我總是看到這樣的一句話:'ccp'在Cocos2d/Objective-C中代表什麼?
//Example one
CGPoint backgroundScrollVel = ccp(-1000, 0);
//Another Example
// 3) Determine relative movement speeds for space dust and background
CGPoint dustSpeed = ccp(0.1, 0.1);
CGPoint bgSpeed = ccp(0.05, 0.05);
那麼,是什麼中共意味着什麼?它是CCParallax的財產嗎?