AStarHeuristic.java

package vooga.towerdefense.model.AStar;

import java.awt.Point;

/**
 * The interface vooga.towerdefense.model.AStar Heuristics have to implement.
 */
public interface AStarHeuristic {

        /**
         *
         * The heuristic tries to guess how far a given Node is from the goal Node.
         * The lower the cost, the more likely a Node will be searched next.
         *
         * @param map The map on which we try to find the path
         * @param x The x coordinate of the tile being evaluated
         * @param y The y coordinate of the tile being evaluated
         * @param tx The x coordinate of the target location
         * @param ty The y coordinate of the target location
         * @return The cost associated with the given tile
         */
        public float getEstimatedDistanceToGoal(Point start, Point goal);
}