TRACK_BALL Class Reference

#include <track_ball.h>

Inheritance diagram for TRACK_BALL:

Public Member Functions
	TRACK_BALL (float aInitialDistance)
virtual	~TRACK_BALL ()
void	Drag (const wxPoint &aNewMousePosition) override
	Calculate a new mouse drag position. More...
void	Pan (const wxPoint &aNewMousePosition) override
void	Pan (const SFVEC3F &aDeltaOffsetInc) override
void	Pan_T1 (const SFVEC3F &aDeltaOffsetInc) override
void	Reset_T1 () override
void	SetT0_and_T1_current_T () override
	This will set T0 and T1 with the current values. More...
void	Interpolate (float t) override
	It will update the matrix to interpolate between T0 and T1 values. More...
glm::mat4	GetRotationMatrix () const
	Get the rotation matrix to be applied in a transformation camera. More...
const glm::mat4 &	GetViewMatrix () const
const glm::mat4 &	GetViewMatrix_Inv () const
const glm::mat4 &	GetProjectionMatrix () const
const glm::mat4 &	GetProjectionMatrixInv () const
const SFVEC3F &	GetRight () const
const SFVEC3F &	GetUp () const
const SFVEC3F &	GetDir () const
const SFVEC3F &	GetPos () const
const SFVEC2F &	GetFocalLen () const
float	GetNear () const
float	GetFar () const
const CAMERA_FRUSTUM &	GetFrustum () const
const SFVEC3F &	GetLookAtPos () const
void	SetRotationMatrix (const glm::mat4 &aRotation)
	Set the rotation matrix to be applied in a transformation camera, without making any new calculations on camera. More...
void	SetViewMatrix (glm::mat4 aViewMatrix)
	Set the affine matrix to be applied to a transformation camera. More...
void	SetBoardLookAtPos (const SFVEC3F &aBoardPos)
void	SetLookAtPos_T1 (const SFVEC3F &aLookAtPos)
const SFVEC3F &	GetLookAtPos_T1 () const
const SFVEC3F &	GetCameraPos () const
const SFVEC3F &	GetCameraInitPos () const
float	GetCameraMinDimension () const
virtual void	Reset ()
	Reset the camera to initial state. More...
void	ResetXYpos ()
void	ResetXYpos_T1 ()
const wxPoint &	GetCurMousePosition ()
	Get the current mouse position. More...
void	SetCurMousePosition (const wxPoint &aPosition)
	Update the current mouse position without make any new calculations on camera. More...
void	ToggleProjection ()
PROJECTION_TYPE	GetProjection ()
void	SetProjection (PROJECTION_TYPE aProjection)
bool	SetCurWindowSize (const wxSize &aSize)
	Update the windows size of the camera. More...
void	ZoomReset ()
bool	Zoom (float aFactor)
bool	Zoom_T1 (float aFactor)
float	GetZoom () const
float	GetMinZoom ()
void	SetMinZoom (float minZoom)
float	GetMaxZoom ()
void	SetMaxZoom (float maxZoom)
void	RotateX (float aAngleInRadians)
void	RotateY (float aAngleInRadians)
void	RotateZ (float aAngleInRadians)
void	RotateX_T1 (float aAngleInRadians)
void	RotateY_T1 (float aAngleInRadians)
void	RotateZ_T1 (float aAngleInRadians)
void	SetInterpolateMode (CAMERA_INTERPOLATION aInterpolateMode)
bool	ParametersChanged ()
bool	ParametersChangedQuery () const
void	MakeRay (const SFVEC2I &aWindowPos, SFVEC3F &aOutOrigin, SFVEC3F &aOutDirection) const
	Make a ray based on a windows screen position. More...
void	MakeRay (const SFVEC2F &aWindowPos, SFVEC3F &aOutOrigin, SFVEC3F &aOutDirection) const
	Make a ray based on a windows screen position, it will interpolate based on the aWindowPos. More...
void	MakeRayAtCurrentMousePosition (SFVEC3F &aOutOrigin, SFVEC3F &aOutDirection) const
	Make a ray based on the latest mouse position. More...
void	Update ()
	Update the camera. More...

