// Задача: конструирайте порцеланова чаша със
// загладени ръбове. 


var renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setAnimationLoop( drawFrame );
document.body.appendChild( renderer.domElement );

var scene = new THREE.Scene();
scene.background = new THREE.Color( 'pink' );

var aspect = window.innerWidth/window.innerHeight;
camera = new THREE.PerspectiveCamera( 30, aspect );
camera.position.set( 0, 0, 10 );
camera.lookAt( new THREE.Vector3() );

	
// начален стадий на чаша
var material = new THREE.MeshPhongMaterial( {color: 'purple',shininess: 100, specular: 'white'} );

var outsideShape = new THREE.Mesh( new THREE.CylinderGeometry( 1.2, 1.2, 2.5, 40 ), material );

var innerHole = new THREE.Mesh(new THREE.CylinderGeometry(1, 1, 2.5, 40));
innerHole.position.y = 0.2;

var csg = new CSG();
csg.subtract([outsideShape, innerHole]);
var mug = csg.toMesh();
mug.material = material;

var topLip = new THREE.Mesh(new THREE.TorusGeometry(1.1, 0.1, 16, 64), material);
topLip.rotation.x = Math.PI / 2;
topLip.position.y = 2.5 / 2;
mug.add(topLip);

var bottomLip = new THREE.Mesh(new THREE.TorusGeometry(1.1, 0.1, 16, 64), material);
bottomLip.rotation.x = Math.PI / 2;
bottomLip.position.y = -2.5 / 2 + 0.1 / 2;
mug.add(bottomLip);

var handle = new THREE.Mesh(new THREE.TorusGeometry(1, 0.2, 16, 64, Math.PI), material);
handle.rotation.z = Math.PI / 2;
handle.position.x = -1.1;
mug.add(handle);

scene.add( mug );
		

var light = new THREE.PointLight();
light.position.set( 0, 5, 10 );
scene.add( light );


function drawFrame()
{
	// въртим чашата
	mug.rotation.x += 0.005;
	mug.rotation.z = Math.sin(2*mug.rotation.x)/2;
	mug.rotation.y += 0.003;
	
	renderer.render( scene, camera );
}