24 lines
801 B
Haskell
24 lines
801 B
Haskell
module Meshparser where
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import Control.Applicative
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import Parser
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-- |The VTable is represented by a 'Double' tuple, 2-dimensional.
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type VTable = [(Double, Double)]
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-- | Convert a text String with multiple vertices into
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-- an array of float tuples.
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meshToArr :: String -- ^ the string to convert
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-> VTable -- ^ the resulting vertice table
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meshToArr xs = fmap (\(Just (x, _)) -> x) .
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filter (/= Nothing) .
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fmap (runParser parseVertice) .
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lines $
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xs
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-- | Creates a Parser that accepts a single vertice, such as 'v 1.0 2.0'.
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parseVertice :: Parser (Double, Double)
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parseVertice = liftA2 (,)
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(char 'v' *> spaces *> posDouble)
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(spaces *> posDouble)
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