importScripts('config.js');

	cube = {
		tens : [
			[ -1, +1, -1 ],	//0
			[ +1, +1, -1 ],	//1
			[ +1, -1, -1 ],	//2
			[ -1, -1, -1 ],	//3
			[ -1, +1, +1 ],	//4
			[ +1, +1, +1 ],	//5
			[ +1, -1, +1 ],	//6
			[ -1, -1, +1 ],	//7
		],
		mens : [
			[ 0,1,2,3 ],	//正面
			[ 5,4,7,6 ],	//背面
			[ 1,0,4,5 ],	//天面
			[ 2,6,7,3 ],	//底面
			[ 0,3,7,4 ],	//左面
			[ 5,6,2,1 ],	//右面
		],
		scale : 10,
	}
	
	models = new Array();
	
	let areaX = 600;
	let areaY = 500;
	let areaZ = 700;
	for( let i = 0; i < numberofmodels; i++ ) {
		let model = {
			pos : [
				Math.floor( Math.random() * areaX ) - areaX / 2,
				Math.floor( Math.random() * areaY ) - areaY / 2,
				1000 + Math.floor( Math.random() * areaZ ) - areaZ / 2,
			],
			rotateX : Math.random(),
			rotateY : Math.random(),
		}
		models.push( model );
	}
	
	s = 50;

function rotate( x, y, theta2 ) {
	let theta1 = Math.atan2( y, x );
	let hankei = Math.sqrt( x * x + y * y );
	x = Math.cos( theta1 + theta2 ) * hankei;
	y = Math.sin( theta1 + theta2 ) * hankei;
	return { X : x, Y : y };
}


onmessage = function( e ) {
	
	//frame　回転
	for( let i = 0; i < models.length; i++ ) {
		models[ i ].rotateX += .05;
		models[ i ].rotateY += .05;
	}

	//calc
	for( let j = 0; j < models.length; j++ ) {
		let model = models[ j ];
			model.tensC = new Array();
		for( let i = 0; i < cube.tens.length; i++ ) {
			let x = cube.tens[ i ][ 0 ];
			let y = cube.tens[ i ][ 1 ];
			let z = cube.tens[ i ][ 2 ];
		
			x *= cube.scale;
			y *= cube.scale;
			z *= cube.scale;
			
			let r;
			//rotateY
			r = rotate( x, z, model.rotateY );
			x = r.X;
			z = r.Y;

			//rotateX
			r = rotate( z, y, model.rotateX );
			z = r.X;
			y = r.Y;
			
			x += model.pos[ 0 ];
			y += model.pos[ 1 ];
			z += model.pos[ 2 ];
			
			let tenC = new Object();
			
			tenC.h = x * ( s / z );
			tenC.v = y * ( s / z );
			
			model.tensC.push( tenC );
		}
	}
	
	postMessage( models );
}