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Add function for getting the x and y coordinates of the graph's center

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Robert Machmer 2015-12-24 00:40:50 +01:00
parent 6532d97cca
commit ebb82093fb
1 changed files with 7 additions and 0 deletions
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7
fd/Graph.lua
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@ -187,6 +187,13 @@ function Graph.new()
return minX, maxX, minY, maxY; return minX, maxX, minY, maxY;
end end
---
-- Returns the x and y coordinates of the graph's center.
--
function self:getCenter()
return ( ( maxX - minX ) * 0.5 ) + minX, ( ( maxY - minY ) * 0.5 ) + minY;
end
return self; return self;
end end