LLFollowCam Class Reference

#include <llfollowcam.h>

Inheritance diagram for LLFollowCam:

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Collaboration diagram for LLFollowCam:

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List of all members.

Public Member Functions

 LLFollowCam ()
virtual ~LLFollowCam ()
void setSubjectPositionAndRotation (const LLVector3 p, const LLQuaternion r)
void update ()
void copyParams (LLFollowCamParams &params)
void reset (const LLVector3 position, const LLVector3 focus, const LLVector3 upVector)
void setMaxCameraDistantFromSubject (F32 m)
bool isZoomedToMinimumDistance ()
LLVector3 getUpVector ()
void zoom (S32)
virtual void setPitch (F32)
virtual void setDistance (F32)
virtual void setPosition (const LLVector3 &pos)
virtual void setFocus (const LLVector3 &focus)
virtual void setPositionLocked (bool)
virtual void setFocusLocked (bool)
LLVector3 getSimulatedPosition () const
LLVector3 getSimulatedFocus () const

Protected Member Functions

void calculatePitchSineAndCosine ()
BOOL updateBehindnessConstraint (LLVector3 focus, LLVector3 &cam_position)

Protected Attributes

F32 mPositionLagTimeScale
F32 mFocusLagTimeScale
F32 mPitchCos
F32 mPitchSin
LLGlobalVec mSimulatedPositionGlobal
LLGlobalVec mSimulatedFocusGlobal
F32 mSimulatedDistance
bool mZoomedToMinimumDistance
LLFrameTimer mTimer
LLVector3 mSubjectPosition
LLQuaternion mSubjectRotation
LLVector3 mUpVector
LLVector3 mRelativeFocus
LLVector3 mRelativePos
bool mPitchSineAndCosineNeedToBeUpdated

Detailed Description

Definition at line 120 of file llfollowcam.h.

Constructor & Destructor Documentation

LLFollowCam::LLFollowCam (  ) 

Definition at line 260 of file llfollowcam.cpp.

References LLQuaternion::DEFAULT, LLFollowCamParams::mDistance, mPitchSineAndCosineNeedToBeUpdated, mSimulatedDistance, mSubjectPosition, mSubjectRotation, mUpVector, mZoomedToMinimumDistance, LLVector3::z_axis, and LLVector3::zero.

LLFollowCam::~LLFollowCam (  )  [virtual]

Definition at line 668 of file llfollowcam.cpp.

Member Function Documentation

void LLFollowCam::calculatePitchSineAndCosine (  )  [protected]

Definition at line 508 of file llfollowcam.cpp.

References DEG_TO_RAD, LLFollowCamParams::mPitch, mPitchCos, and mPitchSin.

Referenced by update().

void LLFollowCam::copyParams ( LLFollowCamParams &  params  ) 

Definition at line 272 of file llfollowcam.cpp.

References params, LLFollowCamParams::setBehindnessAngle(), LLFollowCamParams::setBehindnessLag(), setDistance(), setFocus(), LLFollowCamParams::setFocusLag(), setFocusLocked(), LLFollowCamParams::setFocusOffset(), LLFollowCamParams::setFocusThreshold(), setPitch(), setPosition(), LLFollowCamParams::setPositionLag(), setPositionLocked(), and LLFollowCamParams::setPositionThreshold().

Referenced by LLAgent::updateCamera().

LLVector3 LLFollowCam::getSimulatedFocus (  )  const

Definition at line 653 of file llfollowcam.cpp.

References mRelativeFocus, mSubjectPosition, and mSubjectRotation.

Referenced by LLAgent::calcFocusPositionTargetGlobal().

LLVector3 LLFollowCam::getSimulatedPosition (  )  const

Definition at line 647 of file llfollowcam.cpp.

References mRelativePos, mSubjectPosition, and mSubjectRotation.

Referenced by LLAgent::calcCameraPositionTargetGlobal().

LLVector3 LLFollowCam::getUpVector (  ) 

Definition at line 659 of file llfollowcam.cpp.

References mUpVector.

Referenced by LLAgent::updateCamera().

bool LLFollowCam::isZoomedToMinimumDistance (  ) 

Definition at line 563 of file llfollowcam.cpp.

References mZoomedToMinimumDistance.

