Java3d's Scenegraph & Sun's VRML Loaders allow ------------------- complex 3d objects to be loaded easily,
and the Java3d Scenegraph can be searched & traversed and the nodes can be read and manipulated as these programs by Sun, Nasa, Selman, and myself demonstrate.
| Human VRML model with Joint Node Found and Controlled | ----------------------------------------------------- | | Java program ( source code ) and VRML file: | | HumanWithControlledArm_VRML.java, stickChickMinimal.wrl | http://www.frontiernet.net/~imaging/vrml_loaders_working.html http://www.frontiernet.net/~imaging/sourcecode/ http://www.frontiernet.net/~imaging/sourcecode/stickChickMinimal.wrl http://www.frontiernet.net/~imaging/sourcecode/HumanWithControlledArm_VRML.java
| Sun's Java3d Scenegraph Editor showing a Nasa VRML model | -------------------------------------------------------- | | uses the Sun VRML Loaders, source code available and is free. | http://www.frontiernet.net/~imaging/Nasa_3d_animation.html http://java3d.netbeans.org/j3deditor_intro.html
| Picking of VRML objects with your mouse is demonstrated | in a new book, Java 3D Programming, by Daniel Selman ... | | The program reads a 3d scene as a simple VRML text file, | and displays the Java3d Scene Graph ( which is interactive, | you can expand and collapse the branches of the scenegraph | and examine the contents of the nodes ), it renders the | 3d scene, and when you click on an object | it tells you what you clicked on. | | VrmlPickingTest.java | http://www.frontiernet.net/~imaging/games_with_java3d.html http://www.frontiernet.net/~imaging/sourcecode/VrmlPickingTest.java http://www.manning.com/selman/
| Nasa's "FastScript3d" Java + VRML + Scripting" program | ------------------------------------------------------ | | More demonstations ( with source code ) of Nasa's Java3d | with Javascript extensions ... | | VRML animation with Java3d in a browser with the Sun VRML Loaders. | http://www.frontiernet.net/~imaging/Nasa_3d_animation.html
Here's a sample of the Java3d source code:
HumanWithControlledArm_VRML( ) // Constructor
{
createWindowFrameAndAdd3dCanvas( canvas3d
= createJava3dCanvas3D( ) ); universe = new SimpleUniverse( canvas3d );
view = universe.getViewer().getView( );createScenegraph( );
pauseNSecondsForDramaticEffect( 2 );
rotateControlledJoints( ); }
TransformGroup getNamedJointFromNodesGroup( String jointName, Hashtable nodesGroup ) { TransformGroup
namedJointTG = (TransformGroup) nodesGroup.get(
HAnimTag + jointName );
namedJointTG.setCapability(
TransformGroup.ALLOW_TRANSFORM_READ );
namedJointTG.setCapability(
TransformGroup.ALLOW_TRANSFORM_WRITE ); return( namedJointTG );
}// ----- end Java source code ----
Attached: sc_load_vrml_controlled_joint.gif ( 24,252 bytes )
Shows Sun's Java3d, Sun's VRML Loaders Working, Sun's Netbeans IDE.
Netbeans IDE:
http://www.netbeans.org/products/ide/screenshots.html
Makes making your Java programs easier with Java.
-- Paul, Java Developer & Web Animator -------------------------------------- Imaging the Imagined: Modeling with Math & a Keyboard
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