QT 和Ogre Demo

ogre的编译请参考链接https://blog.csdn.net/DdogYuan/article/details/79559667 或自行解决, 我用的vs2015 ,生成后将dll和头文件加入到QT的工程中即可（注意必须对应）

ogre自带的de'mo

参考链接:

http://wiki.ogre3d.org/Home

https://ogrecave.github.io/ogre/api/latest/tut__first_scene.html

该Demo使用的版本是ogre1.10.12 (32位) , Qt5.10.0 MSVC2015 32bit Release QT Creator 编译生成的

例程，完整ogre编译和使用步骤，

完整源码工程下载地址

https://download.csdn.net/download/gws09876/12136896

附qt ogreCamera操作类的代码，理解请看代码

#ifndef __SdkQtCameraMan_H__
#define __SdkQtCameraMan_H__#include "OgreCamera.h"
#include "OgreSceneNode.h"
#include "OgreFrameListener.h"#include <QKeyEvent>
#include <QMouseEvent>
#include <QDebug>// enum CameraStyle should be in other namespace than OgreBites::CameraStyle
namespace OgreQtBites
{enum CameraStyle   // enumerator values for different styles of camera movement{CS_FREELOOK,CS_ORBIT,CS_MANUAL};/*=============================================================================| Utility class for controlling the camera in samples.=============================================================================*/class SdkQtCameraMan{public:SdkQtCameraMan(Ogre::Camera* cam): mCamera(0), mTarget(0), mOrbiting(false), mZooming(false), mTopSpeed(150), mVelocity(Ogre::Vector3::ZERO), mGoingForward(false), mGoingBack(false), mGoingLeft(false), mGoingRight(false), mGoingUp(false), mGoingDown(false), mFastMove(false){setCamera(cam);setStyle(CS_FREELOOK);}virtual ~SdkQtCameraMan() {}/*-----------------------------------------------------------------------------| Swaps the camera on our camera man for another camera.-----------------------------------------------------------------------------*/virtual void setCamera(Ogre::Camera* cam){mCamera = cam;}virtual Ogre::Camera* getCamera(){return mCamera;}/*-----------------------------------------------------------------------------| Sets the target we will revolve around. Only applies for orbit style.-----------------------------------------------------------------------------*/virtual void setTarget(Ogre::SceneNode* target){if (target != mTarget){mTarget = target;if(target){setYawPitchDist(Ogre::Degree(0), Ogre::Degree(15), 150);mCamera->setAutoTracking(true, mTarget);}else{mCamera->setAutoTracking(false);}}}virtual Ogre::SceneNode* getTarget(){return mTarget;}/*-----------------------------------------------------------------------------| Sets the spatial offset from the target. Only applies for orbit style.-----------------------------------------------------------------------------*/virtual void setYawPitchDist(Ogre::Radian yaw, Ogre::Radian pitch, Ogre::Real dist){mCamera->setPosition(mTarget->_getDerivedPosition());mCamera->setOrientation(mTarget->_getDerivedOrientation());mCamera->yaw(yaw);mCamera->pitch(-pitch);mCamera->moveRelative(Ogre::Vector3(0, 0, dist));}/*-----------------------------------------------------------------------------| Sets the camera's top speed. Only applies for free-look style.-----------------------------------------------------------------------------*/virtual void setTopSpeed(Ogre::Real topSpeed){mTopSpeed = topSpeed;}virtual Ogre::Real getTopSpeed(){return mTopSpeed;}/*-----------------------------------------------------------------------------| Sets the movement style of our camera man.-----------------------------------------------------------------------------*/virtual void setStyle(CameraStyle style){if (mStyle != CS_ORBIT && style == CS_ORBIT){setTarget(mTarget ? mTarget : mCamera->getSceneManager()->getRootSceneNode());mCamera->setFixedYawAxis(true);manualStop();setYawPitchDist(Ogre::Degree(0), Ogre::Degree(15), 150);}else if (mStyle != CS_FREELOOK && style == CS_FREELOOK){mCamera->setAutoTracking(false);mCamera->setFixedYawAxis(true);}else if (mStyle != CS_MANUAL && style == CS_MANUAL){mCamera->setAutoTracking(false);manualStop();}mStyle = style;}virtual CameraStyle getStyle(){return mStyle;}/*-----------------------------------------------------------------------------| Manually stops the camera when in free-look mode.-----------------------------------------------------------------------------*/virtual void manualStop(){if (mStyle == CS_FREELOOK){mGoingForward = false;mGoingBack = false;mGoingLeft = false;mGoingRight = false;mGoingUp = false;mGoingDown = false;mVelocity = Ogre::Vector3::ZERO;}}virtual bool frameRenderingQueued(const Ogre::FrameEvent& evt){if (mStyle == CS_FREELOOK){// build our acceleration vector based on keyboard input compositeOgre::Vector3 accel = Ogre::Vector3::ZERO;if (mGoingForward) accel += mCamera->getDirection();if (mGoingBack) accel -= mCamera->getDirection();if (mGoingRight) accel += mCamera->getRight();if (mGoingLeft) accel -= mCamera->getRight();if (mGoingUp) accel += mCamera->getUp();if (mGoingDown) accel -= mCamera->getUp();// if accelerating, try to reach top speed in a certain timeOgre::Real topSpeed = mFastMove ? mTopSpeed * 20 : mTopSpeed;if (accel.squaredLength() != 0){accel.normalise();mVelocity += accel * topSpeed * evt.timeSinceLastFrame * 10;}// if not accelerating, try to stop in a certain timeelse mVelocity -= mVelocity * evt.timeSinceLastFrame * 10;Ogre::Real tooSmall = std::numeric_limits<Ogre::Real>::epsilon();// keep camera velocity below top speed and above epsilonif (mVelocity.squaredLength() > topSpeed * topSpeed){mVelocity.normalise();mVelocity *= topSpeed;}else if (mVelocity.squaredLength() < tooSmall * tooSmall)mVelocity = Ogre::Vector3::ZERO;if (mVelocity != Ogre::Vector3::ZERO) mCamera->move(mVelocity * evt.timeSinceLastFrame);}return true;}/*-----------------------------------------------------------------------------| Processes key presses for free-look style movement.