src/ch/epfl/maze/physical/stragegies/planner/DistanceCalculator.java


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package ch.epfl.maze.physical.stragegies.planner;

import ch.epfl.maze.util.Direction;
import ch.epfl.maze.util.Vector2D;

/**
 * @author Pacien TRAN-GIRARD
 */
public interface DistanceCalculator {

    /**
     * Returns the current position.
     *
     * @return The current position vector
     */
    Vector2D getPosition();

    /**
     * Calculates the Euclidean distance from the adjacent position at the given Direction to the target position.
     *
     * @param dir            The adjacent Direction
     * @param targetPosition The targeted position
     * @return The Euclidean distance between the two positions
     */
    default double getDistanceTo(Direction dir, Vector2D targetPosition) {
        return this
                .getPosition()
                .addDirectionTo(dir)
                .sub(targetPosition)
                .dist();
    }

}