Geom2D
data Point a
type DPoint
data Transform a
data Line a
data Polygon a
class AffineTransform a b
($*)
inverse
lineEquation
lineDistance
closestPoint
lineIntersect
vectorMag
vectorMagSquare
vectorAngle
dirVector
normVector
(^.^)
vectorCross
vectorDistance
interpolateVector
rotateScaleVec
flipVector
turnAround
rotateVec
rotate
rotate90L
rotate90R
translate
idTrans