@nichathan-gaming/map-generator/mapGenerator/getAStarPath/getCostToGoal.js

Creates and generates a 2 dimensional array with various path generation functions.

import assertIndex from "../helpers/assertIndex.js";

/**
 * Gets the distance from the index to the goal
 * @param {[number, number]} currentIndex The index that we are looking at
 * @param {[number, number]} endingIndex The index that we are moving towards
 * @returns {number} The distance to the goal
 */
const getCostToGoal = (currentIndex, endingIndex) => {
    assertIndex(currentIndex);
    assertIndex(endingIndex);

    return Math.abs(currentIndex[0] - endingIndex[0]) + Math.abs(currentIndex[1] - endingIndex[1]);
};

export default getCostToGoal;