Strange artefacts appear on CCSprite

Question

I have a CCLayer class imported onto a game layer strangely all the the sprites have "artefacts" that seem to appear from nowhere since I have checked and re-exported all of the files

Is some setting or something else that could cause this to happen?

I'm new at this but I have checked so far: set to PixelFormat_RGBA8888 PVRImagesHavePremultipliedAlpha:YES png's are clear from artefact (28bit with transparency) Textures are made with texture packer with "pre-multiplied"

The Background is a CCLayer The Mine is a CCLayer both are added to the game layer (cclayer also) as "addChild"

     backgroundManager = [[BackGround alloc] init];
    [self addChild:backgroundManager z:0];

    myShip = [[Ship alloc]init];
    [self addChild:myShip z:5];

enter image description here

hmmm interestingly I have found that the problem may be with the export settings in texture packer since if I just import a single sprite png the transparency works, My texture packer is 3yrs old - so maybe there has been some change in the settings... Im going to experiment and see... — StackBuddy, May 30 '15 at 19:28

score 0 · Accepted Answer · answered May 30 '15 at 20:05

Yes it was the settings in texture packer after a few changes in the settings they now seem to load fine. with no artifacts

use pre multiple trim not crop and give a little more inner padding

hope it helps someone else (since it was driving me a little crazy)

Strange artefacts appear on CCSprite

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