Decal Projections
From CryWiki
Decals have 4 different projection types, numbered from 0 to 3. They control how the decal is displayed in relation to its surrondings and location.
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Projection 0
The decal will be displayed in the exact same position in space as where you placed the center of the object.
Projection 0 causes this decal to float in mid-air
Projection 1
The Decal will be projected onto the geometry of an object in the level. It will be projected along the opposite direction to the blue Z axis.
Projection 2
The decal will be projected directly on to the terrain of your level.
Projection 3
This projection type is a combination of projection type 2 and 3. The decal will be displayed on both the terrain and the surrounding objects.
Changing the Projection
To change the projection, select the decal and change the value in the ProjectionType field in the Decal Params section.
