/// <summary>
/// Creates a new pixel particle emitter inside a particle system.
/// </summary>
/// <param name="system">The system to add to.</param>
protected ParticleEmitter(ParticleSystem system)
: this()
{
if (system == null)
{
throw new ArgumentNullException("system");
}
system.Add(this, true);
}
protected virtual void initExplosion()
{
_ptclSystem = new ParticleSystem();
_ptclEmitter = new ParticleSurfaceEmitter(_explosionColoredSurfaces == null ? _explosionSurfaces : _explosionColoredSurfaces);
_ptclEmitter.Frequency = 300;
_ptclEmitter.LifeFullMin = 20;
_ptclEmitter.LifeFullMax = 40;
_ptclEmitter.LifeMin = 10;
_ptclEmitter.LifeMax = 30;
_ptclEmitter.DirectionMin = -(float)Math.PI;
_ptclEmitter.DirectionMax = (float)Math.PI;
_ptclEmitter.SpeedMin = 5;
_ptclEmitter.SpeedMax = 6;
_ptclSystem.Add(_ptclEmitter);
_ptclSystem.Manipulators.Add(new ParticleGravity(0.2f)); // Gravity
_ptclSystem.Manipulators.Add(new ParticleFriction(0.3f)); // Slow down _ptclSystem
//_ptclSystem.Manipulators.Add(new ParticleVortex(1f, 200f)); // A particle vortex fixed on the mouse
_ptclSystem.Manipulators.Add(new ParticleBoundary(new Size(Constants.StageViewWidth, Constants.StageViewHeight))); // fix _ptclSystem on screen.
}