local pos_x, pos_y, pos_z = 100, 100, 100

local function keypress(key)
        if(key == 274) then
            pos_z = poz_z -1
        elseif(key == 273) then
            pos_z = pos_z +1
        elseif(key == 275) then
            pos_x = pos_x +1
        elseif(key == 276) then
            pos_x = pos_x -1
        end
    end
    
local function CamMove()
    set_camera_pos (pos_x, pos_y, pos_z)
end



add_hook("key_down","FreeRoam", keypress)
add_hook("draw3D","FreeRoam", CamMove)

I think you can see what it does, well not does because it doesnt work. Halp?