{-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}
{-# LANGUAGE ExistentialQuantification, MultiParamTypeClasses, FlexibleInstances, StandaloneDeriving #-}
module FRP.Yampa.Point3 (
Point3(..),
point3X,
point3Y,
point3Z
) where
import FRP.Yampa.VectorSpace ()
import FRP.Yampa.AffineSpace
import FRP.Yampa.Vector3
import FRP.Yampa.Forceable
data Point3 a = RealFloat a => Point3 !a !a !a
deriving instance Eq a => Eq (Point3 a)
deriving instance Show a => Show (Point3 a)
point3X :: RealFloat a => Point3 a -> a
point3X (Point3 x _ _) = x
point3Y :: RealFloat a => Point3 a -> a
point3Y (Point3 _ y _) = y
point3Z :: RealFloat a => Point3 a -> a
point3Z (Point3 _ _ z) = z
instance RealFloat a => AffineSpace (Point3 a) (Vector3 a) a where
origin = Point3 0 0 0
(Point3 x y z) .+^ v =
Point3 (x + vector3X v) (y + vector3Y v) (z + vector3Z v)
(Point3 x y z) .-^ v =
Point3 (x - vector3X v) (y - vector3Y v) (z - vector3Z v)
(Point3 x1 y1 z1) .-. (Point3 x2 y2 z2) =
vector3 (x1 - x2) (y1 - y2) (z1 - z2)
instance RealFloat a => Forceable (Point3 a) where
force = id