335 lines
9.7 KiB
Lua
335 lines
9.7 KiB
Lua
-- Bootstrap
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appName = "lovr-playspace"
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mainScriptPath = (debug.getinfo(1, "S").source:sub(2):match("(.*[/\\])") or "./"):sub(1,-2)
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package.path = mainScriptPath.. "/lib/?.lua;" ..mainScriptPath.. "/lib/?/_main.lua;" ..package.path
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-- App
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hands = {"hand/right","hand/left"}
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limbs = {
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"head",
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"hand/left",
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"hand/right",
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"hand/left/point",
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"hand/right/point",
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"elbow/left",
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"elbow/right",
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"shoulder/left",
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"shoulder/right",
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"chest",
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"waist",
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"knee/left",
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"knee/right",
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"foot/left",
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"foot/right"
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}
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configDirs = {}
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json = require("json")
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function platformConfig()
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if os.getenv("HOME") ~= nil then
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return os.getenv("HOME") .. "/.config"
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end
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return os.getenv("APPDATA")
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end
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function fileExists(fileName)
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local file = io.open(fileName,"rb")
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if file == nil then return false end
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file:close()
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return true
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end
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function getConfigFile(fileName)
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for _,path in ipairs(configDirs) do
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if fileExists(path .. "/" .. fileName) then
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return path .. "/" .. fileName
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end
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end
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end
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function userConfig(fileName)
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return configDirs[1] .. "/" ..fileName
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end
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function fileWrite(fileName,content)
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local file = io.open(fileName,"wb")
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file:write(content)
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file:close()
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end
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function readFile(fileName)
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local file = io.open(fileName,"rb")
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content = file:read("*all")
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file:close()
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return content
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end
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function getDistanceBetweenPoints3D(x1, y1, z1, x2, y2, z2)
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return math.sqrt((x2 - x1)^2 + (z2 - z1)^2)
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end
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function getLineDistance(x, _, z, point1, point2) -- Notice the underscore for y
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-- Vector from point1 to point2
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local dx = point2[1] - point1[1]
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local dz = point2[2] - point1[2]
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-- Vector from point1 to the given point (x, y, z)
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local px = x - point1[1]
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local pz = z - point1[2]
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-- Dot product
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local dot = px * dx + pz * dz
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local len_sq = dx * dx + dz * dz
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local param = -1
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if len_sq ~= 0 then -- in case of 0 length line
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param = dot / len_sq
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end
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local xx, zz
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if param < 0 then
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xx = point1[1]
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zz = point1[2]
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elseif param > 1 then
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xx = point2[1]
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zz = point2[2]
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else
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xx = point1[1] + param * dx
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zz = point1[2] + param * dz
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end
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local dx_ = x - xx
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local dz_ = z - zz
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return math.sqrt(dx_ * dx_ + dz_ * dz_)
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end
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function getClosestDistanceToPerimeter(x, y, z, points)
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local lowestDist = 9999
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local length = #points
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for i = 1, length do
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local point1 = points[i]
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local point2 = points[(i % length) + 1]
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local dist = getLineDistance(x, y, z, point1, point2)
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if dist < lowestDist then
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lowestDist = dist
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end
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end
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return lowestDist
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end
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function getButton(method,button,devices)
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for _,device in ipairs(devices) do
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if method(device,button) == true then return device end
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end
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end
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function isTracked(device)
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local x,y,z = lovr.headset.getPosition(device)
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if x == 0.0 and y == 0.0 and z == 0.0 then return false end
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return true
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end
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function drawSinglePointGrid(pass, point1, point2, cornerColor, miscColor)
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local _, hy, _ = lovr.headset.getPosition("head")
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local lx1 = point1[1]
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local ly1 = hy
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local lz1 = point1[2]
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local lx2 = point2[1]
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local ly2 = hy
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local lz2 = point2[2]
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-- For the grid lines
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pass:setColor(unpack(miscColor))
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local drawY = settings.grid_top
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while drawY >= settings.grid_bottom do
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pass:line({
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lx1, drawY, lz1,
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lx2, drawY, lz2
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})
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drawY = drawY - settings.grid_density
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end
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-- For the perimeter lines
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pass:setColor(unpack(cornerColor))
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pass:line({
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lx1, settings.grid_bottom, lz1,
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lx1, settings.grid_top, lz1
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})
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pass:line({
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lx1, settings.grid_bottom, lz1,
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lx2, settings.grid_bottom, lz2
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})
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pass:line({
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lx1, settings.grid_top, lz1,
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lx2, settings.grid_top, lz2
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})
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end
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function drawPointGrid(pass,points,cornerColor,miscColor)
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local index = 2
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local length = #points
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if length < 1 then return end
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while index <= length do
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drawSinglePointGrid(pass,points[index - 1],points[index],cornerColor,miscColor)
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index = index + 1
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end
