Fire Trail

local value = Instance.new("NumberValue")
local heightVal = Instance.new("NumberValue")
heightVal.Value = -4
local hval = heightVal.Value
local speedVal = Instance.new("NumberValue")
speedVal.Value = 30
local val = value.Value
local plr = game.Players.LocalPlayer;
local chr = plr.Character;
local hum = chr.Humanoid;
local mov = {};
local mov2 = {};

--[[Network]]
coroutine.resume(coroutine.create(function()
	settings().Physics.AllowSleep = false;
	game.RunService.RenderStepped:Connect(function()
		for i, v in pairs(game.Players:GetPlayers()) do
			if v ~= plr then
				v.MaximumSimulationRadius = 0.1;
				v.SimulationRadius = 0;
			else
				v.MaximumSimulationRadius = math.pow(math.huge, math.huge);
				v.SimulationRadius = math.pow(math.huge, 2);
			end
		end
	end)
end))

function ftp(str)
    local pt = {};
    if str ~= 'me' and str ~= 'random' then
        for i, v in pairs(game.Players:GetPlayers()) do
            if v.Name:lower():find(str:lower()) then
                table.insert(pt, v);
            end
        end
    elseif str == 'me' then
        table.insert(pt, plr);
	elseif str == 'random' then
		table.insert(pt, game.Players:GetPlayers()[math.random(1, #game.Players:GetPlayers())]);
    end
    return pt;
end

for _, v in pairs(hum:GetAccessories()) do
	local b = v.Handle;
	b.CustomPhysicalProperties = PhysicalProperties.new(0, 0, 0, 0, 0);
	b.CanCollide = false;
	b:BreakJoints();
	for _, k in pairs(v:GetChildren()) do
		if not k:IsA'SpecialMesh' and not k:IsA'Part' then
			k:Destroy();
		end
	end
	local still = Instance.new('BodyAngularVelocity', b);
	still.MaxTorque = Vector3.new(math.huge, math.huge, math.huge);
	still.AngularVelocity = Vector3.new(0, 0, 0);
	local align = Instance.new('AlignPosition', b);
	align.MaxForce = 1000000;
	align.MaxVelocity = math.huge;
	align.RigidityEnabled = false;
	align.ApplyAtCenterOfMass = true;
	align.Responsiveness = 200;
	local a0 = Instance.new('Attachment', b);
	local a1 = Instance.new('Attachment', chr.Head);
	align.Attachment0 = a0;
	align.Attachment1 = a1;
	table.insert(mov, a1);
	table.insert(mov2, still);
end

local par = {};
for _, v in pairs(mov) do
	local parr = Instance.new('Part', workspace);
	parr.Anchored = true;
	parr.Size = Vector3.new(1, 1, 1);
	parr.Transparency = 1;
	parr.CanCollide = true;
	table.insert(par, parr);
end

local rotx = 0;
local rotz = math.pi / 2;
local height = 0;
local heighti = 1;
local offset = 5;
local mode = 1;
local speed = speedVal.Value;
local angular = Vector3.new(5, 5, 5);
local l = 1;
game['Run Service'].RenderStepped:Connect(function()
	rotx = rotx + speed / 100;
	rotz = rotz + speed / 100;
	l = (l >= 360 and 1 or l + speed);

	for i, v in pairs(par) do
		v.CFrame = CFrame.new(chr.HumanoidRootPart.Position) * CFrame.fromEulerAnglesXYZ(0, math.rad(l + (360 / #par) * i + speed), 0) * CFrame.new(offset, 0, 0);
	end

	if heighti == 1 then
		height = height + speed / 100;
	elseif heighti == 2 then
		height = height - speed / 100;
	end
	if height > 2 then
		heighti = 2;
	end
	if height < -1 then
		heighti = 1;
	end

	if mode == 1 then
		for _, v in pairs(mov) do
			v.Position = Vector3.new(math.sin(rotx) * 3, val, math.sin(rotz) * 3);
		end
	end
end)
game.Players.LocalPlayer.Chatted:Connect(function(c)
	if c:split(' ')[1] == ';giveFire' then
		for _, v in pairs(mov) do
			chr = ftp(c:split(' ')[2])[1].Character;
			v.Parent = ftp(c:split(' ')[2])[1].Character.HumanoidRootPart;
		end
	end
end)

local function valueChange()
    while true do
    val = -1
    wait(0.04)
    val = -1.1
    wait(0.02)
    val = -1.2
    wait(0.01)
    val = -1.3
    wait(0.01)
    val = -1.4
    wait(0.01)
    val = -1.4
    wait(0.01)
    val = -1.5
    wait(0.01)
    val = -1.6
    wait(0.01)
    val = -1.7
    wait(0.01)
    val = -1.8
    wait(0.01)
    val = -1.9
    wait(0.02)
    val = -2
    wait(0.02)
    val = -2.1
    wait(0.01)
    val = -2.2
    wait(0.01)
    val = -2.3
    wait(0.01)
    val = -2.4
    wait(0.01)
    val = -2.5
    wait(0.01)
    val = -2.6
    wait(0.01)
    val = -2.7
    wait(0.01)
    val = -2.8
    wait(0.02)
    val = -2.9
    wait(0.04)
    val = -3
    wait(0.04)
    val = -2.9
    wait(0.02)
    val = -2.8
    wait(0.01)
    val = -2.7
    wait(0.01)
    val = -2.6
    wait(0.01)
    val = -2.5
    wait(0.01)
    val = -2.4
    wait(0.01)
    val = -2.3
    wait(0.01)
    val = -2.2
    wait(0.02)
    val = -2.1
    wait(0.04)
    val = -2
    wait(0.04)
    val = -1.9
    wait(0.02)
    val = -1.8
    wait(0.01)
    val = -1.7
    wait(0.01)
    val = -1.6
    wait(0.01)
    val = -1.5
    wait(0.01)
    val = -1.4
    wait(0.01)
    val = -1.3
    wait(0.01)
    val = -1.2
    wait(0.02)
    val = -1.1
    wait(0.04)
    end
end
valueChange()