an If statement will only do that one thing if the statement in the If part if true. If it is not true then it wont do anything it will go to the code under it.and if else statement will do something else IF the If statement is not true.
You could make two if statements and say if the mouse x does not equal 0.
All Seniors in Band
Soccer team band members
If 15 and the mod of a variable is equal to zero then its going to work.