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source: code/trunk/src/orxonox/objects/Camera.cc @ 1911

Last change on this file since 1911 was 1911, checked in by landauf, 15 years ago

small camera fix

  • Property svn:eol-style set to native
File size: 3.5 KB
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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      Benjamin Knecht
26 *
27 */
28
29#include "OrxonoxStableHeaders.h"
30#include "Camera.h"
31#include "CameraHandler.h"
32
33#include <string>
34
35#include <OgreSceneManager.h>
36#include <OgreSceneNode.h>
37#include <OgreRenderWindow.h>
38#include <OgreViewport.h>
39
40#include "tinyxml/tinyxml.h"
41#include "util/SubString.h"
42#include "util/Math.h"
43#include "util/Debug.h"
44#include "core/CoreIncludes.h"
45#include "GraphicsEngine.h"
46
47namespace orxonox
48{
49
50  Camera::Camera(Ogre::SceneNode* node)
51  {
52    this->bHasFocus_ = false;
53    this->cameraNode_ = GraphicsEngine::getInstance().getLevelSceneManager()->getRootSceneNode()->createChildSceneNode(node->getName() + "Camera");
54    if( node != NULL )
55      this->setPositionNode(node);
56  }
57
58  Camera::~Camera()
59  {
60    CameraHandler::getInstance()->releaseFocus(this);
61    GraphicsEngine::getInstance().getLevelSceneManager()->getRootSceneNode()->removeAndDestroyChild(cameraNode_->getName());
62  }
63
64  void Camera::setPositionNode(Ogre::SceneNode* node)
65  {
66    this->positionNode_ = node;
67    // set camera to node values according to camera mode
68  }
69
70  void Camera::setTargetNode(Ogre::SceneNode* obj)
71  {
72    this->targetNode_ = obj;
73  }
74
75  void Camera::tick(float dt)
76  {
77    if (this->positionNode_ != NULL)
78    {
79      // this stuff here may need some adjustments
80      Vector3 offset = this->positionNode_->getWorldPosition() - this->cameraNode_->getWorldPosition();
81      float coeff = 15.0f * dt;
82      if (coeff > 1.0f)
83        coeff = 1.0f;
84
85      this->cameraNode_->translate(coeff * offset);
86
87      this->cameraNode_->setOrientation(Quaternion::Slerp(1-coeff, this->positionNode_->getWorldOrientation(), this->cameraNode_->getWorldOrientation(), false));
88    }
89  }
90
91  /**
92    don't move anything before here! here the Ogre camera is set to values of this camera
93    always call update after changes
94  */
95  void Camera::update()
96  {
97    if(this->positionNode_ != NULL)
98    {
99      this->cameraNode_->setPosition(this->positionNode_->getWorldPosition());
100      this->cameraNode_->setOrientation(this->positionNode_->getWorldOrientation());
101    }
102  }
103
104  /**
105    what to do when camera loses focus (do not request focus in this function!!)
106    this is called by the CameraHandler singleton class to notify the camera
107  */
108  void Camera::removeFocus()
109  {
110    this->bHasFocus_ = false;
111    this->cameraNode_->detachObject(this->cam_);
112  }
113
114  void Camera::setFocus(Ogre::Camera* ogreCam)
115  {
116    this->bHasFocus_ = true;
117    this->cam_ = ogreCam;
118    this->cam_->setOrientation(this->cameraNode_->getWorldOrientation());
119    this->cameraNode_->attachObject(this->cam_);
120  }
121}
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