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87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
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#include "navigation1st.hpp"
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#include <OgreCamera.h>
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#include <QPoint>
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CSVRender::Navigation1st::Navigation1st() : mCamera (0) {}
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bool CSVRender::Navigation1st::activate (Ogre::Camera *camera)
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{
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mCamera = camera;
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mCamera->setFixedYawAxis (true, Ogre::Vector3::UNIT_Z);
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Ogre::Radian pitch = mCamera->getOrientation().getPitch();
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Ogre::Radian limit (Ogre::Math::PI/2-0.5);
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if (pitch>limit)
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mCamera->pitch (-(pitch-limit));
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else if (pitch<-limit)
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mCamera->pitch (pitch-limit);
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return true;
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}
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bool CSVRender::Navigation1st::wheelMoved (int delta)
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{
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mCamera->move (getFactor (true) * mCamera->getDirection() * delta);
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return true;
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}
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bool CSVRender::Navigation1st::mouseMoved (const QPoint& delta, int mode)
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{
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if (mode==0)
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{
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// turn camera
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if (delta.x())
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mCamera->yaw (Ogre::Degree (getFactor (true) * delta.x()));
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if (delta.y())
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{
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Ogre::Radian oldPitch = mCamera->getOrientation().getPitch();
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float deltaPitch = getFactor (true) * delta.y();
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Ogre::Radian newPitch = oldPitch + Ogre::Degree (deltaPitch);
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if ((deltaPitch>0 && newPitch<Ogre::Radian(Ogre::Math::PI-0.5)) ||
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(deltaPitch<0 && newPitch>Ogre::Radian(0.5)))
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{
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mCamera->pitch (Ogre::Degree (deltaPitch));
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}
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}
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return true;
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}
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else if (mode==1)
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{
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// pan camera
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if (delta.x())
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mCamera->move (getFactor (true) * mCamera->getDerivedRight() * delta.x());
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if (delta.y())
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mCamera->move (getFactor (true) * -mCamera->getDerivedUp() * delta.y());
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return true;
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}
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return false;
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}
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bool CSVRender::Navigation1st::handleMovementKeys (int vertical, int horizontal)
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{
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if (vertical)
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mCamera->move (getFactor (false) * mCamera->getDirection() * vertical);
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if (horizontal)
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mCamera->move (getFactor (true) * mCamera->getDerivedRight() * horizontal);
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return true;
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}
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bool CSVRender::Navigation1st::handleRollKeys (int delta)
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{
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// we don't roll this way in 1st person mode
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return false;
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}
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