cocos2dx之 渐变层

--渐变颜色区域
local startColor  = param and param.startColor or cc.c4b(255, 255, 255, 255)
local endColor    = param and param.endColor or cc.c4b(255, 0, 0, 255)
--渐变层
local layer = cc.LayerGradient:create(startColor, endColor)
self:addChild(layer)