title: Seams on edges of voxel chunk meshes
body: <p>I'm currently working on voxel terrain generation in Unity, and I've run into something annoying:</p>
  
  <p>From certain camera angles, you can see seams between the edges of chunk meshes, as pictured below:</p>
  
  <p><a href="https://i.stack.imgur.com/iAeGs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iAeGs.png" alt="enter image description here"></a></p>
  
  <p>What I know:</p>
  
  <ol>
  <li>This only occurs on the edge between two meshes.</li>
  <li>This is not being caused by texture bleeding (The textures are solid colors, so I'm using a very large amount of padding when setting up the UVs).</li>
  <li>The positions of all vertices and meshes are showing up as exact integers.</li>
  <li>Disabling anti-aliasing almost entirely fixes this (You can still see the occasional speck along the edge).</li>
  <li>I'm using Unity's default Standard shader.</li>
  </ol>
  
  <p>Can someone explain what's causing this, and whether there's a way to solve this other than disabling AA?</p>