CAEmitterCell

 
      -( 
      void 
      )awakeFromNib 
     
{ 
     
 
        
      CAEmitterLayer* fireEmitter = (CAEmitterLayer*) 
      self 
      .layer; ; 
     
     
      fireEmitter.emitterPosition =  
      CGPointMake 
      ( 
      .bounds.size.width/ 
      2 
      , 
      .bounds.size.height); 
     
fireEmitter.emitterMode =   kCAEmitterLayerOutline; 
     
fireEmitter.emitterShape = kCAEmitterLayerLine; 
     

         
     
fireEmitter.emitterSize =  
      CGSizeMake 
      5 
      ); 
     

         
     
     
      float 
      gas= 
      .7 
      ; 
     
     
      // Create the fire emitter cell 
     
CAEmitterCell *fire = [CAEmitterCell emitterCell]; 
     
fire.emissionLongitude =  
      M_PI 
      ; 
     
fire.emissionLatitude = - 
      / 
      ; 
     
fire.BirthRate =  
      0 
      ; 
      //100*gas; 
     
fire.lifetime=gas; 
     
fire.lifetimeRange=gas* 
      0 
      .35 
      ; 
     
fire.VeLocity =  
      80 
      ; 
     
fire.VeLocityRange =  
      21 
      ; 
     
fire.EmissionRange =  
      1 
      .1 
      f; 
     
fire.yacceleration = - 
      200 
      ; 
     
fire.ScaleSpeed =  
      .3 
      f; 
     
fire.color=[[ 
      UIColor 
      colorWithRed: 
      .8 
      green: 
      .4 
      blue: 
      .2 
      alpha: 
      ] 
      CGColor 
      ]; 
     
fire.contents = ( 
      id 
      )[[ 
      UIImage 
      imageNamed: 
      @"fire.png" 
      CGImage 
      ]; 
     
[fire setName: 
      @"fire" 
      ]; 
     

         
     
CAEmitterCell *smoke = [CAEmitterCell emitterCell]; 
     
smoke.BirthRate =  
      //11; 
     
smoke.emissionLongitude = - 
      ; 
     
smoke.emissionLatitude=- 
      ; 
     
smoke.lifetime = gas* 
      4 
      ; 
     
smoke.VeLocity =  
      40 
      ; 
     
smoke.VeLocityRange =  
      20 
      ; 
     
smoke.emissionRange =  
      /  
      ; 
     
smoke.Spin =  
      1 
      ; 
     
smoke.SpinRange =  
      6 
      ; 
     
smoke.yacceleration = - 
      160 
      ; 
     
smoke.Scale =  
      f; 
     
smoke.AlphaSpeed = - 
      .22 
      f; 
     
smoke.ScaleSpeed =  
      f; 
     
smoke.color=[[ 
      *gas] 
      ]; 
     

         
     
smoke.contents = ( 
      @"smoke.png" 
      ]; 
     
[smoke setName: 
      @"smoke" 
      ]; 
     

         
     
fireEmitter.emitterCells = [ 
      NSArray 
      arrayWithObjects:smoke,fire,157)!important">nil 
      ]; 
     
} 
     

 
     
You can download Hanukkah Menorah on the app store Now for FREE. It supports both the iPad and iPhone. It also has some in-app-Purchases to change from the default menorah.  
     
CAEmitterCell

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