Example #1
0
void ComponentMovement::createMotorJoints() {
	ASSERT(physicsEngine, "Null pointer: physicsEngine");
	
	dBodyID body = getBodyID();
	ASSERT(body, "Cannot create motor joints: No physics body available");
	
	amotor = dJointCreateAMotor(physicsEngine->getWorld(), 0);
	dJointAttach(amotor, body, 0);
	dJointSetAMotorNumAxes(amotor, 3);
	dJointSetAMotorAxis (amotor, 0, 1, 1, 0, 0);
	dJointSetAMotorAxis (amotor, 1, 1, 0, 1, 0);
	dJointSetAMotorAxis (amotor, 2, 1, 0, 0, 1);
	dJointSetAMotorParam(amotor, dParamFMax,  maxForce);
	dJointSetAMotorParam(amotor, dParamFMax2, maxForce);
	dJointSetAMotorParam(amotor, dParamFMax3, maxForce);
	dJointSetAMotorParam(amotor, dParamVel,  0);
	dJointSetAMotorParam(amotor, dParamVel2, 0);
	dJointSetAMotorParam(amotor, dParamVel3, 0);
	
	lmotor = dJointCreateLMotor(physicsEngine->getWorld(), 0);
	dJointAttach(lmotor, body, 0);
	dJointSetLMotorNumAxes(lmotor, 2);
	dJointSetLMotorAxis (lmotor, 0, 1, 1, 0, 0);
	dJointSetLMotorAxis (lmotor, 1, 1, 0, 1, 0);
	dJointSetLMotorParam(lmotor, dParamFMax,  maxForce);
	dJointSetLMotorParam(lmotor, dParamFMax2, maxForce);
	dJointSetLMotorParam(lmotor, dParamVel,  0);
	dJointSetLMotorParam(lmotor, dParamVel2, 0);
}
Example #2
0
// ang2 = position angle
// ang  = rotation angle
Robot::Wheel::Wheel(Robot* robot,int _id,float ang,float ang2,int wheeltexid)
{
    id = _id;
    rob = robot;
    float rad = rob->cfg->robotSettings.RobotRadius - rob->cfg->robotSettings.WheelThickness / 2.0;
    ang *= M_PI/180.0f;
    ang2 *= M_PI/180.0f;
    float x = rob->m_x;
    float y = rob->m_y;
    float z = rob->m_z;
    float centerx = x+rad*cos(ang2);
    float centery = y+rad*sin(ang2);
    float centerz = z-rob->cfg->robotSettings.RobotHeight*0.5+rob->cfg->robotSettings.WheelRadius-rob->cfg->robotSettings.BottomHeight;
    cyl = new PCylinder(centerx,centery,centerz,rob->cfg->robotSettings.WheelRadius,rob->cfg->robotSettings.WheelThickness,rob->cfg->robotSettings.WheelMass,0.9,0.9,0.9,wheeltexid);
    cyl->setRotation(-sin(ang),cos(ang),0,M_PI*0.5);
    cyl->setBodyRotation(-sin(ang),cos(ang),0,M_PI*0.5,true);       //set local rotation matrix
    cyl->setBodyPosition(centerx-x,centery-y,centerz-z,true);       //set local position vector
    cyl->space = rob->space;

    rob->w->addObject(cyl);

    joint = dJointCreateHinge (rob->w->world,0);

    dJointAttach (joint,rob->chassis->body,cyl->body);
    const dReal *a = dBodyGetPosition (cyl->body);
    dJointSetHingeAxis (joint,cos(ang),sin(ang),0);
    dJointSetHingeAnchor (joint,a[0],a[1],a[2]);

    motor = dJointCreateAMotor(rob->w->world,0);
    dJointAttach(motor,rob->chassis->body,cyl->body);
    dJointSetAMotorNumAxes(motor,1);
    dJointSetAMotorAxis(motor,0,1,cos(ang),sin(ang),0);
    dJointSetAMotorParam(motor,dParamFMax,rob->cfg->robotSettings.Wheel_Motor_FMax);
    speed = 0;
}
osaODEServoMotor::osaODEServoMotor(dWorldID world, 
				       dBodyID body1, 
				       dBodyID body2,
				       const vctFixedSizeVector<double,3>& axis,
				       double vwmax,
				       double ftmax,
				       dJointType motortype ) : 
  vwmax( fabs( vwmax ) ),
  ftmax( fabs( ftmax ) ) {
  
  if( motortype == dJointTypeHinge ){
    motorid = dJointCreateAMotor( world, 0 );       // create the motor
    dJointAttach( MotorID(), body1, body2 );        // attach the joint
    dJointSetAMotorMode( MotorID(), dAMotorUser );  // motor is in user mode
    dJointSetAMotorNumAxes( MotorID(), 1 );         // only 1 axis
    dJointSetAMotorAxis( MotorID(), 0, 2, axis[0], axis[1], axis[2] );

    SetVelocity( 0.0 );    // idle the motor
  }

  if( motortype == dJointTypeSlider ){
    motorid = dJointCreateLMotor( world, 0 );     // create the motor
    dJointAttach( MotorID(), body1, body2 );      // attach the joint
    dJointSetLMotorNumAxes( MotorID(), 1 );       // 1 axis 
    dJointSetLMotorAxis( MotorID(), 0, 2, axis[0], axis[1], axis[2] );

    SetVelocity( 0.0 );    // idle the motor
  }
  
}
Example #4
0
void BallJoint::createMotorPhysics()
{
  for(unsigned int i=0; i<this->motors.size(); i++)
  {
    dJointID physMotor = dJointCreateAMotor(*(this->simulation->getPhysicalWorld()), 0);
    this->motors[i]->setPhysicalMotor(physMotor);
    dJointAttach(physMotor, dJointGetBody(this->physicalJoint, 0), dJointGetBody(this->physicalJoint, 1));

    if(this->motors[i]->getKind() == "eulermotor")
      dJointSetAMotorMode(physMotor, dAMotorEuler);
    else
      dJointSetAMotorMode(physMotor, dAMotorUser);

    //user defined motor
    if(this->motors[i]->getKind() == "userdefinedmotor")
    {
      unsigned short numOfAxes = this->motors[i]->getNumberOfParsedAxes();
      dJointSetAMotorNumAxes(physMotor, numOfAxes);

      dBodyID b1= dJointGetBody(this->physicalJoint, 0);
      if(b1 != NULL)
      {
        for(int j=0; j < numOfAxes; j++)
        {
          MotorAxisDescription* ax = this->motors[i]->getAxis(j);
          dJointSetAMotorAxis(physMotor, j, 1, dReal(ax->direction.v[0]), dReal(ax->direction.v[1]), dReal(ax->direction.v[2]));
        }
      }
      else
      {
        for(int j=0; j < numOfAxes; j++)
        {
          MotorAxisDescription* ax = this->motors[i]->getAxis(j);
          dJointSetAMotorAxis(physMotor, j, 0, dReal(ax->direction.v[0]), dReal(ax->direction.v[1]), dReal(ax->direction.v[2]));
        }
      }

      //maxForce and maxVelocity are stored in each axis of the motor
      dJointSetAMotorParam(physMotor, dParamFMax, dReal(this->motors[i]->getAxis(0)->maxForce));
      if(numOfAxes > 1)
      {
        dJointSetAMotorParam(physMotor, dParamFMax2, dReal(this->motors[i]->getAxis(1)->maxForce));
        if(numOfAxes > 2)
        {
          dJointSetAMotorParam(physMotor, dParamFMax3, dReal(this->motors[i]->getAxis(2)->maxForce));
        }
      }
      //stops are useless for balljoint
    }
  }


