This can be stated in active form. Alternate translation: "Enemies have suddenly destroyed my tents" (See: [[rc://en/ta/man/translate/figs-activepassive]])
The words "are destroyed" are understood from the previous phrase. Alternate translation: "my curtains are destroyed in a moment" or "and enemies have destroyed my curtains in a moment" (See: [[rc://en/ta/man/translate/figs-ellipsis]])