Tracking slow mouse movements

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Hi,

I was just wondering if there is a way to track very slow mouse movement on the screen. As I understand it, Input.GetAxis("Mouse X"), etc., returns the speed of the mouse movement, so for a very slow moving mouse it seems to register 0.

I am dragging an object in the X/Y plane on the screen and would like it to change its animation when moving left/right. While this works fine when moving quickly in these directions, it will switch to the idle (no left/right movement) animation momentarily as Input.GetAxis("Mouse X") is returning 0. I know I could probably use the transform.position.y of the object in the condition, but was wondering if there is an alternative for the mouse movement first. My condition for moving left is:

if (Input.GetAxis("Mouse X") < 0)

Thanks

Answer 1

Answer by hathol · May 24, 2012 at 02:31 PM

I would just use Input.mousePosition directly. So something along the lines of

 Vector3 lastPos;
 
 void Start()
 {
     lastPos = Input.mousePosition;
 }
 
 void Update()
 {
      Vector3 deltaPos = Input.mousePosition - lastPos;
      float deltaX = deltaPos.x;
 
      // do something
 
     lastPos = Input.mousePosition; 
 }

Edit: you can use deltaPos*Time.deltaTime to get the mouse speed rather than the moved distance

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Tracking slow mouse movements

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