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Question by patharding88 · Jul 08, 2017 at 03:06 PM · scaletranslateaccelerometerclamplimits

Scale using accelerometer with limits

I'm trying to translate the roll(y) of a phone into the scale of an object but with size limits.

I have had success scaling to infinity +- with the following code:

     void Update () {

        float accelY = Input.acceleration.y;

        transform.localScale += new Vector3(0, accelY, 0);

  }

The problem I am having is with the max and min limits of the scale.

I attempted to use Clamp in the following way but have ended up just limiting the direction of scale where -y (rolling toward myself) equals 0 therefore no shrinking happens and +y (rolling away from self) scales up endlessly assumed at a max rate of 0.045f.

 transform.localScale += new Vector3(0, Mathf.Clamp(accelY, 0f, 0.045f), 0);

In an ideal world I'd like to have a min scale of y = 1 and a max scale y = 100 and as you roll the phone back and forth it would tween between the two sizes.

I can find code snippets for Translate and rotate but nothing for scaling.. Please help.

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