Driftology/Assets/Standard Assets/CNControls/Scripts/Controllers/SensitiveJoystick.cs

using UnityEngine;
using UnityEngine.EventSystems;

namespace CnControls
{
    public class SensitiveJoystick : SimpleJoystick
    {
        public AnimationCurve SensitivityCurve = new AnimationCurve(
            new Keyframe(0f, 0f, 1f, 1f),
            new Keyframe(1f, 1f, 1f, 1f)
        );

        public override void OnDrag(PointerEventData eventData)
        {
            base.OnDrag(eventData);

            // Read the raw values
            float linearHorizontalValue = HorizontalAxis.Value;
            float linearVerticalValue = VerticalAxis.Value;

            // Keep the sign for correct direction
            float horizontalSign = Mathf.Sign(linearHorizontalValue);
            float verticalSign = Mathf.Sign(linearVerticalValue);

            // Remap via the curve
            HorizontalAxis.Value = horizontalSign * SensitivityCurve.Evaluate(horizontalSign * linearHorizontalValue);
            VerticalAxis.Value = verticalSign * SensitivityCurve.Evaluate(verticalSign * linearVerticalValue);
        }
    }
}