Getting objects within a certain distance from another object?
So I've nearly torn the wiki apart (metaphorically) trying to find a way to do this. What I want to do is get/define all the parts within a certain distance from another part, and use them in a variable. I have the code all worked out, problem is how do I select those parts? CFrame? Method I might not know of? Math? Magic? I have the script and know how to set the distance, I just need to know how to define/get/select the parts. Is there a way to do this? Any help is appreciated. :)
P.S. Let me know if this is confusing, I'm not sure if I worded some of this right. Thanks!
1 answer
To find all of the parts within a radius of a point, iterate through workspace recursively:
function getparts(point,radius)
local list={}
local f;function f(x)
for _,v in pairs(x:GetChildren())do
f(v)
if v:IsA("BasePart")and(v.Position-point).magnitude<=radius then
list[#list+1]=v
end
end
end
f(workspace)
return list
end
to select them in studio, game.Selection:Set(getparts(point,radius))
If you're worried about efficiency for constant scanning, here's an optimization:
local allparts={}
do
local f;function f(x)
for _,v in pairs(x:GetChildren())do
f(v)
if v:IsA("BasePart")and v.ClassName~="Terrain"then
allparts[v]=true
end
end
end
f(workspace)
end
workspace.DescendantAdded:connect(function(x)
if x:IsA("BasePart")then
allparts[x]=true
end
end)
workspace.DescendantRemoving:connect(function(x)
if x:IsA("BasePart")then
allparts[x]=false
end)
function getparts(point,radius)
local list={}
for v,_ in pairs(allparts)do
if(v.Position-point).magnitude<=radius then
list[#list+1]=v
end
end
return list
end
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