oasismovable.cpp

使用stl技术,(还没看,是听说的)

/******************************************************************************
 * This source file is part of Bad Camel Gaming
 * Copyright (C) 2003  Zephie Greyvenstein
 * See Readme.html for acknowledgements
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *****************************************************************************/

/******************************************************************************
 * FILENAME    : oasisMovable.cpp
 * DESCRIPTION : If it moves, kick it
 * AUTHOR      : Zephie Greyvenstein
 *****************************************************************************/

#include "oasisMovable.h"

#include "OgreMath.h"

namespace Oasis {
  
  movable::movable( ) { 
    position = vector3::ZERO;
    orientation = quaternion::IDENTITY;
  }
  
  movable::~movable( ) {

  }

  void movable::setPosition( real x, real y, real z ) {
    setPosition( vector3( x, y, z ) );
  }

  void movable::setPosition( const vector3 &newPosition ) {
    position = newPosition;
    _updatePosition( );
  }

  const vector3 &movable::getPosition( void ) const {
    return position;
  }

  void movable::move( real x, real y, real z ) {
    move( vector3( x, y, z ) );
  }

  void movable::move( const vector3 &moveVector ) {
    setPosition( position + moveVector );
  }
  
  void movable::moveRelative( real x, real y, real z ) {
    moveRelative( vector3( x, y, z ) );
  }

  void movable::moveRelative( const vector3 &moveVector ) {
    setPosition( position + ( orientation * moveVector ) );
  }

  void movable::rotate( real x, real y, real z, real degrees ) {
    quaternion quat;
    quat.fromAxisAndAngle( vector3( x, y, z ),
         Ogre::Math::DegreesToRadians( degrees ) );
    rotate( quat );
  }

  void movable::rotate( const vector3 &axis, real degrees ) {
    quaternion quat;
    quat.fromAxisAndAngle( axis, Ogre::Math::DegreesToRadians( degrees ) );
    rotate( quat );
  }

  void movable::rotate( const quaternion &rotation ) {  
    setOrientation( orientation * rotation );
  }

  void movable::setOrientation( const quaternion &newOrientation ) {
    orientation = newOrientation;
    _updateOrientation( );
  }

  const quaternion &movable::getOrientation( void ) const {
    return orientation;
  }

  vector3 movable::getDirection( void ) const {
    return orientation * -vector3::UNITZ;
  }
}