按照教程:http://www.tairan.com/archives/7327
编写了一个给场景添加触摸的事件,结果下面两句报错
self.layerTouch:setPosition(cc.p(0,0))
self.layerTouch:setContentSize(CCSizeMake(display.width, display.height))
attempt to call global ‘ccp’ (a nil value)
attempt to call global ‘CCSizeMake’ (a nil value)
这是怎么回事呀 求教~