Questions tagged [fire]

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4 votes
1 answer
35 views

Should I be changing temperature min and max or reaction speed if I want my flames to go higher?

Working on a fire simulation and I was confused about which value is more physically correct to adjust because I know adjusting reaction speed slows down or speeds up the fire simulation. Any help ...
0 votes
0 answers
6 views

How to drive noise textures position with attributes?

I'm working on a fire simulation and I've been using a noise texture to remove parts of the fire. So far I've just animated the Z value of the mapping to move the noise up. But I saw someone use an ...
1 vote
1 answer
35 views

Mantaflow Fire very blocky?

i made a Mantaflow Fire+Smoke Simulation and have to problem, that the fire looks very blocky and large. The Smoke looks pretty good nonetheless. It´s a Fire + Smoke Emitter and the Domain Resolution ...
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0 votes
1 answer
39 views

Rocket Launch Simulation with Mantaflow looks weird

I want to recreate a Rocket Launch and have the problem, that the smoke behaviour looks very different from Real Rocket Launches. I put a Mantaflow Fire/Smoke emitter and Force Field in every engine. ...
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1 vote
0 answers
27 views

How to make cartoonish fire wing effect?

I would like to create a visual effect similar to this one. Basically, I need an animation of a flaming wing and the fire must dissolve in the ending. I have tried to mix many different tutorials ...
0 votes
1 answer
20 views

Cycles isn’t rendering fire/smoke simulations

I have an animation with fire+smoke, but when I render it no fire or smoke shows up and I don’t know the problem, I’m using cycles and the domain has a shader for it. Any help?
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1 vote
0 answers
21 views

How to Create Fire Reflection in Eevee?

I'm making a fireplace. The Eevee rendered image has no fire reflection when using a Principled Volume shader on both stainless steel and glass surface. I tried using a Reflection Cubemap to no avail.
0 votes
0 answers
13 views

Low quality of fire in eevee and cycles (text and video below) Unsolved

faced with a problem that my fire looks ok in solid mode but when i am using eevee or cycles it looks terribly low-quality and pixellated. it is actually looks more like a smoke but not a fire. Hope ...
0 votes
1 answer
12 views

Fire does not appear in the final rendering [closed]

I created a fire in the blender, it appears in the render Mode but does not appear in the final rendering. What to do?
0 votes
0 answers
14 views

In the Dissolve tab for smoke simulations is the ‘time’ seconds or frames?

I’m currently testing out smoke and fire simulations and I came across the ‘Dissolve’ tab, and I’m not sure whether ‘time’ means frames or seconds.
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1 vote
1 answer
68 views

How to fix pixilated fire in render

Shows fine in the 3d view but renders blocky / pixilated. How can I fix this?
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1 vote
1 answer
109 views

How to make taller flames

I'm working on an animation where I need a fire to fill certain vertical area. How can I increase the height of flames in a fire simulation?
0 votes
0 answers
19 views

why my fire is broken?

my fire just stays and doesnt move. also i cant change its color? i tried to make fire myself, used quick smoke and other things, but nothing changes. as i understand file in which im working was made ...
1 vote
0 answers
33 views

Fire Simulation Hitting Border

Trying to make a torch, but the fire simulation keeps going to the top of the border. How do I shorten the flame?
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0 votes
0 answers
19 views

Weird colors when i open rendered image in After effects or any image viewer

I have a 3D model that does a spin and he is on fire. I render one image. It looks just fine on blender. However when I save the image on my drive and open it with After Effects or with any other ...
  • 51
0 votes
1 answer
794 views

Smoke simulation not working

I am new to Blender and I am using blender 3.0 I am trying to make a smoke simulation by quick effects but the smoke simulation is not working and also I have a chimney which should work as a effector....
0 votes
1 answer
120 views

Baked smoke domain jumps back to origin when being moved part 2

I have this project of a large scale environment, and I have the main character in front, and he's supposed to be holding a torch. I made the fire smoke domain, and got it baked. But it's at the world ...
0 votes
0 answers
47 views

Baked smoke domain jumps back to origin when being moved

I have this project of a large scale environment, and have the main character in front, and he's supposed to be holding a torch. I made the fire smoke domain, and got it baked. But it's at the world ...
0 votes
1 answer
67 views

Fire Shader For Pixelated Fire

I learned how to make a voxel fire by importing an OpenVDB of a smoke simulation I had made, and then using the Volume to Mesh modifier to make a cube take the form of the simulation. I then used the ...
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0 votes
0 answers
21 views

Does an object emitting smoke also behave as an effector?

