViewer

[hang.vo at oracle.com]

Changeset: 22c190efec4a
Author:    John Yoon <john.yoon at oracle.com>
Date:      2013-09-12 22:43 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/22c190efec4a

improved camera controls for 3DViewer

! apps/experiments/3DViewer/src/main/java/com/javafx/experiments/jfx3dviewer/ContentModel.java
+ apps/experiments/3DViewer/src/main/java/com/javafx/experiments/jfx3dviewer/Xform.java