EffectData data = EffectData.Get("<SmokeEffect>");
EmitterData emitter = new EmitterData();

EffectData data = EffectData.Get("<SmokeEffect>");
EmitterData emitter = new EmitterData();

#region SmokeEffect (Static)
/// <summary>
/// Tutorial: Particle Effect Tutorial 2: Smoke Effect
/// Difficulty: Medium
/// Description: Draw a simple smoke effect.
/// Image: http://DeltaEngine.net/Icons/EffectTutorial2.png
/// </summary>
[Test, Category("Visual")]
public static void SmokeEffect()
{
    //********************************************
    //Set max to a large number or set it to 1 and you'll get a different visual effect even though you shouldn't - 
    //because all but the last Effect are killed before ever producing a particle
    //********************************************
    //int max = 40;
    int max = 1;

    for (int i = 0; i < max; i++)
    {

        // Create a new template.
        EffectData data = EffectData.Get("<SmokeEffect>");
        // Add an emitter and modifiers.
        EmitterData emitter = new EmitterData();
        emitter.Modifiers.Add(new SpawnIntervalModifier
        {
            SpawnInterval = 0.05f,
        });
        emitter.Modifiers.Add(new ParticleLifetimeModifier
        {
            ParticleLifetime = 2f
        });
        emitter.Modifiers.Add(new TimeRangeModifier
        {
            TimeRange = new Range(0f, float.PositiveInfinity),
        });
        emitter.Modifiers.Add(new FadeModifier
        {
            // Create simple graph for fading in and out!
            AdvancedAlphaFade =
            new Graph().Add(0, 0).Add(0.25f, 1.0f).Add(1.0f, 0.0f),
        });
        emitter.Modifiers.Add(new MaterialModifier
        {
            Material = new Material2DColored(
            //"SmokeBrightTransparency"),
            "Smoke"),
            //"SmokeAdditive"),
            //"SmokeSmallAdditive"),
        });
        emitter.Modifiers.Add(new RandomVelocityModifier
        {
            MinVelocity = new Vector(-0.05f, -0.1f, 0f),
            MaxVelocity = new Vector(0.05f, -0.1f, 0f),
        });
        emitter.Modifiers.Add(new RandomRotationModifier
        {
            RotationRange = new Range(0, 360),
        });
        data.Emitters.Add(emitter);
        //Effect.Spawn(data, new Vector(0.5f, 0.5f, 0f));
        // Always follow the mouse :)
        int id = Effect.Spawn(data, new MouseTracker());

        //********************************************
        //Insta-kill all but the last effect
        //********************************************
        if (i<max-1) Effect.Kill(id);
    }
    Application.Start();
}
#endregion

     [Test, Category("Visual")]
        public static void SmokeEffect()
        {
            //********************************************
            //Set max to a large number or set it to 1 and you'll get a different visual effect even though you shouldn't - 
            //because all but the last Effect are killed before ever producing a particle
            //********************************************
            //int max = 40;
            int max = 40;
            // Add an emitter and modifiers.
            // Create a new template.
            EffectData data = EffectData.Get("<SmokeEffect>");
            // Add an emitter and modifiers.
            EmitterData emitter = new EmitterData();
            emitter.Modifiers.Add(new SpawnIntervalModifier
            {
                SpawnInterval = 0.05f,
            });
            emitter.Modifiers.Add(new ParticleLifetimeModifier
            {
                ParticleLifetime = 2f
            });
            emitter.Modifiers.Add(new TimeRangeModifier
            {
                TimeRange = new Range(0f, float.PositiveInfinity),
            });
            emitter.Modifiers.Add(new FadeModifier
            {
                // Create simple graph for fading in and out!
                AdvancedAlphaFade =
                new Graph().Add(0, 0).Add(0.25f, 1.0f).Add(1.0f, 0.0f),
            });
            emitter.Modifiers.Add(new MaterialModifier
            {
                Material = new Material2DColored(
                    //"SmokeBrightTransparency"),
                "Smoke"),
                //"SmokeAdditive"),
                //"SmokeSmallAdditive"),
            });
            emitter.Modifiers.Add(new RandomVelocityModifier
            {
                MinVelocity = new Vector(-0.05f, -0.1f, 0f),
                MaxVelocity = new Vector(0.05f, -0.1f, 0f),
            });
            emitter.Modifiers.Add(new RandomRotationModifier
            {
                RotationRange = new Range(0, 360),
            });
            data.Emitters.Add(emitter);
            for (int i = 0; i < max; i++)
            {
                // Create a new template.

                //Effect.Spawn(data, new Vector(0.5f, 0.5f, 0f));
                // Always follow the mouse :)
                int id = Effect.Spawn(data, new MouseTracker());

                //********************************************
                //Insta-kill all but the last effect
                //********************************************
                if (i < max - 1) Effect.Kill(id);
            }

            Application.Start();
        }

if (i < max - 1) Effect.Kill(id);
data.Dispose();

EffectData data = EffectData.Get("<SmokeEffect>");

//New line of code - clears emitters being carried forward from one Effect.Spawn to the next
data.Emitters.Clear();

EmitterData emitter = new EmitterData();
emitter.Modifiers.Add(new SpawnIntervalModifier { SpawnInterval = 0.05f });
emitter.Modifiers.Add(new ParticleLifetimeModifier { ParticleLifetime = 1f });
emitter.Modifiers.Add(new TimeRangeModifier { TimeRange = new Range(0f, float.PositiveInfinity) }); 
emitter.Modifiers.Add(new FadeModifier { AdvancedAlphaFade = new Graph().Add(0, 0).Add(0.25f, 1.0f).Add(1.0f, 0.0f) });
emitter.Modifiers.Add(new MaterialModifier { Material = new Material2DColored("Smoke") });
emitter.Modifiers.Add(new RandomRotationModifier { RotationRange = new Range(0, 360) });
emitter.Modifiers.Add(new SizeModifier { WidthRange = new Range(.25f, .5f), HeightRange = new Range(.25f, .5f) });

data.Emitters.Add(emitter);
EmitterID = Effect.Spawn(data, this);