How to detect SWIPE on Gear VR

Questions & Answers
1

Hi Guys,

I have been unable to get the Galaxy VR to detect a swipe. I can successfully get it to detect a tap, but not a swipe.

I’ve tried this code, but I suspect it only supports a swipe on a phones screen and not the Gear VR built in touch pad.

if(Input.touches.Length > 0)
     {
         var t : Touch = Input.GetTouch(0);
         if(t.phase == TouchPhase.Began)
         {
              //save began touch 2d point
             firstPressPos = new Vector2(t.position.x,t.position.y);
         }
         if(t.phase == TouchPhase.Ended)
         {
              //save ended touch 2d point
             secondPressPos = new Vector2(t.position.x,t.position.y);
                           
              //create vector from the two points
             currentSwipe = new Vector3(secondPressPos.x - firstPressPos.x, secondPressPos.y - firstPressPos.y);
               
             //normalize the 2d vector
             currentSwipe.Normalize();
 
             //swipe upwards
             if(currentSwipe.y > 0  &&  currentSwipe.x > -0.5f  &&  currentSwipe.x < 0.5f)
             {
                 Debug.Log("up swipe");
             }
             //swipe down
             if(currentSwipe.y < 0  &&  currentSwipe.x > -0.5f  &&  currentSwipe.x < 0.5f)
             {
                 Debug.Log("down swipe");
             }
             //swipe left
             if(currentSwipe.x < 0  &&  currentSwipe.y > -0.5f  &&  currentSwipe.y < 0.5f)
             {
                 Debug.Log("left swipe");
             }
             //swipe right
             if(currentSwipe.x > 0  &&  currentSwipe.y > -0.5f  &&  currentSwipe.y < 0.5f)
             {
             	 LaunchNewAsteroid();
                 //Debug.Log("right swipe");
             }
         }
     }

Has anyone successfully done this or can provide a link to how to do it ?

Cheers

2

The Gear Vr touchpad is mapped up like a mouse in unity.
You can use Input.GetAxis(“Mouse X”) and Input.GetAxis(“Mouse Y”) to read the motion of the finger on the touchpad. Input.GetMouseButton(0) will detect if the finger touches the touchpad or not.

With this data, it’s quite simple to build your own implementation of simple gesture detection.

3

void Start()
{
OVRTouchpad.Create();
OVRTouchpad.TouchHandler += HandleTouchHandler;
}

    private void HandleTouchHandler(object sender, EventArgs e)
    {
      var touchArgs = (OVRTouchpad.TouchArgs) e;
      if (touchArgs.TouchType == OVRTouchpad.TouchEvent.SingleTap)
      {
        Debug.Log("Received SingleTap");
      }
      else
      {
        Debug.Log("Received " + e);
      }
    }
  }

source: http://forum.unity3d.com/threads/samsung-gear-vr-detect-tap-swipe.298346/#post-2270467

4

I used this and it completely worked for me , as touchpad in GearVR works similar as a mouse.

Vector3 FP,LP;
float DragDistance=20f;
void Update()
{

        if (Input.GetMouseButtonDown(0))                                       //Swipe using Buttonup/ButtonDown
        {
            FP = Input.mousePosition;
        }
        if (Input.GetMouseButtonUp(0))
        {
            LP = Input.mousePosition;
        }

        if (Mathf.Abs(LP.x - FP.x) > DragDistance || Mathf.Abs(LP.y - FP.y) > DragDistance) //Swipe happened;
        {
            if (Mathf.Abs(LP.x - FP.x) > Mathf.Abs(LP.y - FP.y))
            {   //If the horizontal movement is greater than the vertical movement...
                if ((LP.x > FP.x))  //If the movement was to the right)
                {   //Right swipe
                  
                }
                else
                {   //Left swipe
                   
                }
            }
            else
            {   //the vertical movement is greater than the horizontal movement
                if (LP.y > FP.y)  //If the movement was up
                {   //Up swipe
                    
                }
                else
                {   //Down swipe
                    
                }
            }
        }
        else
        {
                                        //Tap Functionality
        }


}