Static Public Attributes
static const float	DEFAULT_MIN_ZOOM = 0.020f
static const float	DEFAULT_MAX_ZOOM = 2.0f

Protected Member Functions
void	zoomChanged ()
void	rebuildProjection ()
void	updateFrustum ()
void	updateViewMatrix ()
void	updateRotationMatrix ()

Protected Attributes
float	m_zoom
	3D zoom value – Z-distance is scaled by it More...
float	m_zoom_t0
float	m_zoom_t1
float	m_minZoom
	Possible 3D zoom range. More...
float	m_maxZoom
SFVEC2I	m_windowSize
	The window size that this camera is working. More...
wxPoint	m_lastPosition
	The last mouse position in the screen. More...
glm::mat4	m_rotationMatrix
glm::mat4	m_rotationMatrixAux
glm::mat4	m_viewMatrix
glm::mat4	m_viewMatrixInverse
glm::mat4	m_projectionMatrix
glm::mat4	m_projectionMatrixInv
PROJECTION_TYPE	m_projectionType
CAMERA_FRUSTUM	m_frustum
SFVEC3F	m_right
SFVEC3F	m_up
SFVEC3F	m_dir
SFVEC3F	m_pos
SFVEC2F	m_focalLen
SFVEC3F	m_camera_pos_init
SFVEC3F	m_camera_pos
SFVEC3F	m_camera_pos_t0
SFVEC3F	m_camera_pos_t1
SFVEC3F	m_lookat_pos
SFVEC3F	m_lookat_pos_t0
SFVEC3F	m_lookat_pos_t1
SFVEC3F	m_board_lookat_pos_init
	Default boardlookat position (the board center). More...
SFVEC3F	m_rotate_aux
	Stores the rotation angle auxiliary. More...
SFVEC3F	m_rotate_aux_t0
SFVEC3F	m_rotate_aux_t1
CAMERA_INTERPOLATION	m_interpolation_mode
std::vector< float >	m_scr_nX
	Precalc values array used to calc ray for each pixel (constant for the same window size). More...
std::vector< float >	m_scr_nY
std::vector< SFVEC3F >	m_right_nX
	Precalc values array used to calc ray for each pixel, for X and Y axis of each new camera position. More...
std::vector< SFVEC3F >	m_up_nY
bool	m_parametersChanged
	Set to true if any of the parameters in the camera was changed. More...

Static Protected Attributes
static const wxChar *	m_logTrace = wxT( "KI_TRACE_CAMERA" )
	Trace mask used to enable or disable the trace output of this class. More...

Private Attributes
double	m_quat_t0 [4]
	interpolate quaternions of the trackball More...
double	m_quat_t1 [4]

Detailed Description

Definition at line 36 of file track_ball.h.

Constructor & Destructor Documentation

TRACK_BALL()

TRACK_BALL::TRACK_BALL ( float  aInitialDistance )

explicit

Definition at line 41 of file track_ball.cpp.

 :
 CAMERA( aInitialDistance )
{
 wxLogTrace( m_logTrace, wxT( "TRACK_BALL::TRACK_BALL" ) );
 
 memset( m_quat_t0, 0, sizeof( m_quat_t0 ) );
 memset( m_quat_t1, 0, sizeof( m_quat_t1 ) );
 
 trackball( m_quat_t0, 0.0, 0.0, 0.0, 0.0 );
 trackball( m_quat_t1, 0.0, 0.0, 0.0, 0.0 );
}

References CAMERA::m_logTrace, m_quat_t0, m_quat_t1, and trackball().

~TRACK_BALL()

virtual TRACK_BALL::~TRACK_BALL ( )

inlinevirtual

Definition at line 41 of file track_ball.h.

 {
 }

Member Function Documentation

Drag()

void TRACK_BALL::Drag ( const wxPoint &  aNewMousePosition )

overridevirtual

Calculate a new mouse drag position.

Implements CAMERA.

Definition at line 53 of file track_ball.cpp.

{
 m_parametersChanged = true;
 
 double spin_quat[4];
 
 // "Pass the x and y coordinates of the last and current positions of
 // the mouse, scaled so they are from (-1.0 ... 1.0)."
 const float zoom = 1.0f;
 
 trackball( spin_quat, zoom * ( 2.0 * m_lastPosition.x - m_windowSize.x ) / m_windowSize.x,
 zoom * ( m_windowSize.y - 2.0 * m_lastPosition.y ) / m_windowSize.y,
 zoom * ( 2.0 * aNewMousePosition.x - m_windowSize.x ) / m_windowSize.x,
 zoom * ( m_windowSize.y - 2.0 * aNewMousePosition.y ) / m_windowSize.y );
 
 float spin_matrix[4][4];
 build_rotmatrix( spin_matrix, spin_quat );
 m_rotationMatrix = glm::make_mat4( &spin_matrix[0][0] ) * m_rotationMatrix;
 
 updateViewMatrix();
 
 updateFrustum();
}

References build_rotmatrix(), CAMERA::m_lastPosition, CAMERA::m_parametersChanged, CAMERA::m_rotationMatrix, CAMERA::m_windowSize, trackball(), CAMERA::updateFrustum(), CAMERA::updateViewMatrix(), and zoom.

