krzysztofzablocki/smooth-drawing — pull request #20 by mbustamanteo (2013-10-08 21:42:16+00:00)
Title: Update to cocos2d

Hi,
i used this library in another project, and while updating to cocos2d 2.1 i experienced some problems. You suggested changing to additive blending, so that is what i think i did. Check commit e801839b57b5e971ce7a9980c3a9bbe3130fd792