game_Lect07Version
Class ProjectileSprite

java.lang.Object
  extended by game_Lect07Version.ProjectileSprite

public class ProjectileSprite
extends java.lang.Object

This class encapsulates an on-screen sprite that represents a projectile in our game. A projectile is either live or dead. Only live projectiles are shown on-screen. It has a linear trajectory that is represented by an x and y displacement per frame.

Author:
mb

Constructor Summary
ProjectileSprite(java.awt.Dimension dimensionOfDrawingRegion, java.awt.Point initialPosition, int xDisplacement, int yDisplacement)
          Constructs a sprite located at the 0,0 position
 
Method Summary
 int getCurrentX()
          Accessor for this sprite's current x position
 int getCurrentY()
          Accessor for this sprite's current y position
 void initialPosition(java.awt.Point p)
           
 void move()
           
 void setAnchor(int x, int y)
          Mutates this sprite's anchor position
 void specifyDrawing(java.awt.Graphics2D g)
          This method takes the passed Graphics2D object and specifies how this sprite should be drawn on it.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ProjectileSprite

public ProjectileSprite(java.awt.Dimension dimensionOfDrawingRegion,
                        java.awt.Point initialPosition,
                        int xDisplacement,
                        int yDisplacement)
Constructs a sprite located at the 0,0 position

Parameters:
dimensionOfDrawingRegion -
Method Detail

setAnchor

public void setAnchor(int x,
                      int y)
Mutates this sprite's anchor position

Parameters:
x -
y -

getCurrentX

public int getCurrentX()
Accessor for this sprite's current x position

Returns:
as specified above

getCurrentY

public int getCurrentY()
Accessor for this sprite's current y position

Returns:
as specified above

initialPosition

public void initialPosition(java.awt.Point p)

move

public void move()

specifyDrawing

public void specifyDrawing(java.awt.Graphics2D g)
This method takes the passed Graphics2D object and specifies how this sprite should be drawn on it.