public override void OnEnter()
{
base.OnEnter();
Color = new CCColor3B(0, 0, 0);
RemoveChild(m_background, true);
m_background = null;
m_emitter = new CCParticleSystemQuad();
m_emitter.InitWithTotalParticles(100);
AddChild(m_emitter, 10);
m_emitter.Texture = CCTextureCache.SharedTextureCache.AddImage("Images/fire");
// duration
m_emitter.Duration = CCParticleSystem.kCCParticleDurationInfinity;
// radius mode
m_emitter.EmitterMode = CCEmitterMode.kCCParticleModeRadius;
// radius mode: start and end radius in pixels
m_emitter.StartRadius = (50);
m_emitter.StartRadiusVar = (0);
m_emitter.EndRadius = (CCParticleSystem.kCCParticleStartRadiusEqualToEndRadius);
m_emitter.EndRadiusVar = (0);
// radius mode: degrees per second
m_emitter.RotatePerSecond = (0);
m_emitter.RotatePerSecondVar = (0);
// angle
m_emitter.Angle = 90;
m_emitter.AngleVar = 0;
// emitter position
CCSize size = CCDirector.SharedDirector.WinSize;
m_emitter.Position = new CCPoint(size.Width / 2, size.Height / 2);
m_emitter.PosVar = new CCPoint(0, 0);
// life of particles
m_emitter.Life = 5;
m_emitter.LifeVar = 0;
// spin of particles
m_emitter.StartSpin = 0;
m_emitter.StartSpinVar = 0;
m_emitter.EndSpin = 0;
m_emitter.EndSpinVar = 0;
// color of particles
var startColor = new CCColor4F(0.5f, 0.5f, 0.5f, 1.0f);
m_emitter.StartColor = startColor;
var startColorVar = new CCColor4F(0.5f, 0.5f, 0.5f, 1.0f);
m_emitter.StartColorVar = startColorVar;
var endColor = new CCColor4F(0.1f, 0.1f, 0.1f, 0.2f);
m_emitter.EndColor = endColor;
var endColorVar = new CCColor4F(0.1f, 0.1f, 0.1f, 0.2f);
m_emitter.EndColorVar = endColorVar;
// size, in pixels
m_emitter.StartSize = 16;
m_emitter.StartSizeVar = 0;
m_emitter.EndSize = CCParticleSystem.kCCParticleStartSizeEqualToEndSize;
// emits per second
m_emitter.EmissionRate = m_emitter.TotalParticles / m_emitter.Life;
// additive
m_emitter.BlendAdditive = false;
CCRotateBy rot = new CCRotateBy (16, 360);
m_emitter.RunAction(new CCRepeatForever (rot));
}