SISTEMA SOLAR 0.3

// You have to create a function called createScene. This function must return a BABYLON.Scene object
// You can reference the following variables: scene, canvas
// You must at least define a camera
// More info here: https://github.com/BabylonJS/Babylon.js/wiki/The-Playground

var createScene = function() {
	var scene = new BABYLON.Scene(engine);
	var camera = new BABYLON.ArcRotateCamera("Camera", 0, Math.PI / 2, 12, BABYLON.Vector3.Zero(), scene);
	camera.attachControl(canvas, false);



//Luces
var light0 = new BABYLON.PointLight("Omni0", new BABYLON.Vector3(0, 0, 0), scene);
light0.diffuse = new BABYLON.Color3(1, 01, 01);
light0.specular = new BABYLON.Color3(1, 1, 1);
var light0 = new BABYLON.HemisphericLight("Hemi0", new BABYLON.Vector3(0, 1, 0), scene);



// Variables planetas
    var sol = BABYLON.Mesh.CreateSphere('sphere1', 16, 52, scene);
	var mercurio = BABYLON.Mesh.CreateSphere('sphere1', 16, 2, scene);
    var venus = BABYLON.Mesh.CreateSphere('sphere1', 6, 5, scene);
	var tierra = BABYLON.Mesh.CreateSphere('sphere1', 6, 5.4, scene);
	var marte = BABYLON.Mesh.CreateSphere('sphere1', 6, 2.4, scene);
	var jupiter = BABYLON.Mesh.CreateSphere('sphere1', 6, 10, scene);
	var saturno = BABYLON.Mesh.CreateSphere('sphere1', 6, 9, scene);
	var urano= BABYLON.Mesh.CreateSphere('sphere1', 6, 1, scene);
	var neptuno = BABYLON.Mesh.CreateSphere('sphere1', 6, 1.8, scene);


	sol.material = new BABYLON.StandardMaterial("texture1", scene);
	sol.material.ambientTexture = new BABYLON.Texture("grass.png", scene);


	// Posiciones iniciales
	sol.position.x = 0
	sol.position.y = 6.5



// Animacion MERCURIO
	var alpha = 0;
	scene.registerBeforeRender(function () {
		mercurio.rotation.x += 0.01;
		mercurio.rotation.z += 0.02;
		mercurio.position = new BABYLON.Vector3(Math.cos(alpha) *60, 10, Math.sin(alpha) * 40);
		alpha += 0.0087;//ALREDEDOR DE 87 DIAS TERRESTRES

	});



	//Animacion VENUS
		var beta = 0;
	    scene.registerBeforeRender(function () {
		venus.rotation.x += 0.01;
		venus.rotation.z += 0.02;
		venus.position = new BABYLON.Vector3(Math.cos(beta) *80, 10, Math.sin(beta) * 60);
		beta += 0.00254;//ALREDEDOR DE 254 DIAS TERRESTRES

	});


	//Animacion TIERRA

	    var gamma = 0;
	    scene.registerBeforeRender(function () {
		tierra.rotation.x += 0.01;
		tierra.rotation.z += 0.02;
		tierra.position = new BABYLON.Vector3(Math.cos(gamma) *100, 10, Math.sin(gamma) * 80);
		gamma += 0.00365;//ALREDEDOR DE 365 DIAS

		});



		//Animacion MARTE
	    var delta = 0;
	    marte.registerBeforeRender(function () {
		marte.rotation.x += 0.01;
		marte.rotation.z += 0.02;
		marte.position = new BABYLON.Vector3(Math.cos(delta) *120, 10, Math.sin(delta) * 100);
		delta += 0.00686;//ALREDEDOR DE 686 DIAS

	});


		//Animacion JUPITER
	    var epsilon = 0;
	    scene.registerBeforeRender(function () {
		jupiter.rotation.x += 0.01;
		jupiter.rotation.z += 0.02;
		jupiter.position = new BABYLON.Vector3(Math.cos(epsilon) *140, 10, Math.sin(epsilon) * 120);
		epsilon += 0.0004379;// ALREDEDOR DE 4379 DIAS

		});

		//Animacion SATURNO
	    var dseta = 0;
	    scene.registerBeforeRender(function () {
		saturno.rotation.x += 0.01;
		saturno.rotation.z += 0.02;
		saturno.position = new BABYLON.Vector3(Math.cos(dseta) *160, 10, Math.sin(dseta) * 140);
		dseta += 0.000010585;// ALREDEDOR DE 10585 DIAS

		});

		//Animacion URANO
	    var eta = 0;
	    scene.registerBeforeRender(function () {
		urano.rotation.x += 0.01;
		urano.rotation.z += 0.02;
		urano.position = new BABYLON.Vector3(Math.cos(eta) *180, 10, Math.sin(eta) * 160);
		eta += 0.000010585;// ALREDEDOR DE 10585 DIAS

		});


	    //Animacion NEPTUNO
	    var dseta = 0;
	    scene.registerBeforeRender(function () {
		neptuno.rotation.x += 0.01;
		neptuno.rotation.z += 0.02;
		neptuno.position = new BABYLON.Vector3(Math.cos(dseta) *200, 10, Math.sin(dseta) * 180);
		dseta += 0.000010585;// ALREDEDOR DE 10585 DIAS

		});

	return scene;
};