unitycoder

// https://forum.unity.com/threads/overlay-canvas-and-world-space-coordinates.291108/#post-9627593
// translating between overlay canvas and world space coordinates
uiObject.transform.position = RectTransformUtility.WorldToScreenPoint(Camera.main, worldObject.transform.TransformPoint(Vector3.zero));

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// http://answers.unity3d.com/questions/799616/unity-46-beta-19-how-to-convert-from-world-space-t.html

 //this is your object that you want to have the UI element hovering over