CODE EXAMPLE FOR CSHARP

unity deadzone

float deadzone = 0.25f;
Vector2 stickInput = new Vector2(Input.GetAxis(“Horizontal”), Input.GetAxis(“Vertical”));
if(stickInput.magnitude < deadzone)
    stickInput = Vector2.zero;
else
    stickInput = stickInput.normalized * ((stickInput.magnitude - deadzone) / (1 - deadzone));