swait=function(num)
	if num==nil or num==0 then
		game:GetService("RunService").Heartbeat:Wait(0)
	else
		for i=0,num do
			game:GetService("RunService").Heartbeat:Wait(0)
		end
	end
end

local Base = Instance.new("Part")
Base.Name = "BoltChunk"
Base.formFactor = "Custom"
Base.TopSurface = 0
Base.BottomSurface = 0
Base.Anchored = true
Base.Transparency = 0.4
Base.Reflectance = 0.4
Base.BrickColor = BrickColor.new("Medium blue")
local Leaves = Base:Clone()
Leaves.Name = "Leaves"
Leaves.CanCollide = false
Leaves.BrickColor = BrickColor.new("Really black")
Leaves.Transparency = 0
Leaves.Reflectance = 0.1
local leafmesh = Instance.new("SpecialMesh")
leafmesh.Parent = Leaves
Instance.new("CylinderMesh",Base)


function dot(c1,c2)
	local m = CFrame.Angles(math.pi/2,0,0)
	return (c1*m).lookVector:Dot((c2*m).lookVector)
end

local leaf_mult = {
	Vector3.new(1.5,1.5,1.2);
	Vector3.new(1.5,1,1.5);
	Vector3.new(1.2,1.5,1.5);
	Vector3.new(1.5,1.5,1.5);
}

function Branch(base,c)
	if c <= 0 then

		local leaves = Leaves:Clone()
		local vol = base.Size.x+base.Size.y+base.Size.z
		leaves.CFrame = base.CFrame * CFrame.new(0,base.Size.y/2,0)
		leaves.Parent = base.Parent
	else
		local pos = base.CFrame*CFrame.new(0,base.Size/2,0)
		local height = base.Size.y
		local width = base.Size.x
		local nb = 1
		local r = math.random(3,25)

		local da = math.random(20+55/c,40+40/c)

		local ba = math.random(-da/3,da/3)


		for i=0,nb-1 do
			local branch = base:Clone()
			branch.Name = "Branch"
			local h = height*math.random(95,115)/100 -- height .95 to 1.15 of original

			local new = branch.CFrame * CFrame.new(0,height/2,0) * CFrame.Angles(0,0,math.rad(ba))
			new = new * CFrame.Angles(0,i*(math.pi*2/nb)+r,math.rad(da/2)) * CFrame.new(0,h/2,0)


			local w = dot(new,branch.CFrame)*width*0.9

			branch.Size = Vector3.new(width,h,width)
			branch.CFrame = new
			branch.Parent = base.Parent
			branch.Material = 'Neon'
			branch.BrickColor = BrickColor.new('Cyan')

			Branch(branch,c-1)
			swait()
		end
	end
end

function Flash()
	local Lighting = game:GetService('Lighting')
	Lighting.Brightness = 12
	wait(.3)
	Lighting.Brightness = -0.5
end

function GenerateBolt(location,complexity,width,height)
	local tree = Instance.new("Model")
	tree.Name = "Lightning Bolt"
	tree.Parent = workspace
	local base = Base:Clone()
	base.Parent = tree
	base.Size = Vector3.new(width,height,width)
	base.CFrame = CFrame.new(location) * CFrame.new(0,height/2,0) * CFrame.Angles(0,math.rad(math.random(1,360)),0)
	Branch(base,complexity)
	local expl = Instance.new("Explosion")
	expl.ExplosionType = 0
	expl.BlastRadius = 15
	expl.BlastPressure = expl.BlastPressure * 8
	expl.Position = location
	expl.Parent = workspace
	local sounds = {'rbxassetid://539649706','rbxassetid://858154930','rbxassetid://821439273','rbxassetid://224339201'}
	local s = Instance.new('Sound',workspace)
	s.Volume = 1
	s.SoundId = sounds[math.random(1,#sounds)]
	s:Play()
	Flash()
	game:GetService("Debris"):AddItem(tree,math.random(0.01,.1))
end

