public ParticleSystem(Game game, ParticleSettings settings, Texture2D texture, Effect effect, ICamera camera)
: base(game)
{
this.settings = settings;
this.particleEffect = effect;
this.camera = camera;
rand = new Random(settings.Seed);
EffectParameterCollection parameters = particleEffect.Parameters;
effectViewParameter = parameters["View"];
effectProjectionParameter = parameters["Projection"];
effectViewportScaleParameter = parameters["ViewportScale"];
effectTimeParameter = parameters["CurrentTime"];
parameters["Duration"].SetValue((float)settings.Duration.TotalSeconds);
parameters["DurationRandomness"].SetValue(settings.DurationRandomness);
parameters["Gravity"].SetValue(settings.Gravity);
parameters["EndVelocity"].SetValue(settings.EndVelocity);
parameters["MinColor"].SetValue(settings.MinColor.ToVector4());
parameters["MaxColor"].SetValue(settings.MaxColor.ToVector4());
parameters["RotateSpeed"].SetValue(new Vector2(settings.MinRotateSpeed, settings.MaxRotateSpeed));
parameters["StartSize"].SetValue(new Vector2(settings.MinStartSize, settings.MaxStartSize));
parameters["EndSize"].SetValue(new Vector2(settings.MinEndSize, settings.MaxEndSize));
parameters["Texture"].SetValue(texture);
particles = new ParticleVertex[settings.MaxParticles * 4];
for (int i = 0; i < settings.MaxParticles; i++)
{
particles[i * 4 + 0].Corner = new Vector2(-1, -1);
particles[i * 4 + 1].Corner = new Vector2(1, -1);
particles[i * 4 + 2].Corner = new Vector2(1, 1);
particles[i * 4 + 3].Corner = new Vector2(-1, 1);
}
// Create a dynamic vertex buffer.
vertexBuffer = new DynamicVertexBuffer(GraphicsDevice, ParticleVertex.VertexDeclaration,
settings.MaxParticles * 4, BufferUsage.WriteOnly);
ushort[] indices = new ushort[settings.MaxParticles * 6];
for (int i = 0; i < settings.MaxParticles; i++)
{
indices[i * 6 + 0] = (ushort)(i * 4 + 0);
indices[i * 6 + 1] = (ushort)(i * 4 + 1);
indices[i * 6 + 2] = (ushort)(i * 4 + 2);
indices[i * 6 + 3] = (ushort)(i * 4 + 0);
indices[i * 6 + 4] = (ushort)(i * 4 + 2);
indices[i * 6 + 5] = (ushort)(i * 4 + 3);
}
indexBuffer = new IndexBuffer(GraphicsDevice, typeof(ushort), indices.Length, BufferUsage.WriteOnly);
indexBuffer.SetData(indices);
}
public Thruster(Ship parent, Vector3 pos, Vector3 dir)
: base(parent.Game)
{
if (pSys == null)
{
var pSet = new ParticleSettings()
{
BlendState = BlendState.NonPremultiplied,
MaxParticles = 150,
Duration = TimeSpan.FromSeconds(0.5),
DurationRandomness = 0.1f,
EmitterVelocitySensitivity = 0,
MinVelocity = 1f,
MaxVelocity = 2f,
Gravity = Vector3.Zero,
EndVelocity = 0,
MinColor = Color.White,
MaxColor = Color.White,
MinRotateSpeed = -0.1f,
MaxRotateSpeed = 0.1f,
MinStartSize = 0.25f,
MaxStartSize = 0.35f,
MinEndSize = 0.5f,
MaxEndSize = 0.6f
};
var pTex = new Texture2D(GraphicsDevice, 5, 5);
pTex.SetData(Enumerable.Repeat(Color.FromNonPremultiplied(0, 0, 255, 125), 25).ToArray());
var pEff = Game.Content.Load<Effect>("Shaders/Particles");
pSys = new ParticleSystem(Game, pSet, pTex, pEff, parent.Camera);
Game.Components.Add(pSys);
}
this.parent = parent;
this.pos = pos;
this.Direction = dir;
this.obj = new Primitive(GraphicsDevice, 0.1f, Primitives.Sphere) { Position = pos };
