loop button

hey there ,

i want to make loop button , when touch sprite add 1 to var ,,, from 1 to 7 but when var = 7 and touch sprite it will be 1 not (8) loop from 1 to 7

any one can help plz ?

On touch sprite - Set var to var=7?1:var+1

On touch sprite - Set var to var=7?1:var+1

thank you very much now it's work