[JAVA3D]

[vamshi raghu]

sorry for cross posting - please redirect me to the right list if this isn't
an appropriate place.

i want to get a filled set of traingles to tile a plane. atleast a single
triangle to start with.
why isn't this working?

thanks a lot,
vamshi

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.Sphere;
import javax.media.j3d.*;
import javax.vecmath.*;
import javax.swing.*;

public class HelloJava3Da extends Applet
{
public BranchGroup createSceneGraph()
{
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a simple shape leaf node, add it to the scene graph.
// ColorCube is a Convenience Utility class
objRoot.addChild(new Terrain() );
return objRoot;
} // end of createSceneGraph method of HelloJava3Da
public void init()
{
setLayout(new BorderLayout());
Canvas3D canvas3D = new
Canvas3D(SimpleUniverse.getPreferredConfiguration());
add("Center", canvas3D);
BranchGroup scene = createSceneGraph();
scene.compile();
SimpleUniverse simpleU = new SimpleUniverse(canvas3D);
simpleU.getViewingPlatform().setNominalViewingTransform();
simpleU.addBranchGraph(scene);
} // end of init
public static void main(String args[])
{
new MainFrame(new HelloJava3Da(),256,256);
}
}

class Terrain extends Shape3D
{
private Geometry tGeometry;
private Appearance tAppearance;
public Terrain()
{
tGeometry = createGeometry();
tAppearance = createAppearance();
this.setGeometry(tGeometry);
this.setAppearance(tAppearance);
}
private Geometry createGeometry()
{
Point3f p[] = new Point3f[3];
p[0] = new Point3f(0.0f,0.0f,0.0f);
p[1] = new Point3f(2.0f,2.0f,5.0f);
p[2] = new Point3f(2.0f,0.0f,0.0f);
TriangleArray ta = new TriangleArray(3,TriangleArray.COORDINATES);
ta.setCoordinates(0,p);
return ta;
/* return new Sphere().getShape().getGeometry();*/
}
private Appearance createAppearance()
{
ColoringAttributes ca = new ColoringAttributes();
ca.setColor (1.0f, 0.0f, 0.0f);
Appearance app = new Appearance();
app.setColoringAttributes(ca);
return app;
}
}

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