import javax.media.j3d.*; // Canvas3D etc
import java.applet.Applet; // Applet
import java.awt.BorderLayout; // BorderLayout, Frame
import com.sun.j3d.utils.applet.MainFrame; // MainFrame
import com.sun.j3d.utils.universe.*;
import java.awt.Frame;
import com.sun.j3d.utils.behaviors.mouse.*;
import javax.vecmath.*;

/* Started from Prog3 */

public class Universe extends Applet {
	public Universe() {
		setLayout ( new BorderLayout() );
		Canvas3D c = new Canvas3D ( null );
		add ( "Center", c );
		BranchGroup scene = createSceneGraph();
		SimpleUniverse u = new SimpleUniverse ( c );
		u.getViewingPlatform().setNominalViewingTransform();
		u.addBranchGraph ( scene );
	}

	/* from SpinMouse.java */
	public TransformGroup defaultMouseGroup() {
		TransformGroup mouseGroup = new TransformGroup();
		mouseGroup.setCapability ( TransformGroup.ALLOW_TRANSFORM_READ );
		mouseGroup.setCapability ( TransformGroup.ALLOW_TRANSFORM_WRITE );
		BoundingSphere bounds = new BoundingSphere (
			new Point3d ( 0.0, 0.0, 0.0 ), 100.0 );
		//MouseDrag behavior1 = new MouseDrag ( mouseGroup );
		MouseRotate behavior1 = new MouseRotate ( mouseGroup );
		mouseGroup.addChild ( behavior1 );
		behavior1.setSchedulingBounds ( bounds );
		MouseZoom behavior2 = new MouseZoom ( mouseGroup );
		mouseGroup.addChild ( behavior2 );
		behavior2.setSchedulingBounds ( bounds );
		MouseTranslate behavior3 = new MouseTranslate ( mouseGroup );
		mouseGroup.addChild ( behavior3 );
		behavior3.setSchedulingBounds ( bounds );
		return mouseGroup;
	}

	public BranchGroup createSceneGraph() {
		Color3f red = new Color3f ( 1, 0, 0 );
		Color3f green = new Color3f ( 0, 1, 0 );
		Color3f blue = new Color3f ( 0, 0, 1 );
		BranchGroup objRoot = new BranchGroup();
		TransformGroup objTrans = defaultMouseGroup();
		objRoot.addChild ( objTrans );
		Helix h = new Helix(1,1);
		ParametricCurve3D x = new ParametricCurve3D(0,3,0.25f,h);
		objTrans.addChild ( x );
		Axes a = new Axes(1,1,3);
		objTrans.addChild ( a );

		Alpha alpha = new Alpha(-1,5000);
		TransformGroup tg = new TransformGroup ();
		tg.setCapability( TransformGroup.ALLOW_TRANSFORM_READ );
		tg.setCapability( TransformGroup.ALLOW_TRANSFORM_WRITE );
		objTrans.addChild ( tg );
		tg.addChild ( new Axes(0.5f,0.5f,0.5f, green, red, blue ) );
		tg.setTransform ( h.frameAt ( 0.5f ) );

		FrameBehavior fb = new FrameBehavior ( alpha, h, 3.0f, tg );
		fb.setSchedulingBounds( new BoundingSphere(new Point3d(0,0,0), 100) );
		objTrans.addChild ( fb );

		return objRoot;
	}

	public static void main ( String[] args ) {
		Frame frame = new MainFrame ( new Universe(), 256, 256 );
	}
}