程序代码：

//
//  GoodsSprite.m

//  Copyright 2012年 __MyCompanyName__. All rights reserved.
//

#import "GoodsSprite.h"


@implementation GoodsSprite
-(id)init
{
    if(self=[super init])
    {
        GoodsArray=[[CCArray alloc]initWithCapacity:40];
        CCSprite *weapon=[CCSprite spriteWithFile:@"weapon.png"];
        weapon.scale=0.46f;
        [GoodsArray addObject:weapon];
        CCSprite *clothes=[CCSprite spriteWithFile:@"clothes.png"];
        clothes.scale=0.46f;
        [GoodsArray addObject:clothes];
        CGSize size = [[CCDirector sharedDirector] winSize];
        float x=205,y=size.height-70;
        for(int i=0;i<2;i++)
        {
            x+=50;
            CCSprite *temp=[CCSprite node];
            temp=[GoodsArray objectAtIndex:i];
            temp.position=ccp(x, y);
            [self addChild:temp z:0 tag:101+i];
            
        }
        
    }
    return self;
}
+(id)GoodsSpriteWithRect:(CGRect)rect spriteManager:(CCSprite *)manager
{
    id rtn = [[[self alloc] initWithTexture:manager.texture rect:rect] autorelease];
    
    return rtn;
}
-(BOOL)ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event
{
    if(![self containsTouchLocation:touch])
    {
        return NO;
    }
    return YES;
}
-(void)ccTouchMoved:(UITouch *)touch withEvent:(UIEvent *)event
{
    CGPoint touchPoint = [touch locationInView:[touch view]];  
    touchPoint = [[CCDirector sharedDirector] convertToUI:CGPointMake(touchPoint.x, touchPoint.y)];  
    self.position = CGPointMake(touchPoint.x, touchPoint.y); 
}
-(void)ccTouchEnded:(UITouch *)touch withEvent:(UIEvent *)event
{
    
}
-(void)onEnter
{
    [[CCTouchDispatcher sharedDispatcher]addTargetedDelegate:self priority:0 swallowsTouches:YES];
    [super onEnter];
}
-(void)onExit
{
    [[CCTouchDispatcher sharedDispatcher]addTargetedDelegate:self priority:0 swallowsTouches:YES];
    [super onExit];
}
-(CGRect)rect
{
    return CGRectMake(-rect_.size.width / 2, -rect_.size.height / 2, rect_.size.width, rect_.size.height);
}
-(BOOL)containsTouchLocation:(UITouch *)touch
{
    
    return CGRectContainsPoint(self.rect, [self convertTouchToNodeSpaceAR:touch]);
}
-(void)dealloc
{
    [super dealloc];
}
@end