How to...
This is the Greenfoot "how to" board, with solutions to many common problems.
- Accessing files from scenarios on the greenfoot.org site
- Why does my actor only move at multiples of 45 degrees? (discussion)
- How do I access a variable (or method) from another class or object? (tutorial)
- Timers: make something happen after a delay (video)
- IllegalStateException: Actor is not in world