/// <summary>
///
/// </summary>
/// <param name="system"></param>
/// <param name="emitter"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="minks">Minimum Spring Constant</param>
/// <param name="maxks">Maximum Spring Constant</param>
/// <param name="minkd">Minimum Dampening Constant</param>
/// <param name="maxkd">Maximum Dampening Constant</param>
/// <param name="minrest">Minimum Rest Length</param>
/// <param name="maxrest">Maximum Rest Length</param>
public Meatball(ParticleSystem system, Emitter emitter, double x, double y,
double minks, double maxks, double minkd, double maxkd, double minrest,
double maxrest, bool anchored)
{
// create thre particles
mParticles[0] = new Particle();
mParticles[0].IsAnchor = anchored; // anchors the first particle if so desired
mParticles[1] = new Particle();
mParticles[2] = new Particle();
// update the particles
Update(emitter, x, y);
// Create the spring between particles 0 and 1
Spring s = new Spring();
s.ThisParticle = mParticles[0];
s.ConnectedParticle = mParticles[1];
s.SpringConstant = ParticleSystem.random.NextDouble(minks, maxks); //1.0, 4.0);
s.DampingConstant = ParticleSystem.random.NextDouble(minkd, maxkd); //0.10, 0.30);
s.RestLength = ParticleSystem.random.NextDouble(minrest, maxrest); //1.0, 6.0);
mParticles[0].Connections.Add(s);
mParticles[1].Connections.Add(s);
//system.Forces.Add(s);
// Create the spring between particles 0 and 2
s = new Spring();
s.ThisParticle = mParticles[0];
s.ConnectedParticle = mParticles[2];
s.SpringConstant = ParticleSystem.random.NextDouble(minks, maxks); //1.0, 4.0);
s.DampingConstant = ParticleSystem.random.NextDouble(minkd, maxkd); //0.10, 0.30);
s.RestLength = ParticleSystem.random.NextDouble(minrest, maxrest); //1.0, 6.0);
mParticles[0].Connections.Add(s);
mParticles[2].Connections.Add(s);
//system.Forces.Add(s);
// Create the spring between particles 1 and 2
s = new Spring();
s.ThisParticle = mParticles[1];
s.ConnectedParticle = mParticles[2];
s.SpringConstant = ParticleSystem.random.NextDouble(minks, maxks); //1.0, 4.0);
s.DampingConstant = ParticleSystem.random.NextDouble(minkd, maxkd); //0.10, 0.30);
s.RestLength = ParticleSystem.random.NextDouble(minrest, maxrest); //1.0, 6.0);
mParticles[1].Connections.Add(s);
mParticles[2].Connections.Add(s);
//system.Forces.Add(s);
// Add the particles to the system
system.Particles.Add(mParticles[0]);
system.Particles.Add(mParticles[1]);
system.Particles.Add(mParticles[2]);
}
/// <summary>
/// Add a particle to the system
/// </summary>
/// <param name="system"></param>
/// <param name="particle"></param>
public override void AddParticle(ParticleSystem system, Particle particle)
{
base.AddParticle(system, particle);
// pick a random X between X1 and X2
// then get the corresponding y
double x = ParticleSystem.random.NextDouble(X1, X2);
particle.Position = new Point(x + ParticleSystem.random.NextDouble(MinPositionOffset, MaxPositionOffset),
LinearEquation(x) + ParticleSystem.random.NextDouble(MinPositionOffset, MaxPositionOffset));
}
/// <summary>
/// Add a particle to the system.
/// </summary>
/// <param name="system"></param>
/// <param name="particle"></param>
public override void AddParticle(ParticleSystem system, Particle particle)
{
base.AddParticle(system, particle);
// overwrite the position based on the emitters X and Y position
particle.Position = new Point(this.X + ParticleSystem.random.NextDouble(MinPositionOffset, MaxPositionOffset),
this.Y + ParticleSystem.random.NextDouble(MinPositionOffset, MaxPositionOffset));
}
/// <summary>
/// Generate the particles by calling AddPartcle for a number of meatbals equal to
/// the MaxParticles divided by three.
/// </summary>
/// <param name="system"></param>
public override void GenerateParticles(ParticleSystem system)
{
//base.GenerateParticles(system);
int totalConnections = MaxParticles;
if (Meatball.NumberOfConnections > 0)
totalConnections = MaxParticles / Meatball.NumberOfConnections;
// Init the particles for the emitter
Particle p = null;
for (int i = 0; i < totalConnections; i++)
{
AddParticle(system, p);
}
}
/// <summary>
/// Create a meatball which adds three particles with springs to the system.
/// </summary>
/// <param name="system"></param>
/// <param name="particle"></param>
public override void AddParticle(ParticleSystem system, Particle particle)
{
//base.AddParticle(system, particle); // ignore the base
double x = ParticleSystem.random.NextDouble(X1, X2);
Meatball meatball = new Meatball(system, this, x, LinearEquation(x),
MinSpringConstant, MaxSpringConstant, MinDampeningConstant, MaxDampeningConstant,
MinRestLength, MaxRestLength, true);
// add each particle to the dictionary and its associated meatball.
foreach (Particle p in meatball.Particles)
{
mMeatballs.Add(p, meatball);
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
this.FireParticleSystem = ((PlayGround.Engine.Controls.ParticleSystem)(target));
return;
case 2:
#line 38 "..\..\SandBox.xaml"
((System.Windows.Controls.Button)(target)).MouseEnter += new System.Windows.Input.MouseEventHandler(this.MyButtonMouseEnter);
#line default
#line hidden
#line 38 "..\..\SandBox.xaml"
((System.Windows.Controls.Button)(target)).MouseLeave += new System.Windows.Input.MouseEventHandler(this.MyButtonMouseLeave);
#line default
#line hidden
return;
case 3:
this.GooParticleSystem = ((PlayGround.Engine.Controls.ParticleSystem)(target));
return;
case 4:
#line 67 "..\..\SandBox.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.MyButtonClicked);
#line default
#line hidden
return;
}
this._contentLoaded = true;
}
/// <summary>
/// Generates the particles for an emitter, called once at creation by the Particle System.
/// </summary>
/// <param name="system"></param>
public virtual void GenerateParticles(ParticleSystem system)
{
// Init the particles for the emitter
for (int i = 0; i < MaxParticles; i++)
{
Particle mParticle = new Particle();
UpdateParticle(mParticle);
this.AddParticle(system, mParticle);
system.Particles.Add(mParticle);
}
}
/// <summary>
/// Method which is used to perform additional processing when adding a particle to the system for the
/// first time.
/// </summary>
/// <param name="system"></param>
/// <param name="particle"></param>
public virtual void AddParticle(ParticleSystem system, Particle particle)
{
}
