CSHARP

unity normalize float

//Calculate the normalized float;     
normalizedFloat = (i - min) / (max - min);
//Clamp the "i" float between "min" value and "max" value
i = Mathf.Clamp(i, min, max);
//Clamp the normalized float between 0 and 1
normalizedFloat = Mathf.Clamp(normalizedFloat, 0, 1);

unity normalize float

public static class VectorX {
    public static Vector3 SquareNormalize (this Vector3 vector) {
        var bounds = new Bounds(Vector3.zero, Vector3.one * 2f);
        return bounds.ClosestPoint(vector);
    }
}