}
Example #5
0
    void capsule::create_physical_body(
                        double x,
                        double y,
                        double z,
                        double radius,
                        double length,
                        double mass,
                        manager& mgr)
    {
        this->radius = radius;
        this->length = length;      
	
		world_id = mgr.ode_world();
		space_id = mgr.ode_space();
        //set the body orientation
      //  dMatrix3 R;
        //dRFromAxisAndAngle(R,1,0,0,M_PI/2);
        //dBodySetRotation(body_id,R);

        //create the geom
        geom_id=dCreateCapsule(mgr.ode_space(),radius,length);
        object::set_geom_data(geom_id); //must make sure to set the geom data for the collision callback!
		dGeomSetPosition (geom_id, x, y, z); 		

		if(mass > 0)
		{
			object::create_rigid_body(x, y, z, mgr);
			set_mass(mass);
			dGeomSetBody(geom_id,body_id);
		
			              
			//create an amotor to keep the body vertical
			amotor_id=dJointCreateAMotor(mgr.ode_world(),0);
			dJointAttach(amotor_id,body_id,0);
			dJointSetAMotorMode(amotor_id,dAMotorEuler);
			dJointSetAMotorNumAxes(amotor_id,3); 
			dJointSetAMotorAxis(amotor_id,0,0,1,0,0); 
			dJointSetAMotorAxis(amotor_id,1,0,0,1,0);
			dJointSetAMotorAxis(amotor_id,2,0,0,0,1);
			dJointSetAMotorAngle(amotor_id,0,0);
			dJointSetAMotorAngle(amotor_id,1,0);
			dJointSetAMotorAngle(amotor_id,2,0);
			dJointSetAMotorParam(amotor_id,dParamLoStop,-0);
			dJointSetAMotorParam(amotor_id,dParamLoStop3,-0);
			dJointSetAMotorParam(amotor_id,dParamLoStop2,-0);
			dJointSetAMotorParam(amotor_id,dParamHiStop,0);
			dJointSetAMotorParam(amotor_id,dParamHiStop3,0);
			dJointSetAMotorParam(amotor_id,dParamHiStop2,0);
		
		}
    }
Example #6
0
void CPHCapture::PullingUpdate()
{
    if(!m_taget_element->isActive()||inl_ph_world().Device().dwTimeGlobal-m_time_start>m_capture_time)
    {
        Release();
        return;
    }

    Fvector dir;
    Fvector capture_bone_position;
    //CObject* object=smart_cast<CObject*>(m_character->PhysicsRefObject());
    capture_bone_position.set(m_capture_bone->mTransform.c);
    m_character->PhysicsRefObject()->ObjectXFORM().transform_tiny(capture_bone_position);
    m_taget_element->GetGlobalPositionDynamic(&dir);
    dir.sub(capture_bone_position,dir);
    float dist=dir.magnitude();
    if(dist>m_pull_distance)
    {
        Release();
        return;
    }
    dir.mul(1.f/dist);
    if(dist<m_capture_distance)
    {
        m_back_force=0.f;

        m_joint=dJointCreateBall(0,0);
        m_island.AddJoint(m_joint);
        m_ajoint=dJointCreateAMotor(0,0);
        m_island.AddJoint(m_ajoint);
        dJointSetAMotorMode (m_ajoint, dAMotorEuler);
        dJointSetAMotorNumAxes (m_ajoint, 3);

        CreateBody();
        dBodySetPosition(m_body,capture_bone_position.x,capture_bone_position.y,capture_bone_position.z);
        VERIFY( smart_cast<CPHElement*>(m_taget_element) );
        CPHElement	* e = static_cast<CPHElement*>(m_taget_element);
        dJointAttach(m_joint,m_body,e->get_body());
        dJointAttach(m_ajoint,m_body,e->get_body());
        dJointSetFeedback (m_joint, &m_joint_feedback);
        dJointSetFeedback (m_ajoint, &m_joint_feedback);
        dJointSetBallAnchor(m_joint,capture_bone_position.x,capture_bone_position.y,capture_bone_position.z);


        dJointSetAMotorAxis (m_ajoint, 0, 1, dir.x, dir.y, dir.z);

        if(dir.x>EPS)
        {
            if(dir.y>EPS)
            {
                float mag=dir.x*dir.x+dir.y*dir.y;
                dJointSetAMotorAxis (m_ajoint, 2, 2, -dir.y/mag, dir.x/mag, 0.f);
            }
            else if(dir.z>EPS)
            {
                float mag=dir.x*dir.x+dir.z*dir.z;
                dJointSetAMotorAxis (m_ajoint, 2, 2, -dir.z/mag,0.f,dir.x/mag);
            }
            else
            {
                dJointSetAMotorAxis (m_ajoint, 2, 2, 1.f,0.f,0.f);
            }
        }
        else
        {
            if(dir.y>EPS)
            {

                if(dir.z>EPS)
                {
                    float mag=dir.y*dir.y+dir.z*dir.z;
                    dJointSetAMotorAxis (m_ajoint, 2, 2,0.f,-dir.z/mag,dir.y/mag);
                }
                else
                {
                    dJointSetAMotorAxis (m_ajoint, 2, 2, 0.f,1.f,0.f);
                }
            }
            else
            {
                dJointSetAMotorAxis (m_ajoint, 2, 2, 0.f,0.f,1.f);
            }
        }
        //float hi=-M_PI/2.f,lo=-hi;
        //dJointSetAMotorParam(m_ajoint,dParamLoStop ,lo);
        //dJointSetAMotorParam(m_ajoint,dParamHiStop ,hi);
        //dJointSetAMotorParam(m_ajoint,dParamLoStop2 ,lo);
        //dJointSetAMotorParam(m_ajoint,dParamHiStop2 ,hi);
        //dJointSetAMotorParam(m_ajoint,dParamLoStop3 ,lo);
        //dJointSetAMotorParam(m_ajoint,dParamHiStop3 ,hi);


        dJointSetAMotorParam(m_ajoint,dParamFMax ,m_capture_force*0.2f);
        dJointSetAMotorParam(m_ajoint,dParamVel  ,0.f);

        dJointSetAMotorParam(m_ajoint,dParamFMax2 ,m_capture_force*0.2f);
        dJointSetAMotorParam(m_ajoint,dParamVel2  ,0.f);

        dJointSetAMotorParam(m_ajoint,dParamFMax3 ,m_capture_force*0.2f);
        dJointSetAMotorParam(m_ajoint,dParamVel3  ,0.f);


///////////////////////////////////
        float sf=0.1f,df=10.f;

        float erp=ERP(world_spring*sf,world_damping*df);
        float cfm=CFM(world_spring*sf,world_damping*df);
        dJointSetAMotorParam(m_ajoint,dParamStopERP ,erp);
        dJointSetAMotorParam(m_ajoint,dParamStopCFM ,cfm);

        dJointSetAMotorParam(m_ajoint,dParamStopERP2 ,erp);
        dJointSetAMotorParam(m_ajoint,dParamStopCFM2 ,cfm);

        dJointSetAMotorParam(m_ajoint,dParamStopERP3 ,erp);
        dJointSetAMotorParam(m_ajoint,dParamStopCFM3 ,cfm);
        /////////////////////////////////////////////////////////////////////
        ///dJointSetAMotorParam(m_joint1,dParamFudgeFactor ,0.1f);
        //dJointSetAMotorParam(m_joint1,dParamFudgeFactor2 ,0.1f);
        //dJointSetAMotorParam(m_joint1,dParamFudgeFactor3 ,0.1f);
        /////////////////////////////////////////////////////////////////////////////
        sf=0.1f,df=10.f;
        erp=ERP(world_spring*sf,world_damping*df);
        cfm=CFM(world_spring*sf,world_damping*df);
        dJointSetAMotorParam(m_ajoint,dParamCFM ,cfm);
        dJointSetAMotorParam(m_ajoint,dParamCFM2 ,cfm);
        dJointSetAMotorParam(m_ajoint,dParamCFM3 ,cfm);


