module Graphics.Formats.STL.Types where

import Data.Text (Text)

-- | A representation of an STL file, consisting of a (possibly empty)
-- object name, and a list of triangles.
data STL = STL { name :: Text
               , triangles :: [Triangle]
               }

-- | A single triangle in STL is represented by a normal vector and
-- three vertices.
data Triangle = Triangle { normal :: Vector
                         , vertices :: (Vector, Vector, Vector)
                         }

type Vector = (Double, Double, Double)

triple :: a -> a -> a -> (a, a, a)
triple a b c = (a, b, c)