void Update()
{
//the code below is only executed on devices supporting 3d touch
if (!supportsForceTouch)
{
return;
}
//if down and touch is not mouse
if (down && (touchId != -1))
{
//use scale to provide visual feedback.
//this is not crucial, because popup provides better visual feedback
var t = ForceTouchPlugin.GetTouchExtraData(touchId); //is the same as Input.GetTouch(touchId).GetExtraData();
this.gameObject.transform.localScale = Vector3.one * Mathf.Lerp(1f, 1.2f, Mathf.Clamp(t.force / (t.maxforce / 2f), 0f, 1f));
//code above could be replaced with this as well, but above call has fewer function calls and is JUST A BIT more efficient
//var t = Input.GetTouch (touchId);
//this.gameObject.transform.localScale = Vector3.one * Mathf.Lerp (1f, 1.2f, Mathf.Clamp (t.GetForce() / (t.GetMaxForce() / 2f), 0f, 1f));
popup.SetForce(t.force, t.maxforce);
}
}
/// <summary>
/// Extension method for Touch class. Used to retrieve radius tolerance of this touch. Radius tolerance is differs among devices.
/// </summary>
/// <returns>Touch radius tolerance.</returns>
/// <b>Example</b>
/// <code>
/// Input.touches[0].GetRadiusTolerance();
/// </code>
public static float GetRadiusTolerance(this Touch touch)
{
return(ForceTouchPlugin.GetTouchExtraData(touch.fingerId).radiusTolerance);
}
/// <summary>
/// Extension method for Touch class. Used to retrieve maximum possible force of this touch. MaxForce might be different for different devices.
/// </summary>
/// <returns>Maximum possible force of this touch.</returns>
/// <b>Example</b>
/// <code>
/// Input.touches[0].GetMaxForce();
/// </code>
public static float GetMaxForce(this Touch touch)
{
return(ForceTouchPlugin.GetTouchExtraData(touch.fingerId).maxforce);
}
/// <summary>
/// Extension method for Touch class. Used to retrieve force and radius data.
/// </summary>
/// <returns>NativeTouchExtraData object for this touch containing force and radius data</returns>
/// <b>Example</b>
/// <code>
/// Input.touches[0].GetExtraData();
/// </code>
public static NativeTouchExtraData GetExtraData(this Touch touch)
{
return(ForceTouchPlugin.GetTouchExtraData(touch.fingerId));
}
