Want it aligned center ?

A very basic formula, center a clip relatively from another.

By the way, don't be afraid of seeing much subjects related to graphical programming :
I'm a flash/HaXe developer

The wind rose

How to treat a complex switch-case like, for example, for a relative placement (NORTH, WEST, SOUTH, EAST and compositions) :

// return the relative position of the specified point from (0, 0)
function String placement( int x, int y ) {

...

}

What the f***

++++++++++
[>+++++++>++++++++++>+++>+<<<<-]
>++.>+.+++++++..+++.>++.
<<+++++++++++++++.>.+++.------.--------.>+.>.