///////////////////////////

        //dJointSetAMotorParam(m_ajoint,dParamLoStop ,0.f);
        //dJointSetAMotorParam(m_ajoint,dParamHiStop ,0.f);
        m_taget_element->set_LinearVel ( Fvector().set( 0 ,0, 0 ) );
        m_taget_element->set_AngularVel( Fvector().set( 0 ,0, 0 ) );


        m_taget_element->set_DynamicLimits();
        //m_taget_object->PPhysicsShell()->set_JointResistance()
        e_state=cstCaptured;
        return;
    }
    m_taget_element->applyForce(dir,m_pull_force);
}
dJointID ODE_PID_PassiveActuatorModel::createJoint(dBodyID body1, dBodyID body2) {

	Vector3DValue *jointAxisPoint1 = dynamic_cast<Vector3DValue*>(mOwner->getParameter("AxisPoint1"));
	Vector3DValue *jointAxisPoint2 = dynamic_cast<Vector3DValue*>(mOwner->getParameter("AxisPoint2"));
	DoubleValue *minAngleValue = dynamic_cast<DoubleValue*>(mOwner->getParameter("MinAngle"));
	DoubleValue *maxAngleValue = dynamic_cast<DoubleValue*>(mOwner->getParameter("MaxAngle"));

	if(jointAxisPoint1 == 0 || jointAxisPoint2 == 0 || minAngleValue == 0 || maxAngleValue == 0) {
		Core::log("ODE_PID_PassiveActuatorModel: Could not find all required parameter values.");
		return 0;
	}

	if(jointAxisPoint1->get().equals(jointAxisPoint2->get(), -1)) {
		Core::log("ODE_PID_PassiveActuatorModel: Invalid axis points " + jointAxisPoint1->getValueAsString() + " and " + jointAxisPoint2->getValueAsString() + ".");
		return 0;
	}

	if(jointAxisPoint1->get().equals(jointAxisPoint2->get(), -1)) {
		Core::log("Invalid axes for ODE_PID_PassiveActuatorModel.");
		return 0;
	}

	Vector3D anchor = jointAxisPoint1->get();
	Vector3D axis = jointAxisPoint2->get() - jointAxisPoint1->get();

	dJointID joint = dJointCreateAMotor(mWorldID, mGeneralJointGroup);
	dJointAttach(joint, body1, body2);
	dJointSetAMotorMode(joint, dAMotorEuler);
	dJointSetAMotorParam(joint, dParamVel, 0.0);
	dJointSetAMotorParam(joint, dParamFMax, 1.0);
	dJointSetAMotorParam(joint, dParamCFM, mCFMValue->get());
	dJointSetAMotorParam(joint, dParamStopERP, mStopERPValue->get());
	dJointSetAMotorParam(joint, dParamStopCFM, mStopCFMValue->get());
	dJointSetAMotorParam(joint, dParamBounce, mBounceValue->get());
	dJointSetAMotorParam(joint, dParamFudgeFactor, mFudgeFactorValue->get());

	axis.normalize();
	Vector3D perpedicular;
	if(axis.getY() != 0.0 || axis.getX() != 0.0) {
		perpedicular.set(-axis.getY(), axis.getX(), 0);
	}
	else {
		perpedicular.set(0, -axis.getZ(), axis.getY());
	}

	perpedicular.normalize();

	// If one of the bodies is static, the motor axis need to be defined in a different way. For different constellations of static and dynamic bodies, the turn direction of the motor changed, so this had to be added.
	if(body1 == 0) {
		dJointSetAMotorAxis(joint, 0, 0, -axis.getX(), -axis.getY(), -axis.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 0, 1, axis.getX(), axis.getY(), axis.getZ());
	}
	if(body2 == 0) {
		dJointSetAMotorAxis(joint, 2, 0, -perpedicular.getX(), -perpedicular.getY(), 
			-perpedicular.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 2, 2, perpedicular.getX(), perpedicular.getY(), 
			perpedicular.getZ());
	}

	mHingeJoint = dJointCreateHinge(mWorldID, mGeneralJointGroup);
	dJointAttach(mHingeJoint, body1, body2);

	dJointSetHingeAnchor(mHingeJoint, anchor.getX(), anchor.getY(), anchor.getZ());
	dJointSetHingeAxis(mHingeJoint, axis.getX(), axis.getY(), axis.getZ());

	double minAngle = (minAngleValue->get() * Math::PI) / 180.0;
	double maxAngle = (maxAngleValue->get() * Math::PI) / 180.0;

	if(body1 == 0) {
		double tmp = minAngle;
		minAngle = -1.0 * maxAngle;
		maxAngle = -1.0 * tmp;
	}

	dJointSetHingeParam(mHingeJoint, dParamLoStop, minAngle);
	dJointSetHingeParam(mHingeJoint, dParamHiStop, maxAngle);

	dJointSetHingeParam(mHingeJoint, dParamVel, 0.0);
	return joint;
}
Example #8
0
State* init() {
    State* state = new State();
    dInitODE();

    SDL_Init(SDL_INIT_EVERYTHING);

    state->screen = SDL_SetVideoMode(WIDTH, HEIGHT, 32, SDL_OPENGL);
    SDL_WM_SetCaption("Physics", NULL);
    SDL_Flip(state->screen);

    SDL_ShowCursor(SDL_DISABLE);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(100, (float)WIDTH/HEIGHT, 0.5, 1000);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    GLfloat light_ambient[] = { 1, 1, 1, 1 };
    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
    GLfloat lightpos[] = {0, 4, 0, 1};
    glLightfv(GL_LIGHT0, GL_POSITION, lightpos);

    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
    glShadeModel(GL_SMOOTH);

    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    glEnable(GL_DEPTH_TEST);

    glEnable(GL_CULL_FACE);

    glClearColor(0, 0, 0, 1);

    state->posx = 0;//21;
    state->posy = 4;//8;
    state->posz = 5;//21;
    state->rotx = 0;
    state->roty = 0;//-40;
    state->rotz = 0;

    state->wkey = false;
    state->akey = false;
    state->skey = false;
    state->dkey = false;
    state->gkey = false;

    state->simSpeed = 60;

    state->carcam = false;

    state->carbodydrawable = new Drawable("objs/carbody.obj");
    state->carwheeldrawable = new Drawable("objs/carwheel.obj");
    state->map = new Drawable("objs/jump2.obj");
    state->cube = new Drawable("objs/cube.obj");
//    state->monkey = new Drawable("objs/monkey.obj");

    state->world = dWorldCreate();
    dWorldSetGravity(state->world, 0, -9.8, 0);

    state->worldSpace = dHashSpaceCreate(0);

    const double carHeight = 0.65;
    const double carZ = 90;
    const double carX = 0;
    const float speed = -1000;
    const float force = 200;

    state->carbodybody = dBodyCreate(state->world);
    dBodySetPosition(state->carbodybody, carX, carHeight, carZ);
    dMass bodymass;
    dMassSetBoxTotal(&bodymass, 100, 2, 4, 1);
    dBodySetMass(state->carbodybody, &bodymass);
    dGeomID carbodygeom = dCreateBox(state->worldSpace, 2, 1, 4);
    dGeomSetBody(carbodygeom, state->carbodybody);

