Locking the mouse

Im attempting to script something that locks the mouse when pressing A.
Now it just jumps back to the center of the screen.

Code (csharp):

1. var locked = true;
2.  
3.  function Update(){
4.      if(Input.GetKeyDown(KeyCode.A)){
5.         if(locked == false){
6.         Screen.lockCursor = true;
7.         locked = true;
8.         }
9.         if(locked == true){
10.         Screen.lockCursor = false;
11.         locked = false;
12.         }
13.     }
14. }
15.  

 

Your code is incorrect. You should add an else statement.

Code (csharp):

1. if(Input.GetKeyUp(KeyCode.A))
2. {
3.        Screen.lockCursor = !Screen.lockCursor
4. }

In the code you have now, it will get unlocked right away.

Edit:
You don't even need the locked Boolean.

Edit edit:
You don't even need the IF-statement.

Last edit:
It is better to use GetKeyUp to prevent pressing it multiple times.