glam/es5/tests/material/lit-test.js

'use strict';

var _tape = require('tape');

var _tape2 = _interopRequireDefault(_tape);

var _readPixel = require('../read-pixel');

var _readPixel2 = _interopRequireDefault(_readPixel);

var _mesh = require('../../lib/mesh');

var _mesh2 = _interopRequireDefault(_mesh);

var _perspective = require('../../lib/camera/perspective');

var _perspective2 = _interopRequireDefault(_perspective);

var _lit = require('../../lib/material/lit');

var _lit2 = _interopRequireDefault(_lit);

var _forward = require('../../lib/renderer/forward');

var _forward2 = _interopRequireDefault(_forward);

var _scene = require('../../lib/scene');

var _scene2 = _interopRequireDefault(_scene);

var _geometry = require('../../lib/geometry');

var _geometry2 = _interopRequireDefault(_geometry);

var _normals = require('normals');

var _normals2 = _interopRequireDefault(_normals);

var _geo3dBox = require('geo-3d-box');

var _geo3dBox2 = _interopRequireDefault(_geo3dBox);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

(0, _tape2.default)('Lit Material', function (t) {
  var scene = (0, _scene2.default)({
    autoStart: false,
    renderer: (0, _forward2.default)({
      autoResizeCanvas: false,
      width: 100,
      height: 100
    })
  });
  var gl = scene.renderer.gl;
  var camera = (0, _perspective2.default)();
  var material = (0, _lit2.default)();
  var box = (0, _geo3dBox2.default)({ size: 5 });
  box.normals = _normals2.default.vertexNormals(box.cells, box.positions);
  var geometry = (0, _geometry2.default)(box);
  var mesh = (0, _mesh2.default)(geometry, material);

  scene.add(camera);
  scene.add(mesh);

  material.shading.color = [1, 0, 0];
  mesh.transform.position[2] = 0;
  camera.position[2] = 20;

  t.test('creates a scene with a red box', function (t) {
    t.plan(5);

    scene.render(camera);
    t.deepLooseEqual((0, _readPixel2.default)(gl, 50, 50), [255, 0, 0], 'The center is red');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 35, 35), [255, 0, 0], 'The top left is red');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 65, 65), [255, 0, 0], 'The bottom right is red');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 30, 30), [255, 255, 255], 'The top left outside is white');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 70, 70), [255, 255, 255], 'The bottom right outside is white');
  });

  t.test("can change the box's color", function (t) {
    t.plan(5);

    material.shading.color = [0, 1, 1];
    scene.render(camera);

    t.deepLooseEqual((0, _readPixel2.default)(gl, 50, 50), [0, 255, 255], 'The center is cyan');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 35, 35), [0, 255, 255], 'The top left is cyan');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 65, 65), [0, 255, 255], 'The bottom right is cyan');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 30, 30), [255, 255, 255], 'The top left outside is white');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 70, 70), [255, 255, 255], 'The bottom right outside is white');
  });

  t.test('the box can scale', function (t) {
    t.plan(5);

    material.shading.color = [255, 0, 255];
    mesh.transform.scale = [0.2, 0.2, 0.2];
    scene.render(camera);

    t.deepLooseEqual((0, _readPixel2.default)(gl, 50, 50), [255, 0, 255], 'The center is magenta');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 48, 48), [255, 0, 255], 'The top left is magenta');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 52, 52), [255, 0, 255], 'The bottom right is magenta');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 45, 45), [255, 255, 255], 'The top left outside is white');
    t.deepLooseEqual((0, _readPixel2.default)(gl, 55, 55), [255, 255, 255], 'The bottom right outside is white');

    scene.renderer.destroy();
  });
});