Example #1
0
    public bool DetectClosestFingerTouch(int FingerNum)
    {
        //DetectClosestFingerTouch in a certain distance
        Touch[] allTouches    = Input.touches;
        Touch[] closestTouchs = new Touch[FingerNum];

        if (Input.touchCount >= FingerNum)
        {
            float[] distance = new float[Input.touchCount];
            for (int i = 0; i < Input.touchCount; i++)
            {
                Touch touch = Input.touches[i];

                //Debug.Log(string.Format("detected the {0} finger", i));
                //worldCamera:1.screenSpace-Camera 
                //canvas.GetComponent<Camera>() 1.ScreenSpace -Overlay 
                if (RenderMode.ScreenSpaceCamera == canvas.renderMode)
                {
                    RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRectTransform, touch.position, canvas.worldCamera, out pos);
                }
                else if (RenderMode.ScreenSpaceOverlay == canvas.renderMode)
                {
                    RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRectTransform, touch.position, _camera, out pos);
                }
                else if (RenderMode.WorldSpace == canvas.renderMode)
                {
                    RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRectTransform, touch.position, Camera.main, out pos);
                }
                else
                {
                    Debug.Log("Please choose right Camera RenderMode!");
                }

                distance[i] = Vector2.Distance(rectTransform.anchoredPosition, pos);
                //Debug.Log(string.Format("distance of the {0} finger from selected cases {2} is {1}", i + 1, distance[i], this.gameObject.name));
            }

            if (FingerNum == 2)
            {
                int[]   indexs      = new int[FingerNum];
                float[] mindistance = FindMinumFromArray(distance, FingerNum, out indexs);
                for (int i = 0; i < FingerNum; i++)
                {
                    //Debug.Log(mindistance[i]);
                    if (mindistance[i] > 2f)
                    {
                        return(false);
                    }

                    closestTouchs[i] = Input.touches[indexs[i]];
                }

                DetectClosestTouchMovement.Calculate(closestTouchs);
                return(true);
            }
        }
        return(false);
    }
    public bool DetectClosestFingerTouch(int FingerNum)
    {
        //DetectClosestFingerTouch in a certain distance
        Touch[] allTouches    = Input.touches;
        Touch[] closestTouchs = new Touch[FingerNum];

        if (Input.touchCount >= FingerNum)
        {
            float[] distance = new float[Input.touchCount];
            for (int i = 0; i < Input.touchCount; i++)
            {
                Touch touch = Input.touches[i];

                Ray        ray = Camera.main.ScreenPointToRay(touch.position);
                RaycastHit hitInfo;

                if (Physics.Raycast(ray, out hitInfo))
                {
                    Vector2 hitVector2  = new Vector2(hitInfo.point.x, hitInfo.point.z);
                    Vector2 caseVector2 = new Vector2(transform.position.x, transform.position.z);
                    distance[i] = Vector2.Distance(caseVector2, hitVector2);
                }
            }

            if (FingerNum == 2)
            {
                int[]   indexs      = new int[FingerNum];
                float[] mindistance = FindMinumFromArray(distance, FingerNum, out indexs);
                for (int i = 0; i < FingerNum; i++)
                {
                    //Debug.Log(mindistance[i]);
                    if (mindistance[i] > 0.1f)
                    {
                        return(false);
                    }

                    closestTouchs[i] = Input.touches[indexs[i]];
                }

                DetectClosestTouchMovement.Calculate(closestTouchs);
                return(true);
            }
        }
        return(false);
    }