Aliasing or Blending Issues in cocos2d-x v3.1alpha1

Sheado

hey All,

I'm trying to port my code to the latest cocos2d-x and spine versions. Everything is working fine, but all of my animations have a white silhouette and are aliased.

My code:

    

    SkeletonAnimation* skeletonNode = SkeletonAnimation::createWithFile("rainman.json", "rainman.atlas");
    skeletonNode->setAnimation(0, "evo", true);
    skeletonNode->setPosition(Director::getInstance()->getWinSize().width/2, 0);
     addChilde( skeletonNode );

Here's what it looks like:

I tried adding:

skeletonNode->setBlendFunc(BlendFunc::ALPHA_NON_PREMULTIPLIED);

It looks better now:

But still not as good as things used to look with v2.2.3. Sorry for the busy screencap here, but if you look close and compare the umbrella sticks, it looks much better here.

Did something change in spine or cocos2d-x? Is there anything I need to do? Or should I chalk this up to being an alpha cocos2d-x build?

Thanks!
Chad

Sheado

eq2k

Just had the same problem, was due to fact I needed to now pre-multiply all my textures. for best quality. Just wrote a quick tool to run thru all my spine assets and premultiply all the png's that have not already been pre-multiplied. Saved me a lot of time.

Btw i also noticed the spine runtime with v3.1 rc0 (direct from github at mo) needs updating as various structures in cocos have been renamed + other tweaks. Working towards getting a updated version for Nate to be able to pull.

Nate

Thanks eq2k!

Non-premultiplied can often look good enough, when using Spine's Bleed option, but it isn't quite as good and numerically premultiplied is the right way to do blending. This is why it should be the default. You can change the default though.

Sheado

Thanks guys,

Premultiplying fixed the problem =] I use TexturePacker - its

premultiply-alpha flag did the trick.
Though, I'm still seeing the problem on non-spine Sprites. It seems that cocos2d-x v3.1 removed its programmatic "alpha premultiplier" which explains why the problem exists now, but I don't get why Sprite objects don't look as good Spine objects. Hopefully things will make more sense once cocos2d-x v3.1 is out of alpha.