Wumpus.Core.AffineTrans

Affine transformations

Type classes

class Rotate t where

Methods

rotate :: Radian -> t -> t

Instances

(Floating a, Real a) => Rotate (Point2 a)

(Floating a, Real a) => Rotate (Vec2 a)

(Floating u, Real u) => Rotate (Picture u)

class RotateAbout t where

Methods

rotateAbout :: Radian -> Point2 (DUnit t) -> t -> t

Instances

(Floating a, Real a) => RotateAbout (Point2 a)

(Floating a, Real a) => RotateAbout (Vec2 a)

(Floating u, Real u) => RotateAbout (Picture u)

class Scale t where

Methods

scale :: DUnit t -> DUnit t -> t -> t

Instances

Num u => Scale (Point2 u)

Num u => Scale (Vec2 u)

(Num u, Ord u) => Scale (BoundingBox u)

(Num u, Ord u) => Scale (Picture u)

class Translate t where

Methods

translate :: DUnit t -> DUnit t -> t -> t

Instances

Num u => Translate (Point2 u)

translate x y.

Num u => Translate (Vec2 u)

(Num u, Ord u) => Translate (Picture u)

Common rotations

rotate30 :: Rotate t => t -> t

rotate30About :: (RotateAbout t, DUnit t ~ u) => Point2 u -> t -> t

rotate45 :: Rotate t => t -> t

rotate45About :: (RotateAbout t, DUnit t ~ u) => Point2 u -> t -> t

rotate60 :: Rotate t => t -> t

rotate60About :: (RotateAbout t, DUnit t ~ u) => Point2 u -> t -> t

rotate90 :: Rotate t => t -> t

rotate90About :: (RotateAbout t, DUnit t ~ u) => Point2 u -> t -> t

rotate120 :: Rotate t => t -> t

rotate120About :: (RotateAbout t, DUnit t ~ u) => Point2 u -> t -> t

Common scalings

uniformScale :: (Scale t, DUnit t ~ u) => u -> t -> t

reflectX :: (Num u, Scale t, DUnit t ~ u) => t -> t

reflectY :: (Num u, Scale t, DUnit t ~ u) => t -> t

Translate by a vector

translateBy :: (Translate t, DUnit t ~ u) => Vec2 u -> t -> t

Reflections in supplied plane rather than about the origin

reflectXPlane :: (Num u, Scale t, Translate t, u ~ DUnit t) => Point2 u -> t -> t

Reflect in the X plane that intersects the supplied point.

reflectYPlane :: (Num u, Scale t, Translate t, u ~ DUnit t) => Point2 u -> t -> t

Reflect in the Y plane that intersects the supplied point.