uwcse.sim
Class AbstractParticle
java.lang.Object
|
+--uwcse.sim.AbstractParticle
- All Implemented Interfaces:
- Thing
- Direct Known Subclasses:
- Canon, Firework
- abstract class AbstractParticle
- extends java.lang.Object
- implements Thing
A basic particle. It has x and y position, as well as velocity in
the x and y direction.
Field Summary |
protected int |
age
|
(package private) static java.util.Random |
rand
|
protected int |
velX
|
protected int |
velY
|
protected WorldModel |
world
|
protected int |
x
|
protected int |
y
|
Constructor Summary |
AbstractParticle(WorldModel w,
int x,
int y,
int velX,
int velY)
Create a new particle with the given properties. |
Method Summary |
void |
action()
Just update age and x and y position, based on velocity. |
abstract void |
displayOn(uwcse.graphics.GWindow g)
Subclasses must implement. |
int |
getX()
Answer the x position. |
int |
getY()
Answer the y position. |
boolean |
isAlive()
Always alive by default. |
java.lang.String |
toString()
Answer a string representation. |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
x
protected int x
y
protected int y
velX
protected int velX
velY
protected int velY
age
protected int age
world
protected WorldModel world
rand
static java.util.Random rand
AbstractParticle
public AbstractParticle(WorldModel w,
int x,
int y,
int velX,
int velY)
- Create a new particle with the given properties.
getX
public int getX()
- Answer the x position.
- Specified by:
getX
in interface Thing
getY
public int getY()
- Answer the y position.
- Specified by:
getY
in interface Thing
action
public void action()
- Just update age and x and y position, based on velocity.
- Specified by:
action
in interface Thing
displayOn
public abstract void displayOn(uwcse.graphics.GWindow g)
- Subclasses must implement.
- Specified by:
displayOn
in interface Thing
isAlive
public boolean isAlive()
- Always alive by default.
- Specified by:
isAlive
in interface Thing
toString
public java.lang.String toString()
- Answer a string representation.
- Overrides:
toString
in class java.lang.Object