Referenced by EDA_3D_MODEL_VIEWER::OnMouseMove().

GetCameraInitPos()

const SFVEC3F & CAMERA::GetCameraInitPos ( ) const

inlineinherited

Definition at line 144 of file camera.h.

{ return m_camera_pos_init; }

References CAMERA::m_camera_pos_init.

Referenced by RENDER_3D_RAYTRACE::Reload().

GetCameraMinDimension()

float CAMERA::GetCameraMinDimension ( ) const

inherited

Definition at line 426 of file camera.cpp.

{
 return -m_camera_pos_init.z * m_frustum.tang;
}

References CAMERA::m_camera_pos_init, CAMERA::m_frustum, and CAMERA_FRUSTUM::tang.

GetCameraPos()

const SFVEC3F & CAMERA::GetCameraPos ( ) const

inlineinherited

Definition at line 143 of file camera.h.

{ return m_camera_pos; }

References CAMERA::m_camera_pos.

Referenced by EDA_3D_CANVAS::DisplayStatus().

GetCurMousePosition()

const wxPoint & CAMERA::GetCurMousePosition ( )

inlineinherited

Get the current mouse position.

Definition at line 171 of file camera.h.

{ return m_lastPosition; }

References CAMERA::m_lastPosition.

GetDir()

const SFVEC3F & CAMERA::GetDir ( ) const

inlineinherited

Definition at line 109 of file camera.h.

{ return m_dir; }

References CAMERA::m_dir.

Referenced by RENDER_3D_RAYTRACE::Redraw(), and RENDER_3D_RAYTRACE::render().

GetFar()

float CAMERA::GetFar ( ) const

inlineinherited

Definition at line 113 of file camera.h.

{ return m_frustum.farD; }

References CAMERA_FRUSTUM::farD, and CAMERA::m_frustum.

GetFocalLen()

const SFVEC2F & CAMERA::GetFocalLen ( ) const

inlineinherited

Definition at line 111 of file camera.h.

{ return m_focalLen; }

References CAMERA::m_focalLen.

GetFrustum()

const CAMERA_FRUSTUM & CAMERA::GetFrustum ( ) const

inlineinherited

Definition at line 114 of file camera.h.

{ return m_frustum; }

References CAMERA::m_frustum.

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::GetViewExtents(), NL_3D_VIEWER_PLUGIN_IMPL::GetViewFOV(), NL_3D_VIEWER_PLUGIN_IMPL::GetViewFrustum(), and NL_3D_VIEWER_PLUGIN_IMPL::SetViewExtents().

GetLookAtPos()

const SFVEC3F & CAMERA::GetLookAtPos ( ) const

inlineinherited

Definition at line 115 of file camera.h.

{ return m_lookat_pos; }

References CAMERA::m_lookat_pos.

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::GetPivotPosition(), and NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix().

GetLookAtPos_T1()

const SFVEC3F & CAMERA::GetLookAtPos_T1 ( ) const

inlineinherited

Definition at line 141 of file camera.h.

{ return m_lookat_pos_t1; }

References CAMERA::m_lookat_pos_t1.

Referenced by EDA_3D_CANVAS::render_pivot().

GetMaxZoom()

float CAMERA::GetMaxZoom ( )

inlineinherited

Definition at line 204 of file camera.h.

{ return m_maxZoom; }

References CAMERA::m_maxZoom.

GetMinZoom()

float CAMERA::GetMinZoom ( )

inlineinherited

Definition at line 197 of file camera.h.

{ return m_minZoom; }

References CAMERA::m_minZoom.

GetNear()

float CAMERA::GetNear ( ) const

inlineinherited

Definition at line 112 of file camera.h.

{ return m_frustum.nearD; }

References CAMERA::m_frustum, and CAMERA_FRUSTUM::nearD.

GetPos()

const SFVEC3F & CAMERA::GetPos ( ) const

inlineinherited

Definition at line 110 of file camera.h.

