Source code of the Ogre animation tutorial itutorial01.h

ITutorial01.h/*-----------------------------------------------------------------------------Filename:    ITutorial01.h-----------------------------------------------------------------------------This source file is generated by the   ___                   _              __    __ _                  _   /___\__ _ _ __ ___    /_\  _ __  _ __/ / /\ \ (_)______ _ _ __ __| | //  // _` | '__/ _ \  //_\\| '_ \| '_ \ \/  \/ / |_  / _` | '__/ _` |/ \_// (_| | | |  __/ /  _  \ |_) | |_) \  /\  /| |/ / (_| | | | (_| |\___/ \__, |_|  \___| \_/ \_/ .__/| .__/ \/  \/ |_/___\__,_|_|  \__,_|      |___/                 |_|   |_|                                   Ogre 1.7.x Application Wizard for VC9 (January 2010)http://code.google.com/p/ogreappwizards/-----------------------------------------------------------------------------*/#ifndef __ITutorial01_h_#define __ITutorial01_h_#include "BaseApplication.h"class ITutorial01 : public BaseApplication{public:ITutorial01(void);virtual ~ITutorial01(void);protected:virtual void createScene(void);     virtual void createFrameListener(void);     virtual bool nextLocation(void);     virtual bool frameRenderingQueued(const Ogre::FrameEvent &evt);      Ogre::Real mDistance;                  // The distance the object has left to travel     Ogre::Vector3 mDirection;              // The direction the object is moving     Ogre::Vector3 mDestination;            // The destination the object is moving towards      Ogre::AnimationState *mAnimationState; // The current animation state of the object      Ogre::Entity *mEntity;                 // The Entity we are animating     Ogre::SceneNode *mNode;                // The SceneNode that the Entity is attached to     std::deque<Ogre::Vector3> mWalkList;   // The list of points we are walking to      Ogre::Real mWalkSpeed;                 // The speed at which the object is moving};#endif // #ifndef __ITutorial01_h_

ITutorial01.cpp#include "ITutorial01.h"using namespace std;//-------------------------------------------------------------------------------------ITutorial01::ITutorial01(void){}//-------------------------------------------------------------------------------------ITutorial01::~ITutorial01(void){}//-------------------------------------------------------------------------------------void ITutorial01::createScene(void){// Set the default lighting.    mSceneMgr->setAmbientLight(Ogre::ColourValue(1.0f, 1.0f, 1.0f));// Create the entity    mEntity = mSceneMgr->createEntity("Robot", "robot.mesh");    // Create the scene node    mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("RobotNode", Ogre::Vector3(0.0f, 0.0f, 25.0f));    mNode->attachObject(mEntity);// Create the walking list    mWalkList.push_back(Ogre::Vector3(550.0f,  0.0f,  50.0f ));    mWalkList.push_back(Ogre::Vector3(-100.0f,  0.0f, -200.0f));mWalkList.push_back(Ogre::Vector3(250.0f,  0.0f, -200.0f));    mWalkList.push_back(Ogre::Vector3(250.0f,  0.0f, 100.0f));// Create objects so we can see movement        Ogre::Entity *ent;        Ogre::SceneNode *node;        ent = mSceneMgr->createEntity("Knot1", "knot.mesh");        node = mSceneMgr->getRootSceneNode()->createChildSceneNode("Knot1Node",            Ogre::Vector3(0.0f, -10.0f,  25.0f));        node->attachObject(ent);        node->setScale(0.1f, 0.1f, 0.1f);         ent = mSceneMgr->createEntity("Knot2", "knot.mesh");        node = mSceneMgr->getRootSceneNode()->createChildSceneNode("Knot2Node",            Ogre::Vector3(550.0f, -10.0f,  50.0f));        node->attachObject(ent);        node->setScale(0.1f, 0.1f, 0.1f);         ent = mSceneMgr->createEntity("Knot3", "knot.mesh");        node = mSceneMgr->getRootSceneNode()->createChildSceneNode("Knot3Node",            Ogre::Vector3(-100.0f, -10.0f,-200.0f));        node->attachObject(ent);        node->setScale(0.1f, 0.1f, 0.1f);        ent = mSceneMgr->createEntity("Knot4", "knot.mesh");        node = mSceneMgr->getRootSceneNode()->createChildSceneNode("Knot4Node",                        Ogre::Vector3(250.0f, -10.0f,-200.0f));        node->attachObject(ent);        node->setScale(0.1f, 0.1f, 0.1f);        ent = mSceneMgr->createEntity("Knot5", "knot.mesh");        