Bouncing Balls in OSG

#include "StdAfx.h"
#include "Ball.h"
#include "Simulator.h"
#include "BounceWall.h"
#include "BounceBalls.h"

CBall::CBall( CSimulator *sim, double radius, double time, osg::Vec3d pos, osg::Vec3d vel )
	: situation( sim, time, pos, vel )
{
	this->radius = radius;
	for( int i=0; i<3; ++i )
	{
		bounces[i] = new CBounceWall(this,i);
		sim->Add( bounces[i] );
	}
}

CBall::~CBall(void)
{
}

CSimulator *CBall::Simulator()
{
	return situation.Simulator();
}

void CBall::PredictChanges()
{
	double t = situation.GetBaseTime();
	for( int i=0; i<3; ++i )
		bounces[i]->PredictCollisionBetweenBallAndWall( t );
	for( Colliders::iterator it = colliders.begin();
		it != colliders.end(); ++it )
		(*it)->PredictCollisionBetweenBalls( t );
}

void CBall::AddCollider( CBounceBalls *collider )
{
	colliders.push_back( collider );
}