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Iago Diogo Vasconcelos Mota (IagoMota)
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User Since
Jan 6 2019, 4:50 PM (79 w, 23 h)

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Today

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T74763: Mantaflow: Animating smoke color affects existing smoke.

Oh, thanks for reminding me to check this one! Unfortunately, it looks like it got more complicated. In both 2.83.2 and 2.9 Alpha (f319eec88186), the bug is gone when it's simulated using Replay type cache (though with several glitches before the first keyframe, probably related to caching). But when it's simulated in Modular or Final/All, the bug is still there. The color changes won't be visible in the viewport, but, if rendered in Cycles, the whole plume of smoke changes color at once, instead of just the newly emitted smoke.

Mon, Jul 13, 4:24 AM · Nodes & Physics, BF Blender

Thu, Jul 9

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T78738: Mantaflow - Enabling "Noise" breaks fast-moving smoke.

For some reason, in the newest build of 2.9, the simulation isn't at all visible after baking the noise, so I tried this on a previous build instead: 2.90 - c8060a78fdf3 . And, yes, unfortunately the issues persist.


The smoke moved a lot slower in 2.9, so I ended-up using a wind force-field to really accelerate it.
By the way, these issues were also present in 2.82.0

Thu, Jul 9, 3:59 AM · Nodes & Physics, BF Blender

Wed, Jul 8

Iago Diogo Vasconcelos Mota (IagoMota) created T78738: Mantaflow - Enabling "Noise" breaks fast-moving smoke.
Wed, Jul 8, 4:07 PM · Nodes & Physics, BF Blender

Mon, Jul 6

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T69870: Adaptive Domain causing 'twitches' in gas position when noise applied.
Mon, Jul 6, 6:51 PM · Physics, BF Blender

May 16 2020

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T73837: Mantaflow: Effect of forces increases over time..

@Everton Schneider (eversimo) You're right, 2.90 alpha seems to have the issue fixed with force fields. If smoke/flame Vorticity are the only properties influenced by this bug, it's probably not significant anymore, in my opinion. So, I'm glad to see this pretty much resolved!

May 16 2020, 5:16 AM · Physics, Nodes & Physics, BF Blender

May 13 2020

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T73837: Mantaflow: Effect of forces increases over time..

@Everton Schneider (eversimo) That's strange. I just tested in 2.83 50ef801a79b5, the issues still persist there.

May 13 2020, 6:19 PM · Physics, Nodes & Physics, BF Blender

May 12 2020

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T76685: Force field can't expand smoke evenly..

An unqualified guess here, so please correct me if I'm wrong! But I suppose this might be due to Blender treating this as if no more pressure is being added to the smoke. So, despite the insistence of even velocity, the smoke can't expand properly. However, due to the constant emission of new particles or the fact that Flow Behavior is set to Inflow, I believe it follows that more pressure should be added over time.

May 12 2020, 4:34 PM · Physics, Nodes & Physics, BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) created T76685: Force field can't expand smoke evenly..
May 12 2020, 4:32 PM · Physics, Nodes & Physics, BF Blender

Mar 14 2020

Iago Diogo Vasconcelos Mota (IagoMota) created T74763: Mantaflow: Animating smoke color affects existing smoke.
Mar 14 2020, 8:12 PM · Nodes & Physics, BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) created T74762: Mantaflow: Non emmiting flow source affects simulation.
Mar 14 2020, 7:51 PM · Nodes & Physics, BF Blender

Feb 19 2020

Seth (VirtusH) awarded T73837: Mantaflow: Effect of forces increases over time. a Burninate token.
Feb 19 2020, 5:51 PM · Physics, Nodes & Physics, BF Blender

Feb 15 2020

Silas Opel (Schamph) awarded T73838: Mantaflow: Viewport shading of gas changes as "Initial Temperature" is modified. a Like token.
Feb 15 2020, 5:20 PM · Nodes & Physics, BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) created T73838: Mantaflow: Viewport shading of gas changes as "Initial Temperature" is modified..
Feb 15 2020, 2:53 PM · Nodes & Physics, BF Blender
Silas Opel (Schamph) awarded T73837: Mantaflow: Effect of forces increases over time. a Like token.
Feb 15 2020, 2:47 PM · Physics, Nodes & Physics, BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) created T73837: Mantaflow: Effect of forces increases over time..
Feb 15 2020, 2:36 PM · Physics, Nodes & Physics, BF Blender

Feb 7 2019

Iago Diogo Vasconcelos Mota (IagoMota) added a comment to T61289: Emitting particles from instances not working properly..

My apologies. I forgot to include the fact that "unborn" and "Dead" need to be disabled in the Particle Instance modifier. I have tested this with the newest version of 2.79 and it seems to be working just as fine as the previous versions. In the recent builds of 2.8, however, it doesn't work properly.

Feb 7 2019, 7:25 PM · BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) updated the task description for T61289: Emitting particles from instances not working properly..
Feb 7 2019, 7:22 PM · BF Blender
Iago Diogo Vasconcelos Mota (IagoMota) created T61289: Emitting particles from instances not working properly..
Feb 7 2019, 5:53 PM · BF Blender

Jan 6 2019

Iago Diogo Vasconcelos Mota (IagoMota) created T60237: "Smoke Adaptive Domain" functioning improperly.
Jan 6 2019, 5:39 PM · Physics, BF Blender