unity3d - How to calculate z position of ImageTarget with screen and AR Camera? -


i new unity3d , vuforia. developing ar project unity3d , vuforia. want show found target object when lost. can show them, wrong position devices. want scale game object them's z position.

note:

  1. world center mode: camera
  2. using imagetarget of vuforia

i want calculate z position of imagetarget fit screen , ar camera. how it?


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