X_xWell... this took forever:
http://www.youtube.com/watch?v=4zYKHcYxNOo
But at least now the equation for stage collisions is clearer to me. I hope to have my website completed soon, then you can all enjoy doing whatever (currently, I just need to document all the stage information I've gathered).
This is the best thing I've ever seen since I'm in this topic !..
I love you