{ return m_pos; }

References CAMERA::m_pos.

Referenced by RENDER_3D_OPENGL::Redraw(), RENDER_3D_OPENGL::renderSolderMaskLayer(), and RENDER_3D_OPENGL::renderTransparentModels().

GetProjection()

PROJECTION_TYPE CAMERA::GetProjection ( )

inlineinherited

Definition at line 179 of file camera.h.

{ return m_projectionType; }

References CAMERA::m_projectionType.

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::GetIsViewPerspective(), EDA_3D_CANVAS::GetProjectionMode(), NL_3D_VIEWER_PLUGIN_IMPL::GetViewExtents(), NL_3D_VIEWER_PLUGIN_IMPL::GetViewFrustum(), NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix(), and EDA_3D_VIEWER_FRAME::setupUIConditions().

GetProjectionMatrix()

const glm::mat4 & CAMERA::GetProjectionMatrix ( ) const

inherited

Definition at line 414 of file camera.cpp.

{
 return m_projectionMatrix;
}

References CAMERA::m_projectionMatrix.

Referenced by EDA_3D_MODEL_VIEWER::OnPaint(), RENDER_3D_OPENGL::Redraw(), and EDA_3D_CANVAS::render_pivot().

GetProjectionMatrixInv()

const glm::mat4 & CAMERA::GetProjectionMatrixInv ( ) const

inherited

Definition at line 420 of file camera.cpp.

{
 return m_projectionMatrixInv;
}

References CAMERA::m_projectionMatrixInv.

GetRight()

const SFVEC3F & CAMERA::GetRight ( ) const

inlineinherited

Definition at line 107 of file camera.h.

{ return m_right; }

References CAMERA::m_right.

GetRotationMatrix()

glm::mat4 CAMERA::GetRotationMatrix ( ) const

inherited

Get the rotation matrix to be applied in a transformation camera.

Returns

the rotation matrix of the camera

Definition at line 182 of file camera.cpp.

{
 return m_rotationMatrix * m_rotationMatrixAux;
}

References CAMERA::m_rotationMatrix, and CAMERA::m_rotationMatrixAux.

Referenced by EDA_3D_MODEL_VIEWER::OnPaint(), and RENDER_3D_OPENGL::render3dArrows().

GetUp()

const SFVEC3F & CAMERA::GetUp ( ) const

inlineinherited

Definition at line 108 of file camera.h.

{ return m_up; }

References CAMERA::m_up.

GetViewMatrix()

const glm::mat4 & CAMERA::GetViewMatrix ( ) const

inherited

Definition at line 450 of file camera.cpp.

{
 return m_viewMatrix;
}

References CAMERA::m_viewMatrix.

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::GetCameraMatrix(), EDA_3D_MODEL_VIEWER::OnPaint(), EDA_3D_VIEWER_FRAME::onUpdateViewportsCb(), EDA_3D_VIEWER_FRAME::onViewportChanged(), RENDER_3D_OPENGL::Redraw(), EDA_3D_CANVAS::render_pivot(), NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix(), and NL_3D_VIEWER_PLUGIN_IMPL::SetViewExtents().

GetViewMatrix_Inv()

const glm::mat4 & CAMERA::GetViewMatrix_Inv ( ) const

inherited

Definition at line 488 of file camera.cpp.

{
 return m_viewMatrixInverse;
}

References CAMERA::m_viewMatrixInverse.

GetZoom()

float CAMERA::GetZoom ( ) const

inlineinherited

Definition at line 195 of file camera.h.

{ return m_zoom; }

References CAMERA::m_zoom.

Referenced by EDA_3D_CANVAS::DoRePaint(), HIDPI_GL_3D_CANVAS::OnMouseWheelCamera(), EDA_3D_CANVAS::SetView3D(), and NL_3D_VIEWER_PLUGIN_IMPL::SetViewExtents().

Interpolate()

void TRACK_BALL::Interpolate ( float  t )

overridevirtual

It will update the matrix to interpolate between T0 and T1 values.

Parameters

t	the interpolation time, between 0.0f and 1.0f (it will clamp if >1).

Reimplemented from CAMERA.

Definition at line 138 of file track_ball.cpp.