    state->flcarwheelbody = dBodyCreate(state->world);
    dBodySetPosition(state->flcarwheelbody, carX-1.5, carHeight - 0.5, carZ+2);
    const dMatrix3 m = { 0, 0, 1, 0
                       , 0, 1, 0, 0
                       , 0, 0, 1, 0 };
    dBodySetRotation(state->flcarwheelbody, m);
    dMass wheelmass;
    dMassSetCylinder(&wheelmass, 0.1, 2, 0.5, 0.2);
    dBodySetMass(state->flcarwheelbody, &wheelmass);
    dJointID joint = dJointCreateHinge(state->world, 0);
    dJointAttach(joint, state->carbodybody, state->flcarwheelbody);
    dJointSetHingeAnchor(joint, carX-1.5, carHeight - 0.5, carZ+2);
    dJointSetHingeAxis(joint, 1, 0, 0);
    dGeomID flcarwheelgeom = dCreateCylinder(state->worldSpace, 0.5, 0.2);
    dGeomSetBody(flcarwheelgeom, state->flcarwheelbody);

    dJointID motor = dJointCreateAMotor(state->world, 0);
    dJointAttach(motor, state->flcarwheelbody, state->carbodybody);
    dJointSetAMotorNumAxes(motor, 1);
    dJointSetAMotorAxis(motor, 0, 1, 1, 0, 0);
    dJointSetAMotorParam(motor, dParamVel, speed);
    dJointSetAMotorParam(motor, dParamFMax, force);

    state->frcarwheelbody = dBodyCreate(state->world);
    dBodySetPosition(state->frcarwheelbody, carX+1.5, carHeight - 0.5, carZ+2);
    dBodySetRotation(state->frcarwheelbody, m);
    dBodySetMass(state->frcarwheelbody, &wheelmass);
    joint = dJointCreateHinge(state->world, 0);
    dJointAttach(joint, state->carbodybody, state->frcarwheelbody);
    dJointSetHingeAnchor(joint, carX+1.5, carHeight - 0.5, carZ+2);
    dJointSetHingeAxis(joint, 1, 0, 0);
    dGeomID frcarwheelgeom = dCreateCylinder(state->worldSpace, 0.5, 0.2);
    dGeomSetBody(frcarwheelgeom, state->frcarwheelbody);

    motor = dJointCreateAMotor(state->world, 0);
    dJointAttach(motor, state->frcarwheelbody, state->carbodybody);
    dJointSetAMotorNumAxes(motor, 1);
    dJointSetAMotorAxis(motor, 0, 1, 1, 0, 0);
    dJointSetAMotorParam(motor, dParamVel, speed);
    dJointSetAMotorParam(motor, dParamFMax, force);

    state->blcarwheelbody = dBodyCreate(state->world);
    dBodySetPosition(state->blcarwheelbody, carX-1.5, carHeight - 0.5, carZ-2);
    dBodySetRotation(state->blcarwheelbody, m);
    dBodySetMass(state->blcarwheelbody, &wheelmass);
    joint = dJointCreateHinge(state->world, 0);
    dJointAttach(joint, state->carbodybody, state->blcarwheelbody);
    dJointSetHingeAnchor(joint, carX-1.5, carHeight - 0.5, carZ-2);
    dJointSetHingeAxis(joint, 1, 0, 0);
    dGeomID blcarwheelgeom = dCreateCylinder(state->worldSpace, 0.5, 0.2);
    dGeomSetBody(blcarwheelgeom, state->blcarwheelbody);

    motor = dJointCreateAMotor(state->world, 0);
    dJointAttach(motor, state->blcarwheelbody, state->carbodybody);
    dJointSetAMotorNumAxes(motor, 1);
    dJointSetAMotorAxis(motor, 0, 1, 1, 0, 0);
    dJointSetAMotorParam(motor, dParamVel, speed);
    dJointSetAMotorParam(motor, dParamFMax, force);

    state->brcarwheelbody = dBodyCreate(state->world);
    dBodySetPosition(state->brcarwheelbody, carX+1.5, carHeight - 0.5, carZ-2);
    dBodySetRotation(state->brcarwheelbody, m);
    dBodySetMass(state->brcarwheelbody, &wheelmass);
    joint = dJointCreateHinge(state->world, 0);
    dJointAttach(joint, state->carbodybody, state->brcarwheelbody);
    dJointSetHingeAnchor(joint, carX+1.5, carHeight - 0.5, carZ-2);
    dJointSetHingeAxis(joint, 1, 0, 0);
    dGeomID brcarwheelgeom = dCreateCylinder(state->worldSpace, 0.5, 0.2);
    dGeomSetBody(brcarwheelgeom, state->brcarwheelbody);

    motor = dJointCreateAMotor(state->world, 0);
    dJointAttach(motor, state->brcarwheelbody, state->carbodybody);
    dJointSetAMotorNumAxes(motor, 1);
    dJointSetAMotorAxis(motor, 0, 1, 1, 0, 0);
    dJointSetAMotorParam(motor, dParamVel, speed);
    dJointSetAMotorParam(motor, dParamFMax, force);

    state->var = new double[3];

    state->var = dBodyGetPosition(state->carbodybody);
//    cout << state->var[0] << " " << state->var[1] << " " << state->var[2] << endl;
    //TODO check if translation matrix from dBody can be used.

    dSpaceID cubespace = dHashSpaceCreate(state->worldSpace);

    for(int i = 0; i < NUM_CUBES/10; i++) {
        for(int k = 0; k < 10; k++) {
            state->cubebody[i*10+k] = dBodyCreate(state->world);
            dBodySetAutoDisableFlag(state->cubebody[i*10+k], 1);
            dBodySetPosition(state->cubebody[i*10+k], (i*2.01)-4, 0.9 + 2.01*k, -70);
            dGeomID cubegeom = dCreateBox(cubespace, 2, 2, 2);
            dGeomSetBody(cubegeom, state->cubebody[i*10+k]);
        }
    }

    {
        int indexSize = state->map->vertices.size()/3;
        unsigned int* index = new unsigned int[indexSize];
        for(int i = 0; i < indexSize; i++)
            index[i] = i;

        dTriMeshDataID triMeshData = dGeomTriMeshDataCreate();
        dGeomTriMeshDataBuildSingle(triMeshData, state->map->vertices.data(), 12, state->map->vertices.size()/3, index, indexSize, 12);
        dGeomID mapGeom = dCreateTriMesh(state->worldSpace, triMeshData, NULL, NULL, NULL);
        dGeomSetPosition(mapGeom, 0, 0, 0);
    }
//    state->monkeyBody = dBodyCreate(state->world);
//    {
//        int indexSize = state->monkey->vertices.size()/3;
//        unsigned int* index = new unsigned int[indexSize];
//        for(int i = 0; i < indexSize; i++)
//            index[i] = i;

