physics
Class NullMotion

java.lang.Object
  physics.IMotion
      physics.NullMotion

public class NullMotion
extends IMotion

NullMotion.java Created: Saturday September 18 11:45:51 2004

Version:

A motion that does nothing

Author:

Constructor Summary

NullMotion(CollisionObject colOb)
Creates a new NullMotion instance.

Method Summary

void	bounce(CollisionObject c) Override to create a bounce for this motion when it collides with col
int	getDX() Should return the DX value
int	getDY() Should return the DY value
int	getSpeed() Should return the speed of this motion
void	setDX(int dx) Should change the DX value
void	setDY(int dy) Should change the DY value
void	setVelocity(int dx, int dy, int speed) Set the velocity of this motion
void	start() Should start the timer of this motion
void	stop() Should stop the timer of this motion
void	timerReact() Called when the timer reacts Should be overridden to do something useful

Methods inherited from class physics.IMotion

changeMomentum, getCollided, getVelocity, setCoefficient, setDX, setDY, setGravity, setLocation, switchMomentum

Methods inherited from class java.lang.Object

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

Constructor Detail

NullMotion

public NullMotion(CollisionObject colOb)

Creates a new NullMotion instance. Sets the speed to 0

Parameters:

colOb - a CollisionObject value

Method Detail

setVelocity

public void setVelocity(int dx,
                        int dy,
                        int speed)

Description copied from class: IMotion

Set the velocity of this motion

Specified by:

setVelocity in class IMotion

dy - - change in the y direction

speed - - the timer delay

timerReact

public void timerReact()

Description copied from class: IMotion

Called when the timer reacts Should be overridden to do something useful

Specified by:

timerReact in class IMotion

start

public void start()

Description copied from class: IMotion

Should start the timer of this motion

Specified by:

start in class IMotion

stop

public void stop()

Description copied from class: IMotion

Should stop the timer of this motion

Specified by:

stop in class IMotion

bounce

public void bounce(CollisionObject c)

Description copied from class: IMotion

Override to create a bounce for this motion when it collides with col

Specified by:

bounce in class IMotion

Parameters:

c - a CollisionObject value

getSpeed

public int getSpeed()

Description copied from class: IMotion

Should return the speed of this motion

Specified by:

getSpeed in class IMotion

Returns:

the timer delay

getDY

public int getDY()

Description copied from class: IMotion

Should return the DY value

Specified by:

getDY in class IMotion

Returns:

change in the y direction

getDX

public int getDX()

Description copied from class: IMotion

Should return the DX value

Specified by:

getDX in class IMotion

Returns:

change in the x direction

setDX

public void setDX(int dx)

Description copied from class: IMotion

Should change the DX value

Specified by:

setDX in class IMotion

setDY

public void setDY(int dy)

Description copied from class: IMotion

Should change the DY value

Specified by:

setDY in class IMotion