[Home](./index.md) > [server](./server.md) > [PlayerUI](./server.playerui.md) > [lockPointer](./server.playerui.lockpointer.md) ## PlayerUI.lockPointer() method Locks or unlocks the player's mouse pointer on desktop. Use for: controlling when mouse input is captured. Do NOT use for: mobile devices (pointer lock has no effect). **Signature:** ```typescript lockPointer(lock: boolean): void; ``` ## Parameters

Parameter	Type	Description
lock	boolean	True to lock the pointer, false to unlock it. \*\*Requires:\*\* Player must be in a world. \*\*Side effects:\*\* Emits `PlayerUIEvent.LOCK_POINTER`. \*\*Category:\*\* Players

**Returns:** void ## Remarks If unlocked, the player cannot use in-game mouse inputs until it is locked again.