48 lines
1.2 KiB
Lua
48 lines
1.2 KiB
Lua
local utils = require "lib/utils"
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--- @class Grid
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local grid = {}
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grid.__index = grid
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--- Adds a character id to the grid
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--- @param character Character
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function grid:add(character)
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local centerX, centerY = math.floor(character.position.x), math.floor(character.position.y)
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local sizeX, sizeY = character.size.x, character.size.y
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for y = centerY, centerY + sizeY - 1 do
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for x = centerX, centerX + sizeX - 1 do
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self[x][y] = character.id
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end
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end
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end
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--- Removes a character id from the grid
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--- @param character Character
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function grid:remove(character)
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local centerX, centerY = math.floor(character.position.x), math.floor(character.position.y)
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local sizeX, sizeY = character.size.x, character.size.y
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for y = centerY, centerY + sizeY - 1 do
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for x = centerX, centerX + sizeX - 1 do
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self[x][y] = nil
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end
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end
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end
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--- Generates an empty grid
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--- @param width number
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--- @param height number
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--- @return Grid
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local function generateGrid(width, height)
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local g = utils.generateList(width, function(_)
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return utils.generateList(height, function(_)
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return {}
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end)
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end)
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return setmetatable(g, grid)
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end
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return { new = generateGrid }
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