import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import javax.vecmath.*;

/**
 * Adds a PointLight to the scene graph
 */
public class PointLightBranch extends TransformGroup {
    BoundingSphere bounds = new BoundingSphere(new Point3d(), 10.0);

    Vector3f direction = new Vector3f(0.0f, -1.0f, 0.0f);
    Point3f position = new Point3f(0.0f, 0.0f, 0.5f);

    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f red    = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f green  = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f blue   = new Color3f(0.0f, 0.0f, 1.0f);

  public PointLightBranch()
  {
    PointLight lightP = new PointLight();
    lightP.setInfluencingBounds(bounds);
    lightP.setCapability(Light.ALLOW_INFLUENCING_BOUNDS_READ);
    lightP.setPosition(position);
    lightP.setColor(green);
    addChild(lightP);
  }

} // PointLightBranch