vect-0.4.0: A low-dimensional linear algebra library, tailored to computer graphics. Source code Contents Index

Data.Vect.Double.Util.Dim2

Synopsis

structVec2 :: [Double] -> [Vec2] destructVec2 :: [Vec2] -> [Double] det2 :: Vec2 -> Vec2 -> Double vec2X :: Vec2 vec2Y :: Vec2 translate2X :: Double -> Vec2 -> Vec2 translate2Y :: Double -> Vec2 -> Vec2 sinCos :: Double -> Vec2 sinCos' :: Double -> Normal2 sinCosRadius :: Double -> Double -> Vec2 angle2 :: Vec2 -> Double angle2' :: Normal2 -> Double rotMatrix2 :: Double -> Mat2 rotate2 :: Double -> Vec2 -> Vec2 rotateCCW :: Vec2 -> Vec2 rotateCW :: Vec2 -> Vec2

Documentation

structVec2 :: [Double] -> [Vec2] Source

example: structVec2 [1,2,3,4] = [ Vec2 1 2 , Vec2 3 4 ].

destructVec2 :: [Vec2] -> [Double] Source

det2 :: Vec2 -> Vec2 -> Double Source

vec2X :: Vec2 Source

vec2Y :: Vec2 Source

translate2X :: Double -> Vec2 -> Vec2 Source

translate2Y :: Double -> Vec2 -> Vec2 Source

sinCos :: Double -> Vec2 Source

unit vector with given angle relative to the positive X axis (in the positive direction, that is, CCW). A more precise name would be cosSin, but that sounds bad :)

sinCos' :: Double -> Normal2 Source

sinCosRadius Source

:: Double angle (in radians) -> Double radius -> Vec2

angle2 :: Vec2 -> Double Source

The angle relative to the positive X axis

angle2' :: Normal2 -> Double Source

rotMatrix2 :: Double -> Mat2 Source

Rotation matrix by a given angle (in radians), counterclockwise.

rotate2 :: Double -> Vec2 -> Vec2 Source

rotateCCW :: Vec2 -> Vec2 Source

Rotates counterclockwise by 90 degrees.

rotateCW :: Vec2 -> Vec2 Source

Rotates clockwise by 90 degrees.

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