maze2d: allow varying the path width & length
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9fabc496fb
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1BE5172E637709C2
33
main.lua
33
main.lua
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@ -16,32 +16,41 @@ local settings = {
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filename = "maze.scad",
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scale = 5,
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inverted = true
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inverted = true,
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path_length = 2,
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path_width = 1
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}
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for i=1,#arg do
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if not strings.starts_with(arg[i], "-") then
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table.insert(settings.extras, arg[i])
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elseif string.match(arg[i], "--width") or string.match(arg[i], "-w") then
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table.insert(settings.extras, arg[i])
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elseif arg[i] == "--width" or arg[i] == "-w" then
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i = i + 1
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settings.width = tonumber(arg[i])
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elseif string.match(arg[i], "--height") or string.match(arg[i], "-h") then
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elseif arg[i] == "--height" or arg[i] == "-h" then
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i = i + 1
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settings.height = tonumber(arg[i])
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elseif string.match(arg[i], "--depth") or string.match(arg[i], "-d") then
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elseif arg[i] == "--depth" or arg[i] == "-d" then
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i = i + 1
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settings.depth = tonumber(arg[i])
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elseif string.match(arg[i], "--seed") or string.match(arg[i], "-s") then
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elseif arg[i] == "--seed" or arg[i] == "-s" then
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i = i + 1
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settings.seed = tonumber(arg[i])
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elseif string.match(arg[i], "--filename") or string.match(arg[i], "-f") then
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elseif arg[i] == "--filename" or arg[i] == "-f" then
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i = i + 1
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settings.filename = arg[i]
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elseif string.match(arg[i], "--scale") then
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elseif arg[i] == "--scale" then
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i = i + 1
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settings.scale = tonumber(arg[i])
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elseif string.match(arg[i], "--no-invert") then
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elseif arg[i] == "--no-invert" then
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settings.inverted = false
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elseif arg[i] == "--path-length" then
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i = i + 1
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settings.path_length = tonumber(arg[i])
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elseif arg[i] == "--path-width" then
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i = i + 1
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settings.path_width = tonumber(arg[i])
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end
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end
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@ -71,6 +80,8 @@ Options:
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-f --filename {string} Sets the output filename
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--no-invert Don't invert the output [openscad output only]
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--scale {int} Sets the scale of the output [openscad output only]
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--path-length {int} Sets the path length
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--path-width {int} Sets the path width
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]])
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end
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@ -78,7 +89,9 @@ local function maze_text()
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local world, time = maze2d.generate_maze(
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settings.seed,
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settings.width,
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settings.height
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settings.height,
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settings.path_length,
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settings.path_width
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)
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maze2d.printspace(world, settings.width, settings.height)
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print("Generation completed in " .. time .. "ms.")
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30
maze.lua
30
maze.lua
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@ -35,13 +35,10 @@ end
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function M.generate_maze(seed, width, height, path_length, path_width)
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start_time = os.clock()
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if not path_length then path_length = 2 end
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if not path_width then path_width = 1 end
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path_length = 3
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path_width = 1
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-- minetest.log("action", "width: "..width..", height: "..height)
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math.randomseed(seed) -- seed the random number generator with the system clock
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@ -65,29 +62,33 @@ function M.generate_maze(seed, width, height, path_length, path_width)
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while #nodes > 0 do
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-- io.write("Nodes left: " .. curnode .. "\r")
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--print("Nodes left: " .. #nodes)
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--print("Currently at (" .. cx .. ", " .. cy .. ")")
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-- print("Currently at (" .. cx .. ", " .. cy .. "), up: "..(cy-path_length)..", down: "..cy+path_length..", left: "..cx-path_length..", right: "..cx+path_length..", width: "..width..", height: "..height)
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local directions = "" -- the different directions we can move
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if cy - path_length > 0 and world[cy - path_length][cx] == "#" then
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directions = directions .. "u"
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-- print("up | cy: "..cy..", target: "..cy-path_length..", value: '"..world[cy - path_length][cx].."', path_length: "..path_length)
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end
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if cy + path_length < height and world[cy + path_length][cx] == "#" then
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directions = directions .. "d"
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-- print("down | cy: "..cy..", target: "..cy+path_length..", value: '"..world[cy + path_length][cx].."', path_length: "..path_length)
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end
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if cx - path_length > 0 and world[cy][cx - path_length] == "#" then
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directions = directions .. "l"
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-- print("left | cx: "..cx..", target: "..cx-path_length..", value: '"..world[cy][cx - path_length].."', path_length: "..path_length)
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end
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if cx + path_length < width and world[cy][cx + path_length] == "#" then
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directions = directions .. "r"
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-- print("right | cx: "..cx..", target: "..cx+path_length..", value: '"..world[cy][cx + path_length].."', path_length: "..path_length)
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end
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print("radar output: '" .. directions .. "' (length: " .. #directions .. "), curnode: " .. curnode)
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-- print("radar output: '" .. directions .. "' (length: " .. #directions .. "), curnode: " .. curnode)
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if #directions > 0 then
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-- we still have somewhere that we can go
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--print("This node is not a dead end yet.")
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local curdirnum = math.random(1, #directions)
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local curdir = string.sub(directions, curdirnum, curdirnum)
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if curdir == "u" then
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for ix = cx,cx+path_width-1 do
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for ix = cx,cx+(path_width-1) do
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for iy = cy-path_length,cy do
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world[iy][ix] = " "
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end
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@ -97,7 +98,7 @@ function M.generate_maze(seed, width, height, path_length, path_width)
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cy = cy - path_length
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elseif curdir == "d" then
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for ix = cx,cx+path_width-1 do
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for iy = cy,cy+path_length do
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for iy = cy,cy+path_length+(path_width-1) do
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world[iy][ix] = " "
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end
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end
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@ -114,8 +115,8 @@ function M.generate_maze(seed, width, height, path_length, path_width)
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-- world[cy][cx - 2] = " "
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cx = cx - path_length
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elseif curdir == "r" then
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for iy = cy,cy+path_width-1 do
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for ix = cx,cx+path_length-1 do
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for iy = cy,cy+(path_width-1) do
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for ix = cx,cx+path_length+(path_width-1) do
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world[iy][ix] = " "
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end
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end
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@ -123,6 +124,8 @@ function M.generate_maze(seed, width, height, path_length, path_width)
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-- world[cy][cx + 2] = " "
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cx = cx + path_length
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end
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-- print("Now at ("..cx..", "..cy..")")
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table.insert(nodes, { x = cx, y = cy })
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else
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@ -140,8 +143,9 @@ function M.generate_maze(seed, width, height, path_length, path_width)
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--print("Maze generation complete, no teleportation necessary.")
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end
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end
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M.printspace(world, width, height)
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io.read("*l")
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-- M.printspace(world, width, height)
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-- io.read("*l")
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end
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end_time = os.clock()
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