//        dTriMeshDataID triMeshData = dGeomTriMeshDataCreate();
//        dGeomTriMeshDataBuildSingle(triMeshData, state->monkey->vertices.data(), 12, state->monkey->vertices.size()/3, index, indexSize, 12);
//        dGeomID monkeyGeom = dCreateTriMesh(state->worldSpace, triMeshData, NULL, NULL, NULL);
//        dGeomSetPosition(monkeyGeom, 0, 2, 0);
//        dGeomSetBody(monkeyGeom, state->monkeyBody);
//    }

    state->physicsContactgroup = dJointGroupCreate(0);

    return state;
}
int setupTest (int n)
{
  switch (n) {

  // ********** fixed joint

  case 0: {			// 2 body
    constructWorldForTest (0,2,
			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
			   1,1,0, 1,1,0,
			   0.25*M_PI,0.25*M_PI);
    joint = dJointCreateFixed (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetFixed (joint);
    return 1;
  }

  case 1: {			// 1 body to static env
    constructWorldForTest (0,1,
			   0.5*SIDE,0.5*SIDE,1, 0,0,0,
			   1,0,0, 1,0,0,
			   0,0);
    joint = dJointCreateFixed (world,0);
    dJointAttach (joint,body[0],0);
    dJointSetFixed (joint);
    return 1;
  }

  case 2: {			// 2 body with relative rotation
    constructWorldForTest (0,2,
			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
			   1,1,0, 1,1,0,
			   0.25*M_PI,-0.25*M_PI);
    joint = dJointCreateFixed (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetFixed (joint);
    return 1;
  }

  case 3: {			// 1 body to static env with relative rotation
    constructWorldForTest (0,1,
			   0.5*SIDE,0.5*SIDE,1, 0,0,0,
			   1,0,0, 1,0,0,
			   0.25*M_PI,0);
    joint = dJointCreateFixed (world,0);
    dJointAttach (joint,body[0],0);
    dJointSetFixed (joint);
    return 1;
  }

  // ********** hinge joint

  case 200:			// 2 body
    constructWorldForTest (0,2,
			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
			   1,1,0, 1,1,0, 0.25*M_PI,0.25*M_PI);
    joint = dJointCreateHinge (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHingeAnchor (joint,0,0,1);
    dJointSetHingeAxis (joint,1,-1,1.41421356);
    return 1;

  case 220:			// hinge angle polarity test
  case 221:			// hinge angle rate test
    constructWorldForTest (0,2,
			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateHinge (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHingeAnchor (joint,0,0,1);
    dJointSetHingeAxis (joint,0,0,1);
    max_iterations = 50;
    return 1;

  case 230:			// hinge motor rate (and polarity) test
  case 231:			// ...with stops
    constructWorldForTest (0,2,
			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateHinge (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHingeAnchor (joint,0,0,1);
    dJointSetHingeAxis (joint,0,0,1);
    dJointSetHingeParam (joint,dParamFMax,1);
    if (n==231) {
      dJointSetHingeParam (joint,dParamLoStop,-0.5);
      dJointSetHingeParam (joint,dParamHiStop,0.5);
    }
    return 1;

  case 250:			// limit bounce test (gravity down)
  case 251: {			// ...gravity up
    constructWorldForTest ((n==251) ? 0.1 : -0.1, 2,
			   0.5*SIDE,0,1+0.5*SIDE, -0.5*SIDE,0,1-0.5*SIDE,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateHinge (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHingeAnchor (joint,0,0,1);
    dJointSetHingeAxis (joint,0,1,0);
    dJointSetHingeParam (joint,dParamLoStop,-0.9);
    dJointSetHingeParam (joint,dParamHiStop,0.7854);
    dJointSetHingeParam (joint,dParamBounce,0.5);
    // anchor 2nd body with a fixed joint
    dJointID j = dJointCreateFixed (world,0);
    dJointAttach (j,body[1],0);
    dJointSetFixed (j);
    return 1;
  }

  // ********** slider

  case 300:			// 2 body
    constructWorldForTest (0,2,
			   0,0,1, 0.2,0.2,1.2,
			   0,0,1, -1,1,0, 0,0.25*M_PI);
    joint = dJointCreateSlider (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetSliderAxis (joint,1,1,1);
    return 1;

  case 320:			// slider angle polarity test
  case 321:			// slider angle rate test
    constructWorldForTest (0,2,
			   0,0,1, 0,0,1.2,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateSlider (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetSliderAxis (joint,0,0,1);
    max_iterations = 50;
    return 1;

  case 330:			// slider motor rate (and polarity) test
  case 331:			// ...with stops
    constructWorldForTest (0, 2,
			   0,0,1, 0,0,1.2,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateSlider (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetSliderAxis (joint,0,0,1);
    dJointSetSliderParam (joint,dParamFMax,100);
    if (n==331) {
      dJointSetSliderParam (joint,dParamLoStop,-0.4);
      dJointSetSliderParam (joint,dParamHiStop,0.4);
    }
    return 1;

  case 350:			// limit bounce tests
  case 351: {
    constructWorldForTest ((n==351) ? 0.1 : -0.1, 2,
			   0,0,1, 0,0,1.2,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateSlider (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetSliderAxis (joint,0,0,1);
    dJointSetSliderParam (joint,dParamLoStop,-0.5);
    dJointSetSliderParam (joint,dParamHiStop,0.5);
    dJointSetSliderParam (joint,dParamBounce,0.5);
    // anchor 2nd body with a fixed joint
    dJointID j = dJointCreateFixed (world,0);
    dJointAttach (j,body[1],0);
    dJointSetFixed (j);
    return 1;
  }

  // ********** hinge-2 joint

  case 420:			// hinge-2 steering angle polarity test
  case 421:			// hinge-2 steering angle rate test
    constructWorldForTest (0,2,
			   0.5*SIDE,0,1, -0.5*SIDE,0,1,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateHinge2 (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHinge2Anchor (joint,-0.5*SIDE,0,1);
    dJointSetHinge2Axis1 (joint,0,0,1);
    dJointSetHinge2Axis2 (joint,1,0,0);
    max_iterations = 50;
    return 1;

  case 430:			// hinge 2 steering motor rate (+polarity) test
  case 431:			// ...with stops
  case 432:			// hinge 2 wheel motor rate (+polarity) test
    constructWorldForTest (0,2,
			   0.5*SIDE,0,1, -0.5*SIDE,0,1,
			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateHinge2 (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetHinge2Anchor (joint,-0.5*SIDE,0,1);
    dJointSetHinge2Axis1 (joint,0,0,1);
    dJointSetHinge2Axis2 (joint,1,0,0);
    dJointSetHinge2Param (joint,dParamFMax,1);
    dJointSetHinge2Param (joint,dParamFMax2,1);
    if (n==431) {
      dJointSetHinge2Param (joint,dParamLoStop,-0.5);
      dJointSetHinge2Param (joint,dParamHiStop,0.5);
    }
    return 1;

  // ********** angular motor joint

  case 600:			// test euler angle calculations
    constructWorldForTest (0,2,
			   -SIDE*0.5,0,1, SIDE*0.5,0,1,
			   0,0,1, 0,0,1, 0,0);
    joint = dJointCreateAMotor (world,0);
    dJointAttach (joint,body[0],body[1]);

    dJointSetAMotorNumAxes (joint,3);
    dJointSetAMotorAxis (joint,0,1, 0,0,1);
    dJointSetAMotorAxis (joint,2,2, 1,0,0);
    dJointSetAMotorMode (joint,dAMotorEuler);
    max_iterations = 200;
    return 1;

    // ********** universal joint

  case 700:			// 2 body
  case 701:
  case 702:
    constructWorldForTest (0,2,
 			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
 			   1,1,0, 1,1,0, 0.25*M_PI,0.25*M_PI);
    joint = dJointCreateUniversal (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetUniversalAnchor (joint,0,0,1);
    dJointSetUniversalAxis1 (joint, 1, -1, 1.41421356);
    dJointSetUniversalAxis2 (joint, 1, -1, -1.41421356);
    return 1;

  case 720:		// universal transmit torque test
  case 721:
  case 722:
  case 730:		// universal torque about axis 1
  case 731:
  case 732:
  case 740:		// universal torque about axis 2
  case 741:
  case 742:
    constructWorldForTest (0,2,
 			   0.5*SIDE,0.5*SIDE,1, -0.5*SIDE,-0.5*SIDE,1,
 			   1,0,0, 1,0,0, 0,0);
    joint = dJointCreateUniversal (world,0);
    dJointAttach (joint,body[0],body[1]);
    dJointSetUniversalAnchor (joint,0,0,1);
    dJointSetUniversalAxis1 (joint,0,0,1);
    dJointSetUniversalAxis2 (joint, 1, -1,0);
    max_iterations = 100;
    return 1;
  }
  return 0;
}
Example #10
0
dJointID ODE_Dynamixel::createJoint(dBodyID body1, dBodyID body2) {

	if(mJointAxisPoint1->get().equals(mJointAxisPoint2->get(), -1)) {
		Core::log("ODE_Dynamixel: Invalid axes for ODE_Dynamixel.", true);
		return 0;
	}

