public Rockets()
{
Name = "Rockets";
MaxNumberOfParticles = 10;
// The RocketEffector will add child particle systems.
Children = new ParticleSystemCollection();
Parameters.AddUniform <float>(ParticleParameterNames.Lifetime).DefaultValue = 2;
Effectors.Add(new StreamEmitter
{
DefaultEmissionRate = 2,
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Position);
Effectors.Add(new StartPositionEffector
{
Parameter = ParticleParameterNames.Position,
Distribution = new BoxDistribution {
MinValue = new Vector3(-5, 0, -5), MaxValue = new Vector3(5, 0, 0)
},
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Direction);
Effectors.Add(new StartDirectionEffector
{
Parameter = ParticleParameterNames.Direction,
Distribution = new DirectionDistribution {
Deviation = 0.5f, Direction = Vector3.UnitY
},
});
Parameters.AddVarying <float>(ParticleParameterNames.LinearSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.LinearSpeed,
Distribution = new UniformDistributionF(2, 6),
});
Effectors.Add(new LinearVelocityEffector());
Parameters.AddUniform <Vector3>(ParticleParameterNames.LinearAcceleration).DefaultValue = new Vector3(0, -2f, 0);
Effectors.Add(new LinearAccelerationEffector());
Parameters.AddUniform <float>(ParticleParameterNames.Alpha).DefaultValue = 0;
// The RocketEffector creates and controls nested particle systems for the rocket trails
// and explosions.
Effectors.Add(new RocketEffector());
ParticleSystemValidator.Validate(this);
}
private RocketTrail(ContentManager contentManager)
{
MaxNumberOfParticles = 200;
Parameters.AddVarying <float>(ParticleParameterNames.Lifetime);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.Lifetime,
Distribution = new UniformDistributionF(1, 2),
});
Parameters.AddUniform <float>(ParticleParameterNames.EmissionRate);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.EmissionRate,
DefaultValue = 60,
});
Effectors.Add(new StreamEmitter
{
EmissionRateParameter = ParticleParameterNames.EmissionRate,
});
Parameters.AddVarying <Vector3F>(ParticleParameterNames.Position);
Effectors.Add(new StartPositionEffector
{
Parameter = ParticleParameterNames.Position,
});
Parameters.AddVarying <Vector3F>(ParticleParameterNames.Direction);
Effectors.Add(new StartDirectionEffector
{
Parameter = ParticleParameterNames.Direction,
Distribution = new DirectionDistribution {
Deviation = ConstantsF.Pi, Direction = Vector3F.UnitY
},
});
Parameters.AddVarying <float>(ParticleParameterNames.LinearSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.LinearSpeed,
Distribution = new UniformDistributionF(0.1f, 0.3f),
});
// The StartVelocityBiasEffector adds a velocity to new particles. We use this to add
// the rocket velocity (stored in the parameter "EmitterVelocity") to the start velocities
// of the particles.
Parameters.AddUniform <Vector3F>(ParticleParameterNames.EmitterVelocity);
Effectors.Add(new StartVelocityBiasEffector {
Strength = 0.1f
});
Effectors.Add(new LinearVelocityEffector());
Parameters.AddVarying <float>(ParticleParameterNames.Angle);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.Angle,
Distribution = new UniformDistributionF(-ConstantsF.Pi, ConstantsF.Pi),
});
Parameters.AddVarying <float>(ParticleParameterNames.AngularSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.AngularSpeed,
Distribution = new UniformDistributionF(-1, 1),
});
Effectors.Add(new AngularVelocityEffector());
Parameters.AddVarying <float>("StartSize");
Effectors.Add(new StartValueEffector <float>
{
Parameter = "StartSize",
Distribution = new UniformDistributionF(0.2f, 0.5f),
});
Parameters.AddVarying <float>("EndSize");
Effectors.Add(new StartValueEffector <float>
{
Parameter = "EndSize",
Distribution = new UniformDistributionF(0.5f, 1f),
});
Parameters.AddVarying <float>(ParticleParameterNames.Size);
Effectors.Add(new SingleLerpEffector
{
ValueParameter = ParticleParameterNames.Size,
StartParameter = "StartSize",
EndParameter = "EndSize",
});
Parameters.AddVarying <Vector3F>(ParticleParameterNames.Color);
Effectors.Add(new StartValueEffector <Vector3F>
{
Parameter = ParticleParameterNames.Color,
Distribution = new LineSegmentDistribution {
Start = new Vector3F(0.5f, 0.4f, 0.25f), End = new Vector3F(0.7f, 0.6f, 0.5f)
},
});
Parameters.AddVarying <float>(ParticleParameterNames.Alpha);
Effectors.Add(new FuncEffector <float, float>
{
InputParameter = ParticleParameterNames.NormalizedAge,
OutputParameter = ParticleParameterNames.Alpha,
Func = age => 6.7f * age * (1 - age) * (1 - age),
});
Parameters.AddUniform <Texture2D>(ParticleParameterNames.Texture).DefaultValue =
contentManager.Load <Texture2D>("Particles/Smoke");
// Draw behind explosion.
