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Incorrect Tracking Events On Image Targets

December 2, 2020 - 5:56am #1

Vuforia SDK Version: 9.4.6 -

Description with steps to reproduce: After enabling VuforiaBehaviour it will send incorrect events in certain situations.
unity scene setup:
- AR camera with vuforia scripts
- image target

Steps to reproduce:
- play scene
- point camera at image target and wait until it is tracked
- disable VuforiaBehaviour (while target is still tracked)
- point camera away, so that the target is not in view
- enable VuforiaBehaviour

After these steps the tracked event will be fired and one frame after that the lost tracking event will be fired.
Expected behaviour: no events fired, because target is not tracking. -

Development OS (Mac OS X, Windows, Linux): Windows -

Mobile OS and Version: - -

Mobile Device Manufacturer and Model name: - -

Do the Vuforia Sample Applications show the same behavior?: not tested

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