Geom2d.Point

Documentation

class Point p where

Methods

x :: p a -> a

y :: p a -> a

fromCoords :: a -> a -> p a

Instances

Point Point'

data Point' a

Instances

Functor Point'

Rotation Point'

Point Point'

Scale Point'

Translate Point'

Distance Point' Point'

Eq a => Eq (Point' a)

(Eq a, Num a, Fractional a, RealFloat a) => Num (Point' a)

Read a => Read (Point' a)

Show a => Show (Point' a)

Arbitrary a => Arbitrary (Point' a)

(Num a, AEq a, RealFloat a) => AEq (Point' a)

Eq a => Intersect (Point' a) (Point' a)

type Triangle p = (p, p, p)

class Scale p where

Methods

scale :: Num a => a -> p a -> p a

Instances

Scale Point'

normalize :: (Scale p, Point p, Fractional a, Eq a, Floating a) => p a -> Maybe (p a)

Normalizes a scaleable point to length 1.

magnitude :: (Point p, Floating a, Num a) => p a -> a

dot :: (Num a, Point p) => p a -> p a -> a infixl 7

cross :: (Num a, Point p) => p a -> p a -> a infixl 7

triArea :: (Point p, Num (p a), Fractional a) => Triangle (p a) -> a

pointInTriangle :: (Eq (p a), Num (p a), Fractional a, Point p, Ord a) => Triangle (p a) -> p a -> Bool