import org.newdawn.slick.util.pathfinding.heuristics.ClosestHeuristic; //导入依赖的package包/类
public VehiclePathfinder(World world) {
this.pathfinder = new AStarPathFinder(world, MAX_SEARCH_DISTANCE,
	true, new ClosestHeuristic());
   }
 

import org.newdawn.slick.util.pathfinding.heuristics.ClosestHeuristic; //导入依赖的package包/类
public InfantryPathfinder(World world) {
this.pathfinder = new AStarPathFinder(world, MAX_SEARCH_DISTANCE,
	true, new ClosestHeuristic());
   }
 

import org.newdawn.slick.util.pathfinding.heuristics.ClosestHeuristic; //导入依赖的package包/类
/**
 * Create a path finder with the default heuristic - closest to target.
 * 
 * @param map The map to be searched
 * @param maxSearchDistance The maximum depth we'll search before giving up
 * @param allowDiagMovement True if the search should try diaganol movement
 */
public AStarPathFinder(TileBasedMap map, int maxSearchDistance, boolean allowDiagMovement) {
	this(map, maxSearchDistance, allowDiagMovement, new ClosestHeuristic());
}