@spearwolf/twopoint5d
Version:
Create 2.5D realtime graphics and pixelart with WebGL and three.js
50 lines • 2.1 kB
JavaScript
import { describe, expect, test } from 'vitest';
import { Map2DTileCoordsUtil } from './Map2DTileCoordsUtil.js';
describe('Map2DTileCoordsUtil', () => {
describe('new', () => {
test('only with tileWidth and tileHeight', () => {
const view = new Map2DTileCoordsUtil(16, 32);
expect(view).toBeDefined();
expect(view.tileWidth).toBe(16);
expect(view.tileHeight).toBe(32);
expect(view.xOffset).toBe(0);
expect(view.yOffset).toBe(0);
});
test('with xOffset and yOffset', () => {
const view = new Map2DTileCoordsUtil(16, 16, 4, 8);
expect(view).toBeDefined();
expect(view.xOffset).toBe(4);
expect(view.yOffset).toBe(8);
});
});
describe('getTileCoords()', () => {
test('without offset', () => {
expect(new Map2DTileCoordsUtil(32, 16).getTileCoords(4, 17, 70, 20)).toEqual([0, 1, 3, 2]);
expect(new Map2DTileCoordsUtil(32, 16).getTileCoords(-32, -1, 32, 32)).toEqual([-1, -1, 1, 3]);
expect(new Map2DTileCoordsUtil(16, 16).getTileCoords(8, 8, 16, 16)).toEqual([0, 0, 2, 2]);
});
test('with offset', () => {
expect(new Map2DTileCoordsUtil(16, 16, 20, 20).getTileCoords(8, 8, 17, 17)).toEqual([-1, -1, 2, 2]);
});
test('320x240 example', () => {
expect(new Map2DTileCoordsUtil(300, 200).getTileCoords(-320, -240, 640, 480)).toEqual([-2, -2, 4, 4]);
});
});
describe('computeTilesWithinCoords()', () => {
test('with offset', () => {
expect(new Map2DTileCoordsUtil(16, 16, 20, 20).computeTilesWithinCoords(8, 8, 17, 17)).toMatchObject({
top: -16,
left: -16,
width: 32,
height: 32,
tileTop: -1,
tileLeft: -1,
tileWidth: 16,
tileHeight: 16,
columns: 2,
rows: 2,
});
});
});
});
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