I've been searching all day for many different graphics tuts but there's still a couple off examples that I can't find. I'm trying to create a graphical editor and one of the required functions I need is for the editor to be able to take a rectangle and a circle and connect them or anchor them together with a line or arrow (like a Petri Net editor). If there's nothing for the line to connect to the arrow should disappear (so they need to recognize they're connected).
Where can I find like a massive tutorial (and even source code samples) that has nothing but examples demonstrating Graphics and interaction skills like this(whether written or video tut)?
I'd really appreciate your help Thanks!!!