hgeometry-0.8.0.0: Geometric Algorithms, Data structures, and Data types.

Copyright	(C) Frank Staals
License	see the LICENSE file
Maintainer	Frank Staals
Safe Haskell	None
Language	Haskell2010

Graphics.Camera

Description

Description : Data type to represent a camera and some functions for working with it.

Synopsis

data Camera r = Camera !(Point 3 r) !(Vector 3 r) !(Vector 3 r) !r !r !r !(Vector 2 r)
cameraPosition :: forall r. Lens' (Camera r) (Point 3 r)
rawCameraNormal :: forall r. Lens' (Camera r) (Vector 3 r)
rawViewUp :: forall r. Lens' (Camera r) (Vector 3 r)
viewPlaneDepth :: forall r. Lens' (Camera r) r
nearDist :: forall r. Lens' (Camera r) r
farDist :: forall r. Lens' (Camera r) r
screenDimensions :: forall r. Lens' (Camera r) (Vector 2 r)
cameraNormal :: Floating r => Lens' (Camera r) (Vector 3 r)
viewUp :: Floating r => Lens' (Camera r) (Vector 3 r)
cameraTransform :: Fractional r => Camera r -> Transformation 3 r
worldToView :: Fractional r => Camera r -> Transformation 3 r
toViewPort :: Fractional r => Camera r -> Transformation 3 r
perspectiveProjection :: Fractional r => Camera r -> Transformation 3 r
rotateCoordSystem :: Num r => Camera r -> Transformation 3 r
flipAxes :: Num r => Transformation 3 r

Documentation

data Camera r Source #

defines a basic camera

Constructors

Camera !(Point 3 r) !(Vector 3 r) !(Vector 3 r) !r !r !r !(Vector 2 r)

Instances

Eq r => Eq (Camera r) Source #
Instance details Defined in Graphics.Camera Methods (==) :: Camera r -> Camera r -> Bool # (/=) :: Camera r -> Camera r -> Bool #
Ord r => Ord (Camera r) Source #
Instance details Defined in Graphics.Camera Methods compare :: Camera r -> Camera r -> Ordering # (<) :: Camera r -> Camera r -> Bool # (<=) :: Camera r -> Camera r -> Bool # (>) :: Camera r -> Camera r -> Bool # (>=) :: Camera r -> Camera r -> Bool # max :: Camera r -> Camera r -> Camera r # min :: Camera r -> Camera r -> Camera r #
Show r => Show (Camera r) Source #
Instance details Defined in Graphics.Camera Methods showsPrec :: Int -> Camera r -> ShowS # show :: Camera r -> String # showList :: [Camera r] -> ShowS #

cameraPosition :: forall r. Lens' (Camera r) (Point 3 r) Source #

rawCameraNormal :: forall r. Lens' (Camera r) (Vector 3 r) Source #

rawViewUp :: forall r. Lens' (Camera r) (Vector 3 r) Source #

viewPlaneDepth :: forall r. Lens' (Camera r) r Source #

nearDist :: forall r. Lens' (Camera r) r Source #

farDist :: forall r. Lens' (Camera r) r Source #

screenDimensions :: forall r. Lens' (Camera r) (Vector 2 r) Source #

cameraNormal :: Floating r => Lens' (Camera r) (Vector 3 r) Source #

Lens to get and set the Camera normal, makes sure that the vector remains normalized.

viewUp :: Floating r => Lens' (Camera r) (Vector 3 r) Source #

Lens to get and set the viewUp vector. Makes sure the vector remains normalized.

cameraTransform :: Fractional r => Camera r -> Transformation 3 r Source #

Full transformation that renders the figure

worldToView :: Fractional r => Camera r -> Transformation 3 r Source #

Translates world coordinates into view coordinates

toViewPort :: Fractional r => Camera r -> Transformation 3 r Source #

Transformation into viewport coordinates

perspectiveProjection :: Fractional r => Camera r -> Transformation 3 r Source #

constructs a perspective projection

rotateCoordSystem :: Num r => Camera r -> Transformation 3 r Source #

Rotates coordinate system around the camera, such that we look in the negative z direction

flipAxes :: Num r => Transformation 3 r Source #

Flips the y and z axis.