Grouping Shapes
DecalGroups
- DecalGroup extends OrderedGroup and
renders children in order
- Children must be co-planar
- All polygons must be facing the same way
- First child is the underlying surface
- The underlying surface must encompass all other children
- Use for rendering decal geometry
- Text
- Texture Decals
(eg, insignia on an airplane wing)
- Good for avoiding Z-fighting artifacts
