Left thumbstick x-axis value.
A signed value between -32768 and 32767 describing the position of the left thumbstick. A value of 0 is centered. Negative values signify to the left. Positive values signify to the right. The constant value GamepadCapabilities.leftThumbDeadzone can be used as a positive and negative filter to filter a thumbstick input.
final int leftThumbstickX;