public override Node CloneNode()
{
ParticleNode node = (ParticleNode)base.CloneNode();
node.ParticleEffects.AddRange(particleEffects);
node.WorldTransformation = worldTransformation;
node.UpdateHandler = UpdateHandler;
return(node);
}
private void CreateObject()
{
// Loads a textured model of a ship
ModelLoader loader = new ModelLoader();
Model shipModel = (Model)loader.Load("", "p1_wedge");
// Create a geometry node of a loaded ship model
GeometryNode shipNode = new GeometryNode("Ship");
shipNode.Model = shipModel;
((Model)shipNode.Model).UseInternalMaterials = true;
// Create a transform node to define the transformation for the ship
TransformNode shipTransNode = new TransformNode();
shipTransNode.Translation = new Vector3(0, 0, -50);
shipTransNode.Scale = new Vector3(0.01f, 0.01f, 0.01f); // It's huge!
shipTransNode.Rotation = Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0),
MathHelper.ToRadians(90));
shipTransParentNode = new TransformNode();
shipTransParentNode.Translation = Vector3.Zero;
// Create a geometry node with model of a torus
GeometryNode torusNode = new GeometryNode("Torus");
torusNode.Model = new Torus(12f, 15.5f, 20, 20);
TransformNode torusTransNode = new TransformNode();
torusTransNode.Translation = new Vector3(-50, 0, 0);
torusTransNode.Rotation = Quaternion.CreateFromAxisAngle(Vector3.UnitX,
MathHelper.ToRadians(90));
// Create a material node for this torus model
Material torusMaterial = new Material();
torusMaterial.Diffuse = Color.DarkGoldenrod.ToVector4();
torusMaterial.Specular = Color.White.ToVector4();
torusMaterial.SpecularPower = 5;
torusNode.Material = torusMaterial;
// Now add the above nodes to the scene graph in appropriate order
scene.RootNode.AddChild(shipTransParentNode);
shipTransParentNode.AddChild(shipTransNode);
shipTransNode.AddChild(shipNode);
scene.RootNode.AddChild(torusTransNode);
torusTransNode.AddChild(torusNode);
// Now create couple of particle effects to attach to the models
// Create a smoke particle effect and fire particle effect to simulate a
// ring of fire around the torus model
#if WINDOWS_PHONE
SmokePlumeParticleEffect smokeParticles = new SmokePlumeParticleEffect(20, spriteBatch);
FireParticleEffect fireParticles = new FireParticleEffect(40, spriteBatch);
#else
SmokePlumeParticleEffect smokeParticles = new SmokePlumeParticleEffect();
FireParticleEffect fireParticles = new FireParticleEffect();
// The order defines which particle effect to render first. Since we want
// to show the fire particles in front of the smoke particles, we make
// the smoke particles to be rendered first, and then fire particles
smokeParticles.DrawOrder = 200;
fireParticles.DrawOrder = 300;
#endif
// Create a particle node to hold these two particle effects
ParticleNode fireRingEffectNode = new ParticleNode();
fireRingEffectNode.ParticleEffects.Add(smokeParticles);
fireRingEffectNode.ParticleEffects.Add(fireParticles);
// Implement an update handler for each of the particle effects which will be called
// every "Update" call
fireRingEffectNode.UpdateHandler += new ParticleUpdateHandler(UpdateRingOfFire);
torusNode.AddChild(fireRingEffectNode);
// Create another set of fire and smoke particle effects to simulate the fire
// the ship catches when the ship passes the ring of fire
#if WINDOWS_PHONE
FireParticleEffect shipFireEffect = new FireParticleEffect(150, spriteBatch);
SmokePlumeParticleEffect shipSmokeEffect = new SmokePlumeParticleEffect(80, spriteBatch);
shipFireEffect.MinScale *= 1.5f;
shipFireEffect.MaxScale *= 1.5f;
#else
FireParticleEffect shipFireEffect = new FireParticleEffect();
SmokePlumeParticleEffect shipSmokeEffect = new SmokePlumeParticleEffect();
shipSmokeEffect.DrawOrder = 400;
shipFireEffect.DrawOrder = 500;
#endif
ParticleNode shipFireNode = new ParticleNode();
shipFireNode.ParticleEffects.Add(shipFireEffect);
shipFireNode.ParticleEffects.Add(shipSmokeEffect);
shipFireNode.UpdateHandler += new ParticleUpdateHandler(UpdateShipFire);
shipNode.AddChild(shipFireNode);
}
