Demos.Polymorphism
Class BouncingBall

java.lang.Object
  NGP.Graphics.Shape
      NGP.Graphics.RectangularShape
          NGP.Graphics.FilledRectangularShape
              NGP.Graphics.FilledEllipse
                  Demos.Polymorphism.BouncingBall

All Implemented Interfaces:

MouseListener, MouseMotionListener, EventListener, Colorable, Graphic, Locatable, Reactor, Rotatable, Sizeable

public class BouncingBall
extends FilledEllipse

A ball that bounces around on an applet.

Author:

Adrienne Decker, based on the Demos.Bounce.Ball written by Phil Ventura

Field Summary

Fields inherited from interface NGP.Colorable

DEFAULT_GRAY

Constructor Summary

BouncingBall()
Creates a new BouncingBall instance.

Method Summary

void	startBouncing() Method to be called when the user wants the ball to start bouncing.
void	stopBouncing() Method to be called when user wants the ball to stop bouncing.

Methods inherited from class NGP.Graphics.FilledRectangularShape

actualPaint

Methods inherited from class NGP.Graphics.RectangularShape

getDimension, getLocation, setCenterLocation, setDimension, setLocation, unwrap, wrap

Methods inherited from class NGP.Graphics.Shape

contains, drag, getBounds, getCenterLocation, getColor, getDrawingPanel, getRotation, hide, intersects, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, paint, react, setColor, setDrawingPanel, setRotation, show

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BouncingBall

public BouncingBall()

Creates a new BouncingBall instance.

Method Detail

stopBouncing

public void stopBouncing()

Method to be called when user wants the ball to stop bouncing.

startBouncing

public void startBouncing()

Method to be called when the user wants the ball to start bouncing.