protected override void Initialize()
{
base.Initialize();
//The SprayEmitter emits Particles in a fountain-like manner. You can adjust the
//angle of the spray, and also the spread. The SprayEmitter constructor takes
//both of its angle arguments in radians.
spray = new SprayEmitter(1000, MathHelper.ToRadians(-90f), MathHelper.ToRadians(30f));
spray.Position = new Vector2(400f, 550f);
spray.ParticleSpeed = 250f;
spray.ParticleSpeedRange = 100f;
spray.DischargeQuantity = 3;
spray.ParticleColor = Color.Red;
//The CircleEmitter emits Particles from a random position inside a circle. It
//can also emit Particles only from the circles edge, like a ring shape. You can
//set the spawned Particles to face away from the circles center, or in a
//random direction.
circle = new CircleEmitter(1000, 50f, false, CircleEmitter.RadialSpread.FromCenter);
circle.Position = new Vector2(150f, 350f);
circle.ParticleSpeed = 100f;
circle.DischargeQuantity = 3;
circle.ParticleColor = Color.Blue;
//The SpiralEmitter can emit Particles in a spiral shape. You can adjust the
//number of segments in the spiral, and also the direction of the spiral.
//In this example, we have set the DischargeQuantity to be the same as spiral
//segments, so at each trigger we will get 1 complete ring.
spiral = new SpiralEmitter(1000, 150f, 32, SpiralEmitter.SpiralDirection.Clockwise);
spiral.Position = new Vector2(650f, 350f);
spiral.ParticleSpeed = -100f;
spiral.DischargeQuantity = 32;
spiral.ParticleColor = Color.Green;
//The LineEmitter spawns Particles from a random position along a line. You can
//change the length, and rotation of the line. It could be useful for creating
//rain or snow effects.
line = new LineEmitter(1000, 800f);
line.Position = new Vector2(400f, 0f);
line.ParticleSpeed = 150f;
line.DischargeQuantity = 3;
//The TimeTriggerController Modifier causes the Emitter to trigger at the
//specified interval.
//Unfortunately there is a bug in this Modifier which causes it to only
//affect 1 Emitter at a time. It will be fixed in next version.
spray.ApplyModifier(new TimedTriggerController(50f));
circle.ApplyModifier(new TimedTriggerController(50f));
spiral.ApplyModifier(new TimedTriggerController(250f));
line.ApplyModifier(new TimedTriggerController(50f));
//And of course, we need to add the Emitters to the ParticleSystem.
system.AddEmitter(spray);
system.AddEmitter(circle);
system.AddEmitter(spiral);
system.AddEmitter(line);
}
public Game1()
{
_graphics = new GraphicsDeviceManager(this);
_content = new ContentManager(Services);
_graphics.SynchronizeWithVerticalRetrace = false;
IsFixedTimeStep = false;
_graphics.PreferMultiSampling = false;
//_graphics.PreferredBackBufferFormat = SurfaceFormat.Bgr565;
_graphics.ApplyChanges();
//_graphics.ToggleFullScreen();
_system = new ParticleSystem(this);
_snow = new LineEmitter(_system, 1000, 800f, 0f);
_snow.Position = new Vector2(400f, 0f);
_snow.ParticleLifespan = 15000;
_snow.ParticleSpeed = 50f;
_snow.ParticleSpeedRange = 50f;
_snow.ParticleColor = Color.Azure;
_snow.ParticleScale = .25f;
_snow.ApplyModifier(new SineForceModifier(10f, 20f));
_snow.ApplyModifier(new RandomScaleModifier(.05f, .2f));
_snow.ApplyController(new TimedTriggerController(10));
_snow.ApplyModifier(new OpacityModifier(1f, 0f));
_fireworks = new SprayEmitter(_system, 500, MathHelper.Pi, MathHelper.PiOver4);
_fireworks.Position = new Vector2(400f, 600f);
_fireworks.ParticleSpeed = 500f;
_fireworks.ParticleSpeedRange = 100f;
_fireworks.ParticleColor = Color.BurlyWood;
_fireworks.ParticleLifespan = 2000;
_fireworks.ParticleScale = .5f;
_fireworks.ParticleOpacity = .25f;
_fireworks.ApplyModifier(new GravityModifier(0f, 250f));
_fireworks.ApplyController(new TimedTriggerController(40));
_trail = new Emitter(_system, 5000);
_trail.ParticleLifespan = 250;
_trail.ParticleSpeed = 25f;
_trail.ApplyModifier(new ColorModifier(Color.Goldenrod, Color.Honeydew));
_trail.ApplyModifier(new ScaleModifier(.2f, 0f));
_trail.ApplyController(new TrailController(_fireworks, 10));
_explosion = new Emitter(_system, 5000);
_explosion.DischargeQuantity = 250;
_explosion.ParticleScale = .5f;
_explosion.ParticleSpeed = 155f;
_explosion.ParticleSpeedRange = 300f;
_explosion.ApplyModifier(new ColorModifier(Color.PowderBlue, Color.Red));
_explosion.ApplyModifier(new OpacityModifier(1f, 0f));
_explosion.ApplyModifier(new AtmosphereModifier(0.2f));
_explosion.ApplyController(new ExplosionController(_fireworks));
}
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();
}
