ChildVertex FoldVertex(TileVertex vert, Vector2 uv, bool opposite = false)
{
ChildVertex v = FoldVertex(vert, opposite);
v.uv = uv;
return(v);
}
ChildVertex FoldVertex(TileVertex vert, bool opposite = false)
{
Vector3 foldOffset = new Vector3(b.position.x - a.position.x, 0f, b.position.y - a.position.y).normalized *chunk.world.EdgeFoldWidth;
Vector3 axis = a.ground[dir][2].Position - a.ground[dir][3].Position;
float angle = Mathf.Atan2((b.Height - a.Height) * chunk.world.edgeFoldAngle, chunk.world.EdgeFoldWidth) * Mathf.Rad2Deg;
foldOffset = Quaternion.AngleAxis(angle, axis) * foldOffset * (opposite ? -1 : 1);
ChildVertex v = new ChildVertex(vert, foldOffset);
return(v);
}