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Then I guess I'm not sure what you mean by stuttering. But again, without seeing any code, I'm just guessing anyway. I'd take a look at it if you posted an SSCCE in a new thread, but it seems like...

Without seeing the actual code, I can't really comment, but I promise that extending a JPanel and overriding paintComponent() works just fine. If I had to hazard a guess, I'd bet that you're updating...

Honestly, it sounds like you were doing something wrong (probably the "active rendering" you're talking about). It's a common problem, and it keeps popping up because people try to complicate things...

If you say so. I've never had any problems using JComponents, and in my humble opinion, doing "active rendering" introduces a bunch of other stuff that just confuses the basics- especially for...

I guess it depends on what you mean by "direct rendering". Most people extend JPanel or JComponent, override paintComponent(), do all drawing in there, then call repaint() whenever they update the...

You said you're using Canvas, which is an AWT component. That's the old GUI classes, and usually people don't use them unless they have a reason to. People use Swing now.

Also, your if statements look all wrong. First off, they're nested inside each other, when I'm pretty sure that's not what you want. Secondly, I don't think you want to simply set the deltaX to...