Smoothing Meshes

Within each mesh face there can exist multiple facets 小平面

The number of facets within each face increases with higher levels of smoothness

All faces have the same number of facets

Smoothness

Level 1

all faces are divided into a matrix of 2 x 2 facets for 4 facets per face

Level 2

creates a 4 x 4 matrix of facets for 16 facets per face

Level 0

sets each face to only one facet