cocos2d for iPhone

A fast, easy to use, free, and community supported 2D game engine

1. 

   alexiob
   Member

   Hi,

   I've defined the following MenuItem subclass:

   @interface Button : MenuItem <CocosNodeRGBA> {
   Sprite *image;
   ............
   }
   @end

   @implementation Button

   -(id) initWithFile:(NSString*)filename target:(id)rec selector:(SEL)s
   {
   self = [super initWithTarget:rec selector:s];

   if (self) {
   image = [[Sprite spriteWithFile:filename] retain];
   .........
   }
   @end

   When I initialize a Button I pass a path to a 24bit PNG file.
   I than use the Button's image method

   [image setRGB:rr :gg :bb];

   to set the sprite's tint.
   It works on the simulator, but not on the device (no tint is applied at all).

   Any suggestion? Thank you very much in advance.

   Alessandro

   Posted 2 years ago #
2. 

   psionic
   Member

   what version of cocos2d are you using?

   you'll need to set the blending function up properly.

   Chris.

   On Tue, Jun 23, 2009 at 3:23 AM, <cocos2d-iphone-discuss@gamesforfood.cl> wrote:
   > alexiob says:
   >
   > Hi,
   >
   > I've defined the following MenuItem subclass:
   >
   > @interface Button : MenuItem <CocosNodeRGBA> {
   > Sprite *image;
   > ............
   > }
   > @end
   >
   > @implementation Button
   >
   > -(id) initWithFile:(NSString*)filename target:(id)rec selector:(SEL)s
   > {
   > self = [super initWithTarget:rec selector:s];
   >
   > if (self) {
   > image = [[Sprite spriteWithFile:filename] retain];
   > .........
   > }
   > @end
   >
   > When I initialize a Button I pass a path to a 24bit PNG file.
   > I than use the Button's image method
   >
   > [image setRGB:rr :gg :bb];
   >
   > to set the sprite's tint.
   > It works on the simulator, but not on the device (no tint is applied at
   > all).
   >
   > Any suggestion? Thank you very much in advance.
   >
   > Alessandro
   >
   > Read the whole thread.

   Posted 2 years ago #
3. 

   alexiob
   Member

   @psionic, I'm using version 0.8. Please, can you tell me how to set the blending options?
   Thank you very much.

   Posted 2 years ago #
4. 

   GameBit
   Member

   are you changing opacity? try adding
   [object setOpacityModifyRGB: NO];

   Posted 2 years ago #
5. 

   alexiob
   Member

   @GameBit, thank you very much, it worked.

   Posted 2 years ago #

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