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

: 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 go

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

rootNode transformation is the identity and the vehicle has no transform node at all so that the transformation in world coords is simply the transformation of 'vehicleAnimation'! i hope this helps. if not, try looking at this example: http://osgcvs.no-ip.com/osgarchiver/archives/February2005

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

i missing anything? ANy suggestions? Thanks for your help... Siddharth - Original Message From: Siddharth Palaniappan <[EMAIL PROTECTED]> To: OpenSceneGraph Users Sent: Saturday, December 1, 2007 2:56:27 PM Subject: Re: [osg-users] Getting world coord bounding box Hi daniel,

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

coordinates and the one AFTER transforming. just render to boxes or render spheres in two different colors marking the positions of the corners. i am sure, having something visually, you will be able to figure out the problem. cheers, daniel Siddharth Palaniappan wrote: > Hi Daniel, >

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

ssage From: Siddharth Palaniappan <[EMAIL PROTECTED]> To: OpenSceneGraph Users 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/Su

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

: 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 using openscenegraph for my class project to simulate traff

[osg-users] Getting world coord bounding box

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 animationpa