getY() and getX() are intended for flightstick not xbox controllers
i think the code you want is
Code:
robotDrive.mecanumDrive_Cartesian(joystick.getRawAxis(whateverYourXAxisIs), joystick.getRawAxis(whateverYourYAxisIs), joystick.getRawAxis(whateverYourRotateAxisIs), whateverYourGyroValueIs)
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