111 lines
2.8 KiB
Lua
111 lines
2.8 KiB
Lua
local glm = require 'glm'
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---@type table<number, CZone>
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local Zones = {}
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_ENV.Zones = Zones
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local function removeZone(self)
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Zones[self.id] = nil
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end
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local glm_polygon_contains = glm.polygon.contains
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local function contains(self, coords)
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return glm_polygon_contains(self.polygon, coords, self.thickness / 4)
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end
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local function insideSphere(self, coords)
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return #(self.coords - coords) < self.radius
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end
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local function convertToVector(coords)
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local _type = type(coords)
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if _type ~= 'vector3' then
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if _type == 'table' or _type == 'vector4' then
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return vec3(coords[1] or coords.x, coords[2] or coords.y, coords[3] or coords.z)
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end
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error(("expected type 'vector3' or 'table' (received %s)"):format(_type))
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end
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return coords
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end
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lib.zones = {
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---@return CZone
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poly = function(data)
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data.id = #Zones + 1
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data.thickness = data.thickness or 4
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local pointN = #data.points
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local points = table.create(pointN, 0)
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for i = 1, pointN do
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points[i] = convertToVector(data.points[i])
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end
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data.polygon = glm.polygon.new(points)
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data.coords = data.polygon:centroid()
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data.type = 'poly'
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data.remove = removeZone
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data.contains = contains
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data.debug = nil
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data.debugColour = nil
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data.inside = nil
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data.onEnter = nil
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data.onExit = nil
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Zones[data.id] = data
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return data
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end,
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---@return CZone
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box = function(data)
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data.id = #Zones + 1
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data.coords = convertToVector(data.coords)
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data.size = data.size and convertToVector(data.size) / 2 or vec3(2)
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data.thickness = data.size.z * 2 or 4
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data.rotation = quat(data.rotation or 0, vec3(0, 0, 1))
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data.polygon = (data.rotation * glm.polygon.new({
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vec3(data.size.x, data.size.y, 0),
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vec3(-data.size.x, data.size.y, 0),
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vec3(-data.size.x, -data.size.y, 0),
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vec3(data.size.x, -data.size.y, 0),
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}) + data.coords)
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data.type = 'box'
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data.remove = removeZone
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data.contains = contains
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data.debug = nil
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data.debugColour = nil
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data.inside = nil
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data.onEnter = nil
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data.onExit = nil
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Zones[data.id] = data
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return data
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end,
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---@return CZone
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sphere = function(data)
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data.id = #Zones + 1
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data.coords = convertToVector(data.coords)
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data.radius = (data.radius or 2) + 0.0
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data.type = 'sphere'
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data.remove = removeZone
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data.contains = insideSphere
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data.debug = nil
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data.debugColour = nil
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data.inside = nil
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data.onEnter = nil
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data.onExit = nil
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Zones[data.id] = data
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return data
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end,
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getAllZones = function() return Zones end,
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}
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return lib.zones
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