diff --git a/cellular_automata/wa_tor.py b/cellular_automata/wa_tor.py index e423d1595bdb..f1578fab3b0c 100644 --- a/cellular_automata/wa_tor.py +++ b/cellular_automata/wa_tor.py @@ -352,11 +352,11 @@ def perform_prey_actions( For prey the rules are: 1. At each chronon, a prey moves randomly to one of the adjacent unoccupied - squares. If there are no free squares, no movement takes place. + squares. If there are no free squares, no movement takes place. 2. Once a prey has survived a certain number of chronons it may reproduce. - This is done as it moves to a neighbouring square, - leaving behind a new prey in its old position. - Its reproduction time is also reset to zero. + This is done as it moves to a neighbouring square, + leaving behind a new prey in its old position. + Its reproduction time is also reset to zero. >>> wt = WaTor(WIDTH, HEIGHT) >>> reproducable_entity = Entity(True, coords=(0, 1)) @@ -383,14 +383,14 @@ def perform_predator_actions( For predators the rules are: 1. At each chronon, a predator moves randomly to an adjacent square occupied - by a prey. If there is none, the predator moves to a random adjacent - unoccupied square. If there are no free squares, no movement takes place. + by a prey. If there is none, the predator moves to a random adjacent + unoccupied square. If there are no free squares, no movement takes place. 2. At each chronon, each predator is deprived of a unit of energy. 3. Upon reaching zero energy, a predator dies. 4. If a predator moves to a square occupied by a prey, - it eats the prey and earns a certain amount of energy. + it eats the prey and earns a certain amount of energy. 5. Once a predator has survived a certain number of chronons - it may reproduce in exactly the same way as the prey. + it may reproduce in exactly the same way as the prey. >>> wt = WaTor(WIDTH, HEIGHT) >>> wt.set_planet([[Entity(True, coords=(0, 0)), Entity(False, coords=(0, 1))]])