{
 wxASSERT( t >= 0.0f );
 
 // Limit t o 1.0
 t = ( t > 1.0f ) ? 1.0f : t;
 
 switch( m_interpolation_mode )
 {
 case CAMERA_INTERPOLATION::BEZIER:
 t = BezierBlend( t );
 break;
 
 case CAMERA_INTERPOLATION::EASING_IN_OUT:
 t = QuadricEasingInOut( t );
 break;
 
 case CAMERA_INTERPOLATION::LINEAR:
 default:
 break;
 }
 
 const float t0 = 1.0f - t;
 double quat[4];
 quat[0] = m_quat_t0[0] * t0 + m_quat_t1[0] * t;
 quat[1] = m_quat_t0[1] * t0 + m_quat_t1[1] * t;
 quat[2] = m_quat_t0[2] * t0 + m_quat_t1[2] * t;
 quat[3] = m_quat_t0[3] * t0 + m_quat_t1[3] * t;
 
 float rotationMatrix[4][4];
 
 build_rotmatrix( rotationMatrix, quat );
 
 m_rotationMatrix = glm::make_mat4( &rotationMatrix[0][0] );
 
 CAMERA::Interpolate( t );
}

References BEZIER, BezierBlend(), build_rotmatrix(), EASING_IN_OUT, CAMERA::Interpolate(), LINEAR, CAMERA::m_interpolation_mode, m_quat_t0, m_quat_t1, CAMERA::m_rotationMatrix, and QuadricEasingInOut().

MakeRay() [1/2]

void CAMERA::MakeRay ( const SFVEC2F &  aWindowPos, SFVEC3F &  aOutOrigin, SFVEC3F &  aOutDirection  ) const

inherited

Make a ray based on a windows screen position, it will interpolate based on the aWindowPos.

Parameters

aWindowPos	the windows buffer position (float value).
aOutOrigin	out origin position of the ray.
aOutDirection	out direction.

Definition at line 370 of file camera.cpp.

{
 wxASSERT( aWindowPos.x < (float)m_windowSize.x );
 wxASSERT( aWindowPos.y < (float)m_windowSize.y );
 
 const SFVEC2F floorWinPos_f = glm::floor( aWindowPos );
 const SFVEC2I floorWinPos_i = (SFVEC2I)floorWinPos_f;
 const SFVEC2F relativeWinPos = aWindowPos - floorWinPos_f;
 
 // Note: size of vectors m_up and m_right are m_windowSize + 1
 const SFVEC3F up_plus_right = m_up_nY[floorWinPos_i.y] * (1.0f - relativeWinPos.y) +
 m_up_nY[floorWinPos_i.y + 1] * relativeWinPos.y +
 m_right_nX[floorWinPos_i.x] * (1.0f - relativeWinPos.x) +
 m_right_nX[floorWinPos_i.x + 1] * relativeWinPos.x;
 
 aOutOrigin = up_plus_right + m_frustum.nc;
 
 switch( m_projectionType )
 {
 default:
 case PROJECTION_TYPE::PERSPECTIVE:
 aOutDirection = glm::normalize( aOutOrigin - m_pos );
 break;
 
 case PROJECTION_TYPE::ORTHO:
 aOutDirection = -m_dir + SFVEC3F( FLT_EPSILON );
 break;
 }
}

References CAMERA::m_dir, CAMERA::m_frustum, CAMERA::m_pos, CAMERA::m_projectionType, CAMERA::m_right_nX, CAMERA::m_up_nY, CAMERA::m_windowSize, CAMERA_FRUSTUM::nc, ORTHO, and PERSPECTIVE.

MakeRay() [2/2]

void CAMERA::MakeRay ( const SFVEC2I &  aWindowPos, SFVEC3F &  aOutOrigin, SFVEC3F &  aOutDirection  ) const

inherited

Make a ray based on a windows screen position.

Parameters

aWindowPos	the windows buffer position.
aOutOrigin	out origin position of the ray.
aOutDirection	out direction

Definition at line 348 of file camera.cpp.

{
 wxASSERT( aWindowPos.x < m_windowSize.x );
 wxASSERT( aWindowPos.y < m_windowSize.y );
 
 aOutOrigin = m_frustum.nc + m_up_nY[aWindowPos.y] + m_right_nX[aWindowPos.x];
 
 switch( m_projectionType )
 {
 default:
 case PROJECTION_TYPE::PERSPECTIVE:
 aOutDirection = glm::normalize( aOutOrigin - m_pos );
 break;
 
 case PROJECTION_TYPE::ORTHO:
 aOutDirection = -m_dir + SFVEC3F( FLT_EPSILON );
 break;
 }
}

References CAMERA::m_dir, CAMERA::m_frustum, CAMERA::m_pos, CAMERA::m_projectionType, CAMERA::m_right_nX, CAMERA::m_up_nY, CAMERA::m_windowSize, CAMERA_FRUSTUM::nc, ORTHO, and PERSPECTIVE.