I'm making a campfire in Blender 2.93 and I'm wondering if I need to make duplicates of the objects and set them to effectors. If my emitters are set to flow, then I can't set them to effector. So if ...
0 votes
0 answers
24 views

Fire+Smoke Simulation isn´t working with motion

Im trying to make a scene where a helicopter flies in the camera view and shoots rockets at the camera. I want to make a fire and smoke trail behind the rockets but i cant get the simulation to work. ...
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3 votes
1 answer
439 views

Fire Doesn't Rise Up and It looks Fake

I'm initially used Blender 3.0.0 beta on Windows 10 but I duplicated this result on Blender 2.93.6. I can't get a realistic fire simulation. I followed this tutorial https://www.youtube.com/watch?v=...
0 votes
1 answer
67 views

Blocky fire in rendered view

In the render view my fire is kinda "blocky". No matter it is in Eevee or Cycles. When I change Emission to 0 and Blackbody Intensity to 1, is better, but this is not the result I want to ...
0 votes
1 answer
118 views

My smoke is blocky even at highish resolutions

I’m working on this project where I’m getting this blockiness in the fiery smoky flying rocks. I already increased the resolution of the bake to 500 in the domain menu and it took the whole day to ...
0 votes
1 answer
167 views

My fire has extremly low resolution

I started experimenting with fire and smoke and now i have the problem that my fire and smoke both have are in terrible resolution. I know that the Resolution Devisions are just on 64 but I also tried ...
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0 votes
0 answers
30 views

mantaflow explosion: need more light emitted, reduce graininess

I've been working on an image with a cannon firing, following a mantaflow explosion tutorial. I'm getting pretty excited with the results (see render image), but I need the explosion to emit more ...
  • 191
1 vote
0 answers
93 views

Blender Refraction BSDF too dark

as you can see in the first picture if i use an refraction shader on a plane in front of the fire/persons it´s way darker then without. I want to use it for an heat distortion because of the fire. I ...
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0 votes
0 answers
64 views

Why is my explosion transparent on Eevee?

I am sorry for not including information before. I recently made an explosion with a particle system on Eevee. In the image, you can see how objects behind it are visible.( I added a black cube and a ...
0 votes
1 answer
86 views

Why is my smoke sim so grainy?

(This was made in blender 3.0 alpha) So basically I followed this tutorial from Polyfjord, my whole process is basically the same, for those who don't have the time to watch the whole vid: Create a ...
0 votes
0 answers
23 views

How to add detail to smoke on Eevee? [duplicate]

I made an explosion animation on blender but my smoke looks flat and artificial. Are there any tips to add detail and shadows to it? I want to render this on Eevee. I also added an image of how it ...
0 votes
0 answers
8 views

Fire in eevee starts at the source but then moves to the corner of the domain after a few frames

I am running a fire sim in Eevee and it starts off in the correct position however after a couple of frames it completely leaves the emitter and goes to the corner of the domain, any fixes for this?
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0 votes
0 answers
37 views

Smoke not rendered in viewport in smoke and fire simulation

So i have been messing around with the flame and smoke simulation, but for some reason, i cant seem to be able to see my smoke being rendered in my viewport. Here are my settings for the simulation. ...
  • 1
0 votes
0 answers
54 views

Export to transparent PNG doesn't export everything

I've got a fire simulation in Blender 2.83 and when I export the image the colors at the edge of the fire don't come through. Any ideas? Attached, highlighted in red the left shows the Blender file, ...
2 votes
1 answer
211 views

How can I slow down a particle driven smoke/fire simulation?