function NewStorm()
	local function Cloud(x,z,size,lightning)
		spawn(function()
			local c = Instance.new("Part",workspace)
			c.Size = Vector3.new(1,1,1)
			c.CanCollide = false
			c.CastShadow = true
			c.Anchored = true
			c.Position = Vector3.new(x,350,z)
			c.BrickColor = BrickColor.DarkGray()
			local m = Instance.new('FileMesh',c)
			m.MeshId = 'http://www.roblox.com/asset/?id=1095708'
			game:GetService("RunService").Stepped:Connect(function()
				c.CFrame = c.CFrame * CFrame.Angles(0,0.05,0)
				c.CFrame = c.CFrame * CFrame.new(math.random(-1,1),0,math.random(-1,1))
			end)
			for i = 1, size+512 do
				swait()
				m.Scale = m.Scale + Vector3.new(0.07,.07,0.07)
				if lightning then
					if math.random(1,160)==6 then
						local num = c.Position.Y+2
						local max = i
						if num > max then
							num = max
						end
						GenerateBolt(Vector3.new(c.Position.X,0,c.Position.Z),5,3,50)
					end
				end
			end
		end)
	end
	local f = Instance.new('Sound',workspace)
	f.Volume = 1
	f.SoundId = 'rbxassetid://186377104'
	f.Looped = true
	f:Play()
	for i = 1, 50 do
		game.Lighting.Brightness = game.Lighting.Brightness - 0.05
		swait()
	end
	for i = 1, 100 do -- create the storm
		local f = false
		if math.random(1,5)==3 then
			f = true
		end
		Cloud(math.random(-300,300),math.random(-300,300),math.random(100,625),f)
		wait(math.random(0.001,0.4))
	end
	-- tornado
	wait(4)
	local tor_base = Instance.new('Part',workspace)
	tor_base.Size = Vector3.new(1,1,1)
	tor_base.Transparency = .25
	tor_base.Anchored = true
	tor_base.CanCollide = false
	tor_base.CFrame = CFrame.new(0,0,0)
	--local ms = Instance.new('FileMesh',tor_base)
	--ms.Scale = Vector3.new(50,50,50)
	--ms.MeshId = 'http://www.roblox.com/asset/?id=102638417'
	local Smoke = Instance.new('Smoke',tor_base)
	Smoke.Opacity = 1
	Smoke.RiseVelocity = 10
	Smoke.Size = 3
	Smoke.Color = Color3.fromRGB(126,126,126)
	local partc = Instance.new('ParticleEmitter',tor_base)
	partc.Texture = 'rbxasset://textures/particles/smoke_main.dds'
	partc.Color = ColorSequence.new({ColorSequenceKeypoint.new(0,Color3.fromRGB(126,126,126)),ColorSequenceKeypoint.new(1,Color3.fromRGB(126,126,126))})
	partc.Size = NumberSequence.new({NumberSequenceKeypoint.new(0,0),NumberSequenceKeypoint.new(1,30)})
	partc.Transparency = NumberSequence.new({NumberSequenceKeypoint.new(0,0),NumberSequenceKeypoint.new(1,1)})
	partc.Rate = 300
	partc.Speed = NumberRange.new(1,22)
	partc.SpreadAngle = Vector2.new(20,20)

	local partc2 = Instance.new('ParticleEmitter',tor_base)
	partc2.Texture = 'rbxasset://textures/particles/smoke_main.dds'
	partc2.Color = ColorSequence.new({ColorSequenceKeypoint.new(0,Color3.fromRGB(126,126,126)),ColorSequenceKeypoint.new(1,Color3.fromRGB(126,126,126))})
	partc2.Size = NumberSequence.new({NumberSequenceKeypoint.new(0,0),NumberSequenceKeypoint.new(1,50)})
	partc2.Transparency = NumberSequence.new({NumberSequenceKeypoint.new(0,0),NumberSequenceKeypoint.new(1,1)})
	partc2.Rate = 300
	partc2.Lifetime = NumberRange.new(15,28)
	partc2.Speed = NumberRange.new(7,12)
	partc2.SpreadAngle = Vector2.new(30,30)