Referenced by CAMERA::MakeRayAtCurrentMousePosition(), RAYPACKET::RAYPACKET(), RAYPACKET_InitRays(), and RAYPACKET_InitRays_with2DDisplacement().

MakeRayAtCurrentMousePosition()

void CAMERA::MakeRayAtCurrentMousePosition ( SFVEC3F &  aOutOrigin, SFVEC3F &  aOutDirection  ) const

inherited

Make a ray based on the latest mouse position.

Parameters

aOutOrigin	out origin position of the ray.
aOutDirection	out direction.

Definition at line 402 of file camera.cpp.

{
 const SFVEC2I windowPos = SFVEC2I( m_lastPosition.x, m_windowSize.y - m_lastPosition.y );
 
 if( ( 0 < windowPos.x ) && ( windowPos.x < m_windowSize.x ) &&
 ( 0 < windowPos.y ) && ( windowPos.y < m_windowSize.y ) )
 {
 MakeRay( windowPos, aOutOrigin, aOutDirection );
 }
}

References CAMERA::m_lastPosition, CAMERA::m_windowSize, and CAMERA::MakeRay().

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::GetPointerPosition(), and EDA_3D_CANVAS::getRayAtCurrentMousePosition().

Pan() [1/2]

void TRACK_BALL::Pan ( const SFVEC3F &  aDeltaOffsetInc )

overridevirtual

Implements CAMERA.

Definition at line 101 of file track_ball.cpp.

{
 m_parametersChanged = true;
 
 m_camera_pos += aDeltaOffsetInc;
 
 updateViewMatrix();
 updateFrustum();
}

References CAMERA::m_camera_pos, CAMERA::m_parametersChanged, CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

Pan() [2/2]

void TRACK_BALL::Pan ( const wxPoint &  aNewMousePosition )

overridevirtual

Implements CAMERA.

Definition at line 77 of file track_ball.cpp.

{
 m_parametersChanged = true;
 
 if( m_projectionType == PROJECTION_TYPE::ORTHO )
 {
 m_camera_pos.x -= m_frustum.nw *
 ( m_lastPosition.x - aNewMousePosition.x ) / m_windowSize.x;
 m_camera_pos.y -= m_frustum.nh *
 ( aNewMousePosition.y - m_lastPosition.y ) / m_windowSize.y;
 }
 else // PROJECTION_TYPE::PERSPECTIVE
 {
 // Unproject the coordinates using the precomputed frustum tangent (zoom level dependent)
 const float panFactor = -m_camera_pos.z * m_frustum.tang * 2;
 m_camera_pos.x -= panFactor * m_frustum.ratio *
 ( m_lastPosition.x - aNewMousePosition.x ) / m_windowSize.x;
 m_camera_pos.y -= panFactor * ( aNewMousePosition.y - m_lastPosition.y ) / m_windowSize.y;
 }
 
 updateViewMatrix();
 updateFrustum();
}

References CAMERA::m_camera_pos, CAMERA::m_frustum, CAMERA::m_lastPosition, CAMERA::m_parametersChanged, CAMERA::m_projectionType, CAMERA::m_windowSize, CAMERA_FRUSTUM::nh, CAMERA_FRUSTUM::nw, ORTHO, CAMERA_FRUSTUM::ratio, CAMERA_FRUSTUM::tang, CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

Pan_T1()

void TRACK_BALL::Pan_T1 ( const SFVEC3F &  aDeltaOffsetInc )

overridevirtual

Implements CAMERA.

Definition at line 111 of file track_ball.cpp.

{
 m_camera_pos_t1 = m_camera_pos + aDeltaOffsetInc;
}

References CAMERA::m_camera_pos, and CAMERA::m_camera_pos_t1.

ParametersChanged()

bool CAMERA::ParametersChanged ( )

inherited

Returns

true if some of the parameters in camera was changed, it will reset the flag.

Definition at line 662 of file camera.cpp.

{
 const bool parametersChanged = m_parametersChanged;
 
 m_parametersChanged = false;
 
 return parametersChanged;
}

References CAMERA::m_parametersChanged.

