Detecting buildings / parts nearby

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1

Hi there!. I am currently making a swinging system, and I want to detect nearby parts / building if possible, I have tried using raycast and return the part hit, but I have to cast a bunch of rays in order for it to work like I want, so I dont think its really efficient. Is there anyway to do that other than using raycasting ?

2

CFrame ObjectSpace is ideal for this. It’s relatively simple, all it is is this:

Npc_CFrame:ToObjectSpace(PlayerCFrame).Z

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Psuedocode:

while true do
	for i,v in pairs(game:GetService("Players"):GetPlayers()) do
		if Npc_CFrame:ToObjectSpace(v.CFrame).Z < 0 then
			Npc.Humanoid.WalkSpeed += 1
			break
		end
	end
	task.wait(1)
end

Keep in mind this pseudocode is just an example as it isn’t meant to be used as-is, and it doesn’t account for range, Basically Detects Parts or players nearby, i did this example with an player.

2 Likes
3

Here’s how I would go about it.

Pseudocode:

local bestPosition
local bestPositionAngle
for _, position in (swingParts) do
    if (position - humanoidRootPart).Magnitude > THRESHOLD then continue end
    local angle = math.abs(getAngleBetweenVectors((position - humanoidRootPart).Unit, mouse.UnitRay))
    if angle > ANGLE_THRESHOLD then continue end
    local raycastResult = workspace:RayCast(humanoidRootPart, position - HumanoidRootPart, raycastParams)
    if raycastResult then continue end
    if bestPositionAngle then
        if bestPositionAngle > angle then
            bestPositionAngle = angle
            bestPosition = position
        end
    else
        bestPositionAngle = angle
        bestPosition = position
     end
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