-----------------------------------------------------------------------------*/virtual void injectKeyDown(const QKeyEvent& evt){if (mStyle == CS_FREELOOK){if (evt.key() == Qt::Key_W || evt.key() == Qt::Key_Up) mGoingForward = true;else if (evt.key() == Qt::Key_S || evt.key() == Qt::Key_Down) mGoingBack = true;else if (evt.key() == Qt::Key_A || evt.key() == Qt::Key_Left) mGoingLeft = true;else if (evt.key() == Qt::Key_D || evt.key() == Qt::Key_Right) mGoingRight = true;else if (evt.key() == Qt::Key_PageUp) mGoingUp = true;else if (evt.key() == Qt::Key_PageDown) mGoingDown = true;else if (evt.key() == Qt::Key_Shift) mFastMove = true;}}/*-----------------------------------------------------------------------------| Processes key releases for free-look style movement.-----------------------------------------------------------------------------*/virtual void injectKeyUp(const QKeyEvent& evt){if (mStyle == CS_FREELOOK){if (evt.key() == Qt::Key_W || evt.key() == Qt::Key_Up) mGoingForward = false;else if (evt.key() == Qt::Key_S || evt.key() == Qt::Key_Down) mGoingBack = false;else if (evt.key() == Qt::Key_A || evt.key() == Qt::Key_Left) mGoingLeft = false;else if (evt.key() == Qt::Key_D || evt.key() == Qt::Key_Right) mGoingRight = false;else if (evt.key() == Qt::Key_PageUp) mGoingUp = false;else if (evt.key() == Qt::Key_PageDown) mGoingDown = false;else if (evt.key() == Qt::Key_Shift) mFastMove = false;}}/*-----------------------------------------------------------------------------| Processes mouse movement differently for each style.-----------------------------------------------------------------------------*/virtual void injectMouseMove(int relX, int relY){
//            static int lastX = evt.x();
//            static int lastY = evt.y();
//            int relX = evt.x() - lastX;
//            int relY = evt.y() - lastY;
//            lastX = evt.x();
//            lastY = evt.y();if (mStyle == CS_ORBIT){Ogre::Real dist = (mCamera->getPosition() - mTarget->_getDerivedPosition()).length();if (mOrbiting)   // yaw around the target, and pitch locally{mCamera->setPosition(mTarget->_getDerivedPosition());mCamera->yaw(Ogre::Degree(-relX * 0.025f));mCamera->pitch(Ogre::Degree(-relY * 0.025f));mCamera->moveRelative(Ogre::Vector3(0, 0, dist));// don't let the camera go over the top or around the bottom of the target}else if (mZooming)  // move the camera toward or away from the target{// the further the camera is, the faster it movesmCamera->moveRelative(Ogre::Vector3(0, 0, relY * 0.004f * dist));}}else if (mStyle == CS_FREELOOK){mCamera->yaw(Ogre::Degree(-relX * 0.15f));mCamera->pitch(Ogre::Degree(-relY * 0.15f));}}/*-----------------------------------------------------------------------------| Processes mouse movement differently for each style.-----------------------------------------------------------------------------*/virtual void injectWheelMove(const QWheelEvent& evt){int relZ = evt.delta();if (mStyle == CS_ORBIT){Ogre::Real dist = (mCamera->getPosition() - mTarget->_getDerivedPosition()).length();if (relZ != 0)  // move the camera toward or away from the target{// the further the camera is, the faster it movesmCamera->moveRelative(Ogre::Vector3(0, 0, -relZ * 0.0008f * dist));}}}/*-----------------------------------------------------------------------------| Processes mouse presses. Only applies for orbit style.| Left button is for orbiting, and right button is for zooming.-----------------------------------------------------------------------------*/virtual void injectMouseDown(const QMouseEvent& evt){if (mStyle == CS_ORBIT){if (evt.buttons() & Qt::LeftButton) mOrbiting = true;else if (evt.buttons() & Qt::RightButton) mZooming = true;}}/*-----------------------------------------------------------------------------| Processes mouse releases. Only applies for orbit style.| Left button is for orbiting, and right button is for zooming.-----------------------------------------------------------------------------*/virtual void injectMouseUp(const QMouseEvent& evt){if (mStyle == CS_ORBIT){if (evt.buttons() & Qt::LeftButton) mOrbiting = false;else if (evt.buttons() & Qt::RightButton) mZooming = false;}}protected:Ogre::Camera* mCamera;CameraStyle mStyle;Ogre::SceneNode* mTarget;bool mOrbiting;bool mZooming;Ogre::Real mTopSpeed;Ogre::Vector3 mVelocity;bool mGoingForward;bool mGoingBack;bool mGoingLeft;bool mGoingRight;bool mGoingUp;bool mGoingDown;bool mFastMove;};
}#endif

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