	Vector3D anchor = mJointAxisPoint1->get();
	Vector3D axis = mJointAxisPoint2->get() - mJointAxisPoint1->get();

	dJointID joint = dJointCreateAMotor(mWorldID, mGeneralJointGroup);
	dJointAttach(joint, body1, body2);
	dJointSetAMotorMode(joint, dAMotorEuler);
	dJointSetAMotorParam(joint, dParamVel, 0.0);
	dJointSetAMotorParam(joint, dParamFMax, mDesiredMotorTorqueValue->get());
	dJointSetAMotorParam(joint, dParamCFM, mCFMValue->get());
	dJointSetAMotorParam(joint, dParamStopERP, mStopERPValue->get());
	dJointSetAMotorParam(joint, dParamStopCFM, mStopCFMValue->get());
	dJointSetAMotorParam(joint, dParamBounce, mBounceValue->get());
	dJointSetAMotorParam(joint, dParamFudgeFactor, mFudgeFactorValue->get());

	axis.normalize();
	Vector3D perpedicular;
	if(axis.getY() != 0.0 || axis.getX() != 0.0) {
		perpedicular.set(-axis.getY(), axis.getX(), 0);
	}
	else {
		perpedicular.set(0, -axis.getZ(), axis.getY());
	}

	perpedicular.normalize();

	// If one of the bodies is static, the motor axis need to be defined in a different way. For different constellations of static and dynamic bodies, the turn direction of the motor changed, so this had to be added.
	if(body1 == 0) {
		dJointSetAMotorAxis(joint, 0, 0, -axis.getX(), -axis.getY(), -axis.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 0, 1, axis.getX(), axis.getY(), axis.getZ());
	}
	if(body2 == 0) {
		dJointSetAMotorAxis(joint, 2, 0, -perpedicular.getX(), -perpedicular.getY(), 
			-perpedicular.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 2, 2, perpedicular.getX(), perpedicular.getY(), 
			perpedicular.getZ());
	}

	mHingeJoint = dJointCreateHinge(mWorldID, mGeneralJointGroup);
	dJointAttach(mHingeJoint, body1, body2);

	dJointSetHingeAnchor(mHingeJoint, anchor.getX(), anchor.getY(), anchor.getZ());
	dJointSetHingeAxis(mHingeJoint, axis.getX(), axis.getY(), axis.getZ());

	if(body1 == 0) {
		double tmp = mMinAngle;
		mMinAngle = -1.0 * mMaxAngle;
		mMaxAngle = -1.0 * tmp;
	}

	dJointSetHingeParam(mHingeJoint, dParamLoStop, mMinAngle);
	dJointSetHingeParam(mHingeJoint, dParamHiStop, mMaxAngle);

	dJointSetHingeParam(mHingeJoint, dParamVel, 0.0);
	return joint;
}
Example #11
0
int main (int argc, char **argv)
{
  // setup pointers to drawstuff callback functions
  dsFunctions fn;
  fn.version = DS_VERSION;
  fn.start = &start;
  fn.step = &simLoop;
  fn.command = &command;
  fn.stop = 0;
  fn.path_to_textures = DRAWSTUFF_TEXTURE_PATH;

  // create world
  dInitODE2(0);
  contactgroup = dJointGroupCreate(0);
  world = dWorldCreate();
  space = dSimpleSpaceCreate(0);
  dMass m;
  dMassSetBox (&m,1,SIDE,SIDE,SIDE);
  dMassAdjust (&m,MASS);

  body[0] = dBodyCreate (world);
  dBodySetMass (body[0],&m);
  dBodySetPosition (body[0],0,0,1);
  geom[0] = dCreateBox(space,SIDE,SIDE,SIDE);
  body[1] = dBodyCreate (world);
  dBodySetMass (body[1],&m);
  dBodySetPosition (body[1],0,0,2);
  geom[1] = dCreateBox(space,SIDE,SIDE,SIDE); 

  dGeomSetBody(geom[0],body[0]);
  dGeomSetBody(geom[1],body[1]);

  lmotor[0] = dJointCreateLMotor (world,0);
  dJointAttach (lmotor[0],body[0],body[1]);
  lmotor[1] = dJointCreateLMotor (world,0);
  dJointAttach (lmotor[1],body[0],0);
  amotor[0] = dJointCreateAMotor(world,0);
  dJointAttach(amotor[0], body[0],body[1]);
  amotor[1] = dJointCreateAMotor(world,0);
  dJointAttach(amotor[1], body[0], 0);
  
  for (int i=0; i<2; i++) {
	  dJointSetAMotorNumAxes(amotor[i], 3);
	  dJointSetAMotorAxis(amotor[i],0,1,1,0,0);
	  dJointSetAMotorAxis(amotor[i],1,1,0,1,0);
	  dJointSetAMotorAxis(amotor[i],2,1,0,0,1);
	  dJointSetAMotorParam(amotor[i],dParamFMax,0.00001);
	  dJointSetAMotorParam(amotor[i],dParamFMax2,0.00001);
	  dJointSetAMotorParam(amotor[i],dParamFMax3,0.00001);

	  dJointSetAMotorParam(amotor[i],dParamVel,0);
	  dJointSetAMotorParam(amotor[i],dParamVel2,0);
	  dJointSetAMotorParam(amotor[i],dParamVel3,0);

	  dJointSetLMotorNumAxes(lmotor[i],3);
	  dJointSetLMotorAxis(lmotor[i],0,1,1,0,0);
	  dJointSetLMotorAxis(lmotor[i],1,1,0,1,0);
	  dJointSetLMotorAxis(lmotor[i],2,1,0,0,1);
	 
	  dJointSetLMotorParam(lmotor[i],dParamFMax,0.0001);
	  dJointSetLMotorParam(lmotor[i],dParamFMax2,0.0001);
	  dJointSetLMotorParam(lmotor[i],dParamFMax3,0.0001);
  }

  // run simulation
  dsSimulationLoop (argc,argv,352,288,&fn);

  dJointGroupDestroy(contactgroup);
  dSpaceDestroy (space);
  dWorldDestroy (world);
  dCloseODE();
  return 0;
}
Example #12
0
//since this is just the base level construction, we'll just make a sphere
bool AvatarConstruction::Construct( char* descriptionFile, DynamicsSolver* solver, Screen3D& Screen,MeshManager& MM, Position& Location, ICollisionHandler* aCollisionHandler )
{
    //deconstruct any old stuff
    Deconstruct();

    //save the solver pointer
    mySolver = solver;

    this->CollisionHandler = aCollisionHandler;

    //create the body list
    ObjectList = new DynamicsObject[1];
    this->nObjects = 1;

    //Create the geom group
    GeomGroup = dSimpleSpaceCreate (solver->GetSpaceID(false));

    //set up surface properties
    ObjectList[0].SurfaceDesc.ContactSlip1 = 0.01f;
    ObjectList[0].SurfaceDesc.ContactSlip2 = 0.01f;

