Finalize and allow drawing

This commit is contained in:
2014-10-01 00:05:29 +02:00
parent 9ede6aecc0
commit 7cd62975af
5 changed files with 84 additions and 9 deletions

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@@ -3,18 +3,21 @@ module Meshparser where
import Control.Applicative
import Parser
-- |The VTable is represented by a 'Double' tuple, 2-dimensional.
type VTable = [(Double, Double)]
-- | Convert a text String with multiple vertices into
-- an array of float tuples.
meshToArr :: String -- ^ the string to convert
-> [(Float, Float)] -- ^ the resulting float tuple
meshToArr xs = fmap (\(Just (x, _)) -> x) .
meshToArr :: String -- ^ the string to convert
-> VTable -- ^ the resulting vertice table
meshToArr xs = fmap (\(Just (x, _)) -> x) .
filter (/= Nothing) .
fmap (runParser parseVertice) .
lines $
xs
-- | Creates a Parser that accepts a single vertice, such as 'v 1.0 2.0'.
parseVertice :: Parser (Float, Float)
parseVertice :: Parser (Double, Double)
parseVertice = liftA2 (,)
(char 'v' *> spaces *> posFloat)
(spaces *> posFloat)
(char 'v' *> spaces *> posDouble)
(spaces *> posDouble)