fix typo in shift syntax, explain why +y is down

develop
myk002 2022-02-16 16:40:40 -08:00 committed by Myk
parent f2865beb57
commit 0303e182a8
1 changed files with 5 additions and 2 deletions

@ -1011,10 +1011,13 @@ lines are all equivalent::
**Shifting blueprints**
Syntax: shift(<x shift>[,] <y shift>)
Syntax: shift(<x shift>[[,] <y shift>])
The values can be positive or negative. Negative values for x shift to the left,
positive to the right. Negative values for y shift up, positive down.
positive to the right. Negative values for y shift up, positive down. Note the
semantics for the y axis are opposite compared to regular graphs on paper. This
is because the y coordinates in the DF game map start a 0 at the top and
increase as they go down.
**Transforming blueprints**