Referenced by LLAgent::handleScrollWheel().

void LLFollowCam::reset ( const LLVector3  position,
const LLVector3  focus,
const LLVector3  upVector 
)

Definition at line 570 of file llfollowcam.cpp.

References f, mUpVector, p, setFocus(), setPosition(), and u.

Referenced by LLAgent::changeCameraToFollow().

void LLFollowCam::setDistance ( F32   )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 590 of file llfollowcam.cpp.

References LLFollowCamParams::mDistance, mSimulatedDistance, mZoomedToMinimumDistance, and LLFollowCamParams::setDistance().

Referenced by copyParams().

void LLFollowCam::setFocus ( const LLVector3 &  focus  )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 613 of file llfollowcam.cpp.

References f, gAgent, LLAgent::getPosGlobalFromAgent(), LLFollowCamParams::mFocus, LLFollowCamParams::mFocusLocked, mRelativeFocus, mSimulatedFocusGlobal, mSubjectPosition, mSubjectRotation, and LLFollowCamParams::setFocus().

Referenced by copyParams(), and reset().

void LLFollowCam::setFocusLocked ( bool   )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 636 of file llfollowcam.cpp.

References gAgent, LLAgent::getPosAgentFromGlobal(), mRelativeFocus, mSimulatedFocusGlobal, mSubjectPosition, mSubjectRotation, and LLFollowCamParams::setFocusLocked().

Referenced by copyParams().

void LLFollowCam::setMaxCameraDistantFromSubject ( F32  m  ) 

Definition at line 578 of file llfollowcam.cpp.

References LLFollowCamParams::mMaxCameraDistantFromSubject.

Referenced by LLAgent::LLAgent().

void LLFollowCam::setPitch ( F32   )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 584 of file llfollowcam.cpp.

References mPitchSineAndCosineNeedToBeUpdated, and LLFollowCamParams::setPitch().

Referenced by copyParams().

void LLFollowCam::setPosition ( const LLVector3 &  pos  )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 600 of file llfollowcam.cpp.

References gAgent, LLAgent::getPosGlobalFromAgent(), LLFollowCamParams::mPosition, LLFollowCamParams::mPositionLocked, mRelativePos, mSimulatedPositionGlobal, mSubjectPosition, mSubjectRotation, p, and LLFollowCamParams::setPosition().

Referenced by copyParams(), and reset().

void LLFollowCam::setPositionLocked ( bool   )  [virtual]

Reimplemented from LLFollowCamParams.

Definition at line 626 of file llfollowcam.cpp.

References gAgent, LLAgent::getPosAgentFromGlobal(), mRelativePos, mSimulatedPositionGlobal, mSubjectPosition, mSubjectRotation, and LLFollowCamParams::setPositionLocked().

Referenced by copyParams().

void LLFollowCam::setSubjectPositionAndRotation ( const LLVector3  p,
const LLQuaternion  r 
)

Definition at line 516 of file llfollowcam.cpp.

References mSubjectPosition, mSubjectRotation, p, and r.

Referenced by LLAgent::updateCamera().

void LLFollowCam::update (  ) 

Definition at line 298 of file llfollowcam.cpp.

References calculatePitchSineAndCosine(), DISTANCE_EPSILON, f, gAgent, LLCriticalDamp::getInterpolant(), LLAgent::getPosAgentFromGlobal(), LLAgent::getPosGlobalFromAgent(), lerp(), LLVector3::magVec(), LLFollowCamParams::mFocus, LLFollowCamParams::mFocusLag, LLFollowCamParams::mFocusLocked, LLFollowCamParams::mFocusOffset, LLFollowCamParams::mFocusThreshold, LLFollowCamParams::mMaxCameraDistantFromSubject, mPitchCos, mPitchSin, mPitchSineAndCosineNeedToBeUpdated, LLFollowCamParams::mPositionLag, LLFollowCamParams::mPositionLocked, LLFollowCamParams::mPositionThreshold, mRelativeFocus, mRelativePos, mSimulatedDistance, mSimulatedFocusGlobal, mSimulatedPositionGlobal, mSubjectPosition, mSubjectRotation, mUpVector, LLVector3::mV, LLVector3::setVec(), updateBehindnessConstraint(), VX, VY, VZ, and LLVector3::z_axis.

Referenced by LLAgent::updateCamera().