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drawSinglePointGrid(pass,points[length],points[1],cornerColor,miscColor)
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end
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function lovr.load()
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lovr.graphics.setBackgroundColor(0.0, 0.0, 0.0, 0.0)
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--table.insert(configDirs,platformConfig() .. "/" .. appName)
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table.insert(configDirs,mainScriptPath .. "/config")
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settings = {}
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settings.action_button = readFile(getConfigFile("action_button.txt"))
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settings.check_density = tonumber(readFile(getConfigFile("check_density.txt")))
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settings.fade_start = tonumber(readFile(getConfigFile("fade_start.txt")))
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settings.fade_stop = tonumber(readFile(getConfigFile("fade_stop.txt")))
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settings.grid_density = tonumber(readFile(getConfigFile("grid_density.txt")))
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settings.grid_bottom = tonumber(readFile(getConfigFile("grid_bottom.txt")))
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settings.grid_top = tonumber(readFile(getConfigFile("grid_top.txt")))
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settings.color_close_corners = json.decode(readFile(getConfigFile("color_close_corners.json")))
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settings.color_close_grid = json.decode(readFile(getConfigFile("color_close_grid.json")))
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settings.color_far_corners = json.decode(readFile(getConfigFile("color_far_corners.json")))
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settings.color_far_grid = json.decode(readFile(getConfigFile("color_far_grid.json")))
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settings.points = {}
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--[[if not lovr.filesystem.isDirectory(configDirs[1]) then
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fileWrite(userConfig("action_button.txt"),readFile(getConfigFile("action_button.txt")))
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fileWrite(userConfig("check_density.txt"),readFile(getConfigFile("check_density.txt")))
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fileWrite(userConfig("fade_start.txt"),readFile(getConfigFile("fade_start.txt")))
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fileWrite(userConfig("fade_stop.txt"),readFile(getConfigFile("fade_stop.txt")))
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fileWrite(userConfig("grid_density.txt"),readFile(getConfigFile("grid_density.txt")))
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fileWrite(userConfig("grid_bottom.txt"),readFile(getConfigFile("grid_bottom.txt")))
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fileWrite(userConfig("grid_top.txt"),readFile(getConfigFile("grid_top.txt")))
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fileWrite(userConfig("color_close_corners.json"),readFile(getConfigFile("color_close_corners.json")))
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fileWrite(userConfig("color_close_grid.json"),readFile(getConfigFile("color_close_grid.json")))
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fileWrite(userConfig("color_far_corners.json"),readFile(getConfigFile("color_far_corners.json")))
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fileWrite(userConfig("color_far_grid.json"),readFile(getConfigFile("color_far_grid.json")))
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initConfigure()
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return
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end]]--
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if getConfigFile("points.json") == nil then
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initConfigure()
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return
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end
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for _,hand in ipairs(hands) do
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if lovr.headset.isDown(hand,settings.action_button) then
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initConfigure()
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return
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end
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end
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settings.points = json.decode(readFile(getConfigFile("points.json")))
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mode = modeDraw
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end
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function initConfigure()
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saveProg = 1.0
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lovr.update = function(dt)
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deltaTime = dt
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end
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mode = modeConfigure
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end
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function deinitConfigure()
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saveProg = nil
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lovr.update = nil
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deltaTime = nil
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mode = modeDraw
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end
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function modeConfigure(pass)
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local hx, hy, hz = lovr.headset.getPosition("head")
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for _, hand in ipairs(hands) do
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if isTracked(hand .. "/point") then
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local cx, cy, cz = lovr.headset.getPosition(hand .. "/point")
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-- Compute the direction from the controller to the headset
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local dirX = hx - cx
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local dirY = hy - cy
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local dirZ = hz - cz
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-- Compute the rotation angle to make the text face the headset
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local angle = math.atan2(dirX, dirZ)
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pass:setColor(1, 0, 0, 0.5 * saveProg)
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pass:sphere(cx, cy, cz, 0.1)
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pass:setColor(1, 1, 1, saveProg)
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-- Draw the text with the computed rotation
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pass:text(
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"- Press '" .. settings.action_button .. "' to add a point -\n" ..
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"- Hold '" .. settings.action_button .. "' to save -\n\n" ..
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string.format("%.2f", cx) .. "," .. string.format("%.2f", cy) .. "," .. string.format("%.2f", cz),
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cx, cy - 0.3, cz, 0.066, angle, 0, 1, 0
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)
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end
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end
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local inputDev = getButton(lovr.headset.wasReleased,settings.action_button,hands)
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if inputDev ~= nil and isTracked(inputDev) then
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local hx,_,hz = lovr.headset.getPosition(inputDev)
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table.insert(settings.points,{hx,hz})
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end
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inputDev = getButton(lovr.headset.isDown,settings.action_button,hands)
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if inputDev ~= nil then
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saveProg = saveProg - (deltaTime / 3)
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if saveProg <= 0 then
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fileWrite(userConfig("points.json"),json.encode(settings.points))
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deinitConfigure()
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modeDraw(pass)
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return
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end
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else
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saveProg = 1.0
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end
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pass:setColor(1,0,0,0.5)
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for _,point in ipairs(settings.points) do
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pass:sphere(point[1],1.5,point[2],0.1)
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end
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modeDraw(pass)
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end
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function modeDraw(pass)
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local x, y, z = lovr.headset.getPosition("head")
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local closestDist = getClosestDistanceToPerimeter(x, y, z, settings.points)
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-- Update the fade logic based on the closest distance
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closestDist = (closestDist - settings.fade_stop) / (settings.fade_start - settings.fade_stop)
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closestDist = math.max(0, math.min(1, closestDist))
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local function interpolateColor(startColor, endColor)
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return {
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startColor[1] + (endColor[1] - startColor[1]) * closestDist,
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startColor[2] + (endColor[2] - startColor[2]) * closestDist,
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startColor[3] + (endColor[3] - startColor[3]) * closestDist,
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startColor[4] + (endColor[4] - startColor[4]) * closestDist
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}
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end
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local cornerColor = interpolateColor(settings.color_far_corners, settings.color_close_corners)
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local gridColor = interpolateColor(settings.color_far_grid, settings.color_close_grid)
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drawPointGrid(pass, settings.points, cornerColor, gridColor)
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end
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function lovr.draw(pass)
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mode(pass)
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end |