    //set some other properties
    for(int i=0; i<nObjects; i++)
    {
        ObjectList[i].SurfaceDesc.Owner = &ObjectList[i];
        ObjectList[i].SurfaceDesc.ParentConstruction = this;
        ObjectList[i].SurfaceDesc.SoftCFM = .01f;
        ObjectList[i].SurfaceDesc.SoftERP = .1f;
        ObjectList[i].SurfaceDesc.mu	  = 10.0f;

        ObjectList[i].isAvatar = true;
        ObjectList[i].Owner = this;
    }


    //Create the actual body ( a sphere! )
    ObjectList[0].CreateBody( solver );
    dBodySetPosition ( ObjectList[0].Body, Location.x, Location.y, Location.z);
    dMassSetSphere ( &ObjectList[0].Mass, 1.0, 6.0 );
    dMassAdjust (&ObjectList[0].Mass, 1.0 );
    dBodySetMass( ObjectList[0].Body, &ObjectList[0].Mass);
    ObjectList[0].Geom = dCreateSphere (0,6.0);
    dGeomSetData( ObjectList[0].Geom, &ObjectList[0].SurfaceDesc );
    dGeomSetBody (ObjectList[0].Geom,ObjectList[0].Body);
    dSpaceAdd (GeomGroup,ObjectList[0].Geom);
    ObjectList[0].HasGeom = true;

    //create the angular motor
    this->nJoints = 1;
    JointList = new dJointID[nJoints];
    JointList[0] = dJointCreateAMotor( solver->GetWorldID(), 0 );
    dJointSetAMotorMode	( JointList[0], dAMotorUser );
    dJointSetAMotorNumAxes( JointList[0], 3 );
    dJointSetAMotorAxis(JointList[0], 0, 0, 1, 0, 0); //x axis
    dJointSetAMotorAxis(JointList[0], 1, 0, 0, 1, 0); //y axis
    dJointSetAMotorAxis(JointList[0], 2, 0, 0, 0, 1); //z axis
    dJointAttach( JointList[0], ObjectList[0].Body, NULL); //attach to world



    //set some properties
    LinearDisableEpsilon = .2;
    AngularDisableEpsilon = .01f;
    JumpDelay = 1000;
    LastJumpTime = 0;

    ForceEnable = false;
    //create the mesh for drawing
    D3DXCreateSphere( Screen.D3DDevice, 6.0f, 20, 20, &DrawMesh, NULL );



    return true;
}
void PhysicsAMotorJoint::changed(ConstFieldMaskArg whichField,
                                 UInt32            origin,
                                 BitVector         details)
{
    //Do not respond to changes that have a Sync origin
    if(origin & ChangedOrigin::Sync)
    {
        return;
    }

    if(whichField & WorldFieldMask)
    {
        if(_JointID)
        {
            dJointDestroy(_JointID);
            _JointID = dJointCreateAMotor(getWorld()->getWorldID(), 0);
        }
        else
        {
            _JointID = dJointCreateAMotor(getWorld()->getWorldID(), 0);
            if(!(whichField & VelFieldMask))
            {
                setVel(dJointGetAMotorParam(_JointID,dParamVel));
            }
            if(!(whichField & FMaxFieldMask))
            {
                setFMax(dJointGetAMotorParam(_JointID,dParamFMax));
            }
            if(!(whichField & FudgeFactorFieldMask))
            {
                setFudgeFactor(dJointGetAMotorParam(_JointID,dParamFudgeFactor));
            }
            if(!(whichField & Vel2FieldMask))
            {
                setVel2(dJointGetAMotorParam(_JointID,dParamVel2));
            }
            if(!(whichField & FMax2FieldMask))
            {
                setFMax2(dJointGetAMotorParam(_JointID,dParamFMax2));
            }
            if(!(whichField & FudgeFactor2FieldMask))
            {
                setFudgeFactor2(dJointGetAMotorParam(_JointID,dParamFudgeFactor2));
            }
            if(!(whichField & Vel3FieldMask))
            {
                setVel3(dJointGetAMotorParam(_JointID,dParamVel3));
            }
            if(!(whichField & FMax3FieldMask))
            {
                setFMax3(dJointGetAMotorParam(_JointID,dParamFMax3));
            }
            if(!(whichField & FudgeFactor3FieldMask))
            {
                setFudgeFactor3(dJointGetAMotorParam(_JointID,dParamFudgeFactor3));
            }
            if(!(whichField & HiStopFieldMask))
            {
                setHiStop(dJointGetAMotorParam(_JointID,dParamHiStop));
            }
            if(!(whichField & LoStopFieldMask))
            {
                setLoStop(dJointGetAMotorParam(_JointID,dParamLoStop));
            }
            if(!(whichField & BounceFieldMask))
            {
                setBounce(dJointGetAMotorParam(_JointID,dParamBounce));
            }
            if(!(whichField & CFMFieldMask))
            {
                setCFM(dJointGetAMotorParam(_JointID,dParamCFM));
            }
            if(!(whichField & StopCFMFieldMask))
            {
                setStopCFM(dJointGetAMotorParam(_JointID,dParamStopCFM));
            }
            if(!(whichField & StopERPFieldMask))
            {
                setStopERP(dJointGetAMotorParam(_JointID,dParamStopERP));
            }
            if(!(whichField & HiStop2FieldMask))
            {
                setHiStop2(dJointGetAMotorParam(_JointID,dParamHiStop2));
            }
            if(!(whichField & LoStop2FieldMask))
            {
                setLoStop2(dJointGetAMotorParam(_JointID,dParamLoStop2));
            }
            if(!(whichField & Bounce2FieldMask))
            {
                setBounce2(dJointGetAMotorParam(_JointID,dParamBounce2));
            }
            if(!(whichField & CFM2FieldMask))
            {
                setCFM2(dJointGetAMotorParam(_JointID,dParamCFM2));
            }
            if(!(whichField & StopCFM2FieldMask))
            {
                setStopCFM2(dJointGetAMotorParam(_JointID,dParamStopCFM2));
            }
            if(!(whichField & StopERP2FieldMask))
            {
                setStopERP2(dJointGetAMotorParam(_JointID,dParamStopERP2));
            }
            if(!(whichField & HiStop3FieldMask))
            {
                setHiStop3(dJointGetAMotorParam(_JointID,dParamHiStop3));
            }
            if(!(whichField & LoStop3FieldMask))
            {
                setLoStop3(dJointGetAMotorParam(_JointID,dParamLoStop3));
            }
            if(!(whichField & Bounce3FieldMask))
            {
                setBounce3(dJointGetAMotorParam(_JointID,dParamBounce3));
            }
            if(!(whichField & CFM3FieldMask))
            {
                setCFM3(dJointGetAMotorParam(_JointID,dParamCFM3));
            }
            if(!(whichField & StopCFM3FieldMask))
            {
                setStopCFM3(dJointGetAMotorParam(_JointID,dParamStopCFM3));
            }
            if(!(whichField & StopERP3FieldMask))
            {
                setStopERP3(dJointGetAMotorParam(_JointID,dParamStopERP3));
            }
        }
    }

