internal void Flip() {
if ((this.Flags & FaceTypeMask) == FaceTypeQuadStrip) {
for (int i = 0; i < this.Vertices.Length; i += 2) {
MeshFaceVertex x = this.Vertices[i];
this.Vertices[i] = this.Vertices[i + 1];
this.Vertices[i + 1] = x;
}
} else {
int n = this.Vertices.Length;
for (int i = 0; i < (n >> 1); i++) {
MeshFaceVertex x = this.Vertices[i];
this.Vertices[i] = this.Vertices[n - i - 1];
this.Vertices[n - i - 1] = x;
}
}
}
internal const int FaceTypeMask = 7;