Documentation

data Dir2d Source #

new :: Double -> Double -> Acquire (Ptr Dir2d) Source #

getX :: Ptr Dir2d -> IO Double Source #

getY :: Ptr Dir2d -> IO Double Source #

setX :: Ptr Dir2d -> Double -> IO () Source #

setY :: Ptr Dir2d -> Double -> IO () Source #

isEqual :: Ptr Dir2d -> Ptr Dir2d -> Double -> IO Bool Source #

isOpposite :: Ptr Dir2d -> Ptr Dir2d -> Double -> IO Bool Source #

isNormal :: Ptr Dir2d -> Ptr Dir2d -> Double -> IO Bool Source #

isParallel :: Ptr Dir2d -> Ptr Dir2d -> Double -> IO Bool Source #

angle :: Ptr Dir2d -> Ptr Dir2d -> IO Double Source #

crossed :: Ptr Dir2d -> Ptr Dir2d -> IO Double Source #

dot :: Ptr Dir2d -> Ptr Dir2d -> IO Double Source #

reverse :: Ptr Dir2d -> IO () Source #

reversed :: Ptr Dir2d -> Acquire (Ptr Dir2d) Source #

mirror :: Ptr Dir2d -> Ptr Dir2d -> IO () Source #

mirrored :: Ptr Dir2d -> Ptr Dir2d -> Acquire (Ptr Dir2d) Source #

mirrorAboutAx2d :: Ptr Dir2d -> Ptr Ax2d -> IO () Source #

mirroredAboutAx2d :: Ptr Dir2d -> Ptr Ax2d -> Acquire (Ptr Dir2d) Source #

rotate :: Ptr Dir2d -> CDouble -> IO () Source #

rotated :: Ptr Dir2d -> Double -> Acquire (Ptr Dir2d) Source #

transform :: Ptr Dir2d -> Ptr Trsf2d -> IO () Source #

transformed :: Ptr Dir2d -> Ptr Trsf2d -> Acquire (Ptr Dir2d) Source #