// Transform rect based on finger data
private void WriteTransform(RectTransform rect, LeanFinger finger)
{
// Make sure the camera exists
var camera = LeanTouch.GetCamera(Camera, gameObject);
if (camera != null)
{
var min = camera.ScreenToViewportPoint(finger.StartScreenPosition);
var max = camera.ScreenToViewportPoint(finger.ScreenPosition);
// Fix any inverted values
if (min.x > max.x)
{
var t = min.x;
min.x = max.x;
max.x = t;
}
if (min.y > max.y)
{
var t = min.y;
min.y = max.y;
max.y = t;
}
// Reset pivot in case you forgot
rect.pivot = Vector2.zero;
// Set anchors
rect.anchorMin = min;
rect.anchorMax = max;
// Make rect we check against
var viewportRect = new Rect();
viewportRect.min = min;
viewportRect.max = max;
// Rebuild list of all selectables within rect
selectables.Clear();
for (var i = LeanSelectable.Instances.Count - 1; i >= 0; i--)
{
var selectable = LeanSelectable.Instances[i];
var viewportPoint = camera.WorldToViewportPoint(selectable.transform.position);
if (viewportRect.Contains(viewportPoint) == true)
{
selectables.Add(selectable);
}
}
// Select them
LeanSelectable.ReplaceSelection(finger, selectables);
}
}
// Transform rect based on finger data
private void WriteTransform(RectTransform rect, LeanFinger finger)
{
// Make sure the camera exists
var camera = LeanHelper.GetCamera(Camera, gameObject);
if (camera != null)
{
var min = camera.ScreenToViewportPoint(finger.StartScreenPosition);
var max = camera.ScreenToViewportPoint(finger.ScreenPosition);
// Fix any inverted values
if (min.x > max.x)
{
var t = min.x;
min.x = max.x;
max.x = t;
}
if (min.y > max.y)
{
var t = min.y;
min.y = max.y;
max.y = t;
}
// Reset pivot in case you forgot
rect.pivot = Vector2.zero;
// Set anchors
rect.anchorMin = min;
rect.anchorMax = max;
// Make rect we check against
var viewportRect = new Rect();
viewportRect.min = min;
viewportRect.max = max;
// Rebuild list of all selectables within rect
selectables.Clear();
foreach (var selectable in LeanSelectable.Instances)
{
var viewportPoint = camera.WorldToViewportPoint(selectable.transform.position);
if (viewportRect.Contains(viewportPoint) == true)
{
selectables.Add(selectable);
}
}
// Select them
LeanSelectable.ReplaceSelection(finger, selectables);
}
else
{
Debug.LogError("Failed to find camera. Either tag your cameras MainCamera, or set one in this component.", this);
}
}