BOOL LLFollowCam::updateBehindnessConstraint ( LLVector3  focus,
LLVector3 &  cam_position 
) [protected]

Definition at line 457 of file llfollowcam.cpp.

References LLQuaternion::DEFAULT, f, FALSE, FOLLOW_CAM_BEHINDNESS_EPSILON, FOLLOW_CAM_MAX_BEHINDNESS_ANGLE, LLQuaternion::getAngleAxis(), LLCriticalDamp::getInterpolant(), LLVector3::magVec(), LLFollowCamParams::mBehindnessLag, LLFollowCamParams::mBehindnessMaxAngle, mSubjectRotation, LLVector3::mV, LLVector3::normVec(), RAD_TO_DEG, LLVector3::setVec(), LLQuaternion::shortestArc(), slerp(), TRUE, and VZ.

Referenced by update().

void LLFollowCam::zoom ( S32   ) 

Definition at line 524 of file llfollowcam.cpp.

References f, FOLLOW_CAM_MIN_DISTANCE, FOLLOW_CAM_MIN_ZOOM_AMOUNT, FOLLOW_CAM_ZOOM_FACTOR, LLFollowCamParams::mMaxCameraDistantFromSubject, mSimulatedDistance, and mZoomedToMinimumDistance.

Referenced by LLAgent::handleScrollWheel().

Member Data Documentation

F32 LLFollowCam::mFocusLagTimeScale [protected]

Definition at line 173 of file llfollowcam.h.

F32 LLFollowCam::mPitchCos [protected]

Definition at line 174 of file llfollowcam.h.

Referenced by calculatePitchSineAndCosine(), and update().

F32 LLFollowCam::mPitchSin [protected]

Definition at line 175 of file llfollowcam.h.

Referenced by calculatePitchSineAndCosine(), and update().

bool LLFollowCam::mPitchSineAndCosineNeedToBeUpdated [protected]

Definition at line 191 of file llfollowcam.h.

Referenced by LLFollowCam(), setPitch(), and update().

F32 LLFollowCam::mPositionLagTimeScale [protected]

Definition at line 172 of file llfollowcam.h.

LLVector3 LLFollowCam::mRelativeFocus [protected]

Definition at line 188 of file llfollowcam.h.

Referenced by getSimulatedFocus(), setFocus(), setFocusLocked(), and update().

LLVector3 LLFollowCam::mRelativePos [protected]

Definition at line 189 of file llfollowcam.h.

Referenced by getSimulatedPosition(), setPosition(), setPositionLocked(), and update().

F32 LLFollowCam::mSimulatedDistance [protected]

Definition at line 178 of file llfollowcam.h.

Referenced by LLFollowCam(), setDistance(), update(), and zoom().

LLGlobalVec LLFollowCam::mSimulatedFocusGlobal [protected]

Definition at line 177 of file llfollowcam.h.

Referenced by setFocus(), setFocusLocked(), and update().

LLGlobalVec LLFollowCam::mSimulatedPositionGlobal [protected]

Definition at line 176 of file llfollowcam.h.

Referenced by setPosition(), setPositionLocked(), and update().

LLVector3 LLFollowCam::mSubjectPosition [protected]

Definition at line 185 of file llfollowcam.h.

Referenced by getSimulatedFocus(), getSimulatedPosition(), LLFollowCam(), setFocus(), setFocusLocked(), setPosition(), setPositionLocked(), setSubjectPositionAndRotation(), and update().

LLQuaternion LLFollowCam::mSubjectRotation [protected]

Definition at line 186 of file llfollowcam.h.

Referenced by getSimulatedFocus(), getSimulatedPosition(), LLFollowCam(), setFocus(), setFocusLocked(), setPosition(), setPositionLocked(), setSubjectPositionAndRotation(), update(), and updateBehindnessConstraint().

LLFrameTimer LLFollowCam::mTimer [protected]

Definition at line 184 of file llfollowcam.h.

LLVector3 LLFollowCam::mUpVector [protected]

Definition at line 187 of file llfollowcam.h.

Referenced by getUpVector(), LLFollowCam(), reset(), and update().

bool LLFollowCam::mZoomedToMinimumDistance [protected]

Definition at line 183 of file llfollowcam.h.

Referenced by isZoomedToMinimumDistance(), LLFollowCam(), setDistance(), and zoom().

The documentation for this class was generated from the following files:
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