Tootsville::+Facing-Angles+

Variable

The eight cardinal directions, mapped to angles in radians.

See TOOTSVILLE INTERPRET-FACING.

Would be a constant, except for issues with making hash-table constants.

Its value is the hash table:

N

0

NE

0.7853981633974483d0

E

1.5707963267948966d0

SE

2.356194490192345d0

S

3.141592653589793d0

SW

3.9269908169872414d0

W

4.71238898038469d0

NW

5.497787143782138d0