Re: [osg-users] Getting world coord bounding box

2007-12-03 Thread Siddharth Palaniappan
, December 1, 2007 2:50:11 PM Subject: Re: [osg-users] Getting world coord bounding box hi siddharth, i just started being confused reading the link you sent me when i got this new email of yours :) if i am in a situation like this what i usually do is i draw what i can't see. in your case

Re: [osg-users] Getting world coord bounding box

2007-12-03 Thread Siddharth Palaniappan
Subject: Re: [osg-users] Getting world coord bounding box Siddharth Palaniappan wrote on Monday, December 03, 2007 7:18 AM: Hi Daniel, I tried getting the WC from the animationpathcallback and concatenating with other matrices along the nodes. I get wierd results. When the vehicle goes

Re: [osg-users] Getting world coord bounding box

2007-12-02 Thread Siddharth Palaniappan
? Thanks for your help... Siddharth - Original Message From: Siddharth Palaniappan [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Saturday, December 1, 2007 2:56:27 PM Subject: Re: [osg-users] Getting world coord bounding box Hi daniel, Yes thats

Re: [osg-users] Getting world coord bounding box

2007-12-02 Thread Daniel Holz
? Thanks for your help... Siddharth - Original Message From: Siddharth Palaniappan [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Saturday, December 1, 2007 2:56:27 PM Subject: Re: [osg-users] Getting world coord bounding box Hi daniel, Yes

[osg-users] Getting world coord bounding box

2007-12-01 Thread Siddharth Palaniappan
Hi osg users, I'm currently using openscenegraph for my class project to simulate traffic. I have a problem in that , i need to find collision detection between consecutive cars and stop the car if there is a collision. I have followed the osgExample- for animation. I have used an

Re: [osg-users] Getting world coord bounding box

2007-12-01 Thread Daniel Holz
hi, don't you have to multiply the matrix from the left side with the vector, like this: M * x = x', whereas M is your 'WorldCoordsMatrix', x is your local BBox vector and x' is the same in world coords. hope this helps. daniel Siddharth Palaniappan wrote: Hi osg users, I'm currently

Re: [osg-users] Getting world coord bounding box

2007-12-01 Thread Siddharth Palaniappan
- Original Message From: Daniel Holz [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Saturday, December 1, 2007 2:35:52 PM Subject: Re: [osg-users] Getting world coord bounding box hi, don't you have to multiply the matrix from the left side

Re: [osg-users] Getting world coord bounding box

2007-12-01 Thread Siddharth Palaniappan
From: Siddharth Palaniappan [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Saturday, December 1, 2007 2:41:19 PM Subject: Re: [osg-users] Getting world coord bounding box Hi daniel, I read thru this at the osg site : http://www.openscenegraph.org/projects

Re: [osg-users] Getting world coord bounding box

2007-12-01 Thread Daniel Holz
] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Saturday, December 1, 2007 2:41:19 PM Subject: Re: [osg-users] Getting world coord bounding box Hi daniel, I read thru this at the osg site : http://www.openscenegraph.org/projects/osg/wiki/Support/Maths