hcg-minus-0.15: haskell cg (minus)
Data.CG.Minus.Arrow
Description
Arrows
Synopsis
arrow_coord :: Ln R -> R -> R -> (Pt R, Pt R) Source
Given the arrow body Ln and the arrow length and arrow angle (in radians) R calculate the Pt of each arrow tip.
Ln
R
Pt
arrow_coord (Ln (Pt 0 0) (Pt 1 1)) 0.1 (pi/9)