Look-dev volume shader glitch (zero scale object volume) #69070

New Issue

Zach Hixson · 2019-08-23T02:18:58+02:00

Zach Hixson commented

2019-08-23 02:18:58 +02:00

System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 417.35

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: f6cb5f5449

Short description of error
When using look-dev mode, I have found that if you have an object which has a volume scatter shader applied to it, who's size gets animated to "0" the entire screen fills with that volume effect IE: You stop being able to see anything because the air is now a thick smoke and it's all just a solid color.

Exact steps for others to reproduce the error

Create the main object to animate, as well as a cube or something simple so that we can observe the bug
On the main object, apply a material that uses the "volume scatter," shader. All settings can be left at default.
animate the scale of the main object to go from 1 -> 0.
The frame which the object hits zero, the screen fills up entirely with the volume and you can no longer see the rest of the scene.

below is a screenshot and a sample file where I was able to reproduce the bug.

bugged.blend

**System Information** Operating system: Windows-10-10.0.18362 64 Bits Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 417.35 **Blender Version** Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: `f6cb5f5449` **Short description of error** When using look-dev mode, I have found that if you have an object which has a volume scatter shader applied to it, who's size gets animated to "0" the entire screen fills with that volume effect IE: You stop being able to see anything because the air is now a thick smoke and it's all just a solid color. **Exact steps for others to reproduce the error** 1. Create the main object to animate, as well as a cube or something simple so that we can observe the bug 2. On the main object, apply a material that uses the "volume scatter," shader. All settings can be left at default. 3. animate the scale of the main object to go from 1 -> 0. 4. The frame which the object hits zero, the screen fills up entirely with the volume and you can no longer see the rest of the scene. below is a screenshot and a sample file where I was able to reproduce the bug. ![example.png](https://archive.blender.org/developer/F7690171/example.png) [bugged.blend](https://archive.blender.org/developer/F7690173/bugged.blend)

Zach Hixson commented

2019-08-23 02:18:58 +02:00

Added subscriber: @ZachHixson

Constantine commented

2019-08-28 11:02:43 +02:00

Added subscriber: @Jaxxtrend

Philipp Oeser commented

2019-08-29 12:33:50 +02:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2019-08-29 12:33:50 +02:00

There are usually better ways than scaling to zero, but can confirm, this shouldnt happen.

Philipp Oeser changed title from ~~Look-dev volume shader glitch~~ to Look-dev volume shader glitch (zero scale object volume)

2019-08-29 12:34:22 +02:00

blender-admin commented

2020-01-27 17:31:12 +01:00

This issue was referenced by 0366c46ec6

This issue was referenced by 0366c46ec64e42135953aad1de41c6976947e7a4

Clément Foucault commented

2020-01-27 19:53:03 +01:00

Changed status from 'Confirmed' to: 'Resolved'

Clément Foucault closed this issue

2020-01-27 19:53:03 +01:00

Clément Foucault self-assigned this 2020-01-27 19:53:03 +01:00

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Reference: blender/blender#69070

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Look-dev volume shader glitch (zero scale object volume) #69070