问如何在多个位置动态拥有相同的精灵？

EN

- (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch * touch = [touches anyObject];
    CGPoint pointOne = [touch locationInView:[touch view]];
    CGSize size = [[CCDirector sharedDirector] winSize];
    CGPoint position = turret.position;
    CGFloat degrees = angleBetweenLinesInDegrees(position, pointOne);
    turret.rotation = degrees;
    pointOne.y = size.height-pointOne.y;
    CCSprite *projectile = [CCSprite spriteWithFile:@"projectile.png"];
    projectile.position = turret.position;

    // Determine offset of location to projectile
    int angle = angleBetweenLinesInDegrees(position, pointOne);
    int startAngle = angle-15;

    int shots = 3;

    NSMutableArray *projectiles = [[NSMutableArray alloc] initWithCapacity:shots];

    // Ok to add now - we've double checked position
    for(int i = 0;i<shots;i++) {
        [self addChild:projectile z:1];

        int angleToShoot = angle;

        int x = size.width;
        int y = x*tan(angle);

        CGPoint realDest = ccp(x,y);

        projectile.tag = 2;
        if (paused==0 ) {
            [_projectiles addObject:projectile];
            // Move projectile to actual endpoint
            [projectile runAction:
             [CCSequence actions:
              [CCMoveTo actionWithDuration:1 position:realDest],
              [CCCallBlockN actionWithBlock:^(CCNode *node) {
                 [_projectiles removeObject:node];
                 [node removeFromParentAndCleanup:YES];
             }],
              nil]];
        }
    }
}