public void AddEmitterGroup(EmitterGroup group)
{
_groups.Add(group.Name, group);
foreach (Modifier mod in _modifiers)
{
group.ApplyModifier(mod);
}
}
//======================================================[ Constructors & Methods ]
public ParticleSystem(Game game) : base(game)
{
_groups = new Dictionary<string, EmitterGroup>();
_modifiers = new List<Modifier>();
_strips = new Dictionary<string, ImageStrip>();
_trans = new Stack<Vector2>();
ImageStrip strip = new ImageStrip("Default");
strip.Asset = @"Resources\MPEDefaultParticle";
strip.FrameWidth = strip.FrameHeight = 32;
strip.Frames = 2;
_strips.Add("Default", strip);
EmitterGroup group = new EmitterGroup("Default");
_groups.Add("Default", group);
game.Components.Add(this);
}
protected override void Initialize()
{
//Creating the EmitterGroup, it must be given a name.
group = new EmitterGroup("test");
//Create two simple spray emitters.
emitter1 = new SprayEmitter(1000, -MathHelper.PiOver2, MathHelper.Pi);
emitter1.ParticleSpeed = 100f;
emitter1.ParticleColor = Color.SteelBlue;
emitter1.Position.Y = -50f;
emitter2 = new SprayEmitter(1000, MathHelper.PiOver2, MathHelper.Pi);
emitter2.ParticleSpeed = 100f;
emitter2.ParticleColor = Color.Tomato;
emitter2.Position.Y = 50f;
//We add the Emitters to the EmitterGroup (instead of adding them to the
//ParticleSystem).
group.AddEmitter(emitter1);
group.AddEmitter(emitter2);
//Now we can apply Modifiers to the EmitterGroup. Notice that there is a
//seperate Modifier for GroupMouseController. As the position of Emitters is
//relative to the position of the EmitterGroup, applying a regalar
//EmitterMouseController would result in undesired results... This modifier
//adjusts the position of the EmitterGroup, and not the Emitters.
group.ApplyModifier(new RandomScaleModifier(.1f, 1f));
group.ApplyModifier(new GroupMouseController(true));
//Finally we add the EmitterGroup to the ParticleSystem.
system.AddEmitterGroup(group);
//Of course you can choose to ignore EmitterGroups, and add Emitters to the
//ParticleSystem directly instead. However you should take care to never
//add an Emitter to more than one container.
base.Initialize();
}
