Hi!
As the title says, I want to modify this to It damages players but only when you look at It
Script:
script.Parent.Touched:Connect(function(hit)
local humanoid = hit.Parent:FindFirstChildWhichIsA("Humanoid")
if humanoid then
humanoid:TakeDamage(20)
end
end)
You can use Vector3:Dot() to tell whether the position of PartB is within the FOV of PartA's LookVector. Basically, it returns a negative when it is behind the part and returns to a positive when it is in front of it.
There's a YouTube tutorial and a DevForum post about it and it might be simpler than my explanation.
local NPC = workspace.NPC -- for this example we have a dummy character named "NPC"
local sightLimit = 0.7071 -- from 0 to 1; you can edit this until you get the result you wanted
game:GetService("Players").PlayerAdded:Connect(function(Player)
Player.CharacterAdded:Connect(function(Character)
local Head = Character:WaitForChild("Head")
local Humanoid = Character:WaitForChild("Humanoid")
while true do
local headToNPC = (NPC:WaitForChild("HumanoidRootPart").Position - Head.Position).Unit
local headLook = Head.CFrame.LookVector
local dotProduct = headToNPC:Dot(headLook)
if dotProduct >= sightLimit then -- checks if the player is looking at the NPC within the sight limit
Humanoid:TakeDamage(20)
end
task.wait()
end
end)
end)
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1 comment
Use WorldToViewportPoint to first check if it's on-screen at all, and then raycast from that position toward the object to see if it hits anything. If both checks pass then the player is looking at the part