games.pong.items
Class Powerup

java.lang.Object
  vooga.gameEngine.game.GameRelatedObject
      vooga.gameEngine.item.GameItem
          vooga.physicsEngine.PhysicalItem
              games.pong.items.PongItem
                  games.pong.items.Powerup

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Renderable>, Collidable<Ball>, Renderable, Tangible

Direct Known Subclasses:

ReducePaddlePowerup

public abstract class Powerup
extends PongItem
implements Collidable<Ball>

A Powerup is an abstract class that will represent all Powerups in the game. Each Powerup will have an effect which is applied to the Paddle which hit the ball towards the Powerup. A Powerup needs knowledge of the other items in the game to affect their properties.

Author:

Ben Getson

See Also:

Serialized Form

Field Summary

Fields inherited from class vooga.physicsEngine.PhysicalItem

parameters

Constructor Summary

Powerup(java.lang.String url, double dimension, Pong game)
Create a new Powerup with the given image and dimensions.

Method Summary

abstract void	applyEffect() Determines the effect of this Powerup.
void	collide(Ball otherObject) Apply the given effect for this Powerup, and then remove it from the game.
Paddle	getHittingPaddle()
Paddle	getOpponentPaddle()

Methods inherited from class games.pong.items.PongItem

changeImage, reduceSize, resetSize

Methods inherited from class vooga.physicsEngine.PhysicalItem

applyAngularImpulse, applyImpulse, getPhysicsOn, setConstantForce, setPhysicsOn, setPosition, setPosition

Methods inherited from class vooga.gameEngine.item.GameItem

compareTo, getPosition, getRotation, getShape, getSize, getTexture, isVisible, move, resize, rotate, setPosition, setRotation, setSize, setVisibility

Methods inherited from class vooga.gameEngine.game.GameRelatedObject

addEventListener, clearListeners, equals, fire, fire, fire, getEventListeners, getID, getListenerCount, removeEventListener

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface vooga.gameEngine.item.Renderable

getTexture, isVisible, setVisibility

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface vooga.gameEngine.item.Tangible

getPosition, getRotation, getShape, getSize, move, resize, rotate, setPosition, setRotation, setSize

Constructor Detail

Powerup

public Powerup(java.lang.String url,
               double dimension,
               Pong game)

Create a new Powerup with the given image and dimensions.

Parameters:

url - the url of the image to assign to the Powerup

dimension - the dimension of each side of the Poweup. Assumes the Powerup will be a square

game - a reference to the Pong game. Needed to apply effects to each game object

Method Detail

applyEffect

public abstract void applyEffect()

Determines the effect of this Powerup. This will be implemented by each instance of a Powerup. The effect is not limited to the Paddle which activated the Powerup. It could be the opposing Paddle or the Ball.

collide

public void collide(Ball otherObject)

Apply the given effect for this Powerup, and then remove it from the game.

Specified by:

collide in interface Collidable<Ball>

Parameters:

otherObject - that has collided with this object

getHittingPaddle

public Paddle getHittingPaddle()

Returns:

the Paddle which hit the Ball towards the Powerup

getOpponentPaddle

public Paddle getOpponentPaddle()

Returns:

the Paddle which did not hit the Ball towards the Powerup