I am working on a flame simulation that is driven by a particle emitter (Emitter > Flow Source) and everything has been going fine. The only problem is that the simulation is going EXTREMELY fast. ...
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0 votes
1 answer
111 views

Cache button and bake button missing in fluid

[ Bake button is missing in fluid panel. Other tutorials said to change the cache settings, but that too is missing! The picture is fully scrolled, there are no more options How to bake?
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0 answers
16 views

Domain created a separate mesh

Attempted to apply a quick smoke and fire effect to the default cube in blender but instead of setting the cube on fire the domain created a separate mesh and ran the simulation on that. After ...
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1 vote
0 answers
63 views

Smoke/Fire cards or simulations

HI I'm trying to create a really high quality cinematic in blender, In my animation there will be a bunch of boats on fire or smoking, (mostly) in the distance, How should I achieve a high quality ...
0 votes
1 answer
46 views

How to make this explosion look less orthogonal?

Suggestions on how to make this look more natural without increasing the resolution too greatly? Trying to minimize bake time. https://youtu.be/gKrwqdeRbuY
1 vote
1 answer
237 views

How to slow down the flames with simulation?

I want to slow down the speed of flames. I am trying to create smaller flames but slower. Which simulation settings do I need to dial? I tried smaller simulation time steps but that made it worsts, I ...
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1 vote
0 answers
104 views

I have problems with the mantaflow fire simulation. The fire is visible through other objects if I use the render engine eevee or the material preview

Hey I have problems with the mantaflow fire simulation. For some reason, the fire is visible through other objects. This happens only in material preview and if I use the render engine eevee. In ...
0 votes
1 answer
161 views

Multiple Colors Flame + Smoke 1 Domain

Is it possible to have multiple objects that are emitting Flame and Smoke have different colored flame and smoke within the same domain?
0 votes
0 answers
51 views

Fire + Smoke Loaded Question

I have a scene where I'm launching cans that have an exhaust port like a rocket or a firework that shoots fire and smoke out of it as its launching. I'm having several issues. First time using this ...
0 votes
0 answers
44 views

How to get darker fire when the environment is dynamic sky

I am trying to make the flamethrower of charizard(pokemon) like in Anime style but since I am new to blender I can't create a good fire but this is the fire I created. Well the fire is fine but the ...
1 vote
1 answer
25 views

Why isn't fire being loaded in the render view?

I did some fire simulations in blender about a week ago. I encountered the same problem in all of them, the fire was not loading in the render view, all I get are some huge black pixels. It works well ...
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0 votes
0 answers
36 views

Shading with Float Vector Volumes

Houdini 18.5 has a volume Bake sop that computes the internal scattering of emission based on the density. This is used to minimize the render times because the volume bounces can now be set lower and ...
1 vote
1 answer
84 views

Volumetric error when rendering mantaflow fire simulation

so I've been working on honing my fire-simulation skills in the Cycles renderer using Mantaflow as I'm set to be using it soon for a project; but while working on looks and so on, I noticed a render ...
0 votes
1 answer
164 views

fire simulation start frame

I'm trying to do a fire simulation that should look like a meteor. I have applied quick smoke, then smoke and fire on the physics tab but the fire appears right after 100 frames, too late for what I ...
0 votes
1 answer
59 views

Weird stuffs in smoke + fire sim

So, i've been messing around with this project for a solid total of 10+ hours. And i still can't figure out why the fire is so weird. It has this bobbly blocky thing even in "decent" ...
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0 votes
0 answers
247 views

Cycles Fire + smoke png renders save empty

I am rendering 2 different fire + smoke simulations with seemingly the exact same settings. One saves to PNG with alpha perfectly. The other seems to render properly but the saved png is blank. After ...
0 votes
1 answer
80 views

Mantaflow render with transparent background turns out be white screen

So I'm rendering an animation with Mantaflow, but when I render it, even in the render result there is good render, but when I'm saving on a disk it turns out to be white screen. Why? PS: Normal ...