Glide Reflection - Glide Reflection in Cellular Automata

Glide Reflection in Cellular Automata

Glide reflection is common in Conway's Game of Life. The four most common spaceships: the glider, LWSS, MWSS and HWSS all move using glide reflection. Every two iterations these spaceships appear to have been glide reflected to their new positions. Here is the evolution of the lightweight spaceship:

o . . o . . .
. . . . o . .
o . . . o . .
. o o o o . .
. . . . . . .
. . . . . . .
. . . o o . .
. o o . o o .
. o o o o . .
. . o o . . .
. . . . . . .
. . o o o o .
. o . . . o .
. . . . . o .
. o . . o . .
. . . o o . .
. . o o o o .
. . o o . o o
. . . . o o .
. . . . . . .

This then carries on glide reflecting in a similar manner.

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