turret

local com           = require("component")
local gpu           = com.gpu
local turret        = com.os_energyturret
local radar         = com.openperipheral_sensor
local autors        = {"qwertyMAN"}
local version       = "0.9"
local Black_List    = {}
local White_List    = {}
-- относительные координаты пушки от сканера
local correct = {
    x = 0,
    y = 4,
    z = 0
}

local function kostil(x)
    while true do
        if x>=360 then
            x = x - 360
        elseif x<0 then
            x = x + 360
        else
            break
        end
    end
    return x
end

local function pointer(x,y,z)
    local distXY = math.sqrt(x^2+z^2)
    local distDY = math.sqrt(y^2+distXY^2)
    local outX = math.deg(math.acos(x/distXY))+90
    local outY = 90-math.deg(math.acos(y/distDY))
    if z<0 then
        outX = kostil(180-outX)
    end
    return outX,outY
end

while true do
    os.sleep(0)
    local target = false
    local scan=radar.getPlayers()
    if #scan>0 then
        if #White_List>0 then
            for i=1, #autors do
                White_List[#White_List+1] = autors[i]
            end
            for i=1, #scan do
                local swich = true
                for j=1, #White_List do
                    if scan[i].name==White_List[j] then
                        swich = false
                    end
                end
                if swich then
                    target = scan[i].name
                    break
                end
            end
        elseif #Black_List>0 then
            for i=#Black_List, 1, -1 do
                for j=1, #autors do
                    if Black_List[i] == autors[j] then
                        table.remove(Black_List,i)
                    end
                end
            end
            for i=1, #scan do
                local swich = false
                for j=1, #Black_List do
                    if scan[i].name==Black_List[j] then
                        swich = true
                    end
                end
                if swich then
                    target = scan[i].name
                    break
                end
            end
        else
            if #autors>0 then
                for i=1, #autors do
                    White_List[#White_List+1] = autors[i]
                end
            else
                target = scan[1].name
            end
        end
        if target then
            if radar.getPlayerByName(target) then
                target=radar.getPlayerByName(target).all()
                local x,y,z = target.position.x-0.5-correct.x, target.position.y+0.3-correct.y, target.position.z-0.5-correct.z
                local vx,vy = pointer(x,y,z)
                turret.moveTo(vx,vy)
                if turret.isOnTarget() then
                    turret.fire()
                end
            end
        end
    end
end