Questions tagged [lightmap]

The result of an optimization technique that involves prebaking all static lighting and shadows and then applying it as an additive layer on top of static geometry at run time.

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Resolution problems with global illumination in Unity

I am pretty new to Unity and after hours of searching I have finally figured out how to set everything up for (baked) global illumination to work for my model. However the model is an export from a ...
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Setting up Lightprobes

Moving around lightprobes requires using the movetool and all you really can do is move them along global axes and copy paste. There are no functions to scale, rotate, Snap to a surface, not even ...
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Lightmapper artifacts

I really don't understand why this is creating these kinds of artifacts. I'm starting to think something is wrong with Unity. There are clearly no overlapping faces on the Model. There is enough of a ...
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How to import a texture to be used as occlusion map?

The same way normal maps need to be imported as "Normal map" in the import settings, how should I setup an Ambient Occlusion texture to correctly work? I've been searching around in the manual and ...
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Errors when baking lights in unity3d

So, i'm developing a game in unity and avoided baking lightmaps untill now ( i just assembled my new workstation setup wich is capable of baking the lightmaps and not the computer ). And now i have ...
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Lighting, shader and GI is messing up the materials in Unity3D

Hello Guys I am not very sound with Unity3D Lightmapping. Currently I have a set of low poly items in my scene. Textures on my models are getting washed out. They totally look absurd. here is a ...
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177 views

Combine diffuse map and lightmap into one texture file

Working with Unity, I'd like to do some more memory optimization. Currently, my 3D models have a diffuse texture and a lightmap, both at the same resolution and compression. I was wondering if there ...
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Why do I get white highlights at the edge once light build complete?

Whenever I build my lights in Unreal, why do I always get white highlights at the edges? I can't seem to solve this. I get this problem with both static and stationary lights. Can someone please help? ...
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What variables change the number of lightmaps

I need to know what changes the lightmap size. For example what changes the lightmap from being 2*1024*1024 to 4*1024*1024 - having larger textures or having larger quads (having more models) or ...
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279 views

Blending Lightmaps and Dynamic Texture Shadows in HLSL/GLSL

I'm using Gile[s] as my lightmapper and my engine can execute GLSL/HLSL scripts. I would like to accomplish something like this for performance reasons. I was told that this technique can only be ...
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59 views

Trouble with Lightmaps When Meshes Intersect

I've been working on making lightmaps for a game on mobile devices (meaning that individual texture sizes cannot exceed 2048 and that file size needs to be as small as possible), but I'm running into ...
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112 views

in unity, lightmap comes out blurry on android device

as you see, shadow is blurred. (see the tree's shadow) What settings should I add?
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Blender-Unity (+ Lightmaps): Can I (should I?) have multiple UV maps for a single mesh?

I am making a game that I worry is not running optimally due to lots of high-res textures. The irony is that most scene assets use the same materials but I have to (do I?) unwrap the entire mesh on a ...
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90 views

Unity light baking out of memory

I have a problem where whenever I try to bake the light in my scene I get this error after a while: ...
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How to do Colored Lights in CIE XYZ/LUV-like Space?

I've a 2d background, some sprites, blitted onto it. And over all that in the final pass I draw colored lights, to make projectiles look cooler. Basically I apply a classic lightmap, which is colored ...
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Do meshes marked “shadows only” require light maps to block light?

I want to use an .fbx mesh to block light from entering a room (except for holes cut for windows). The mesh itself must stay invisible. I know marking it "shadows only" will hide it from the camera, ...
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How to do lighting for endless runner game?

I have been working on a endless runner game for a month now and have to do basic lighting. In my game Player moves forward and world is being generated according to player position. So the positions ...
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1answer
102 views

Baking lights causes weird seams on meshes. How to avoid it?

I'm trying to bake lightning in the simple scene with some imported geometry. The result is weird seams near the edges of the meshes even there is no free space between them. How to avoid it and just ...
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248 views

How to generate Normal Maps from Lighting Profiles?

How might I go about generating a normal map from a lighting profile(light map)? I saw "Sprite Lamp" however, if possible, if there is some sort of math I can do myself to convert a lighting profile ...
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136 views

Weird squares everywhere

So in unity I have some weird squares on surfaces of certain objects, which are buildings represented by planes: I don't know what causes it, I tried changing some settings in lighting and material,...