// Задача: създайте град в равнината - постройките
// да са вертикални паралелепипеди със случайна
// височина

var N = 20; // 10x10 брой "карета" в града

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

var scene = new THREE.Scene();

var aspect = window.innerWidth/window.innerHeight;
var camera = new THREE.PerspectiveCamera( 30, aspect );
camera.position.set( 6, 7, 20 );
camera.lookAt( new THREE.Vector3() );



function rndSize(min, max) {
	return min + Math.random() * (max - min)
}

var buildingMaterial = new THREE.MeshPhongMaterial();

function createBuilding(x, z) {
	var width = rndSize(0.25, 0.9);
	var height = rndSize(0.25, width * 3.1);
	var depth = rndSize(0.25, 0.9);

	var geometry = new THREE.BoxGeometry( width, height, depth );
	var building = new THREE.Mesh(geometry, buildingMaterial);
	building.position.set(x, height / 2, z);
	scene.add(building);
}

for (var x = -N / 2; x < N / 2; x++) {
	for (var z = -N / 2; z < N / 2; z++) {
		createBuilding(x, z);
	}
}



var light = new THREE.PointLight( );
light.position.set( 3, 7, 9 );
scene.add( light );

light = new THREE.PointLight( );
light.position.set( 3, 7, -9 );
scene.add( light );


function drawFrame()
{
	scene.rotation.y += 0.005;
	renderer.render( scene, camera );
}