3 questions about NxOgre,something do not work...

1.Body=mNxScene->createBody(Modelname+";"+filename, new NxOgre::CubeShape(1.0f), Vector3(0,0,0), "mass: 10, static:no");

I don't know the boundingbox of body,so whether can I get the size automatically instead of "CubeShape(1.0f)"?

2.I have added a Ogre::Geometry and a car(body) into my world, then I write "body->addForce(Vector3(10,0,10))",but my car doesn't move.

3.how can I scale the geometry?

thx for helping!

You are best off using a purposely modelled shape for the collision shape really, pass the .mesh model to a ConvexShape or a TriangleShape and NxOgre will create the PhysX shape for you.

Is Vector3(10,0,10) enough force to move the body? try adding more.

I'm not sure about question 3.

1.if you want to use box for collision detection, here's a short code for finding the box size from bounding box.

Ogre::AxisAlignedBox charAAB = mEntity->getBoundingBox();
Ogre::Vector3 min = charAAB.getMinimum();
Ogre::Vector3 max = charAAB.getMaximum();
Ogre::Vector3 center = charAAB.getCenter();
Ogre::Vector3 size( fabs( max.x - min.x), fabs( max.y - min.y), fabs( max.z - min.z ) );

then just use size.x, size.y and size.z in CubeShape.


2.not sure, need more info, try adding more force.

3.What I did was getting the node and scale it. For collision scaling, just have size parameters times the scale factor when creating the shape.