¡@
2014/10/15 ¤U¤È 10:04:31
iphone Programming Glossary: ballWhat is the best way to make a bouncing ball animation with infinite loop on iPhone? http://stackoverflow.com/questions/1052878/what-is-the-best-way-to-make-a-bouncing-ball-animation-with-infinite-loop-on-iph is the best way to make a bouncing ball animation with infinite loop on iPhone I am developing an iPhone game in which birds bounce like in this game http www.students.uni.. I learnt about doing it like this from here. http icodeblog. com 2008 10 28 iphone programming tutorial animating a ball using an nstimer But the issue is the birds slow down as soon as another timer for moving my ship the same way fires and..
Core Animation or OpenGL for simple iPhone game http://stackoverflow.com/questions/1231202/core-animation-or-opengl-for-simple-iphone-game Animation or OpenGL for simple iPhone game I am writing a simple game that animates a ball image quickly across a background image. Would Core Animation Quartz be sufficient for this scenario I don't really want..
http://stackoverflow.com/questions/14659563/to-drawrect-or-not-to-drawrect-when-should-one-use-drawrect-core-graphics-vs-su its work be done on the CPU as opposed to a lot of UIKit work that is offloaded to the GPU. If you had to animate a ball moving across the screen it would be a terrible idea to call setNeedsDisplay on a view 60 times per second. So if you have..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer All of the below code is into the accelerometer didAccelerate delegate of my controller. I am trying to make a ball moving according to the position i found. Here is my code NSTimeInterval interval 0 NSDate now NSDate date if previousDate.. going into positive or negative values according to the movements I make. But when I try to apply that position to my ball view I can see it is moving but with a propencity to go more in one direction than the other. This means for example if.. to go more in one direction than the other. This means for example if I draw circles with my device i will see the ball describing curves towards the top left corner of the screen. Something like that http img685.imageshack.us i capturedcran20100422133.png..
If you could buy two books on iOS development, which ones would you choose? [closed] http://stackoverflow.com/questions/3196419/if-you-could-buy-two-books-on-ios-development-which-ones-would-you-choose
Is it a problem when an iAd may be obscured? http://stackoverflow.com/questions/4160010/is-it-a-problem-when-an-iad-may-be-obscured to step 3 or b bannerView didFailToReceiveAdWithError the AdBannerView will try again on its own At that point the ball is in your court as to what to do with said bannerView if in fact it did load an ad. An easy way to check for this in code..
How do I detect a touch on a UIBezierPath and move a ball along that? http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that do I detect a touch on a UIBezierPath and move a ball along that How do I move a ball along a specific UiBezierPath Is that possible I've tried everything including doing a.. do I detect a touch on a UIBezierPath and move a ball along that How do I move a ball along a specific UiBezierPath Is that possible I've tried everything including doing a hit test using BOOL containsPoint..
iphone - core motion range of yaw, pitch and roll http://stackoverflow.com/questions/5004548/iphone-core-motion-range-of-yaw-pitch-and-roll iphone core motion share improve this question This is not a full answer but in the interest of starting the ball rolling I'm assuming you are talking about the device attitude rather than the raw gyro data. Anecdotally I have an ipod..
Is it good practice to use AppDelegate for data manipulation and Handling? http://stackoverflow.com/questions/5155437/is-it-good-practice-to-use-appdelegate-for-data-manipulation-and-handling uiapplicationdelegate share improve this question It's not a good strategy to turn your AppDelegate into a big ball of mud that contains a million methods and properties although it might be tempting . A better and more object oriented..
problem with collision of two images http://stackoverflow.com/questions/5926355/problem-with-collision-of-two-images improve this question I have a bit of sophomoric experience with this having written http itunes.apple.com us app balls id372269039 mt 8 . If you check that app out you will see a bit of the same problem. This topic is a pretty deep rabbit.. it's not too bad. With my app I found it quite difficult to get the physics to look realistic. THe problem became that ball A and B overlap so you back them up then they now intersect other balls etc etc. This link is a good starting point but.. to look realistic. THe problem became that ball A and B overlap so you back them up then they now intersect other balls etc etc. This link is a good starting point but there are quite a few examples of code out there that almost work. share..
How to draw a custom UIView that is just a circle - iPhone app http://stackoverflow.com/questions/6589265/how-to-draw-a-custom-uiview-that-is-just-a-circle-iphone-app custom UIView that is just a circle iPhone app How would I go about drawing a custom UIView that is literally just a ball a 2D circle Would I just override the drawRect method And can someone show me the code for drawing a blue circle Also would.. of that view within the class itself Or do I need to change the frame from a different class just trying to set up a ball bouncing around iphone ios ipad uiview share improve this question You could use QuartzCore and do something this self.circleView..
iOS 5 : -viewWillAppear is not called after dismissing the modal in iPad http://stackoverflow.com/questions/7802673/ios-5-viewwillappear-is-not-called-after-dismissing-the-modal-in-ipad error it as I'm in the zone coding. If it works the way I like I move on. Then iOS 5 comes in and throws a wrecking ball into everything. I have also experienced when a UINavigationController's view is a subview and a ViewController is pushed..
Simple gun in cocos2d+box2d game http://stackoverflow.com/questions/9164146/simple-gun-in-cocos2dbox2d-game gun in cocos2d box2d game I'm newbie in box2d. Can you help me I want to make gun touch move stopped ball flew . I make detection and rotation of gun but I can't make popping of ball. How can I count velocity which I need to set.. me I want to make gun touch move stopped ball flew . I make detection and rotation of gun but I can't make popping of ball. How can I count velocity which I need to set to the ball Thank you very much iphone ios cocos2d box2d box2d iphone share.. detection and rotation of gun but I can't make popping of ball. How can I count velocity which I need to set to the ball Thank you very much iphone ios cocos2d box2d box2d iphone share improve this question The easiest way is to look at..
|
