support basic (e.g. correct colors) lighting again.

still it's a bit weird as the trixls only seem to get lit from the front
and the back.

js/pixl/public/thrixl.html

@@ -121,7 +121,10 @@
				}
			}
			var material = new THREE.MeshBasicMaterial({color: 0x00ff00});
			var material = new THREE.MeshLambertMaterial({
				vertexColors: true,
				side: THREE.DoubleSide
			});
			return new THREE.Mesh(chunkGeometry, material);
		}
@@ -147,7 +150,14 @@
		controls.movementSpeed = 5.0;
		controls.rollSpeed = 0.75;
		var ambient = new THREE.AmbientLight(0x606060);
		scene.add(ambient);
		var light = new THREE.PointLight(0xffffff, 1, 10000);
		scene.add(light);
		var renderer = new THREE.WebGLRenderer();
		renderer.physicallyBasedShading = true;
		renderer.sortObjects = false;
		renderer.setClearColor(0xffffff);
		renderer.setSize(window.innerWidth, window.innerHeight);
@@ -173,6 +183,8 @@
			}
			controls.update(clock.getDelta());
			light.position.copy(camera.position);
			light.rotation.copy(camera.rotation);
			renderer.render(scene, camera);
		}