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Has overlapping UVs Unity?
The UV overlaps that Unity warn about refer to charts/islands that are too close together in the discrete lightmap, i.e. separate charts that sample from same texels. This means that you can pass in a UV layout without overlaps, and the warning may still fire if the final lightmap has charts that are too close.
What is UV overlapping?
Overlapping UVs are when the islands are all layed out on top of one another rather than sprawled out in a single layer.
Is overlapping UVs bad?
There’s nothing wrong with UV maps overlapping. Depending on what you’re looking to unwrap, you may wish to use Cube Projection, Sphere Projection or Cylinder Projection instead of simply UV unwrapping by default. You can find these options below “Unwrap” in the “UV” dropdown. You may also wish to use Smart UV Unwrap.
Is there a way to map textures with Uvs?
The UV Editor window provides several texture mapping tools to help you get the position, orientation, and size just right. Tip: Before you start to manually edit UVs, delete any hidden faces. This helps simplify the UV unwrapping process, because it simplifies the complexity of the UV elements that appear in the UV Editor.
Why are my textures blurry in Unity3D?
Unity Blurry Textures – Mipmap Bias Guide Blurry textures when viewing objects at a distance are caused by mipmaps. However without mipmaps objects may appear visually worse as well as being worse for rendering performance. This guide explains how to control the blurriness of Unity texture mipmaps without needing to disable mipmaps completely.
What can you do about UV overlap in Unity?
Increase the resolution of a single GameObject. This allows you to increase lightmap resolution only for GameObjects that have overlapping UVs. Though less likely, this can also increase your lightmap size.
Why do I get overlapping lightmap in Unity?
But even when you have made sure that it is 100% properly unwrapped, there may be other reasons. i.e. the way unity constructs the lightmap. Try either increasing your lightmap padding in unity, or the UV padding in the 3d software you use.