21 lines
712 B
Haskell
21 lines
712 B
Haskell
module Meshparser where
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import Control.Applicative
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import Parser
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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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-> [(Float, Float)] -- ^ the resulting float tuple
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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 (Float, Float)
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parseVertice = liftA2 (,)
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(char 'v' *> spaces *> posFloat)
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(spaces *> posFloat)
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