Study Notes for cocos2d to cocos2d-x (2)

Key points:

• About random functions: srand and Rand are C standard library functions. For each platform, you can obtain a random number in milliseconds.

Vophone: srand (timgetticks ());

IOS: arc4random (); this can be used directly

Others: srand (unsigned) Time (null ));

• Boolean:

Object-C-> C ++

Yes-> true

No-> false

• Callback function:

Object-C: selector: @ selector (spritemovefinished)

SCHEDULE: @ selector (gamelogic)

C ++: schedule_selector (_ selector) function _ selector has only one parameter type, which is cctime.

Callfunc_selector (_ selector) function _ selector has a maximum of one parameter type, which is void.

Callfuncn_selector (_ selector) function _ selector has only one parameter type, which is ccnode *

Callfuncnd_selector (_ selector) function _ selector has two parameter types: ccnode * and void *

There is only one parameter type in the menu_selector (_ selector) function _ selector, Which is ccobject *