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 »

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Detect when the ANDROID Screen Goes Off ?

By | January 18, 2011

This is the main Java file that extends activity. Create a file named ScreenON_OFF_ACTIVITY.java and place the below code in it. This is the class that extends the Broadcast receiver class that receives the notifications. create a java file and name it ScreenReceiver.java and place the following code in it. This the class that updates the service name… Read More »

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How to read and write an XML file in Adobe AIR or Flex?

By | January 15, 2011

AIR treats the XML files as just as normal file and so you can proceed using the FileStream classs. Please take a look at the sample code. Just copy and paste the following code to your main.MXML file and you are done. Please post your comments on this post

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Add Context menu in Adobe AIR or FLEX.

By | January 15, 2011

This sample shows how to add a menu to your context menu or the right click of your menu in Adobe AIR. AIR Uses the ContextMenu class to add menu to your mouse right click. import flash.events.ContextMenuEvent; import mx.controls.Alert; // call this function to create context menu in AIR and FLex private function createContextMenu():void { var myContextMenu:ContextMenu =… Read More »

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How to Skin your Alert or ToolTip in Adobe Flex using actionScript?

By | December 26, 2010

The code below does this . Simply copy and paste the following code.. applicationComplete=”init()”> Alert { color : #124332; background-color: #ffffff; header-colors : #243322, #243322; header-height:19; drop-shadow-enabled: true; drop-shadow-color :#243322; corner-radius :10; border-style :solid; border-thickness: 1; border-color : #243322; footer-colors : #243322, #ffffff; title-style-name : “title”; } .myalertstyle { backgroundAlpha: 0.3; backgroundColor: black; borderAlpha: 0.3; borderColor: white; dropShadowEnabled:… Read More »

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How to add infinite backgrounds in Cocos2D, iphone?

By | December 24, 2010

You often may need scrolling backgrounds in your game or any other application. The following code helps you to add continuous backgrounds. Each sprite is added to the right of the current sprite which make them continuos. //Add more stripes, flip them, and position them next to their neighbour stripe. for (int i = 0; i < numStripes;… Read More »

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How to dynamically change image in a sprite in cocos2D iphone?

By | December 24, 2010

//Dynamically change the sprite image…… //my_sprite is a CCSprite already initialized with spriteWithFile. [[CCTextureCache sharedTextureCache] removeTexture:[self.my_sprite texture]; CCTexture2D *tex = [[CCTextureCache sharedTextureCache] addImage:@”new_image.jpg”]; [my_sprite setTexture:tex];

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How to use CCRibbon in Cocos2D in iphone?

By | December 23, 2010

The CCRibbon class, together with touch input, can be used to create the line-drawing effects of popular games. Note: you can’t remove individual points from a CCRibbon. You can only remove the whole CCRibbon by removing it as child from its parent.

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How to use CCBitmapFontAtlas in iPhone cocos2D?

By | December 23, 2010

CCBitmapFontAtlas faster than CCLabel. Labels that update fast at the expense of more memory usage, like any other CCSprite,is the specialty of the CCBitmapFontAtlas class //Usage… CCBitmapFontAtlas scoreLabel = [CCBitmapFontAtlas bitmapFontAtlasWithString:@”0″ fntFile:@”bitmapfont.fnt”];

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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 »

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How to use picker in iphone, A simple example.

By | December 20, 2010

#import “ViewController.h” @implementation ViewController @synthesize mlabel; – (void)viewDidLoad { [super viewDidLoad]; arrayNo = [[NSMutableArray alloc] init]; [arrayNo addObject:@” Hello “]; [arrayNo addObject:@” Hai “]; [arrayNo addObject:@” Picker “]; [arrayNo addObject:@” Simple “]; [arrayNo addObject:@” example “]; [pickerView selectRow:1 inComponent:0 animated:NO]; mlabel.text= [arrayNo objectAtIndex:[pickerView selectedRowInComponent:0]]; } – (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView; { return 1; } – (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {… Read More »

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Minimise all windows Shortcut in Windows.

By | December 19, 2010

Hold the windows key and press M. This will minimise all windows in one key press! This is the same as pressing the ‘Show Desktop’ icon but without having to click on it. It should be noted that Windows key + D also works for this!

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PC Optimization – Clearing Temp files from your PC

By | December 19, 2010

The temp folder found in C:WindowsTemp often contains files that have no reason to exist any longer. You can use the ‘Disk Cleanup Wizard’ that comes with windows to sort out your temp folder by clicking on the Start menu -> Programs -> Accessories -> System Tools -> Disk Cleanup. Select the drive you wish to clean (usually… Read More »

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Reset Windows XP password

By | December 19, 2010

— First thing you need to do is to start command prompt or CMD. There is two ways: Press F8 when Windows XP start up (before windows xp logo – progress bar for loading) and choose “Save Mode Command prompt” option If you are logged in: click on start -> Run, type “cmd” and press ENTER. — In… Read More »

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