Clarify the Black Box rules slightly.

Chris Boyle points out that two of the rules are implicitly intended
to be read as only applying if a previous rule hadn't already decided
what would happen, and suggested that since not all readers infer that
priority order, it would be better to explicitly make them mutually
exclusive so that there can be no confusion about which one applies.
This commit is contained in:
Simon Tatham
2016-10-30 17:59:13 +00:00
parent 3ce69e84ca
commit 5123b1bf68

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@ -1553,11 +1553,11 @@ affected by balls in one of the following ways:
re-emerge. This includes beams that meet a ball on the first rank re-emerge. This includes beams that meet a ball on the first rank
of the arena. of the arena.
\b A beam with a ball to its front-left square gets deflected 90 degrees \b A beam with a ball in its front-left square and no ball ahead of it
to the right. gets deflected 90 degrees to the right.
\b A beam with a ball to its front-right square gets similarly deflected \b A beam with a ball in its front-right square and no ball ahead of
to the left. it gets similarly deflected to the left.
\b A beam that would re-emerge from its entry location is considered to be \b A beam that would re-emerge from its entry location is considered to be
\q{reflected}. \q{reflected}.