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Fix issue #108 #109

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Fix issue #108 #109

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40d6130
Update Extensions/CCLayerPanZoom/CCLayerPanZoom.h
Apr 28, 2012
ea37911
Fixes #108
Apr 28, 2012
06713fd
Update Extensions/CCLayerPanZoom/CCLayerPanZoom.h
Apr 28, 2012
256639c
Update Extensions/CCLayerPanZoom/CCLayerPanZoom.m
Apr 28, 2012
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9 changes: 8 additions & 1 deletion Extensions/CCLayerPanZoom/CCLayerPanZoom.m
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Original file line number Diff line number Diff line change
Expand Up @@ -219,7 +219,7 @@ - (id) init

- (void) ccTouchesBegan: (NSSet *) touches
withEvent: (UIEvent *) event
{
{
for (UITouch *touch in [touches allObjects])
{
// Add new touche to the array with current touches
Expand All @@ -238,6 +238,13 @@ - (void) ccTouchesBegan: (NSSet *) touches
- (void) ccTouchesMoved: (NSSet *) touches
withEvent: (UIEvent *) event
{
// Fixes issue #108:
// ccTouchesMoved should never be called if ccTouchesBegan is not called first.
// However, when the scene is transitioning in, ccTouchesBegan is not called,
// causing self.touches to be empty, thus crashing the app due to an attempt
// to access an empty array.
if ([self.touches count] == 0) return;

BOOL multitouch = [self.touches count] > 1;
if (multitouch)
{
Expand Down