Questions tagged [light]

Questions about light, lamps, lighting and lighting issues.

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12 views

Cycles Volumetric Lighting Render Issue (2.81)

I have a simple volumetrics setup for a nebula-esque scene. Now, the render has to loop, so I used multiple boxes with the same noise textures in them. In Eevee, this works great, but in cycles, each ...
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1answer
625 views

In eevee, the soft shadows of the sun have circular pattern artifacts

The angle value has been increased to get soft shadows with sun. As the rendering progresses, the shadows appear to spread smoothly, but soon there are circular pattern artifacts. This looks like a ...
2
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1answer
10 views

In eevee, shadows are clipped by camera distance

As shown in the gif, the shadow in eevee is clipped by the camera distance. The same is true for F12 rendering. Where are the options to improve this issue?
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8 views

Blender 2.81/2.82 Specular light disabled after editing viewport studio light

After editing a studio light and saving it, blender disables the specular light option from the viewport drop down menu. Any information on why this happens or how to fix it?
2
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1answer
52 views

I don’t think cycles is working

So last night I was trying to make a crystal structure like the one in ducky3d’s video about fantasy crystals. I am very new to blender so bear with me. The transparency doesn’t work and I never see ...
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10 views

2.8 how to align vertex normal towards/away to light angle by x amount?

I am using a diffuse based toon shader for NPR models and i need to be able to fine tune vertex normals in order to force certain non realistic shadows. Trying to rotate them manually is very tedious ...
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1answer
24 views

How can i setup lighting in Eevee?

Im doing texture painting in Eevee, and I use lookdev mode. But i dont have a world shader and whenever i add any kind of light it doesn't make a change to my scene. What do i need to add / change in ...
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1answer
36 views

I deleted my light

I accidentally deleted my light. Now I can't get it back. I tried adding one of the other light options, but it doesn't seem to cast the same kind of light. I also can't seem to find one that says "...
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0answers
23 views

Invisible / transparent source of light. How to turn on?

Something happened and the light source is no longer visible to me, how to make it visible again? Light falls, but the source is not visible. If you make an object and apply the emission shader - ...
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9 views

lighting - various interactions

I am a packaging designer and I do visualizations in a blender. I have several objects that illuminate with 1 source (mesh) and I want one of the objects not to be illuminated - is it possible?
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0answers
16 views

How can I make whole scene emit light

I;m using nodes to make all objects emit light, it worked before but i have changed something, i'm not sure what and now the only object emitting light is the chopper blades. I want the grid and the ...
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0answers
17 views

EEVEE Sun “Softer” Shadows

I was trying to incorporate a Red Suzanne in a camera mapped projected photo, but the softness of the shadows mismatch. In cycles maybe I can Increase the size of the sun and make it more softer but ...
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2answers
42 views

Removing shadows

How do I remove an object's shadow ? I do not have a node setup for either object as I would not know where to start with tackling this issue. Also, the small object will be animated to move, hence ...
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0answers
14 views

Difference between light and emission shader [duplicate]

I got rectangle light source on the right and face with emission shader on the left. Viewport is set to "rendered" mode. As i understand on the right the light is visible, but it's source - is not. On ...
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2answers
27 views

Lights looking weird

I add light but what ı do its looks still pixel https://pasteboard.co/IH6dcFq.png I render with eevee. Why it's happening. https://pasteboard.co/IH7xBME.png These my nodes for wooden table.
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22 views

How do I render a GlossInd pass without all the extra planes on which the gloss actually is?

I am trying my hand at VFX/CGI so I need to use blender to render objects to composite into live-action footage in After Effects. This requires me to separate passes and render shadows and gloss etc. ...
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2answers
56 views

Laser scanning effect in EEVEE?

I am trying to create laser scanning light in EEVEE for fast animation rendering.           An example laser screening gate from Borderlands 2 This post ...
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0answers
22 views

Light Behind Texture (Transmission)

I have a model that uses a transmission texture. What the texture is suppose to do is when the lighting is behind the it, it will give the other side a somewhat glow effect as if the light traveled ...
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1answer
19 views

Grayed out object in the Scene Collection

For some reason, one of my two light objects has become gray and no longer appears in the scene. It has XYZ coordinates, but when I look for it I don't see it. How can I "un-gray" it so that it ...
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0answers
7 views

Why is only one character being influenced by light [duplicate]

I have two characters in my scene. They both have a skin texture. However, only one seems to want to have light reflected off of it. This is being rendered in EEVEE btw. Here are the nodes for each, ...
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0answers
22 views

A random surface seems to appear in my render but I cannot see it in 3d Viewport

Apologies, I'm a pretty novice user and I'm trying to render some artwork for my job quite quickly. I've created this set up with lots of objects emitting light and want one flat background to let ...
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0answers
11 views

Eevee - constrain fog to a sphere? [duplicate]

Ok, Im following https://www.youtube.com/watch?v=Rr8ezx1czwQ and https://www.youtube.com/watch?v=mLPuG2aE0fE exactly, and instead of a box of volume scatter I want a sphere. Putting the volume scatter ...
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20 views

World nodes dont seem to work in EEVEE

So it seems whenever i change from the specified views such as numpad 1 2 3 ect the world becomes blank but when i orbit on my own the effects go away. here are some pictures to show you what i mean. ...
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1answer
33 views

How can I move lights in Blender 2.8?

