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By Design

Votes

0

Found in

2017.4.0f1

2018.2.14f1

2018.3.0a1

2019.1.0a1

Issue ID

1099664

Regression

No

In Editor, SetActive(true) does not work when it is called the first time

Scripting

-

How to reproduce:
1. Open attached project "setActiveFalse_firstTime7.zip" and scene "FloorMap00"
2. Enter Play mode
3. In Game View, press on "Asset Tracking" button
4. Observe Console window (the image SetActive(true) was called, but it never showed up)
5. In Game View, press on "X" button
6. Repeat step 3-4 (the image shows up)

Expected result: after pressing on "Asset Tracking" button the image pops up
Actual result: the first attempt of pressing on pressing on "Asset Tracking" button the image did not show up

Reproducible with: 2017.4.16f1, 2018.3.1f1, 2019.1.0a12

  1. Response avatar

    Resolution Note (fix version ):

    This is by design. gameObject.SetActive(false); is called in Start() of the MonoBehaviour that SetActive(true) is called on.

    First time gameObject.SetActive(false), Start() will be called and then the gameObject will be disabled immediately. The second time gameObject.SetActive(false) is called, Start() has already been called and won't be called again. So SetActive(true) works the second time because gameObject.SetActive(false) isn't called afterwards.

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