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Radial Symmetry Tools #1474

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pingu7867 merged 1 commit into from
Oct 9, 2026
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Radial Symmetry Tools #1474

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114 changes: 114 additions & 0 deletions lua/pac3/editor/client/tools.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
end

function pace.AddTool(name, callback, ...)
for i,v in pairs(pace.Tools) do

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Style: Please add a space after the comma
if v.name == name then
table.remove(pace.Tools, i)
end
Expand All @@ -49,7 +49,7 @@
}

local model_prop_translate = {
Color = function(tbl, val) tbl.Color = Vector(val.r/255, val.g/255, val.b/255) end,

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DoubleFace = function(tbl, val) tbl.NoCulling = val end,
Fullbright = function(tbl, val) tbl.NoLighting = val end,

Expand Down Expand Up @@ -84,7 +84,7 @@
bone = {
Bone = function(tbl, val)
if bones[tbl.UniqueID] and not bones[tbl.UniqueID][val] then
for k,v in pairs(bones[tbl.UniqueID]) do

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if v.bone == 0 then
tbl.Bone = v.friendly
return
Expand Down Expand Up @@ -150,30 +150,30 @@
tbl.self.ClassName = new_classname

if old_classname == "model" then
if tbl.self.BlurLength and tbl.self.BlurLength > 0 then
table.insert(tbl.children, {
self = {
ClassName = "motion_blur",
UniqueID = pac.Hash(),
BlurLength = tbl.self.BlurLength,
BlurSpacing = tbl.self.BlurSpacing,
},
children = {},
})
end

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end

if old_classname == "entity" then
if tbl.self.Weapon == true and tbl.self.HideEntity then
table.insert(parent.children, {
self = {
ClassName = "weapon",
UniqueID = pac.Hash(),
NoDraw = true
},
children = {},
})
end

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end

for key in pairs(registered_parts[old_classname].StorableVars) do
Expand All @@ -191,7 +191,7 @@
elseif not registered_parts[new_classname].StorableVars[key] then
local msg = tbl.self.ClassName .. "." .. key
if not done[msg] then
pac.Message(Color(255,100,100), "cannot translate property ", msg)

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done[msg] = true
end
end
Expand All @@ -200,16 +200,16 @@
end

if tbl.self.ClassName == "proxy" and tbl.self.VariableName == "Color" then
if isstring(tbl.self.Expression) and tbl.self.Expression ~= "" then
local r,g,b = unpack(tbl.self.Expression:Split(","))
r = tonumber(r)
g = tonumber(g)
b = tonumber(b)

if r and g and b then
tbl.self.Expression = (r/255)..","..(g/255)..","..(b/255)
end
end

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end

if tbl.self.Model and tbl.self.Model:find("://", nil, true) and not tbl.self.Model:find(".zip", nil, true) then
Expand Down Expand Up @@ -930,3 +930,117 @@
end
end)
end)

local function radial_sym(part, axis, num, i)
local rotD = (360/num)*i

if part.SetPosition then
local pos, posO = part:GetPosition()
local x, y, z = pos:Unpack()
local xA, yA, zA = axis:Unpack()

local rotR = math.rad(rotD)
local s, c = math.sin(rotR), math.cos(rotR)

part:SetPosition(Vector(
(c+(xA^2)*(1-c))*x+(xA*yA*(1-c)-zA*s)*y+(xA*zA*(1-c)+yA*s)*z,
(yA*xA*(1-c)+zA*s)*x+(c+(yA^2)*(1-c))*y+(yA*zA*(1-c)-xA*s)*z,
(zA*xA*(1-c)-yA*s)*x+(zA*yA*(1-c)+xA*s)*y+(c+(zA^2)*(1-c))*z))
else -- if the part is a group, we should still make its children radially symmetric
for _, part in ipairs(part:GetChildren()) do
radial_sym(part, axis, num, i)
end
end

if part.SetAngles then
local ang = Angle(part:GetAngles()) -- cloning required, or else bad stuff happens

ang:RotateAroundAxis(axis, rotD)

part:SetAngles(ang)
end
end

pace.AddTool(L"radial symmetry", function(part)
Derma_StringRequest(L"axis & number", L"input the axis to mirror around and the degree of symmetry.\ncan accept arbitrary vectors, e.g. 1 1 0 4", "z 4", function(input)
if input and part:IsValid() then
local args = string.Split(input, " ")
local axis, num

if #args == 2 then
axis = axis_planes[string.lower(args[1])]
num = tonumber(args[2])
elseif #args == 4 then
axis = Vector(args[1].." "..args[2].." "..args[3])
if not axis:IsZero() then -- cannot work with zero vectors
axis:Normalize()
num = tonumber(args[4])
end
end

if axis and num and num >= 2 then -- try to avoid errors and weird situations
num = math.floor(num)
for i = 1, num-1 do
radial_sym(part:Clone(), axis, num, i)
end
end
end
end)
end)

local function radial_sym_offset(part, axis, num, i)
local rotD = (360/num)*i

if part.SetPositionOffset then
local pos, posO = part:GetPositionOffset()
local x, y, z = pos:Unpack()
local xA, yA, zA = axis:Unpack()

local rotR = math.rad(rotD)
local s, c = math.sin(rotR), math.cos(rotR)

part:SetPositionOffset(Vector(
(c+(xA^2)*(1-c))*x+(xA*yA*(1-c)-zA*s)*y+(xA*zA*(1-c)+yA*s)*z,
(yA*xA*(1-c)+zA*s)*x+(c+(yA^2)*(1-c))*y+(yA*zA*(1-c)-xA*s)*z,
(zA*xA*(1-c)-yA*s)*x+(zA*yA*(1-c)+xA*s)*y+(c+(zA^2)*(1-c))*z))
else -- if the part is a group, we should still make its children radially symmetric
for _, part in ipairs(part:GetChildren()) do
radial_sym_offset(part, axis, num, i)
end
end

if part.SetAngleOffset then
local ang = Angle(part:GetAngleOffset()) -- cloning required, or else bad stuff happens

ang:RotateAroundAxis(axis, rotD)

part:SetAngleOffset(ang)
end
end

pace.AddTool(L"radial symmetry offset", function(part)
Derma_StringRequest(L"axis & number", L"input the axis to mirror around and the degree of symmetry for position and angle offsets.\ncan accept arbitrary vectors, e.g. 1 1 0 4", "z 4", function(input)
if input and part:IsValid() then
local args = string.Split(input, " ")
local axis, num

if #args == 2 then
axis = axis_planes[string.lower(args[1])]
num = tonumber(args[2])
elseif #args == 4 then
axis = Vector(args[1].." "..args[2].." "..args[3])
if not axis:IsZero() then -- cannot work with zero vectors
axis:Normalize()
num = tonumber(args[4])
end
end

if axis and num and num >= 2 then -- try to avoid errors and weird situations
num = math.floor(num)
for i = 1, num-1 do
radial_sym_offset(part:Clone(), axis, num, i)
end
end
end
end)
end)
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