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Class pinball.player.tracker.TrackerStrategy 

java.lang.Object
   |
   +----java.lang.Thread
           |
           +----pinball.player.Strategy
                   |
                   +----pinball.player.tracker.TrackerStrategy
public class TrackerStrategy
extends Strategy
The player tracks the ball's progress.

Variable Index

o lastTime
Time between missed ball's till previous locations are erased.
o lastX
Last ball's location.
o lastY
Last ball's location.
o locations
Previous ball location's.
o maxLocations
Number of previous locations found.

Constructor Index

o TrackerStrategy(Buffer, TextArea, Camera)
The strategy thread for the player.

Method Index

o draw(Graphics, int, int)
Draw some objects for the person touch.
o special()
Find the angle and store previous locations.

Variables

o locations 
 protected Vector locations
Previous ball location's.

o maxLocations 
 protected int maxLocations
Number of previous locations found.

o lastX 
 protected int lastX
Last ball's location.

o lastY 
 protected int lastY
Last ball's location.

o lastTime 
 protected long lastTime
Time between missed ball's till previous locations are erased.

Constructors

o TrackerStrategy 
 public TrackerStrategy(Buffer buffer,
                        TextArea gameStats,
                        Camera camera)
The strategy thread for the player.

Parameters:
buffer - the first buffer in the series of buffers for the system.
gameStats - the area to write the game stats to.
camera - the camera for the system.

Methods

o special 
 public void special()
Find the angle and store previous locations.

Overrides:
special in class Strategy
o draw 
 public void draw(Graphics g,
                  int canvasWidth,
                  int canvasHeight)
Draw some objects for the person touch. If they touch them, change the object's color.

Parameters:
g - the graphics to draw to.
cavasWidth - the width of the canvas.
canvcasHeight - the hight of the canvas.
Overrides:
draw in class Strategy 
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