Comments on: The magic of compound objects with Box2D http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/ italian geek and PROgrammer Fri, 10 Feb 2012 12:12:29 +0000 hourly 1 http://wordpress.org/?v= By: Zerchan http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-844552 Zerchan Wed, 01 Jun 2011 16:39:50 +0000 http://www.emanueleferonato.com/?p=732#comment-844552 for(var currentBody:b2Body = world.GetBodyList(); currentBody; currentBody = currentBody.GetNext()){ if(currentBody.GetUserData()){ if(currentBody.GetUserData().skin){ currentBody.GetUserData().skin.x = currentBody.GetPosition().x*worldScale; currentBody.GetUserData().skin.y = currentBody.GetPosition().y*worldScale; currentBody.GetUserData().skin.rotation = currentBody.GetAngle()*(180/Math.PI); } } The render loop it's the same?? for(var currentBody:b2Body = world.GetBodyList(); currentBody; currentBody = currentBody.GetNext()){
if(currentBody.GetUserData()){
if(currentBody.GetUserData().skin){
currentBody.GetUserData().skin.x = currentBody.GetPosition().x*worldScale;
currentBody.GetUserData().skin.y = currentBody.GetPosition().y*worldScale;
currentBody.GetUserData().skin.rotation = currentBody.GetAngle()*(180/Math.PI);
}
}

The render loop it’s the same??

]]> By: Zerchan http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-844551 Zerchan Wed, 01 Jun 2011 16:38:17 +0000 http://www.emanueleferonato.com/?p=732#comment-844551 How can I render textures movieClips in the compound object ? How can I render textures movieClips in the compound object ?

]]> By: wouter http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-633079 wouter Fri, 03 Sep 2010 12:50:14 +0000 http://www.emanueleferonato.com/?p=732#comment-633079 for those who find this usefull. i made an editor for drawing complex shapes for box2d. in this version you can grab the generated xml from te process xml button. find it at: http://www.nuvorm.nl/start/index.php?option=com_content&view=article&id=83:box-2d-complex-shape-editor&catid=40:experiments&Itemid=53 for those who find this usefull.
i made an editor for drawing complex shapes for box2d.
in this version you can grab the generated xml from te process xml button.

find it at:

http://www.nuvorm.nl/start/index.php?option=com_content&view=article&id=83:box-2d-complex-shape-editor&catid=40:experiments&Itemid=53

]]> By: pbear http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-568297 pbear Thu, 15 Apr 2010 21:15:58 +0000 http://www.emanueleferonato.com/?p=732#comment-568297 For those getting no result, you need to add a line to set the flags. It was apparently dropped from the previous version. Right before these lines: m_world.SetDebugDraw(dbgDraw); // debug draw end Add: dbgDraw.m_drawFlags = b2DebugDraw.e_shapeBit | b2DebugDraw.e_jointBit | b2DebugDraw.e_coreShapeBit | b2DebugDraw.e_aabbBit | b2DebugDraw.e_obbBit | b2DebugDraw.e_pairBit | b2DebugDraw.e_centerOfMassBit; And you should be able to see what is going on. For those getting no result, you need to add a line to set the flags. It was apparently dropped from the previous version. Right before these lines:

m_world.SetDebugDraw(dbgDraw);
// debug draw end

Add:
dbgDraw.m_drawFlags = b2DebugDraw.e_shapeBit | b2DebugDraw.e_jointBit | b2DebugDraw.e_coreShapeBit | b2DebugDraw.e_aabbBit | b2DebugDraw.e_obbBit | b2DebugDraw.e_pairBit | b2DebugDraw.e_centerOfMassBit;

And you should be able to see what is going on.

]]> By: Real world catapult prototype using Box2D : Emanuele Feronato - italian geek and PROgrammer http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-565094 Real world catapult prototype using Box2D : Emanuele Feronato - italian geek and PROgrammer Wed, 07 Apr 2010 20:44:50 +0000 http://www.emanueleferonato.com/?p=732#comment-565094 [...] and uncommented code, but a lot of useful information about compound objects, revolute joints and [...] [...] and uncommented code, but a lot of useful information about compound objects, revolute joints and [...]

]]> By: Justin Edmond http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-458270 Justin Edmond Sat, 06 Jun 2009 18:02:29 +0000 http://www.emanueleferonato.com/?p=732#comment-458270 I'm getting the same issue as some other people where nothing is showing up... I'm digging around the code but I can't find a reason why it should be doing this. I’m getting the same issue as some other people where nothing is showing up…

I’m digging around the code but I can’t find a reason why it should be doing this.

]]> By: Understanding custom polygons in Box2D : Emanuele Feronato http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-357280 Understanding custom polygons in Box2D : Emanuele Feronato Fri, 19 Dec 2008 17:41:35 +0000 http://www.emanueleferonato.com/?p=732#comment-357280 [...] week I explained The magic of compound objects with Box2D, now it’s time to understanding custom [...] [...] week I explained The magic of compound objects with Box2D, now it’s time to understanding custom [...]

]]> By: samuvagyok http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-354580 samuvagyok Mon, 15 Dec 2008 13:41:59 +0000 http://www.emanueleferonato.com/?p=732#comment-354580 Good article! Have you ever tried to use "custom" polygons? When I created one in box2d it seems it doesn't use the physics - no gravity, no collision etc. and I still can't find any helpful post in the box2d forum. Maybe I missed something that is in the setAsBox method... Would you write an article about custom shapes? Thanks, and best regards! S Good article!
Have you ever tried to use “custom” polygons?
When I created one in box2d it seems it doesn’t use the physics – no gravity, no collision etc. and I still can’t find any helpful post in the box2d forum. Maybe I missed something that is in the setAsBox method…
Would you write an article about custom shapes?
Thanks, and best regards!
S

]]> By: Pippo http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-354018 Pippo Sun, 14 Dec 2008 18:25:40 +0000 http://www.emanueleferonato.com/?p=732#comment-354018 using debugsrite using debugsrite

]]> By: ruslan http://www.emanueleferonato.com/2008/12/12/the-magic-of-compound-objects-with-box2d/#comment-353587 ruslan Sun, 14 Dec 2008 00:18:18 +0000 http://www.emanueleferonato.com/?p=732#comment-353587 How do you visualize the shapes(boxes)?? How do you visualize the shapes(boxes)??

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