mirror of
https://github.com/OpenMW/openmw.git
synced 2025-11-04 08:26:39 +00:00
37 lines
1.5 KiB
Lua
37 lines
1.5 KiB
Lua
-------------------------------------------------------------------------------
|
|
-- `openmw_aux.util` defines utility functions that are implemented in Lua rather than in C++.
|
|
-- Implementation can be found in `resources/vfs/openmw_aux/util.lua`.
|
|
-- @module util
|
|
-- @usage local aux_util = require('openmw_aux.util')
|
|
|
|
local aux_util = {}
|
|
|
|
-------------------------------------------------------------------------------
|
|
-- Finds the nearest object to the given point in the given list.
|
|
-- Ignores cells, uses only coordinates. Returns the nearest object,
|
|
-- and the distance to it. If objectList is empty, returns nil.
|
|
-- @function [parent=#util] findNearestTo
|
|
-- @param openmw.util#Vector3 point
|
|
-- @param openmw.core#ObjectList objectList
|
|
-- @param #number minDist (optional) ignore objects that are closer than minDist
|
|
-- @param #number maxDist (optional) ignore objects that are farther than maxDist
|
|
-- @return openmw.core#GameObject, #number the nearest object and the distance
|
|
function aux_util.findNearestTo(point, objectList, minDist, maxDist)
|
|
local res = nil
|
|
local resDist = nil
|
|
local minDist = minDist or 0
|
|
for i = 1, #objectList do
|
|
local obj = objectList[i]
|
|
local dist = (obj.position - point):length()
|
|
if dist >= minDist and (not res or dist < resDist) then
|
|
res = obj
|
|
resDist = dist
|
|
end
|
|
end
|
|
if res and (not maxDist or resDist <= maxDist) then
|
|
return res, resDist
|
|
end
|
|
end
|
|
|
|
return aux_util
|
|
|