Parameters.AddUniform <int>(ParticleParameterNames.DrawOrder).DefaultValue = -100;
// The ParticleSystemRecycler recycles this instance into the specified resource
// pool when all particles are dead.
Effectors.Add(new ParticleSystemRecycler
{
ResourcePool = Pool,
// Set a minimum life-time to avoid that the particle system is recycled too early.
// (The rocket trail might need a few frames before particles are created.)
MinRuntime = TimeSpan.FromSeconds(0.05f),
});
ParticleSystemValidator.Validate(this);
}
public RocketExplosionSmoke(ContentManager contentManager)
{
MaxNumberOfParticles = 200;
Parameters.AddVarying <float>(ParticleParameterNames.Lifetime);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.Lifetime,
Distribution = new UniformDistributionF(2, 4),
});
// 30 particles are created instantly, and then no more particles.
Effectors.Add(new StreamEmitter
{
DefaultEmissionRate = 30 * 60,
EmissionLimit = 30,
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Position);
Effectors.Add(new StartPositionEffector());
Parameters.AddVarying <Vector3>(ParticleParameterNames.Direction);
Effectors.Add(new StartDirectionEffector
{
Parameter = ParticleParameterNames.Direction,
Distribution = new DirectionDistribution {
Deviation = ConstantsF.TwoPi, Direction = Vector3.UnitY
},
});
Parameters.AddVarying <float>(ParticleParameterNames.LinearSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.LinearSpeed,
Distribution = new UniformDistributionF(1, 6),
});
// The StartVelocityBiasEffector adds a velocity to new particles. We use this to add
// the rocket velocity (stored in the parameter "EmitterVelocity") to the start velocities
// of the particles.
Effectors.Add(new StartVelocityBiasEffector
{
BiasVelocityParameter = ParticleParameterNames.EmitterVelocity,
Strength = 1
});
Effectors.Add(new LinearVelocityEffector());
Parameters.AddUniform <Vector3>(ParticleParameterNames.LinearAcceleration).DefaultValue = new Vector3(0, -2.0f, 0);
Effectors.Add(new LinearAccelerationEffector());
Parameters.AddUniform <float>(ParticleParameterNames.Damping).DefaultValue = 2.0f;
Effectors.Add(new SingleDampingEffector());
Parameters.AddVarying <float>(ParticleParameterNames.Angle);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.Angle,
Distribution = new UniformDistributionF(-ConstantsF.Pi, ConstantsF.Pi),
});
Parameters.AddVarying <float>(ParticleParameterNames.AngularSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.AngularSpeed,
Distribution = new UniformDistributionF(-1, 1),
});
Effectors.Add(new AngularVelocityEffector());
Parameters.AddVarying <float>(ParticleParameterNames.Alpha);
Effectors.Add(new FuncEffector <float, float>
{
InputParameter = ParticleParameterNames.NormalizedAge,
OutputParameter = ParticleParameterNames.Alpha,
Func = age => 6.7f * age * (1 - age) * (1 - age),
});
Parameters.AddVarying <float>("StartSize");
Effectors.Add(new StartValueEffector <float>
{
Parameter = "StartSize",
Distribution = new UniformDistributionF(1, 3),
});
Parameters.AddVarying <float>("EndSize");
Effectors.Add(new StartValueEffector <float>
{
Parameter = "EndSize",
Distribution = new UniformDistributionF(5, 10),
});
Parameters.AddVarying <float>(ParticleParameterNames.Size);
Effectors.Add(new SingleLerpEffector
{
ValueParameter = ParticleParameterNames.Size,
StartParameter = "StartSize",
