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Help with detecting incoming projectiles in front of my character?

Asked by 21 days ago

Could someone please help me with my script? I am uncertain as to why it is killing me despite the absence of a moving part heading in my direction. Any help would be greatly appreciated.

-- Get the position of the player character
local charPosition = game.Players.LocalPlayer.Character.HumanoidRootPart.Position

-- Create a box that encompasses 20 blocks in front of the character
local boxSize = Vector3.new(20, 20, 20)
local boxCFrame = CFrame.new(charPosition + Vector3.new(10, 0, 0), charPosition)

-- Use GetPartBoundsInBox to find any parts that are in the box
local parts = game.Workspace:GetPartBoundsInBox(boxCFrame, boxSize)

-- Check each part to see if it is moving and if it will hit the character's torso
for _, part in pairs(parts) do
    local partVelocity = part.Velocity
    local partPosition = part.Position
    local partToCharVector = charPosition - partPosition
    local partToCharDistance = partToCharVector.magnitude

    -- If the part is moving and it is closer than 20 blocks from the character,
    -- then it might hit the character's torso; destroy my Head
    if partVelocity.magnitude > 0 and partToCharDistance < 20 then
        if partVelocity:Dot(partToCharVector) > 0 then
            -- If the part is moving towards the character,destroy my characters head
            game.Players.LocalPlayer.Character.Head:Destroy()
        end
    end
end

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Answered by 20 days ago
Edited 20 days ago

The script only runs once. To repeat it, you should use a loop, more specifically a while loop.

local Players = game:GetService("Players")
local player = Players.LocalPlayer

while true do
    local character = player.Character
    if not character or not character.Parent then
        character = player.CharacterAdded:Wait()
    end
    local charPosition = character:GetPivot().Position

    local boxSize = Vector3.new(20, 20, 20)
    local boxCFrame = CFrame.new(charPosition + Vector3.new(10, 0, 0), charPosition)

    local parts = game.Workspace:GetPartBoundsInBox(boxCFrame, boxSize)
    for _, part in pairs(parts) do
        if part ~= nil and part:IsA("BasePart") then -- just to make sure :>
            local partVelocity = part.AssemblyLinearVelocity
            local partPosition = part.Position
            local partToCharVector = charPosition - partPosition
            local partToCharDistance = partToCharVector.Magnitude
            local partToCharUnit = partToCharVector.Unit

            if partVelocity.Magnitude > 0 and partToCharDistance < 20 then
                if partVelocity:Dot(partToCharUnit) > 0 then
                    character:WaitForChild("Head"):Destroy()
                end
            end
        end
    end

    task.wait()
end
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