samer@0: /*
samer@0: */
samer@0: package samer.j3d;
samer@0: 
samer@0: import samer.core.*;
samer@0: import samer.maths.*;
samer@0: import samer.tools.*;
samer@0: import java.io.*;
samer@0: import java.awt.event.*;
samer@0: import javax.media.j3d.*;
samer@0: import javax.vecmath.*;
samer@0: 
samer@0: public class J3DViewer extends Util
samer@0: {
samer@0: 	Shape3D	shape;
samer@0: 		
samer@0: 	public J3DViewer(Root root, Matrix P, VVector A) throws Exception
samer@0: 	{		
samer@0: 		if (P==null) {
samer@0: 			Shell.print("creating PointsMatrix");
samer@0: 			P=new Matrix("PointsMatrix",A.size(),4);
samer@0: 			new MatrixAgent(P).execute("load",Shell.env());
samer@0: 		}
samer@0: 		// create scene
samer@0: 		{
samer@0: 			int viewerType=Shell.getInt("viewerType",0);
samer@0: 			Shape3D shape;
samer@0: 
samer@0: 			switch (viewerType) {
samer@0: 				case 1:
samer@0: 					shape=new Shape3D(new MatrixPointArrayAlpha(P,A), transparent(0,points()));
samer@0: 					break;
samer@0: 				case 2:
samer@0: 					shape=new Shape3D(new MatrixPoints4D(P,A), transparent(0,points()));
samer@0: 					break;
samer@0: 				case 3:
samer@0: 					Geometry geom=new PatchArrayAlpha(P,A);
samer@0: 					shape=new Shape3D(geom, rndr(flat(transparent(0,patch())),false));
samer@0: 					break;
samer@0: 				default: 
samer@0: 					shape=new Shape3D(new MatrixPointArray(P,A), points()); 
samer@0: 					addBackground(root,new Background(new Color3f(0.26f,0.23f,0.35f)));
samer@0: 					break;
samer@0: 			}
samer@0: 		}
samer@0: 	}
samer@0: 
samer@0: 	public javax.media.j3d.Node getShape() { return rotaterise(shape); }
samer@0: 	
samer@0: 	private Appearance rndr(Appearance a, boolean ignore)
samer@0: 	{
samer@0: 		RenderingAttributes	ra=new RenderingAttributes();
samer@0: 		ra.setDepthBufferEnable(false);
samer@0: 		ra.setIgnoreVertexColors(ignore);
samer@0: 		a.setRenderingAttributes(ra);
samer@0: 		return a;
samer@0: 	}
samer@0: 
samer@0: 
samer@0: 	private static Group rotaterise(javax.media.j3d.Node n)
samer@0: 	{
samer@0: 		TransformGroup	tg = new TransformGroup();
samer@0: 		TransformGroup tg2=new TransformGroup();
samer@0: 
samer@0: 		mouseRotate(tg);
samer@0: 		mouseTranslate(tg);
samer@0: 		mouseZoom(tg);
samer@0: 		addRotator(tg2,Shell.getInt("rotation.period",10000));
samer@0: 		tg.addChild(n);
samer@0: 		tg2.addChild(tg);
samer@0: 		return tg2;
samer@0: 	}
samer@0: }