How do you omit transparent pixels from physics detection in an image? [import]uid: 23546 topic_id: 13077 reply_id: 313077[/import]
You can’t, but you can define a custom shape for your image - if it requires a LOT of points, look into Physics Editor - if it doesn’t then check out this API; http://developer.anscamobile.com/content/game-edition-physics-bodies
Specifically, the section on Polygon bodies 
Peach [import]uid: 52491 topic_id: 13077 reply_id: 48053[/import]
If you’re using Flash, you can also check out Spriteloq http://www.loqheart.com/spriteloq/. It also supports shapes for physics with a very easy api. http://www.youtube.com/watch?v=bEyNprBtLY8
Here’s a post with more info: http://developer.anscamobile.com/forum/2011/07/30/spriteloq-v121-out-support-physics [import]uid: 27183 topic_id: 13077 reply_id: 48058[/import]
Physics Editor is amazing to say the least and worth every penny! [import]uid: 40538 topic_id: 13077 reply_id: 48088[/import]