How do I make a chasing effect?

Help and Feedback Scripting Support
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#1

I am making a “The Mimic”-styled AI. I want to achieve the effect of the screen zooming in and out to let the player know that they’re being chased by the AI. The problem is though, how should I approach this?
I’ve already made the basics of the ai like patrolling, chasing etc. I tried using values like “ChasingWho” but that didn’t work.
Please help me solve this.

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#2

You can get the distance between your position and the position of the monster ?

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#3

here is the main function of my ai

function main()
     local target = findTarget()
     if target then
          values.Chasing.Value = true
          values.ChasingWho.Value = target
          chase(target)
     else
          values.Chasing.Value = false
          values.ChasingWho.Value = nil
          wander()
     end
end
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#4

I already finished the AI, I want to do the chasing effect.

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#5

Yes but when the AI is near to you you can do the effect !

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#6

lemme just send my script one min.

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#7 
local hum = script.Parent:WaitForChild("Humanoid")
local root = script.Parent:WaitForChild("HumanoidRootPart")
local sp = require(script.Modules.SimplePath)
local values = script.Values

root:SetNetworkOwner(nil)

local params = {
	AgentHeight = hum.HipHeight;
	AgentRadius = root.Size.X;
	AgentCanJump = false
}

function walkRandomly()
	local wpFolder = workspace["NMRINWaypoint"]
	local goal = wpFolder:GetChildren()[math.random(1, #wpFolder:GetChildren())]

	local path = game:GetService("PathfindingService"):CreatePath()
	path:ComputeAsync(root.Position, goal.Position)
	local waypoints = path:GetWaypoints()

	if path.Status == Enum.PathStatus.Success then
		for _, waypoint in ipairs(waypoints) do
			hum:MoveTo(waypoint.Position)
			hum.MoveToFinished:Wait()
		end
	else
		print("Path failed")
		wait(1)
		walkRandomly()
	end
end

function findPath(target)
	local path = game:GetService("PathfindingService"):CreatePath()
	path:ComputeAsync(root.Position,target.Position)
	local waypoints = path:GetWaypoints()
	local path2 = sp.new(root.Parent, params)

	if path.Status == Enum.PathStatus.Success then
		for _, waypoint in ipairs(waypoints) do
			hum:MoveTo(waypoint.Position)
			
			if checkSight(target) then
				repeat
					print("Moving directly to the target")
					path2:Run(target.Position)
					attack(target)
					task.wait()
					if target == nil or target.Parent == nil then
						break
					end
				until not checkSight(target) or hum.Health < 1 or target.Parent.Humanoid.Health < 1
				break
			end
		end
	end
end

function checkSight(target)
	local ray = Ray.new(root.Position, (target.Position - root.Position).Unit * 40)
	local hit,position = workspace:FindPartOnRayWithIgnoreList(ray, {script.Parent})
	if hit then
		if hit:IsDescendantOf(target.Parent) then
			return true
		end
	end
	return false
end

function findTarget()
	local dist = 50
	local target = nil
	local potentialTargets = {}
	local seeTargets = {}
	for i,v in ipairs(workspace:GetChildren()) do
		local human = v:FindFirstChild("Humanoid")
		local hrp = v:FindFirstChild("HumanoidRootPart")
		if human and hrp and v.Name ~= script.Parent.Name then
			if (root.Position - hrp.Position).magnitude < dist and human.Health > 0 then
				table.insert(potentialTargets,hrp)
			end
		end
	end
	if #potentialTargets > 0 then
		for i,v in ipairs(potentialTargets) do
			if checkSight(v) then
				table.insert(seeTargets, v)
			elseif #seeTargets == 0 and (root.Position - v.Position).magnitude < dist then
				target = v
				dist = (root.Position - v.Position).magnitude
			end
		end
	end
	if #seeTargets > 0 then
		dist = 200
		for i,v in ipairs(seeTargets) do
			if (root.Position - v.Position).magnitude < dist then
				target = v
				dist = (root.Position - v.Position).magnitude
			end
		end
	end
	
	return target
end

function attack(target)
	if (root.Position - target.Position).magnitude < 5 then
		if target.Parent ~= nil then
			target.Parent.Humanoid:TakeDamage(25)
		end
		wait(0.4)
	end
end

function getPlayerFromChar(part)
	return game:GetService("Players"):GetPlayerFromCharacter(part)
end

function main()
	local target = findTarget()
	if target then
		hum.WalkSpeed = 16
		findPath(target)
		print(target.Name .. target.Parent.Name)
		values.Chasing.Value = true
		values.ChasingWho.Value = target.Parent
	else
		values.Chasing.Value = false
		values.ChasingWho.Value = nil
		hum.WalkSpeed = 8
		walkRandomly()
	end
end

while wait() do
	if hum.Health < 1 then
		break
	end
	main()
end

task.spawn(function()
	values.Chasing.Changed:Connect(function()
		if values.Chasing.Value then
			game.ReplicatedStorage.Found:FireClient(getPlayerFromChar(values.ChasingWho.Value), true)
		else
			game.ReplicatedStorage.Found:FireClient(getPlayerFromChar(values.ChasingWho.Value), false)
		end
	end)
end)
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#8

Does it work ?
ignore this : egzegz

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#9

No :(( it doesnt work
ignore : wwwwwwwwwwwwwwwwwww

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#10

Where is the error so ?
Is it the script you show me before ?

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#11

It doesn’t error. It says nothing in the output. When I fire the event, it doesn’t zoom out.

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#12

Try to get the difference between the player hrp and the monster hrp and if the result is for exemple <= (10,10,10) or >= (-10,-10,-10) you do the effect !

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#13

I hope that was helpful have a nice day !

1 Like
#14

Have you checked if the magnitude is negative?

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#15

No, but I kinda changed the system of zoomin in and zooming out.
I used Attributes instead of Values and it works perfectly.
Thank you all for the help!

1 Like