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Programming-Idioms

History of Idiom 179 > diff from v1 to v2

Edit summary for version 2 by steenslag:
New Ruby implementation by user [steenslag]
↷

Version 1

2019-01-08, 17:32:39

Version 2

2019-01-11, 16:52:52

Idiom #179 Get center of a rectangle

Return the center c of the rectangle with coördinates(x1,y1,x2,y2)

Idiom #179 Get center of a rectangle

Return the center c of the rectangle with coördinates(x1,y1,x2,y2)

Code 
Point = Struct.new(:x, :y)

Rect  = Struct.new(:x1, :y1, :x2, :y2) do
  def center  #returns a Point
    Point.new((x1+x2)/2.0, (y1+y2)/2.0)
  end
end

c = Rect.new(0,0,2,5).center
Comments bubble
Ruby has no predefined Point or Rect class. This code returns: <struct Point x=1.0, y=2.5>