parent.Mesh.PrimitiveObjects.Add(this.obj);
emitter = new ParticleEmitter(pSys) { Position = parent.Position + pos, Direction = dir, ParticlesPerSecond = 3 };
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
SpriteBatchHelpers.Initialize(this.GraphicsDevice);
Billboard.Initialize(this.GraphicsDevice, Content.Load<Effect>("Shaders/Billboarding"));
#region Particles
pSet = new ParticleSettings()
{
BlendState = BlendState.Additive
, MaxParticles = 100
, Duration = TimeSpan.FromSeconds(1)
, DurationRandomness = 1
, EmitterVelocitySensitivity = 1
, MinXVelocity = -0.2f
, MaxXVelocity = 0.2f
, MinYVelocity = -0.2f
, MaxYVelocity = 0.2f
, Gravity = Vector3.Zero
, EndVelocity = 0
, MinColor = Color.White
, MaxColor = Color.White
, MinRotateSpeed = -0.1f
, MaxRotateSpeed = 0.1f
, MinStartSize = 0.2f
, MaxStartSize = 0.3f
, MinEndSize = 1
, MaxEndSize = 2
};
var pTex = new Texture2D(GraphicsDevice, 5, 5);
pTex.SetData(Enumerable.Repeat(Color.FromNonPremultiplied(0, 0, 255, 125), 25).ToArray());
var pEff = Content.Load<Effect>("Shaders/Particles");
pSys = new ParticleSystem(this, pSet, pTex, pEff, camera);
pEmi = new ParticleEmitter(pSys) { Position = Vector3.Zero, ParticlesPerSecond = 10 };
pEmi = new ParticleEmitter(pSys) { Position = Vector3.UnitX, ParticlesPerSecond = 10 };
pEmi = new ParticleEmitter(pSys) { Position = Vector3.UnitY, ParticlesPerSecond = 10 };
pEmi = new ParticleEmitter(pSys) { Position = new Vector3(Vector2.One, 0), ParticlesPerSecond = 10 };
#endregion
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
this.Services.AddService(typeof(SpriteBatch), spriteBatch);
DiagnosticsManager.Initialize(this);
SpriteBatchHelpers.Initialize(GraphicsDevice);
Primitives.Initialize(GraphicsDevice);
Billboard.Initialize(GraphicsDevice, Content.Load<Effect>("Shaders/Billboarding"));
// TODO: use this.Content to load your game content here
CreateSpheres();
ship = new Ship(this);
followCam = new FollowCamera(camera, ship);
lightningTexture = new LightningTexture(GraphicsDevice, 50, 100);
#region Particles
pSet = new ParticleSettings()
{
BlendState = BlendState.Additive,
MaxParticles = 10,
Duration = TimeSpan.FromSeconds(0.5),
DurationRandomness = 0.1f,
EmitterVelocitySensitivity = 0,
MinVelocity = 1f,
MaxVelocity = 2f,
Gravity = Vector3.Zero,
EndVelocity = 0,
MinColor = Color.White,
MaxColor = Color.White,
MinRotateSpeed = -0.1f,
MaxRotateSpeed = 0.1f,
MinStartSize = 0.25f,
MaxStartSize = 0.35f,
MinEndSize = 0.5f,
MaxEndSize = 0.6f
};
var pTex = new Texture2D(GraphicsDevice, 5, 5);
pTex.SetData(Enumerable.Repeat(Color.FromNonPremultiplied(0, 0, 255, 125), 25).ToArray());
var pEff = Content.Load<Effect>("Shaders/Particles");
pSys = new ParticleSystem(this, pSet, pTex, pEff, camera);
pEmi = new ParticleEmitter(pSys) { Position = Vector3.UnitX, ParticlesPerSecond = 10 };
pEmi2 = new ParticleEmitter(pSys) { Position = -Vector3.UnitX, ParticlesPerSecond = 10 };
//pEmi = new ParticleEmitter(pSys) { Position = Vector3.UnitY, ParticlesPerSecond = 10 };
//pEmi = new ParticleEmitter(pSys) { Position = new Vector3(Vector2.One, 0), ParticlesPerSecond = 10 };
#endregion
base.LoadContent();
}
