avocado/packages/topdown/test/camera.js

import {expect} from 'chai';

import Camera from '../src/camera';

describe('Camera', () => {

  it('clamps to dimensions', () => {
    const camera = new Camera();
    camera.viewSize = [20, 30];
    camera.areaSize = [50, 50];
    camera.position = [0, 0];
    expect(camera.position).to.deep.equal([10, 15]);
    camera.position = [-1000, 0];
    expect(camera.position).to.deep.equal([10, 15]);
    camera.position = [0, -1000];
    expect(camera.position).to.deep.equal([10, 15]);
    camera.position = [1000, 1000];
    expect(camera.position).to.deep.equal([40, 35]);
    camera.position = [25, 25];
    expect(camera.position).to.deep.equal([25, 25]);
  });

});