sim.portrayal.grid
Interface DrawPolicy


public interface DrawPolicy

Called by Sparse2DPortrayal and Object2DPortrayal to determine if all objects should be drawn or only one. The Bags provided contain objects all sitting in the same cell location onscreen.


Field Summary
static boolean DONE
           
static boolean DRAW_ALL
           
 
Method Summary
 boolean objectToDraw(Bag fromHere, Bag addToHere)
          Give the bag fromHere (which you should NOT MODIFY), which contains objects all occupying the same location, add to the bag addtoHere only those objects you wish to be drawn, then return DONE.
 

Field Detail

DRAW_ALL

public static final boolean DRAW_ALL
See Also:
Constant Field Values

DONE

public static final boolean DONE
See Also:
Constant Field Values
Method Detail

objectToDraw

public boolean objectToDraw(Bag fromHere,
                            Bag addToHere)
Give the bag fromHere (which you should NOT MODIFY), which contains objects all occupying the same location, add to the bag addtoHere only those objects you wish to be drawn, then return DONE. Alternatively, simply make no additions, then return DRAW_ALL if you wish the entire fromHere bag to be drawn. If you don't want anything to be drawn, just return DONE. Do not replace the array in addToHere.