/// <summary>
/// A library function which creates a "explosion" particle effect (bouncy particles)
/// </summary>
/// <param name="assetName">Particle texture name</param>
/// <param name="name">Name of the effect</param>
/// <returns>A particle emitter which behaves like an explosion.</returns>
public ParticleEffect CreateGenericExplosion(string assetName, string name)
{
List <Point> frm = new List <Point>
{
new Point(0, 0)
};
Texture2D tex = TextureManager.GetTexture(assetName);
EmitterData testData = new EmitterData
{
Animation = new Animation(GameState.Game.GraphicsDevice, new SpriteSheet(assetName), assetName, tex.Width, tex.Height, frm, true, Color.White, 1.0f, 1.0f, 1.0f, false),
ConstantAccel = new Vector3(0, -10, 0),
LinearDamping = 0.9999f,
AngularDamping = 0.9f,
EmissionFrequency = 50.0f,
EmissionRadius = 1.0f,
EmissionSpeed = 5.0f,
GrowthSpeed = -0.0f,
MaxAngle = 3.14159f,
MinAngle = 0.0f,
MaxParticles = 1000,
MaxScale = 0.2f,
MinScale = 0.1f,
MinAngular = -5.0f,
MaxAngular = 5.0f,
ParticleDecay = 0.5f,
ParticlesPerFrame = 0,
ReleaseOnce = true,
Texture = tex,
CollidesWorld = true,
Sleeps = true
};
RegisterEffect(name, testData);
return(Effects[name]);
}
public ParticleEmitter(GraphicsDevice Device, ComponentManager manager, string name, Matrix localTransform, EmitterData emitterData) :
base(manager, name, localTransform, Vector3.Zero, Vector3.Zero, false)
{
Particles = new List <Particle>();
if (emitterData == null)
{
return;
}
Data = emitterData;
maxParticles = Data.MaxParticles;
Sprites = new List <FixedInstanceArray>();
for (var t = 0; t < Data.Animation.GetFrameCount(); ++t)
{
var primitive = new BillboardPrimitive();
Data.Animation.UpdatePrimitive(primitive, t);
Sprites.Add(new FixedInstanceArray(Name, primitive,
Data.Animation.SpriteSheet.GetTexture(),
Data.MaxParticles, Data.BlendMode));
}
AnimPlayer.Play(Data.Animation);
TriggerTimer = new Timer(Data.EmissionFrequency, Data.ReleaseOnce);
SetFlag(Flag.ShouldSerialize, false);
}
/// <summary>
/// Creates a generic particle effect which is like a "puff" (cloudy particles which float)
/// </summary>
public static EmitterData CreatePuffLike(string name, SpriteSheet sheet, Point frame, BlendState state)
{
Texture2D tex = TextureManager.GetTexture(sheet.AssetName);
EmitterData data = new EmitterData
{
Animation = new Animation(GameState.Game.GraphicsDevice, sheet, name, sheet.FrameWidth, sheet.FrameHeight, new List <Point>()
{
frame
}, true, Color.White, 1.0f, 1.0f, 1.0f, false),
ConstantAccel = new Vector3(0, 3, 0),
LinearDamping = 0.9f,
AngularDamping = 0.99f,
EmissionFrequency = 20.0f,
EmissionRadius = 1.0f,
EmissionSpeed = 2.0f,
GrowthSpeed = -0.6f,
MaxAngle = 3.14159f,
MinAngle = 0.0f,
MaxParticles = 1000,
MaxScale = 1.0f,
MinScale = 0.1f,
MinAngular = -5.0f,
MaxAngular = 5.0f,
ParticleDecay = 0.8f,
ParticlesPerFrame = 0,
ReleaseOnce = true,
Texture = TextureManager.GetTexture(sheet.AssetName),
Blend = state
};
return(data);
}
public ParticleEmitter(ComponentManager manager, string name, GameComponent parent, Matrix localTransform, EmitterData emitterData) :
base(name, parent, localTransform, Vector3.Zero, Vector3.Zero, false)
{
Particles = new List <Particle>();
if (emitterData == null)
{
return;
}
Data = emitterData;
maxParticles = Data.MaxParticles;
Sprites = new FixedInstanceArray(name, Data.Animation.Primitives[0], emitterData.Texture, Data.MaxParticles, Data.Blend);
Data.Animation.Play();
TriggerTimer = new Timer(Data.EmissionFrequency, Data.ReleaseOnce);
}
public EmitterData Clone(SpriteSheet sheet, Point frame)
{
EmitterData toReturn = Clone() as EmitterData;
if (toReturn == null)
{
return(null);
}
if (toReturn.Animation != null)
{
toReturn.Animation = new Animation(GameState.Game.GraphicsDevice,
new SpriteSheet(sheet.AssetName), sheet.AssetName, sheet.FrameWidth, sheet.FrameHeight,
new List <Point>()
{
frame
}, true, Color.White, 1.0f, 1.0f, 1.0f, false);
}
return(toReturn);
}
