package mocap.figure;

import javax.media.j3d.Switch;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Vector3d;

import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.geometry.Sphere;

import j3d.Util;
import mocap.scene.CoordCross;

/**
 * Joint geometry consists of a geometric representation of the joint itself (a sphere, a cube).
 * 
 * @author Michael Kipp
 */
public class JointGeom
{

	public static final int NONE = -1, CROSS = 0, SPHERE_SMALL = 1,
			SPHERE_BIG = 2, CUBE = 3;
	private static final float SIZE_CROSS = .2f;
	private static final float SIZE_SPHERE_SMALL = .1f;
	private static final float SIZE_SPHERE_BIG = .005f;
	private static final float SIZE_CUBE = .03f;
	private Switch _switch;

	public JointGeom(TransformGroup parent, float radius)
	{
		_switch = new Switch();
		_switch.setCapability(Switch.ALLOW_SWITCH_WRITE);

		// option 1: cross
//		_switch.addChild(new CoordCross(SIZE_CROSS).getRoot());

		// option 2: small sphere
		Sphere s = new Sphere(radius); // SIZE_SPHERE_SMALL);
//		_switch.addChild(s);

		// option 3: big sphere
		s = new Sphere(radius); // SIZE_SPHERE_BIG);

		// option 4: cube
		//        Box b = new Box(SIZE_CUBE, SIZE_CUBE, SIZE_CUBE, JointAppearance.getInstance());
		Box box = new Box(radius, radius, radius, JointAppearance.getInstance());
//		_switch.addChild(box);

		select(SPHERE_BIG); // initial selection
		parent.addChild(s);
                
////		parent.addChild(_switch);
////		_switch.addChild(s);
	}

	////    public void detach() {
	////        ((TransformGroup)_switch.getParent()).removeChild(_switch);
	////    }

	public void select(int style)
	{
		_switch.setWhichChild(style == NONE ? Switch.CHILD_NONE : style);
	}

}