Category Archives: iPhone

How to remove unwanted frames from memory in iPhone?

By | February 13, 2011

In Cocos2D in iPhone often you may be using spritesheets which amy cause memory leaks because they are unused textures in memory even when you go from one scene to other. So make sure to remove all those unwanted textures from memory to save memory. Copy this following code to dealloc function in your class which will remove… Read More »

How to Implement Box2D in Adobe AIR?

By | February 4, 2011

Everyone will be fascinated how flash games are built on the web that implements the real world physics. Well for your information there are a lot of physics engines available. One of them is the Box2D. Box2D was written in C++. Then it was converted to flash. So now I am going to show you how to build… Read More »

How to shoot a bullet in the direction of touch in Box2D iphone?

By | January 30, 2011

write the below code in “ccTouchesBegan” function and you are done. Here the ballBody represents the bullet body. You can increase the power variable to increase bullet speed.

How to rotate a body manually in Box2D?

By | January 24, 2011

The below code helps you to rotate a body in Box2D manually. Here the body is named “rotating_body” which is going to rotate and a sprite named “rot_sprite” is it’s userData, please give your own image for it. Make sure that you have it in your resources otherwise your program will crash. Note: call this function in a… Read More »

Working with files in Objective C

By | December 22, 2010

Basic file operations Assumes the existence of a file called “testfile” in the current working directory #import #import #import #import #import int main (int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; NSString *fName = @”testfile”; NSFileManager *fm; NSDictionary *attr; // Need to create an instance of the file manager fm = [NSFileManager defaultManager]; //… Read More »