CCParticleAnimation.m

//
//  CCParticleSystemAnimation.m
//  TapZoo
//
//  Created by alan fineberg on 4/20/11.
//  Copyright 2011 Streetview Labs. All rights reserved.
//
#import "CCParticleSystemAnimation.h"

@implementation CCParticleSystemAnimation

-(void) dealloc
{
	[animation_ release];
	[super dealloc];
}

-(void) setAnimation:(CCAnimation *)animation {
    animation_ = animation;
    [animation_ retain];
}

-(void) update: (ccTime) dt
{
    if ( active && emissionRate ) {
       	NSArray *frames = [animation_ frames];
        NSUInteger numberOfFrames = [frames count];
        
        NSUInteger idx = dt * numberOfFrames;
        
        if( idx >= numberOfFrames )
            idx = numberOfFrames -1;
        
        [self setDisplayFrame: [frames objectAtIndex:idx]];
    }
    [super update:dt];
}
@end