Directions.h

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#ifndef Directions_h
#define Directions_h
 
//Main directional edges (cw from north)
#define N 0 //North
#define E 1 //East
#define S 2 //South
#define W 3 //West
 
//Secondary directional edges (diagonal cw from north)
#define N_E 4 //North East
#define S_E 5 //South East
#define S_W 6 //South West
#define N_W 7 //North West
 
#endif