[0.13.10] - Train's Camera View causes severe FPS drop.

[ZereoX]

Summary:
Zooming out while in the Train's Camera View will cause FPS to drop below 10. This issue also occurs in Multiplayer and will affect all player. Youtube video has been attached below.

Steps to Reproduce:

1. Launch Steam.
2. Lauch Factorio.
3. Once the game is loaded, select Play -> Load Game (Choose a game with access to at least 1 Locomotive ) -> Load.
4. Once in-game, select the "Trains" option in the upper-right hard corner.
5. Select an available Locomotive from the list.
6. Toggle the view by pressing the "Color" tab or by clicking the switch icon in the upper-right hand corner of the Trains modal.
7. Use your mouse wheel to zoom-out of the Train's Camera View

System Specifications:
Memory: 31.4 GB
Processor: Intel® Core™ i5-4690K CPU @ 4.50GHz
Graphics: GeForce GTX 970 (361.42 Linux-x86_64)
Base System: Ubuntu 16.04 LTS 64-bit

Notes:

• This issue does not occur in the Train's Map View or when the user is at the default zoom level on the Camera View.

Attachments:
Youtube

[TruePikachu]

Can confirm on an earlier version of 0.13 (I forget which), but the actual FPS drop can be explained by the game having to render an additional viewport.

[ZereoX]

Can confirm on an earlier version of 0.13 (I forget which), but the actual FPS drop can be explained by the game having to render an additional viewport.

Thanks for the confirmation. It is a nit picky issues, but I felt the need to bug it as you shouldn't be having performance issue in general (bad user experience). It limits the feature to being a preview for train re-coloring (If this is the intended feature, zooming should be disabled). I assumed that is what they were aiming for as it switches to that view when clicking the color tab.

[Rseding91]

Can confirm on an earlier version of 0.13 (I forget which), but the actual FPS drop can be explained by the game having to render an additional viewport.

Thanks for the confirmation. It is a nit picky issues, but I felt the need to bug it as you shouldn't be having performance issue in general (bad user experience). It limits the feature to being a preview for train re-coloring (If this is the intended feature, zooming should be disabled). I assumed that is what they were aiming for as it switches to that view when clicking the color tab.

I experience no such performance loss on my computer which means it's just the hardware on your computer not being able to keep up.

There's no bug here.

[ZereoX]

I experience no such performance loss on my computer which means it's just the hardware on your computer not being able to keep up.

There's no bug here.

I consider myself to have quite a decent PC (posted above) and even with the settings at the lowest, the issue occurs.

[TruePikachu]

As I said, this can't really be fixed because the nature of the camera necessaitates the rendering of a seperate viewpoint, which adds quite a lot of time onto the render loop. I personally agree with the "Not a bug" category, if not "Won't fix".