HALP

-- Configurable Constants
local RANGE = 128
local RADAR_DIM = 20

-- Services
local RS = game:GetService("RunService")

-- Player Objects
local plr = game.Players.LocalPlayer

repeat wait() until plr.Character
local char = plr.Character

local torso = char:WaitForChild("Torso")
local hum = char:WaitForChild("Humanoid")

local cam = workspace.CurrentCamera

-- UI Objects
local radarGui = script.Parent
local radarFrame = radarGui.Radar

-- Shoots a ray from a position
local function shootRay(pos)
        local ray = Ray.new(pos, Vector3.new(0, -1024, 0))
        local hit, pos, normal, material = workspace:FindPartOnRay(ray, char)
        return (hit ~= nil) and hit.BrickColor.Color or false
end

local steps = 0

-- Bind to RenderStep
RS:BindToRenderStep("UpdateRadar", Enum.RenderPriority.Last.Value, function()
        steps = steps + 1
        if steps % 10 ~= 0 then return end
        local radarChildren = radarFrame:GetChildren()
        for i = 1, #radarChildren do
                radarChildren[i]:Destroy()
        end
        if torso.Parent then -- If the torso still exists
                local torsoPos = torso.Position + Vector3.new(0, 64, 0)
                local cam2DLookVector = Vector3.new(
                        cam.CoordinateFrame.lookVector.X, 0, cam.CoordinateFrame.lookVector.Z
                ).unit
                local torsoPointCF = CFrame.new(torsoPos, torsoPos + cam2DLookVector)
                local inc = RANGE / RADAR_DIM
                for x = -RANGE/2 + inc/2, RANGE/2 - inc/2, inc do
                        for y = -RANGE/2 + inc/2, RANGE/2 - inc/2, inc do
                                local pos = (torsoPointCF * CFrame.new(x, 0, y)).p
                                local color = shootRay(pos)
                                if color then
                                        local ui_x = (x + RANGE/2 - inc/2) / inc
                                        local ui_y = (y + RANGE/2 - inc/2) / inc
                                        local pixel = Instance.new("Frame", radarFrame) do
                                                pixel.Size = UDim2.new(1/RADAR_DIM, 0, 1/RADAR_DIM, 0)
                                                pixel.Position = UDim2.new(ui_x/RADAR_DIM, 0, ui_y/RADAR_DIM, 0)
                                                pixel.BackgroundColor3 = color
                                                pixel.BorderSizePixel = 0
                                        end
                                end
                        end
                end
        end
end)

hum.Died:connect(function()
        RS:UnbindFromRenderStep("UpdateRadar")
end)