public static Matrix MatrixFromParticle(EmitterData data, Particle particle)
{
if (!data.FixedRotation)
{
Matrix rot = Matrix.CreateRotationZ(particle.Angle);
Matrix bill = Matrix.CreateBillboard(particle.Position, _camera.Position, _camera.UpVector, null);
Matrix noTransBill = bill;
noTransBill.Translation = Vector3.Zero;
Matrix worldRot = Matrix.CreateScale(particle.Scale) * rot * noTransBill;
worldRot.Translation = bill.Translation;
return(worldRot);
}
else
{
Vector3 up = Math.Abs(Vector3.Dot(particle.Direction, Vector3.Up)) > 0.9 ? Vector3.UnitZ : Vector3.Up;
Matrix toReturn = Matrix.CreateLookAt(Vector3.Zero, particle.Direction, up);
toReturn.Translation = particle.Position;
return(toReturn);
}
}
public ParticleEmitter(ComponentManager manager, string name, Matrix localTransform, EmitterData emitterData)
{
Particles = new List <Particle>();
if (emitterData == null)
{
return;
}
Data = emitterData;
maxParticles = Data.MaxParticles;
Sprites = new List <FixedInstanceArray>();
for (var t = 0; t < Data.Animation.GetFrameCount(); ++t)
{
var primitive = new BillboardPrimitive();
Data.Animation.UpdatePrimitive(primitive, t);
Sprites.Add(new FixedInstanceArray(name, primitive,
Data.Animation.SpriteSheet.AssetName,
Data.MaxParticles, Data.BlendMode));
}
AnimPlayer.Play(Data.Animation);
TriggerTimer = new Timer(Data.EmissionFrequency, Data.ReleaseOnce);
}
public static EmitterData CreateExplosionLike(string name, SpriteSheet sheet, Point frame, BlendState state)
{
Texture2D tex = TextureManager.GetTexture(sheet.AssetName);
EmitterData data = new EmitterData
{
Animation = new Animation(GameState.Game.GraphicsDevice, sheet, name, sheet.FrameWidth, sheet.FrameHeight, new List<Point>() { frame }, true, Color.White, 1.0f, 1.0f, 1.0f, false),
ConstantAccel = new Vector3(0, -10, 0),
LinearDamping = 0.9999f,
AngularDamping = 0.9f,
EmissionFrequency = 50.0f,
EmissionRadius = 1.0f,
EmissionSpeed = 5.0f,
GrowthSpeed = -0.0f,
MaxAngle = 3.14159f,
MinAngle = 0.0f,
MaxParticles = 1000,
MaxScale = 0.2f,
MinScale = 0.1f,
MinAngular = -5.0f,
MaxAngular = 5.0f,
ParticleDecay = 0.5f,
ParticlesPerFrame = 0,
ReleaseOnce = true,
Texture = tex,
CollidesWorld = true,
Sleeps = true,
Damping = 0.1f
};
return data;
}
/// <summary>
/// A library function which creates a "explosion" particle effect (bouncy particles)
/// </summary>
/// <param name="assetName">Particle texture name</param>
/// <param name="name">Name of the effect</param>
/// <returns>A particle emitter which behaves like an explosion.</returns>
public ParticleEffect CreateGenericExplosion(string assetName, string name)
{
List<Point> frm = new List<Point>
{
new Point(0, 0)
};
Texture2D tex = TextureManager.GetTexture(assetName);
EmitterData testData = new EmitterData
{
Animation = new Animation(GameState.Game.GraphicsDevice, new SpriteSheet(assetName), assetName, tex.Width, tex.Height, frm, true, Color.White, 1.0f, 1.0f, 1.0f, false),
ConstantAccel = new Vector3(0, -10, 0),
LinearDamping = 0.9999f,
AngularDamping = 0.9f,
EmissionFrequency = 50.0f,
EmissionRadius = 1.0f,
EmissionSpeed = 5.0f,
GrowthSpeed = -0.0f,
MaxAngle = 3.14159f,
MinAngle = 0.0f,
MaxParticles = 1000,
MaxScale = 0.2f,
MinScale = 0.1f,
MinAngular = -5.0f,
MaxAngular = 5.0f,
ParticleDecay = 0.5f,
ParticlesPerFrame = 0,
ReleaseOnce = true,
Texture = tex,
CollidesWorld = true,
Sleeps = true
};
RegisterEffect(name, testData);
return Effects[name];
}
public ParticleEmitter(ComponentManager manager, string name, GameComponent parent, Matrix localTransform, EmitterData emitterData)
: base(name, parent, localTransform, Vector3.Zero, Vector3.Zero, false)
{
Particles = new List<Particle>();
if(emitterData == null)
{
return;
}
Data = emitterData;
maxParticles = Data.MaxParticles;
Sprites = new FixedInstanceArray(name, Data.Animation.Primitives[0], emitterData.Texture, Data.MaxParticles, Data.Blend);
Data.Animation.Play();
TriggerTimer = new Timer(Data.EmissionFrequency, Data.ReleaseOnce);
}
