Smooth Collision

Sorry to post in such a short time and for my poor English.

But I just can't find way to solve the problem.

Here's the thing :

My project got two Character (Main character and NPC).

I move the main character by adding force.

When the two character collision , the movement of two body just shiver around.

Or the NPC just fly away.

My goal is to make the collision smoothly just like the normal game's collision.

Like : when I walk to the npc and collision occor , the npc won't move , and the main character just slide to side by the npc.

Here's my code of setting the body:


mEntity = mSceneMgr->createEntity("NPC","npc.mesh");
mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("NPCnode",Vector3(0,0,0));
mNode->attachObject(mEntity);
mNode->scale(0.1,0.1,0.1);
OgreNewt::Body *npcBody;

OgreNewt::Collision* col = new OgreNewt::CollisionPrimitives::ConvexHull(m_World,mNode);
npcBody = new OgreNewt::Body( m_World, col );
Ogre::Vector3 inertia = Ogre::Vector3::ZERO;
npcBody->setMassMatrix( 90000 , inertia );
npcBody->attachToNode( mNode );
npcBody->setPositionOrientation(Vector3(-1035,10,98),mNode->getOrientation());
npcBody->setStandardForceCallback();
OgreNewt::BasicJoints::UpVector(m_World,npcBody,Vector3(Vector3::UNIT_Y));
delete col;




Here's the main character's forcecallback function:


Vector3 inertia,move(0,0,0),pos;
Ogre::Quaternion orient;
Real mass;

me->getMassMatrix(mass,inertia);
me->getPositionOrientation(pos,orient);

Ogre::Vector3 V1 = orient * mDirection , V0 = me->getVelocity();
Ogre::Vector3 accel = (( V1 - V0 ) / me->getWorld()->getTimeStep());
move = accel*mass;
move.y = -9.8*mass;

me->addForce(move);

OgreNewt::BasicJoints::UpVector(m_World,me,Vector3(Vector3::UNIT_Y));


I trying to set the parameter of mass and inertia , but just can't make it work.

Maybe it's a newbie question.

But I just can't find way to solve it...

Please give me some advice.

And thanks for the reading.