dao-game / files / src / game / coord.ts

coord.ts

1	export class Coord {
2	public row: number;
3	public col: number;
4
5	constructor(row: number, col: number) {
6	this.row = row;
7	this.col = col;
8	}
9
10	public add(coord: Coord): Coord {
11	return new Coord(this.row + coord.row, this.col + coord.col);
12	}
13
14	sub(coord: Coord): Coord {
15	return new Coord(this.row - coord.row, this.col - coord.col);
16	}
17
18	/**
19	* Finds if otherCoord is contained within a rectangle that sits between origin and this Coord
20	* @param otherCoord
21	*/
22	contains(otherCoord: Coord): boolean {
23	const xRatio = otherCoord.col / this.col;
24	const yRatio = otherCoord.row / this.row;
25	const xyInsideSquare = xRatio >= 0 && xRatio < 1 && yRatio >= 0 && yRatio < 1;
26	return xyInsideSquare;
27	}
28
29	equals(otherCoord: Coord): boolean {
30	const areEqual = this.col === otherCoord.col && this.row === otherCoord.row;
31	return areEqual;
32	}
33
34	// clock face directions
35	static get allDirections(): Coord[] {
36	const allDirections = [
37	new Coord(1, 0), // up
38	new Coord(1, 1), // up-right
39	new Coord(0, 1), // right
40	new Coord(-1, 1), // right-down
41	new Coord(-1, 0), // down
42	new Coord(-1, -1), // down-left
43	new Coord(0, -1), // left
44	new Coord(1, -1), // left-up
45	];
46	return allDirections;
47	}
48	}