    Inherited::changed(whichField, origin, details);

    if((whichField & NumAxesFieldMask) ||
            (whichField & WorldFieldMask))
    {
        dJointSetAMotorNumAxes(_JointID,getNumAxes());
    }
    if((whichField & Axis1FieldMask) ||
            (whichField & Axis1ReferenceFrameFieldMask) ||
            (whichField & WorldFieldMask))
    {
        dJointSetAMotorAxis(_JointID,0, getAxis1ReferenceFrame(), getAxis1().x(), getAxis1().y(), getAxis1().z());
    }
    if((whichField & Axis2FieldMask) ||
            (whichField & Axis2ReferenceFrameFieldMask) ||
            (whichField & WorldFieldMask))
    {
        dJointSetAMotorAxis(_JointID,1, getAxis2ReferenceFrame(), getAxis2().x(), getAxis2().y(), getAxis2().z());
    }
    if((whichField & Axis3FieldMask) ||
            (whichField & Axis3ReferenceFrameFieldMask) ||
            (whichField & WorldFieldMask))
    {
        dJointSetAMotorAxis(_JointID,2, getAxis3ReferenceFrame(), getAxis3().x(), getAxis3().y(), getAxis3().z());
    }
    if((whichField & VelFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamVel, getVel());
    }
    if((whichField & FMaxFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFMax, getFMax());
    }
    if((whichField & FudgeFactorFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFudgeFactor, getFudgeFactor());
    }
    if((whichField & Vel2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamVel2, getVel2());
    }
    if((whichField & FMax2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFMax2, getFMax2());
    }
    if((whichField & FudgeFactor2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFudgeFactor2, getFudgeFactor2());
    }
    if((whichField & Vel3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamVel3, getVel3());
    }
    if((whichField & FMax3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFMax3, getFMax3());
    }
    if((whichField & FudgeFactor3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamFudgeFactor3, getFudgeFactor3());
    }
    if((whichField & HiStopFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamHiStop, getHiStop());
    }
    if((whichField & LoStopFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamLoStop, getLoStop());
    }
    if((whichField & BounceFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamBounce, getBounce());
    }
    if((whichField & CFMFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamCFM, getCFM());
    }
    if((whichField & StopERPFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopERP, getStopERP());
    }
    if((whichField & StopCFMFieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopCFM, getStopCFM());
    }
    if((whichField & HiStop2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamHiStop2, getHiStop2());
    }
    if((whichField & LoStop2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamLoStop2, getLoStop2());
    }
    if((whichField & Bounce2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamBounce2, getBounce2());
    }
    if((whichField & CFM2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamCFM2, getCFM2());
    }
    if((whichField & StopERP2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopERP2, getStopERP2());
    }
    if((whichField & StopCFM2FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopCFM2, getStopCFM2());
    }
    if((whichField & HiStop3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamHiStop3, getHiStop3());
    }
    if((whichField & LoStop3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamLoStop3, getLoStop3());
    }
    if((whichField & Bounce3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamBounce3, getBounce3());
    }
    if((whichField & CFM3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamCFM3, getCFM3());
    }
    if((whichField & StopERP3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopERP3, getStopERP3());
    }
    if((whichField & StopCFM3FieldMask) || (whichField & WorldFieldMask))
    {
        dJointSetAMotorParam(_JointID,  dParamStopCFM3, getStopCFM3());
    }
}
dJointID ODE_U_FrictionTorqueMotorModel::createJoint(dBodyID body1, dBodyID body2) {

	if(mJointAxis1Point1 == 0 || mJointAxis1Point2 == 0
		|| mJointAxis2Point1 == 0 || mJointAxis2Point2 == 0) 
	{
		Core::log("ODE_U_FrictionTorqueMotorModel: Could not find all required parmaeter Values.");
		return 0;
	}

	if(mJointAxis1Point1->get().equals(mJointAxis1Point2->get(), -1)
		|| mJointAxis2Point1->get().equals(mJointAxis2Point2->get(), -1)) 
	{
		Core::log("Invalid axes for ODE_U_FrictionTorqueMotorModel: " + mJointAxis1Point1->getValueAsString() + " "
			+ mJointAxis1Point2->getValueAsString() + " " + mJointAxis2Point1->getValueAsString() + " "
			+ mJointAxis2Point2->getValueAsString());
		return 0;
	}

	Vector3D anchor = mAnchor->get();
	Vector3D axis1 = mJointAxis1Point2->get() - mJointAxis1Point1->get();
	Vector3D axis2 = mJointAxis2Point2->get() - mJointAxis2Point1->get();

	dJointID joint = dJointCreateAMotor(mWorldID, mGeneralJointGroup);
	dJointAttach(joint, body1, body2);

	dJointSetAMotorMode(joint, dAMotorEuler);
	dJointSetAMotorNumAxes(joint, 2);

	dJointSetAMotorParam(joint, dParamVel, 0.0);
	dJointSetAMotorParam(joint, dParamFMax, mDesiredMotorTorqueValue->get());
	dJointSetAMotorParam(joint, dParamCFM, mCFMValue->get());
	dJointSetAMotorParam(joint, dParamStopERP, mStopERPValue->get());
	dJointSetAMotorParam(joint, dParamStopCFM, mStopCFMValue->get());
	dJointSetAMotorParam(joint, dParamBounce, mBounceValue->get());
	dJointSetAMotorParam(joint, dParamFudgeFactor, mFudgeFactorValue->get());

	

	axis1.normalize();
	Vector3D perpedicular1;
	if(axis1.getY() != 0.0 || axis1.getX() != 0.0) {
		perpedicular1.set(-axis1.getY(), axis1.getX(), 0);
	}
	else {
		perpedicular1.set(0, -axis1.getZ(), axis1.getY());
	}
	perpedicular1.normalize();

	

	// If one of the bodies is static, the motor axis need to be defined in a different way. 
	// For different constellations of static and dynamic bodies, the turn direction 
	// of the motor changed, so this had to be added.
	if(body1 == 0) {
		dJointSetAMotorAxis(joint, 0, 0, -axis1.getX(), -axis1.getY(), -axis1.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 0, 1, axis1.getX(), axis1.getY(), axis1.getZ());
	}
	if(body2 == 0) {
		dJointSetAMotorAxis(joint, 2, 0, -perpedicular1.getX(), -perpedicular1.getY(), 
			-perpedicular1.getZ());
	}
	else {
		dJointSetAMotorAxis(joint, 2, 2, perpedicular1.getX(), perpedicular1.getY(), 
			perpedicular1.getZ());
	}

	mUniversalJoint = dJointCreateUniversal(mWorldID, mGeneralJointGroup);
	dJointAttach(mUniversalJoint, body1, body2);

	dJointSetUniversalAnchor(mUniversalJoint, anchor.getX(), anchor.getY(), anchor.getZ());
	dJointSetUniversalAxis1(mUniversalJoint, axis1.getX(), axis1.getY(), axis1.getZ());
	dJointSetUniversalAxis2(mUniversalJoint, axis2.getX(), axis2.getY(), axis2.getZ());

	double minAngle1 = (mAxis1MinAngle->get() * Math::PI) / 180.0;
	double minAngle2 = (mAxis2MinAngle->get() * Math::PI) / 180.0;
	double maxAngle1 = (mAxis1MaxAngle->get() * Math::PI) / 180.0;
	double maxAngle2 = (mAxis2MaxAngle->get() * Math::PI) / 180.0;

// 	if(body1 == 0) {
// 		double tmp = 
// 		mMinAngle = -1.0 * mMaxAngle;
// 		mMaxAngle = -1.0 * tmp;
// 	}

	dJointSetUniversalParam(mUniversalJoint, dParamLoStop, minAngle1);
	dJointSetUniversalParam(mUniversalJoint, dParamHiStop, maxAngle1);
	dJointSetUniversalParam(mUniversalJoint, dParamLoStop2, minAngle2);
	dJointSetUniversalParam(mUniversalJoint, dParamHiStop2, maxAngle2);

	dJointSetUniversalParam(mUniversalJoint, dParamVel, 0.0);
	dJointSetUniversalParam(mUniversalJoint, dParamVel2, 0.0);

	return joint;
}