Dyna.Gloss.Data.Vec

Documentation

data Vec

Pair of unboxed floats. All operations on vectors are strict which is more suitable for computation intensive domains such as computer graphics.

Constructors

Vec

Fields

• vec'x :: !Float
• vec'y :: !Float

Instances

Eq Vec

Defined in Dyna.Gloss.Data.Vec

Methods

(==) :: Vec -> Vec -> Bool

(/=) :: Vec -> Vec -> Bool

Fractional Vec

Defined in Dyna.Gloss.Data.Vec

Methods

(/) :: Vec -> Vec -> Vec

recip :: Vec -> Vec

fromRational :: Rational -> Vec

Num Vec

Defined in Dyna.Gloss.Data.Vec

Methods

(+) :: Vec -> Vec -> Vec

(-) :: Vec -> Vec -> Vec

(*) :: Vec -> Vec -> Vec

negate :: Vec -> Vec

abs :: Vec -> Vec

signum :: Vec -> Vec

fromInteger :: Integer -> Vec

Ord Vec

Defined in Dyna.Gloss.Data.Vec

Methods

compare :: Vec -> Vec -> Ordering

(<) :: Vec -> Vec -> Bool

(<=) :: Vec -> Vec -> Bool

(>) :: Vec -> Vec -> Bool

(>=) :: Vec -> Vec -> Bool

max :: Vec -> Vec -> Vec

min :: Vec -> Vec -> Vec

Show Vec

Defined in Dyna.Gloss.Data.Vec

Methods

showsPrec :: Int -> Vec -> ShowS

show :: Vec -> String

showList :: [Vec] -> ShowS

AdditiveGroup Vec

Defined in Dyna.Gloss.Data.Vec

Methods

zeroV :: Vec

(^+^) :: Vec -> Vec -> Vec

negateV :: Vec -> Vec

(^-^) :: Vec -> Vec -> Vec

VectorSpace Vec

Defined in Dyna.Gloss.Data.Vec

Associated Types

type Scalar Vec

Methods

(*^) :: Scalar Vec -> Vec -> Vec

AffineSpace Vec

Defined in Dyna.Gloss.Data.Vec

Associated Types

type Diff Vec

Methods

(.-.) :: Vec -> Vec -> Diff Vec

(.+^) :: Vec -> Diff Vec -> Vec

HasCross2 Vec

Defined in Dyna.Gloss.Data.Vec

Methods

cross2 :: Vec -> Vec

HasNormal Vec

Defined in Dyna.Gloss.Data.Vec

Methods

normalVec :: Vec -> Vec

BasisArity Vec

Defined in Dyna.Gloss.Data.Vec

Methods

basisArity :: Vec -> Int

HasBasis Vec

Defined in Dyna.Gloss.Data.Vec

Associated Types

type Basis Vec

Methods

basisValue :: Basis Vec -> Vec

decompose :: Vec -> [(Basis Vec, Scalar Vec)]

decompose' :: Vec -> Basis Vec -> Scalar Vec

type Scalar Vec

Defined in Dyna.Gloss.Data.Vec

type Scalar Vec = Float

type Diff Vec

Defined in Dyna.Gloss.Data.Vec

type Diff Vec = Vec

type Basis Vec

Defined in Dyna.Gloss.Data.Vec

type Basis Vec = VecBasis

magV :: Vec -> Float

The magnitude of a vector.

argV :: Vec -> Float

The angle of this vector, relative to the +ve x-axis.

dotV :: Vec -> Vec -> Float

The dot product of two vectors.

detV :: Vec -> Vec -> Float

The determinant of two vectors.

mulSV :: Float -> Vec -> Vec

Multiply a vector by a scalar.

rotateV :: Float -> Vec -> Vec

Rotate a vector by an angle (in radians). +ve angle is counter-clockwise.

angleVV :: Vec -> Vec -> Float

Compute the inner angle (in radians) between two vectors.

normalizeV :: Vec -> Vec

Normalise a vector, so it has a magnitude of 1.

unitVecAtAngle :: Float -> Vec

Produce a unit vector at a given angle relative to the +ve x-axis. The provided angle is in radians.

e :: Float -> Vec

Shortcut for unitVecAtAngle

data VecBasis

Constructors

VecX

VecY

fromTuple :: (Float, Float) -> Vec

Converts tuple of floats to vector

toTuple :: Vec -> (Float, Float)

Converts vector to tuple of Floats