I am not able to move lights in Blender 2.8 in my MacOS. I place the light but I can't move it around, I've tried every key I could find.
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1answer
36 views

My model is not reflecting any light / looks dark

I was wondering if you could help me out... in the image I have 2 objs, the only difference between the two is that the one on the right is fully unwrapped while the one on the left is the default ...
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0answers
23 views

reflect light beam of disco ball EEVEE

I'm trying to make, what should think to be an easy job for blender, a disco mirror ball. And I want to have the beam of a spotlight reflect in to tiny beams of the ball...as it does in real life. I ...
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1answer
47 views

How to make an object emit light streaks

I'm new to Blender and VFX/3D in general, I'd like to know to make an object emit streaks specifically like the Legendary Pictures (2010) VFX logo.
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3answers
24 views

Prevent object from casting shadow in Eevee

How do? One answer says to set Shadow Mode to none in the settings of the material, but this doesn't work in this case for some reason. The light is spot.
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0answers
25 views

Blender 2.8 : How can I make lights blink according to music beats?

I have some some lights whose blinking I want to control with music beats. Is that even possible in blender? This is my node setup. (https://i.stack.imgur.com/VFCTd.jpg)
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1answer
20 views

Is there any way to prevent lights in linked files from behaving very differently?

This is a light setup to imitate sun coming in through beams in a large space. In the working file there is a lot more going on but this is enough to talk about the issue. I don't think the particular ...
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1answer
40 views

Light doesn't cast shadows!

I have a problem. I wanted to cast shadow on a cube. So I created a new file and added plane like this. Why doesn't the point cast shadow on cube?!
2
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1answer
43 views

Can CGI elements emit light when in real video? [duplicate]

Blender super noob here. Is it feasible to have, lets say, a neon sign made in Blender, emit light onto its surroundings when placed in a real life video?
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26 views

Help with fake rim light shader

Im trying to recreate this stylized rim light effect I found on twitter. https://twitter.com/mozuya_/status/1163003220190384128 https://twitter.com/mozuya_/status/1078781961945047040 The effect is ...
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1answer
47 views

End of the spotlight

I have some issues with the spotlight (Im using blender 2.8). Actually, I have a spotlight in top of a box. I want my spotlight to go throught the box (see inside) but I want to end it after the box. ...
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0answers
86 views

Use incoming light as a mask?

I'm making a shader for people that relies heavily on the ability to take incoming light and use it as a way of blending 2 materials. For Eevee, it works perfectly. Take a diffuse shader, plug it into ...
3
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2answers
514 views

Light turning on and off

I'm trying to make a little scene with a light turning off and on randomly, I tried adding a keyframe to the light power and applying a noise modifier. However the result is too "soft", I mean the ...
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1answer
32 views

Shadow darkness variations?

In my scene, I have one object that's casting a very pleasantly dark shadow (not too dark, not too bright), and on another object, the shadows seem to be much lighter... Is there anything I'm missing ...
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1answer
24 views

Object covering camera lense

In real life, when something is very close to the camera lense ,it will block the light , therefore the closests part of the object to the camera will leave dark areas,like this finger pushing ...
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1answer
30 views

Volumetric Scatter affected (Same file, different computers) CPU vs GPU

I've worked on a scene on my 2015 MacBook Pro and it looks great, but takes too long to render. I bought an RTX 2080 for my PC and the volumetric scatter is barely visible. Why is my RTX 2080 ...
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1answer
43 views

How to make light ray with Luxcore

I'm trying to make a realistic prism with Luxcore since yesterday but it's not really working, there's no ray! But I know that the prisme is working because if I put a plane in front of the prism I ...
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0answers
13 views

render problem with lightning

i have a problem with rendering light as when i use eevee i get smooth light but the object always get shadow as if the light is being casted from the camera not from the light which is inside the ...
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2answers
30 views

Light is not illuminating

I'm quite new to this but as I move the light around, it's not illuminating anything. The light is shown as below. As you can see it's all dark. The file is https://drive.google.com/drive/u/0/...
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0answers
28 views

Gloss independent from material color

I got basic object with basic purple/yellow material, and two colored light sources. The problem is: The gloss from the light color is affected by material color. Purple + orange, gives blue. Yellow + ...
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0answers
26 views

Unique light techniques needed for an animated music video in Blender 2.8

I'm working on an AMV in Blender 2.8 and I want a special form of lighting for certain lows and highs in the music track I'm using. Shown below is a concept created in Adobe Animate CC. Light ...
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1answer
27 views

How to achieve multiple emission color on one mesh..?

I tried a color ramp node but its not working i also tried to mix two emission shader with mix node but result is not desired.. Like in the image
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0answers
16 views

How can I set up light on cycles to accurately pass through multiple panels of glass?

Im trying to make a small cafe scene with a patisserie display in it. It takes place at night and one of the aspects I wanted to explore was to have it as bright fluorescent spot on the final render. ...
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0answers
27 views

How do I get black to stay black?

My intent is to have a black letter on a bright white background. I have played around with lighting, roughness, etc but I just can't get the clean colors I want - just these different shades of grey....
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1answer
53 views

Use HDRI without lighting the scene?

How do I use a world HDRI without lighting the scene? I only want it to appear in reflections (and maybe the background - not sure yet), but I want to manually light the scene with light objects. This ...
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0answers
38 views

Problem with color background in the render

I have a scene with a sunlight and a color background, but when I render the scene I have a blue scene. Its is who the light sun was blue, but the light in the preferences is white. I rendered the ...
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1answer
30 views

World colour is creating some fog like effect in eevee

I've been using blender internal for most of my projects. I got a project done in internal into EEVEE and the world colour created some fog like effect on the screen depicted below: The weird thing ...