import flash.events.MouseEvent;
 
cuadrado_mc.addEventListener(MouseEvent.MOUSE_OVER, onDown);
function onDown(e:MouseEvent):void
{
    e.target.addEventListener(MouseEvent.MOUSE_MOVE,onMove);
}
 
function onMove(e:MouseEvent):void
{
    trace(e.localX,e.localY);
 
    debug_txt.htmlText="<b>entre del cuadrado</b>\nx: "+e.localX+"\ny: "+e.localY+"\n\n<b>mouse relativo al escenario</b>\nx: "+mouseX+"\ny: "+mouseY;
}

for(var i : int = 0; i< 100; i++){
trace ('x: '+((i%10)-5)*50);
trace('y: '+ ((i/10)-5)*50);
}
//los traces de este ejemplo sería:
/*
x: -250
y: -250
x: -200
y: -245.00000000000003
x: -150
y: -240
x: -100
y: -235
x: -50
y: -229.99999999999997
x: 0
y: -225
x: 50
y: -220.00000000000003
x: 100
y: -215
x: 150
y: -210
x: 200
y: -204.99999999999997
x: -250
y: -200
x: -200
y: -195
x: -150
y: -190
x: -100
y: -185
x: -50
y: -180
x: 0
y: -175
x: 50
y: -170
x: 100
y: -165
x: 150
y: -160
x: 200
...*/

package {
import flash.display.BitmapData;
import flash.events.Event;
 
import org.papervision3d.core.math.Number3D;
import org.papervision3d.materials.special.MovieParticleMaterial;
 
import org.papervision3d.core.geom.Particles;
import org.papervision3d.core.geom.renderables.Particle;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.BitmapMaterial;
import org.papervision3d.materials.shaders.GouraudShader;
import org.papervision3d.materials.shaders.ShadedMaterial;
import org.papervision3d.materials.shaders.Shader;
import org.papervision3d.materials.special.BitmapParticleMaterial;
import org.papervision3d.materials.special.ParticleBitmap;
import org.papervision3d.materials.special.ParticleMaterial;
import org.papervision3d.objects.primitives.Sphere;
import org.papervision3d.objects.special.ParticleField;
import org.papervision3d.view.BasicView;
 
[SWF (width="450", height="300", backgroundColor="0x000000", frameRate="30")]
 
public class earth extends BasicView
{
 
public var sphere:Sphere;
public var sphere2:Sphere;
 
public var light : PointLight3D;
 
public var shader : Shader;     
 
public var stars : ParticleField;
public var cloudMaterial : BitmapMaterial;
 
[Embed (source="/../assets/Earth.jpg")]
private var EarthMap : Class;
 
[Embed (source="/../assets/star.png")]
private var particleBitmap : Class;
 
[Embed (source="/../assets/earthcloudmap.png")]
private var CloudMap : Class;
 
public var particles : Particles;
public var particle : Particle
public var counter : int = 0 ;
 
public function earth()
{
super(500,400);
 
var earthbmp:BitmapData = new EarthMap().bitmapData;
var earthmaterial:BitmapMaterial = new BitmapMaterial(earthbmp);
 
var clouds : BitmapData = new CloudMap().bitmapData;
 
// luz
light = new PointLight3D();
light.x = 300;
light.y = 300;
 
// tipo de shader que uso...
 
shader = new GouraudShader(light, 0xFFFFFF,0x404040)
 
// y el material.
var shadedmaterial:ShadedMaterial = new ShadedMaterial(earthmaterial, shader);
shadedmaterial.smooth=true;
 
//creo la primer esfera, la tierra
sphere = new Sphere(shadedmaterial, 150,24,16);
 
//material para la nubes
cloudMaterial = new BitmapMaterial(clouds)
cloudMaterial.smooth = true;
cloudMaterial.doubleSided = false;
 
// creo la segunda esfera
sphere2 = new Sphere(cloudMaterial,160,24,16); 
 
//creo el sistema de particulas
particles = new Particles();
 
//saco el bitmap para crear un material que sera aplicado a cada particula
var particlematerial : BitmapParticleMaterial = new BitmapParticleMaterial(new particleBitmap().bitmapData,0.5,-32,-32);
 
//creo 500 estrellas y la dispongo en el espacio entre 1000 y -500
for(var i : int = 0; i< 500; i++)
{
var particle : Particle = new Particle(particlematerial, 1, (Math.random()*1000) -500, (Math.random()*1000) -500, (Math.random()*3000) -1500);
particles.addParticle(particle);
}
//agrego al sceneario el sistema de particulas
scene.addChild(particles);
 
//agrego la tierra
scene.addChild(sphere);
//agrego las nubes
scene.addChild(sphere2); 
 
//punto de interes de la camara
camera.fov = 30;
 
addEventListener(Event.ENTER_FRAME, enterFrame);             
 
}
 
public function enterFrame(e:Event) : void
{
counter++;
 
sphere.yaw(-1);
sphere2.yaw(-0.5);
particles.yaw(-0.01);
particles.pitch(-0.01);
 
//camera.x = Math.sin(counter*0.02) * 2000;  si quieren que sea automatico en vez de seguir el mouse lo pueden hacer con una onda senoidal
camera.x = ((320-mouseX)*0.01) * 2000;
singleRender();
 
}
 
}
}