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