How do I Make Sprite Exactly Follow the Line Puzzle

Hello sir, i have searching in this forum but didn't get what i need. I have read this thread and other thread simillar with that but still didn't understand yet what i should do.

I have an interface like this :

What i want is the object (ball) since it's created, it will move following the line that i have draw before with a sprite ( i use a line.png file as a sprite). And when it come to some edge, user can rotate the line so the ball will follow the line that connect each other. I have try using pathfinder and bullet but still didn't solve my problem.

Please sir help me with this problem.

thanks.

Simple enough, here the example:

https://dl.dropboxusercontent.com/u/659 ... _line.capx

Thanks sir, you're so helpful.

Sir, while using your .capx, i found a problem again. Maybe you have an idea to solve this. Here's it, when the ball reach a corner, i want that corner can be rotated when user touch it, and the ball will follow the line of than L shape in corner wherever it face.

I mean like this one

when the user touch the corner, that shape will rotate 90 degrees like this

And the ball will follow the line that connect with the overlapped line..

Please sir how i can do that?

You mean like in roll ball? https://play.google.com/store/apps/deta ... llunrollme

Had not figured it out, maybe in next time I'll try to achieve that kind of mechanic.