shadows in Blender Game #48256

Closed
opened 2016-04-24 12:26:45 +02:00 by Francisco Jose · 22 comments

System Information
Microsoft Windows 10 Enterprise x64
ntel(R) Core(TM) i5-3450 CPU @ 3.10GHz.
(RAM) 8,00 GB
NVIDIA GeForce GTX 960 3,00 GB

Blender Version
2.77a abf6f08

Short description of error
constant flickering shadows when moving the camera

Exact steps for others to reproduce the error
It is working properly in the previous version (2. 76b), but in this new version, shadows, flash in two angles, the effect is more evident if the camera is the slave of another object.
Only occurs to move or rotate the camera.water - copia.blend

**System Information** Microsoft Windows 10 Enterprise x64 ntel(R) Core(TM) i5-3450 CPU @ 3.10GHz. (RAM) 8,00 GB NVIDIA GeForce GTX 960 3,00 GB **Blender Version** 2.77a abf6f08 **Short description of error** constant flickering shadows when moving the camera **Exact steps for others to reproduce the error** It is working properly in the previous version (2. 76b), but in this new version, shadows, flash in two angles, the effect is more evident if the camera is the slave of another object. Only occurs to move or rotate the camera.[water - copia.blend](https://archive.blender.org/developer/F305505/water_-_copia.blend)
Author

Changed status to: 'Open'

Changed status to: 'Open'
Francisco Jose self-assigned this 2016-04-24 12:26:45 +02:00
Author

Added subscriber: @chocorun

Added subscriber: @chocorun

Added subscriber: @panzergame

Added subscriber: @panzergame

This is a precision error because of the last change from double to float in moto. The following commit in UPBGE fix it : 877dbe2b89

This is a precision error because of the last change from double to float in moto. The following commit in UPBGE fix it : https://github.com/UPBGE/blender/commit/877dbe2b898df413005358de04c959b6b479b05f

Added subscriber: @Sergey

Added subscriber: @Sergey
Francisco Jose was unassigned by Sergey Sharybin 2016-04-26 11:27:08 +02:00
Porteries Tristan was assigned by Sergey Sharybin 2016-04-26 11:27:08 +02:00

@panzergame, why not to fix it in Blender itself (instead of some github branch)?

@panzergame, why not to fix it in Blender itself (instead of some github branch)?

Added subscriber: @TwisterGE

Added subscriber: @TwisterGE

Added subscriber: @Daedalus_MDW

Added subscriber: @Daedalus_MDW

this is still broken in latest test builds. spot lamp shadows dont work either.

simpler test file --> ShadowTest.blend <-- proving its not fault of python, custom shaders, parenting, or linked data/libload.

Windows 7 x64 - fresh install last week, minimal software, only temp monitor running.
Nvidia GTX 970 - driver 368.69 - 1920x1080
8gb RAM

Blender:
2.76 series - works
2.77 series - broken

this is still broken in latest test builds. spot lamp shadows dont work either. simpler test file --> [ShadowTest.blend](https://archive.blender.org/developer/F333215/ShadowTest.blend) <-- proving its not fault of python, custom shaders, parenting, or linked data/libload. Windows 7 x64 - fresh install last week, minimal software, only temp monitor running. Nvidia GTX 970 - driver 368.69 - 1920x1080 8gb RAM Blender: 2.76 series - works 2.77 series - broken

doesnt work in test builds

or am i missing something?

doesnt work in test builds or am i missing something?
Author

2.78 - broken

2.78 - broken

cant we just remove real time shadows and call it a day? honestly i would rather have no shadows then buggy ones. to me that would be an acceptable fix until this gets sorted. maybe put a little orange triangle next to the shadow check box so people dont scream.

by the way, does anyone know if this works in linux builds? maybe its an odd windows thing. currently i have more computers then hard drives so it could be a short while before i can fiddle with linux.

cant we just remove real time shadows and call it a day? honestly i would rather have no shadows then buggy ones. to me that would be an acceptable fix until this gets sorted. maybe put a little orange triangle next to the shadow check box so people dont scream. by the way, does anyone know if this works in linux builds? maybe its an odd windows thing. currently i have more computers then hard drives so it could be a short while before i can fiddle with linux.

it seems in 2.78a the issue has been resolved for the most part. i think this can be closed

it seems in 2.78a the issue has been resolved for the most part. i think this can be closed
Author

It is not yet right, example Test Sadow still flashing, however, some projects if they work well, but others do not. I can be missing something in the installation ??

It is not yet right, example Test Sadow still flashing, however, some projects if they work well, but others do not. I can be missing something in the installation ??
Author

I'm trying to see how some projects do well and others not, but there is no difference, I changed the camera, I changed the light, but nothing, continues to produce flicker.

I'm trying to see how some projects do well and others not, but there is no difference, I changed the camera, I changed the light, but nothing, continues to produce flicker.
Author

In version 2.78b, it still does not work, (test Sadow.

In version 2.78b, it still does not work, (test Sadow.
Author

In version 2.78c, it still does not work, (test Sadow).

In version 2.78c, it still does not work, (test Sadow).
Author

In version 2.79 test build , it still does sadow not work, (test Sadow).

In version 2.79 test build , it still does sadow not work, (test Sadow).
Author

Experimenting with version 2.79, I discovered that tilting the camera 0. 1 degrees, the problem is corrected, you can check in the examples attached{F1087722} does this have any explanation?
ShadowTest0.blend

ShadowTest1.blend

Experimenting with version 2.79, I discovered that tilting the camera 0. 1 degrees, the problem is corrected, you can check in the examples attached{[F1087722](https://archive.blender.org/developer/F1087722/ShadowTest1.blend)} does this have any explanation? [ShadowTest0.blend](https://archive.blender.org/developer/F1087721/ShadowTest0.blend) [ShadowTest1.blend](https://archive.blender.org/developer/F1087726/ShadowTest1.blend)
Member

Added subscriber: @Blendify

Added subscriber: @Blendify
Member

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Member

This task is being closed because the BGE has been removed in Blender 2.8.

This task is being closed because the BGE has been removed in Blender 2.8.
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Reference: blender/blender#48256
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