cocos2d/cocos2d-iphone — pull request #144 by carter-tinyco (2012-01-26 04:10:19+00:00)
Title: fix setColor with opacityModifyRGB == YES

Since opacity_ is type GLubyte, "opacity\_/255" will always be either 0 or 1. I imagine that's not the intent, and it seems to work quite well as "opacity\_/255.0".