lines-lua/gridpoint.lua

21 lines
526 B
Lua

require "point"
require "config"
-- Point table with grid-based coordinates
---@class GridPoint: Point
GridPoint = Point
-- Convert grid x, y to global x, y
---@return Point
function GridPoint:absolute()
return Point:new(
self.x * Config.cellSize,
self.y * Config.cellSize
)
end
-- Same as coords, but converted to global coords
---@return number, number
function GridPoint:globalCoords()
return self.x * Config.cellSize - Config.cellSize / 2, self.y * Config.cellSize - Config.cellSize / 2
end