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Decals

A decal is a material projection on the surface. In fact, decals perform changing material parameters of the surface on which these decals are projected. It allows you to add a lot of additional details at basically no performance cost. Decals are rendered in buffers (they change buffer textures) and work only with deferred objects. A decal is a perfect object for bullet holes, bloodstains, ashes, etc.

Decals support two materials only: decal_base and decal_terrain_hole_base. While the behavior of decals with the first material applied is similar to detail textures of the material, the second type of decals is intended for creating Decal-Based Terrain Holes.

By using Water Decal option, decals can be displayed on the top of the water surface. This option can be used to create different effects on the water surface: floating branches, leaves, etc.

Projected Decal with normal map.

Types of Decals#

UNIGINE features the following types of decals:

  •   Orthographic Decal is a decal projected onto a surface by means of orthographic projection.
  •   Projected Decal is a decal projected onto a surface by means of the perspective projection.
  •   Mesh Decal is a decal based on the arbitrary.mesh file and projected onto a surface by means of the orthographic projection.

See Also

Last update: 17.01.2019