Pianola.Geometry

Documentation

type Interval = (Int, Int)

type Point1d = Int

inside1d :: Interval -> Point1d -> Bool

before1d :: Interval -> Point1d -> Bool

after1d :: Interval -> Point1d -> Bool

type Point2d = (Int, Int)

(x,y)

type Dimensions2d = (Int, Int)

(width,height)

mid :: Interval -> Point1d

class Geometrical g where

Class of objects with rectangular shape and located in a two-dimensional plane.

Methods

nwcorner :: g -> Point2d

Position of the north-west corner.

dimensions :: g -> Dimensions2d

width :: g -> Int

height :: g -> Int

minX :: g -> Int

midX :: g -> Int

minY :: g -> Int

midY :: g -> Int

xband :: g -> Interval

yband :: g -> Interval

area :: g -> Int

midpoint :: g -> Point2d

Instances

ComponentLike c => Geometrical (c m)

sameLevelRightOf :: (Geometrical g1, Geometrical g2) => g1 -> g2 -> Bool

True if the second object is roughly at the same height and to the right of the first object.