Shooting Rocks

Great! A very simple example with the Pythagorean theorem. I also have a sort of request... In eclipse there are no handy methods like "move" and "turn", so could you post the maths behind rotating an image, like Greenfoot does?

The gist of rotating an image is that if you want a 30 degree clockwise rotation, then for each position in the new image, you rotate the position by 30 degrees anti-clockwise and, use the pixel from the old image that is at that position. I can add the idea to my list, but I have a bit of a pipeline going, so it will be a while before it shows up :)

Not sure what you mean, but I'll that one sentence for many hours... Maybe I'll figure it out :) Thanks anyways! You blog is something I check everyday!

It's very similar to this post: http://sinepost.wordpress.com/2012/04/10/burning-rubber/ That post looks at rotating the position of the wheel to work out where to place the tyre tracks. But instead of rotating a wheel position, you rotate the position of every pixel in the image. As I said, I will write the full post for you soon :)

Hey, thanks for the post on burning rubber. I was having tons of difficulty calculating the next point on a circle. Yo helped me figure it out. I will hopefully be using it to make my cube program actually work.

zapnine7: I've now published the explanation of how to do image rotation, you can find it here: http://sinepost.wordpress.com/2012/07/24/image-rotation/

Wow! Thanks so much! I really appreciate it. MatheMagician, your new picture is awesome.