Try run it:
import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import java.awt.*;
import javax.vecmath.*;
import javax.media.j3d.GeometryArray;
import java.applet.Applet;
import com.sun.j3d.utils.geometry.GeometryInfo;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.BranchGroup;
import com.sun.j3d.utils.applet.MainFrame;
import javax.media.j3d.*;
import java.awt.*;
import java.awt.BorderLayout;
import com.sun.j3d.utils.applet.MainFrame;
class Polyhedron
{
TransformGroup tg;
Polyhedron()
{
Point3f[] pts=new Point3f[20];
pts[0]= new Point3f( 0.0f, 0.0f, 1.1547f);
pts[1]= new Point3f( 1.0f, 0.0f, 0.57735f);
pts[2]= new Point3f( 0.333333f, 0.942809f, 0.57735f);
pts[3]= new Point3f( -1.0f, 0.0f, 0.57735f);
pts[4]= new Point3f( -0.333333f, -0.942809f, 0.57735f);
pts[5]= new Point3f( 1.0f, 0.0f, -0.57735f);
pts[6]= new Point3f( 0.666667f, -0.942809f, 0.0f);
pts[7]= new Point3f( -0.666667f, 0.942809f, 0.0f);
pts[8]= new Point3f( 0.333333f, 0.942809f, -0.57735f);
pts[9]= new Point3f( -1.0f, 0.0f, -0.57735f);
pts[10]= new Point3f( -0.333333f, -0.942809f, -0.57735f);
pts[11]= new Point3f( 0.0f, 0.0f, -1.1547f);
// the faces
int[] indices={2, 1, 0,
0, 3, 4,
1, 6, 5,
2,8,7,
3,7,9,
4,10,6,
5,11,8,
9,11,10,
0,2,7,3,
0,4,6,1,
1,5,8,2,
3,9,10,4,
5,6,10,11,
7,8,11,9
};
// the number of vertices of each face
int[] stripCounts={3,3,3,3,3,3,3,3,4,4,4,4,4,4};
// I like Geometry Info. It's easier to create shapes ;-)
GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
// initialize the geometry info here
gi.setCoordinateIndices(indices);
gi.setCoordinates(pts);
gi.setStripCounts(stripCounts);
gi.recomputeIndices();
NormalGenerator ng = new NormalGenerator();
ng.generateNormals(gi);
gi.recomputeIndices();
// stripify
Stripifier st = new Stripifier();
st.stripify(gi);
gi.recomputeIndices();
GeometryArray myPolyhedron = gi.getGeometryArray();
Shape3D shape = new Shape3D();
shape.setGeometry(myPolyhedron);
Appearance app = new Appearance();
Material mat = new Material();
PolygonAttributes polyAtt= new
PolygonAttributes(PolygonAttributes.POLYGON_FILL,PolygonAttributes.CULL_BACK
, 0.0f);
app.setMaterial(mat);
app.setPolygonAttributes(polyAtt);
shape.setAppearance(app);
tg=new TransformGroup();
tg.addChild(shape);
}
TransformGroup getPolyhedron()
{
return tg;
}
}//end class
public class CallClass
{
CallClass ()
{
SimpleUniverse universe = new SimpleUniverse();
GraphicsConfiguration config = universe.getPreferredConfiguration();
Canvas3D c = new Canvas3D(config);
Polyhedron polyhedron=new Polyhedron();
BranchGroup group = new BranchGroup();
group.addChild(polyhedron.getPolyhedron());
universe.getViewingPlatform().setNominalViewingTransform();
universe.addBranchGraph(group);
}
public static void main(String[] args)
{
new CallClass();
}
}//end class CallClass
/*********************************************
SILVANO MALFATTI
COMPUTER SCIENCE - URI University
HOME - http://www.urisan.tche.br/~smalfatti
********************************************/
-------------------------------------------------
URI - Campus de Santo Angelo-RS
http://www.urisan.tche.br
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