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arb:: commented arb::shape

This commit is contained in:
Zeno Rogue 2021-07-23 14:18:39 +02:00
parent d2fdfc02ea
commit 6540c9968c
1 changed files with 13 additions and 0 deletions
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arbitrile.cpp
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@ -30,19 +30,32 @@ struct connection_t {
inline void print(hstream& hs, const connection_t& conn) { print(hs, tie(conn.sid, conn.eid, conn.mirror)); }
/** \brief each shape of the arb tessellation
* note: the usual HyperRogue convention is: vertex 0, edge 0, vertex 1, edge 1, ...
* note: the tesfile convention is: edge 0, vertex 0, edge 1, vertex 1, ...
*/
struct shape {
/** index in the arbi_tiling::shapes */
int id;
/** flags such as sfLINE and sfPH */
int flags;
/** list of vertices in the usual convention */
vector<hyperpoint> vertices;
/** list of vertices in the tesfile convention */
vector<ld> angles;
/** list of edge lengths */
vector<ld> edges;
/** list of edge connections */
vector<connection_t> connections;
int size() const { return isize(vertices); }
void build_from_angles_edges();
vector<pair<int, int> > sublines;
vector<pair<ld, ld>> stretch_shear;
int repeat_value;
/** if a tile/edge combination may be connected to edges j1 and j2 of this, j1-j2 must be divisible by cycle_length */
int cycle_length;
/** list of valences of vertices in the tesfile convention */
vector<int> vertex_valence;
};