EndParameter = "EndSize",
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Color);
Effectors.Add(new StartValueEffector <Vector3>
{
Parameter = ParticleParameterNames.Color,
Distribution = new LineSegmentDistribution {
Start = new Vector3(0.8f, 0.8f, 0.8f), End = new Vector3(1, 1, 1)
},
});
Parameters.AddUniform <Texture2D>(ParticleParameterNames.Texture).DefaultValue =
contentManager.Load <Texture2D>("Particles/Smoke");
}
public RocketExplosionCore(ContentManager contentManager)
{
MaxNumberOfParticles = 200;
Parameters.AddUniform <float>(ParticleParameterNames.Lifetime).DefaultValue = 1;
Effectors.Add(new StreamEmitter
{
DefaultEmissionRate = 20 * 60,
EmissionLimit = 20,
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Position);
Effectors.Add(new StartPositionEffector());
Parameters.AddVarying <Vector3>(ParticleParameterNames.Direction);
Effectors.Add(new StartDirectionEffector
{
Parameter = ParticleParameterNames.Direction,
Distribution = new DirectionDistribution {
Deviation = ConstantsF.TwoPi, Direction = Vector3.UnitY
},
});
Parameters.AddVarying <float>(ParticleParameterNames.LinearSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.LinearSpeed,
Distribution = new UniformDistributionF(0.5f, 2),
});
// The StartVelocityBiasEffector adds a velocity to new particles. We use this to add
// the rocket velocity (stored in the parameter "EmitterVelocity") to the start velocities
// of the particles.
Effectors.Add(new StartVelocityBiasEffector {
Strength = 1
});
Effectors.Add(new LinearVelocityEffector());
Parameters.AddVarying <float>(ParticleParameterNames.Angle);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.Angle,
Distribution = new UniformDistributionF(-ConstantsF.Pi, ConstantsF.Pi),
});
Parameters.AddVarying <float>(ParticleParameterNames.AngularSpeed);
Effectors.Add(new StartValueEffector <float>
{
Parameter = ParticleParameterNames.AngularSpeed,
Distribution = new UniformDistributionF(-1, 1),
});
Effectors.Add(new AngularVelocityEffector());
Parameters.AddVarying <float>("TargetAlpha");
Effectors.Add(new StartValueEffector <float>
{
Parameter = "TargetAlpha",
Distribution = new UniformDistributionF(0.3f, 0.5f),
});
Parameters.AddVarying <float>(ParticleParameterNames.Alpha);
Effectors.Add(new SingleFadeEffector
{
ValueParameter = ParticleParameterNames.Alpha,
TargetValueParameter = "TargetAlpha",
FadeInStart = 0f,
FadeInEnd = 0.3f,
FadeOutStart = 0.3f,
FadeOutEnd = 1f,
});
Parameters.AddUniform <float>("StartSize").DefaultValue = 3;
Parameters.AddUniform <float>("EndSize").DefaultValue = 5;
Parameters.AddVarying <float>(ParticleParameterNames.Size);
Effectors.Add(new SingleLerpEffector
{
ValueParameter = ParticleParameterNames.Size,
StartParameter = "StartSize",
EndParameter = "EndSize",
});
Parameters.AddVarying <Vector3>(ParticleParameterNames.Color);
Effectors.Add(new StartValueEffector <Vector3>
{
Parameter = ParticleParameterNames.Color,
Distribution = new LineSegmentDistribution {
Start = new Vector3(0.5f), End = new Vector3(0.66f)
},
});
Parameters.AddUniform <Texture2D>(ParticleParameterNames.Texture).DefaultValue =
contentManager.Load <Texture2D>("Particles/Explosion");
Parameters.AddUniform <float>(ParticleParameterNames.BlendMode).DefaultValue = 0;
// Draw on top of smoke.
Parameters.AddUniform <int>(ParticleParameterNames.DrawOrder).DefaultValue = 100;
}