How to figure out which sprite is being touched.

Monday, April 30th, 2012 at 9:11 am

- (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    UITouch *touch = [touches anyObject];
    CGPoint touchPoint = [touch locationInView: [touch view]];
    touchPoint = [[CCDirector sharedDirector] convertToGL: touchPoint];
 
    for (CCSprite *sprite in movableSprites)
    {
         CGPoint nodeSpacePosition = [sprite convertToNodeSpace:touchPoint];
 
        if (CGRectContainsPoint(
                                CGRectMake(0, 0,
                                           [sprite contentSize].width,
                                           [sprite contentSize].height),
                                nodeSpacePosition))
 
        {
            // some event code;
            break;
        }
    }
}

- (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

UITouch *touch = [touches anyObject];

CGPoint touchPoint = [touch locationInView: [touch view]];

touchPoint = [[CCDirector sharedDirector] convertToGL: touchPoint];

for (CCSprite *sprite in movableSprites)

{

CGPoint nodeSpacePosition = [sprite convertToNodeSpace:touchPoint];

if (CGRectContainsPoint(

CGRectMake(0, 0,

[sprite contentSize].width,

[sprite contentSize].height),

nodeSpacePosition))

{

// some event code;

break;

}

Filed under: Cocos2d • iPad • iPhone

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