Data.Cross

Cross products and normals

Documentation

class HasNormal v where

Thing with a normal vector (not necessarily normalized).

Methods

normalVec :: v -> v

Instances

(Num s, VectorSpace s, HasBasis s, HasTrie (Basis s), HasNormal (:> (Two s) (Three s))) => HasNormal (Three (:> (Two s) s))

(Basis s ~ (), Num s, VectorSpace s, HasBasis s, HasTrie (Basis s)) => HasNormal (Two (:> (One s) s))

(Basis s ~ (), Num s, HasTrie (Basis (s, s)), HasBasis s) => HasNormal (:> (Two s) (Three s))

(Basis s ~ (), HasBasis s, HasTrie (Basis s)) => HasNormal (:> (One s) (Two s))

normal :: (HasNormal v, InnerSpace v, Floating (Scalar v)) => v -> v

Normalized normal vector. See also cross.

type One s = s

Singleton

type Two s = (s, s)

Homogeneous pair

type Three s = (s, s, s)

Homogeneous triple

class HasCross2 v where

Cross product of various forms of 2D vectors

Methods

cross2 :: v -> v

Instances

AdditiveGroup u => HasCross2 (u, u)

(HasBasis a, HasTrie (Basis a), VectorSpace v, HasCross2 v) => HasCross2 (:> a v)

class HasCross3 v where

Cross product of various forms of 3D vectors

Methods

cross3 :: v -> v -> v

Instances

(HasBasis a, HasTrie (Basis a), VectorSpace v, HasCross3 v) => HasCross3 (:> a v)

Num s => HasCross3 (s, s, s)