function getKey({ x, y, type }) {
    const gridX = x - x % 5;
    const gridY = y - y % 5;

    return `${gridX}-${gridY}`;
}

export default function Grid() {
    this.points = {};
    this.gridSize = 5;
};

Grid.prototype.setPoint = function({ x, y, type }, detail) {
    this.points[getKey({ x, y, type })] = detail;
};

Grid.prototype.getPoint = function({ x, y, type }) {
    return this.points[getKey({ x, y, type })];
}

Grid.prototype.deletePoint = function({ x, y, type }) {
    delete this.points[getKey({ x, y, type })];
};

// Grid.prototype.setArea = function({ x, y, w, h, type }) {
//     for (let i = x; i <= (x + w); i += this.gridSize) {
//         for (let j = y; j <= (y + h); j += this.gridSize) {
//             this.setPoint({ x: i, y: j, type });
//         }
//     }
// };