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Won't Fix

Votes

1

Found in

2017.2.0f3

Issue ID

1044216

Regression

No

Material that has properties with same name as builtins will break lots of things

Shaders

-

To reproduce:

1. Open "uvbug2" project attached in comment
2. open repro scene and hit play
-> The uv scroll from right to left + speed is constant (CORRECT)

3. Exit play mode, build a standalone player, run the player
-> The uv scroll from top-right to bottom-left + speed is accelerating (WRONG)

4. Go back to the editor, select material "mat1" in Project view
5. On the Inspector, click on the gear icon and click "Reset"
6. The material will be reset. Type 1 for U Speed, 0 for V Speed, use "Default-Particle" as the noise texture on the material
7. hit play
-> The uv scroll from right to left + speed is constant (same as step 2) (CORRECT)

8. Exit play mode, save scene, build a standalone player, run the player
-> The uv scroll from right to left + speed is constant (same as step 2) (CORRECT)

Reproduced on:
5.6.6f2 2017.1.4f1 2017.2.3p1 2017.3.2f1 2018.1.2f1 2018.2.0b6 2018.3.0a1

Notes:
Reproduces on win10 and MacOS High Sierra 10.13.4

  1. Resolution Note:

    This issue is actually caused by saved Material properties names conflicted with builtin shader variable names.

    Easy workaround would be resetting the Material:
    1. Select the material
    2. On Inspector, click on the gear icon on top left > Reset

    OR

    1. Select the material
    2. On Inspector tab > right click > Debug
    3. Saved Properties > Floats, remove the items that has conflict, i.e. _Time

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