Scratch

Hi Ferret321,

currently Scratch does not support Arrays or Strings as variables. There are several ways, however, people have come up with to deal with this in Scratch:

1. Creating many variables (or many sprites)

Some projects define their own batch of variables to represent an array of of a fixed, limited size and then 'translate' character input (obtained from the 'when key _ pressed' event hat) to numbers. This method only works for very short texts and is extremely complicated to implement.

2. Storing / reading arrayed data as colored pen marks

There are some projects by some smart people which bypass this limitation by storing data arrays as colored pen marks in the Scratch stage and reading them back in using a sprite's color sensing abilities. This method enables longer texts to be stored and retained, but it is pretty advanced and probably even harder to accomplish if you're just starting out with Scratch. Also, comparing two strings would be an even more complicated procedure (one which I can't remember ever having seen in a Scratch project).

3. Mulitple choice

Another way to do a riddle game is to do it as a multiple choice quiz. For each question you could assign an 'answer' variable (a number indicating the correct answer to that question), and then have your project display several answers in several sprites and check for the correct user reaction (e.g. a click on the 'right' sprite).

I definitely would encourage you to try this third method, because you will be actually creating your riddle quiz instead of spending all the time kludging around with low level stuff.

Does that answer your question?