searchlight system

local lights = {}

function createLight(x,y,z)
    local id = #lights+1
    lights[id] = {
        objects = {
            createObject(2889, x, y, z, 0, 0, 129.40130615234),
            createObject(2888, x, y, z, 340, 0, 129.40130615234),
            bulb = createObject(2887, x, y, z, 340, 0, 129.40130615234),
        }
    }
    return id
end

function setLightActivated(id,state)
    if state == true then
        if lights[id].light ~= nil then return end
        local posX, posY, posZ = getElementPosition(lights[id].objects.bulb)
        local spotLightObjectMatrix = getElementMatrix(lights[id].objects.bulb)
        local targetPos = Vector3(spotLightObjectMatrix[4][1] + spotLightObjectMatrix[2][1] * 50, spotLightObjectMatrix[4][2] + spotLightObjectMatrix[2][2] * 50, spotLightObjectMatrix[4][3] + spotLightObjectMatrix[2][3] * 50)
        lights[id].light = createSearchLight(posX, posY, posZ+0.85,targetPos, 0.5, 20)
    else
        if lights[id].light == nil then return end
        destroyElement(lights[id].light)
        lights[id].light = nil
    end
end