GamepadAxisKey
GamepadAxisKey =
"leftX"|"leftY"|"rightX"|"rightY"|"leftTrigger"|"rightTrigger"
Defined in: types.ts:85
Named gamepad analog axis. Sticks are exposed per axis (leftX/leftY,
etc.); triggers (leftTrigger/rightTrigger) carry the W3C
GamepadButton.value for buttons 6/7 under standard mapping.