physics
Class IMotion

java.lang.Object
  physics.IMotion

Direct Known Subclasses:

FrictionMotion, GravityMotion, NullMotion, StraightMotion

public abstract class IMotion
extends java.lang.Object

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

Version:

An abstract class for the motion of a CollisionObject

Author:

Constructor Summary

IMotion()

Method Summary

abstract void	bounce(CollisionObject col) Override to create a bounce for this motion when it collides with col
void	changeMomentum(double d) Override to do something useful
boolean	getCollided() Returns true, override to do something useful
abstract int	getDX() Should return the DX value
abstract int	getDY() Should return the DY value
abstract int	getSpeed() Should return the speed of this motion
double	getVelocity() Override to do something useful
void	setCoefficient(double c) Override to do something useful
void	setDX(double d) Override to do something useful
abstract void	setDX(int dx) Should change the DX value
void	setDY(double d) Override to do something useful
abstract void	setDY(int dy) Should change the DY value
void	setGravity(int g) Override to do something useful
void	setLocation(double d, double d2) Override to do something useful
abstract void	setVelocity(int dx, int dy, int speed) Set the velocity of this motion
abstract void	start() Should start the timer of this motion
abstract void	stop() Should stop the timer of this motion
void	switchMomentum(double d, CollisionObject c) Override to do something useful
abstract void	timerReact() Called when the timer reacts Should be overridden to do something useful

Methods inherited from class java.lang.Object

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

Constructor Detail

IMotion

public IMotion()

Method Detail

setVelocity

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

Set the velocity of this motion

Parameters:

dx- - change in the x direction

dy - - change in the y direction

speed - - the timer delay

getDX

public abstract int getDX()

Should return the DX value

Returns:

change in the x direction

setDX

public abstract void setDX(int dx)

Should change the DX value

setDY

public abstract void setDY(int dy)

Should change the DY value

getDY

public abstract int getDY()

Should return the DY value

Returns:

change in the y direction

getSpeed

public abstract int getSpeed()

Should return the speed of this motion

Returns:

the timer delay

timerReact

public abstract void timerReact()

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

start

public abstract void start()

Should start the timer of this motion

stop

public abstract void stop()

Should stop the timer of this motion

bounce

public abstract void bounce(CollisionObject col)

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

Parameters:

col - a CollisionObject value

setCoefficient

public void setCoefficient(double c)

Override to do something useful

Parameters:

c - a double value

getVelocity

public double getVelocity()

Override to do something useful

Returns:

a double value

changeMomentum

public void changeMomentum(double d)

Override to do something useful

Parameters:

d - a double value

switchMomentum

public void switchMomentum(double d,
                           CollisionObject c)

Override to do something useful

Parameters:

d - a double value

c - a CollisionObject value

getCollided

public boolean getCollided()

Returns true, override to do something useful

Returns:

a boolean value

setDX

public void setDX(double d)

Override to do something useful

Parameters:

d - a double value

setDY

public void setDY(double d)

Override to do something useful

Parameters:

d - a double value

setLocation

public void setLocation(double d,
                        double d2)

Override to do something useful

Parameters:

d - a double value

d2 - a double value

setGravity

public void setGravity(int g)

Override to do something useful

Parameters:

g - an int value