LAST

 //////////////////////////////////////////
              //SISTEMA SOLAR POR MANUEL PATIÑO LOPEZ//
              ///////////////////////               //
                                  //REVISION 2/4/16//
                                 ///////////////////



            //INICIO DEL PROGRAMA


            var createScene = function() {
        	var scene = new BABYLON.Scene(engine);



        	//CAMARAS

        	var camara = new BABYLON.FreeCamera("FreeCamera", new BABYLON.Vector3(110, 111, -115), scene);
        	camara.speed=20
        	camara.attachControl(canvas, false);



             //LUCES

            var luzsol = new BABYLON.PointLight("Omni1", new BABYLON.Vector3(0, 0, 0), scene);
            var luzespacio = new BABYLON.HemisphericLight("Hemi0", new BABYLON.Vector3(0, 1, 0), scene);
            luzespacio.intensity = 0.5
        	luzsol.intensity = 0.9



            //VARIABLES DE PLANETAS TAMAÑOS, ETC

        	var sol = BABYLON.Mesh.CreateSphere('sphere1', 16, 200, scene); //POR FINES DIDACTICOS TOMAMOS EL RADIO DEL SOL A 200
        	var mercurio = BABYLON.Mesh.CreateSphere('sphere1', 16, 2.4, scene);//POR FINES DIDACTICOS LA ESCALA SERA RADIO/1000
            var venus = BABYLON.Mesh.CreateSphere('sphere1', 6, 6, scene);
        	var tierra = BABYLON.Mesh.CreateSphere('sphere1', 6, 6.37, scene);
        	var marte = BABYLON.Mesh.CreateSphere('sphere1', 6, 3.39, scene);
        	var jupiter = BABYLON.Mesh.CreateSphere('sphere1', 6, 71.4, scene);
        	var saturno = BABYLON.Mesh.CreateSphere('sphere1', 6, 60.26, scene);
        	var urano= BABYLON.Mesh.CreateSphere('sphere1', 6, 25.5, scene);
        	var neptuno = BABYLON.Mesh.CreateSphere('sphere1', 6, 24.7, scene);



        	// TEXTURAS Y MATERIALES


			//SOL
            var material = new BABYLON.StandardMaterial("materialsol", scene);
            sol.material = new BABYLON.StandardMaterial("luz", scene);
            sol.material.diffuseColor = new BABYLON.Color3(01, 01, 01);
            sol.material.specularColor = new BABYLON.Color3(01, 01, 01);
            sol.material.emissiveColor = new BABYLON.Color3(01, 1, 01);
            sol.material.ambientTexture = new BABYLON.Texture("sun.png", scene);


			//MERCURIO
            var material = new BABYLON.StandardMaterial("materialmercurio", scene);
			mercurio.material = material;
            material.diffuseTexture = new BABYLON.Texture("mercurio.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("mercurio.png", scene);


            //VENUS
			var material = new BABYLON.StandardMaterial("materialvenus", scene);
			venus.material = material;
            material.diffuseTexture = new BABYLON.Texture("venus.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("venus.png", scene);


            //TIERRA
			var material = new BABYLON.StandardMaterial("materialtierra", scene);
			tierra.material = material;
            material.diffuseTexture = new BABYLON.Texture("tierra.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("tierraspec.png", scene);


		    //MARTE
			var material = new BABYLON.StandardMaterial("materialmarte", scene);
			marte.material = material;
            material.diffuseTexture = new BABYLON.Texture("marte.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("marte.png", scene);


		  //JUPITER
			var material = new BABYLON.StandardMaterial("materialjupiter", scene);
			jupiter.material = material;
            material.diffuseTexture = new BABYLON.Texture("jupiter.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("jupiter.png", scene);


			  //URANO
			var material = new BABYLON.StandardMaterial("materialurano", scene);
			urano.material = material;
            material.diffuseTexture = new BABYLON.Texture("urano.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("urano.png", scene);


			  //NEPTUNO
			var material = new BABYLON.StandardMaterial("materialneptuno", scene);
			neptuno.material = material;
            material.diffuseTexture = new BABYLON.Texture("neptuno.png", scene);
            material.diffuseTexture.hasAlpha = false;
        	material.diffuseColor = new BABYLON.Color3(1, 1, 1);
            material.specularPower = 32;
            material.specularTexture = new BABYLON.Texture("neptuno.png", scene);

        	//Posicion inicial del sol

        	//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) *257, 10, Math.sin(alpha) * 257);
        	alpha += 0.001087 //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) *308, 10, Math.sin(beta) * 308);
        	beta += 0.0010254 ;//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) *349, 10, Math.sin(gamma) * 349);
        	 gamma += 0.00100365//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) *427, 10, Math.sin(delta) * 427);
        	delta += 0.00100686;//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) *998, 10, Math.sin(epsilon) * 998);
        	epsilon += 0.00001004015;// ALREDEDOR DE 4015 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) *1629, 10, Math.sin(dseta) * 1629);
        	 dseta +=  0.000010010585// ALREDEDOR DE 10585
        	});



        	//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) *3070, 10, Math.sin(eta) * 3070);
        	 eta +=  0.000010030660// ALREDEDOR DE 30660 DIAS
        	});



        	//Animacion NEPTUNO

        	 var iota = 0;
        	 scene.registerBeforeRender(function () {
        	 neptuno.rotation.x += 0.01;
        	 neptuno.rotation.z += 0.02;
        	 neptuno.position = new BABYLON.Vector3(Math.cos(iota) *4704, 10, Math.sin(iota) * 4704);
        	 iota +=  0.000010059860;// ALREDEDOR DE 59860 DIAS
        	});



        	//PLUTON NO EXISTE



        	return scene;
        };