How about something like this?
You need to right click the file in the public folder, select "Copy public link" and paste the link here on the forums.
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https://www.dropbox.com/help/16
Follow this tutorial, only choose "Save as single file" instead of "Export project".
<font size="1">Edit: Typo</font>
Should bounce then, maybe check the animations collision polygon?
If you could post a .capx using dropbox, it would be easier for us to see the problem.
What sort of behaviour do you have on the walls? A sprite without any behaviours or events will not collide with anything, you'll need to use the solid behaviour on the walls.
Add all the solid objects to a family, and apply the actions to the family instead?
Or you could have a look at this manual entry
If you need more advanced control you could try simply spawning Sprites with the Bullet movement and control them with events.
You can find some great particle examples using this method in the FAQ
Maybe you should post it here instead, in case sketchee doesn't have the time. <img src="smileys/smiley1.gif" border="0" align="middle" />
Try this link
If it doesn't work, I'll just resave in an old version.
I wanted to try this out for myself, so I had a go at it.
Here's the .capx if you're still interested.
Member since 30 Dec, 2011