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Layer Settings control which layers MegaWorld uses when it raycasts into the scene. This affects many workflows because most tools need a valid hit surface before they can place, erase, stamp, or edit anything.

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Core behavior

  • Paint Layers define the layer mask used for raycasts.

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Special case for terrain detail and terrain texture

When the current prototype type is:
  • Unity/Terrain Detail
  • Unity/Terrain Texture
MegaWorld uses the active Unity Terrain layer automatically. If there is no active Unity Terrain in the scene, the code warns that the terrain is missing and falls back to the stored paint layers.

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Why Layer Settings matter

If Layer Settings are wrong, tools can fail in ways that look unrelated:
  • brushes may not detect the surface;
  • stampers may not find the terrain;
  • edit tools may hit the wrong geometry;
  • precise tools may place on the wrong object.
If a tool suddenly stops hitting the scene correctly, check Layer Settings before changing anything else.