node = mSceneMgr->getRootSceneNode()->createChildSceneNode("Knot5Node",                        Ogre::Vector3(250.0f, -10.0f, 100.0f));        node->attachObject(ent);        node->setScale(0.1f, 0.1f, 0.1f);       // Set the camera to look at our handiwork        mCamera->setPosition(90.0f, 280.0f, 535.0f);        mCamera->pitch(Ogre::Degree(-30.0f));        mCamera->yaw(Ogre::Degree(-15.0f));}void ITutorial01::createFrameListener(void){BaseApplication::createFrameListener();   // Set idle animation        mAnimationState = mEntity->getAnimationState("Idle");        mAnimationState->setLoop(true);        mAnimationState->setEnabled(true);// Set default values for variables         mWalkSpeed = 35.0f;         mDirection = Ogre::Vector3::ZERO;}bool ITutorial01::nextLocation(void){        if (mWalkList.empty())                return false;        mDestination = mWalkList.front();  // this gets the front of the deque        mWalkList.pop_front();             // this removes the front of the deque        mDirection = mDestination - mNode->getPosition();        mDistance = mDirection.normalise();        return true;} bool ITutorial01::frameRenderingQueued(const Ogre::FrameEvent &evt){mAnimationState->addTime(evt.timeSinceLastFrame);if (mDirection == Ogre::Vector3::ZERO)         {            if (nextLocation())             {                // Set walking animation                mAnimationState = mEntity->getAnimationState("Walk");                mAnimationState->setLoop(true);                mAnimationState->setEnabled(true);            }        }else          {  Ogre::Real move = mWalkSpeed * evt.timeSinceLastFrame;              mDistance -= move;              if (mDistance <= 0.0f)              {                  mNode->setPosition(mDestination);  mDirection = Ogre::Vector3::ZERO;                  // Set animation based on if the robot has another point to walk to.                   if (! nextLocation())                  {                      // Set Idle animation                                           mAnimationState = mEntity->getAnimationState("Idle");   mAnimationState = mEntity->getAnimationState("Die");                    mAnimationState->setLoop(true);                      mAnimationState->setEnabled(true);                                            mDirection += 0.5f;                      mDestination += 100.0f;                      mWalkList.push_back(mDestination);                      ::Sleep(1000);                      mAnimationState = mEntity->getAnimationState("Walk");                  } else                  {                      // Rotation Code will go here later                       Ogre::Vector3 src = mNode->getOrientation() * Ogre::Vector3::UNIT_X;                                if ((1.0f + src.dotProduct(mDirection)) < 0.0001f)                                {                                        mNode->yaw(Ogre::Degree(180));                                }                                else                                {                                        Ogre::Quaternion quat = src.getRotationTo(mDirection);                                        mNode->rotate(quat);                                } // else                }              }              else              {                  mNode->translate(mDirection * move);              } // else          } // if         mAnimationState->addTime(evt.timeSinceLastFrame);return BaseApplication::frameRenderingQueued(evt);} #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32#define WIN32_LEAN_AND_MEAN#include "windows.h"#endif #ifdef __cplusplusextern "C" {#endif #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32    INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )#else    int main(int argc, char *argv[])#endif    {        // Create application object        ITutorial01 app;         try {            app.go();        } catch( Ogre::Exception& e ) {#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32            MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);#else            std::cerr << "An exception has occured: " <<                e.getFullDescription().c_str() << std::endl;#endif        }         return 0;    } #ifdef __cplusplus}#endif