ol-ext

Class: HexGrid

ol. HexGrid

ol.HexGrid is a class to compute hexagonal grids

new HexGrid( [options])

Hexagonal grids

Parameters:
Name Type Argument Description
options Object <optional>
Properties
Name Type Argument Description
size number <optional>

size of the exagon in map units, default 80000
origin ol.Coordinate <optional>

orgin of the grid, default [0,0]
layout HexagonLayout <optional>

grid layout, default pointy
See:

Extends

  • ol.Object

Members

layout

Grid layout

Methods

coord2hex(coord)

Convert coord to hex

Parameters:
Name Type Description
coord ol.Coordinate
Returns:
Type
ol.hex

cube2hex(c)

Convert cube to axial coords

Parameters:
Name Type Description
c ol.Coordinate

cube coordinate
Returns:

axial coordinate

Type
ol.Coordinate

cube2offset(c)

Convert offset to cube coords

Parameters:
Name Type Description
c ol.Coordinate

cube coordinate
Returns:

offset coordinate

Type
ol.Coordinate

cube_distance(a, a)

Calculate distance between to hexagon (number of cube)

Parameters:
Name Type Description
a ol.Coordinate

first cube coord
a ol.Coordinate

second cube coord
Returns:

distance

Type
number

cube_line(a, b)

Calculate line between to hexagon

Parameters:
Name Type Description
a ol.Coordinate

first cube coord
b ol.Coordinate

second cube coord
Returns:

array of cube coordinates

Type
Array.<ol.Coordinate>

cube_neighbors(c, direction)

Get the neighbors for an hexagon

Parameters:
Name Type Description
c ol.Coordinate

cube coord
direction number
Returns:

neighbor || array of neighbors

Type
ol.Coordinate | Array.<ol.Coordinate>

cube_round(h)

Round cube coords

Parameters:
Name Type Description
h ol.Coordinate

cube coordinate
Returns:

rounded cube coordinate

Type
ol.Coordinate

getHexagon(hex)

Get hexagon coordinates at hex

Parameters:
Name Type Description
hex ol.Coordinate
Returns:
Type
Arrary.<ol.Coordinate>

getHexagonAtCoord(coord)

Get hexagon coordinates at a coordinate

Parameters:
Name Type Description
coord ol.Coordinate
Returns:
Type
Arrary.<ol.Coordinate>

getLayout()

Get layout

Returns:

layout name

Type
HexagonLayout

getOrigin()

Get hexagon origin

Returns:

coord origin

Type
ol.Coordinate

getSize()

Get hexagon size

Returns:

hexagon size

Type
number

hex2coord(hex)

Convert hex to coord

Parameters:
Name Type Description
hex ol.hex
Returns:
Type
ol.Coordinate

hex2cube(h)

Convert axial to cube coords

Parameters:
Name Type Description
h ol.Coordinate

axial coordinate
Returns:

cube coordinate

Type
ol.Coordinate

hex2offset(h)

Convert offset to axial coords

Parameters:
Name Type Description
h ol.Coordinate

axial coordinate
Returns:

offset coordinate

Type
ol.Coordinate

hex_corner()

Get hexagon corners

hex_neighbors(h, direction)

Get the neighbors for an hexagon

Parameters:
Name Type Description
h ol.Coordinate

axial coord
direction number
Returns:

neighbor || array of neighbors

Type
ol.Coordinate | Array.<ol.Coordinate>

hex_round(h)

Round axial coords

Parameters:
Name Type Description
h ol.Coordinate

axial coordinate
Returns:

rounded axial coordinate

Type
ol.Coordinate

offset2cube(o)

Convert cube to offset coords

Parameters:
Name Type Description
o ol.Coordinate

offset coordinate
Returns:

cube coordinate

Type
ol.Coordinate

offset2hex(o)

Convert axial to offset coords

Parameters:
Name Type Description
o ol.Coordinate

offset coordinate
Returns:

axial coordinate

Type
ol.Coordinate

setLayout(layout)

Set layout

Parameters:
Name Type Description
layout HexagonLayout | undefined

name, default pointy

setOrigin(coord)

Set hexagon origin

Parameters:
Name Type Description
coord ol.Coordinate

origin

setSize(hexagon)

Set hexagon size

Parameters:
Name Type Description
hexagon number

size