	local s1 = 'rbxassetid://318451789'
	local s2 = 'rbxassetid://184973424'
	local so = Instance.new("Sound",tor_base)
	so.SoundId = s1
	so.Volume = 1
	so.Looped = true
	so:Play()
	local so2 = Instance.new("Sound",tor_base)
	so2.SoundId = s2
	so2.Volume = 1
	so2.Looped = true
	so2:Play()
	local count = 0
	local dirX,dirZ=0,5
	function Scan(obj)
		local f = {}
		for i,v in pairs(obj:GetChildren()) do
			table.insert(f,v)
		end
		for i,v in pairs(f) do

			if v:IsA("BasePart") then
				local mag = (tor_base.Position-v.Position).magnitude
				if mag<=45 then
					local vel = Instance.new('BodyVelocity',v)
					vel.Velocity = (v.Position-tor_base.Position).unit*-(70/(mag))+Vector3.new(math.random(-13,13),0,math.random(-13,13))
					vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
					vel.P = 30003333333
					game:GetService("Debris"):AddItem(vel,0.1)
				elseif mag <=0 then
					local vel = Instance.new('BodyVelocity',v)
					vel.Velocity = Vector3.new(math.random(-300,300),math.random(-300,300),math.random(-300,300))
					vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
					vel.P = 30003333333
				end
			elseif v:IsA("Model") and not v:FindFirstChild('Head') then
				for a,b in pairs(v:GetChildren()) do
					if b:IsA('BasePart') and b:GetMass()<300 then
						b.Anchored = false
						local mag = (tor_base.Position-b.Position).magnitude
						if mag<=45 then
							b.Parent:BreakJoints()
							b:BreakJoints()
							local vel = Instance.new('BodyVelocity',b)
							vel.Velocity = (b.Position-tor_base.Position).unit*-(70/(mag))+Vector3.new(math.random(-13,13),0,math.random(-13,13))
							vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
							vel.P = 30003333333
							game:GetService("Debris"):AddItem(vel,0.1)
						elseif mag <=0 then
							local vel = Instance.new('BodyVelocity',b)
							vel.Velocity = Vector3.new(math.random(-300,300),math.random(-300,300),math.random(-300,300))
							vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
							vel.P = 30003333333
						end
					end
				end
			elseif v:IsA("Model") and v:FindFirstChild('Head') then
				local vf = v.Head
				local mag = (tor_base.Position-vf.Position).magnitude
				if mag<=45 then
					local vel = Instance.new('BodyVelocity',vf)
					vel.Velocity = (vf.Position-tor_base.Position).unit*-(70/(mag))+Vector3.new(math.random(-13,13),0,math.random(-13,13))
					vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
					vel.P = 30003333333
					game:GetService("Debris"):AddItem(vel,0.1)
					if v:findFirstChildOfClass('Humanoid') then
						if math.random(1,12)==5 then
							v:findFirstChildOfClass('Humanoid'):TakeDamage(1)
						end
					end
				elseif mag<=5 then
					local vel = Instance.new('BodyVelocity',vf)
					vel.Velocity = Vector3.new(math.random(-300,300),math.random(-300,300),math.random(-300,300))
					vel.MaxForce = Vector3.new(999,999,999)*999999999999e99
					vel.P = 30003333333
				end
			end
		end
		return
	end
	game:GetService("RunService").Stepped:Connect(function()
		-- tornado damage
		Scan(workspace)
		for i,v in pairs(workspace:GetChildren()) do
			Scan(v)
		end
		-- effects and movement
		tor_base.CFrame=tor_base.CFrame*CFrame.new(dirX/50,0,dirZ/50)
		count = count + 1
		if math.random(1,100)==count then
			count = 1
			print("New Direction")
			dirX = math.random(-3,3)
			dirZ = math.random(-3,3)
		end
		if math.random(1,100)==52 then
			print('Lightning')
			GenerateBolt(Vector3.new(tor_base.Position.X+math.random(-13,13),0,tor_base.Position.Y+math.random(-13,13)),5,7,50)
		end
	end)
end
wait(5)
NewStorm()