Referenced by EDA_3D_CANVAS::DoRePaint(), and RENDER_3D_RAYTRACE::Redraw().

ParametersChangedQuery()

bool CAMERA::ParametersChangedQuery ( ) const

inlineinherited

Returns

true if some of the parameters in camera was changed, it will NOT reset the flag.

Definition at line 244 of file camera.h.

{ return m_parametersChanged; }

References CAMERA::m_parametersChanged.

rebuildProjection()

void CAMERA::rebuildProjection ( )

protectedinherited

Definition at line 196 of file camera.cpp.

{
 if( ( m_windowSize.x == 0 ) || ( m_windowSize.y == 0 ) )
 return;
 
 m_frustum.ratio = (float) m_windowSize.x / (float)m_windowSize.y;
 m_frustum.farD = glm::length( m_camera_pos_init ) * m_maxZoom * 2.0f;
 
 switch( m_projectionType )
 {
 default:
 case PROJECTION_TYPE::PERSPECTIVE:
 
 m_frustum.nearD = 0.10f;
 
 m_frustum.angle = 45.0f;
 
 m_projectionMatrix = glm::perspective( glm::radians( m_frustum.angle ), m_frustum.ratio,
 m_frustum.nearD, m_frustum.farD );
 
 m_projectionMatrixInv = glm::inverse( m_projectionMatrix );
 
 m_frustum.tang = glm::tan( glm::radians( m_frustum.angle ) * 0.5f );
 
 m_focalLen.x = ( (float)m_windowSize.y / (float)m_windowSize.x ) / m_frustum.tang;
 m_focalLen.y = 1.0f / m_frustum.tang;
 
 m_frustum.nh = 2.0f * m_frustum.nearD * m_frustum.tang;
 m_frustum.nw = m_frustum.nh * m_frustum.ratio;
 m_frustum.fh = 2.0f * m_frustum.farD * m_frustum.tang;
 m_frustum.fw = m_frustum.fh * m_frustum.ratio;
 break;
 
 case PROJECTION_TYPE::ORTHO:
 
 // Keep the viewed plane at (m_camera_pos_init * m_zoom) the same dimensions in both projections.
 m_frustum.angle = 45.0f;
 m_frustum.tang = glm::tan( glm::radians( m_frustum.angle ) * 0.5f );
 
 m_frustum.nearD = -m_frustum.farD; // Use a symmetrical clip plane for ortho projection
 
 const float orthoReductionFactor =
 glm::length( m_camera_pos_init ) * m_zoom * m_frustum.tang;
 
 // Initialize Projection Matrix for Orthographic View
 m_projectionMatrix = glm::ortho( -m_frustum.ratio * orthoReductionFactor,
 m_frustum.ratio * orthoReductionFactor,
 -orthoReductionFactor,
 orthoReductionFactor,
 m_frustum.nearD, m_frustum.farD );
 
 m_projectionMatrixInv = glm::inverse( m_projectionMatrix );
 
 m_frustum.nw = orthoReductionFactor * 2.0f * m_frustum.ratio;
 m_frustum.nh = orthoReductionFactor * 2.0f;
 m_frustum.fw = m_frustum.nw;
 m_frustum.fh = m_frustum.nh;
 
 break;
 }
 
 if( ( m_windowSize.x > 0 ) && ( m_windowSize.y > 0 ) )
 {
 m_scr_nX.resize( m_windowSize.x + 1 );
 m_scr_nY.resize( m_windowSize.y + 1 );
 
 // Precalc X values for camera -> ray generation
 for( unsigned int x = 0; x < (unsigned int)m_windowSize.x + 1; ++x )
 {
 // Converts 0.0 .. 1.0
 const float xNormalizedDeviceCoordinates = ( ( (float)x + 0.5f ) /
 (m_windowSize.x - 0.0f) );
 
 // Converts -1.0 .. 1.0
 m_scr_nX[x] = 2.0f * xNormalizedDeviceCoordinates - 1.0f;
 }
 
 // Precalc Y values for camera -> ray generation
 for( unsigned int y = 0; y < (unsigned int)m_windowSize.y + 1 ; ++y )
 {
 // Converts 0.0 .. 1.0
 const float yNormalizedDeviceCoordinates = ( ( (float)y + 0.5f ) /
 (m_windowSize.y - 0.0f) );
 
 // Converts -1.0 .. 1.0
 m_scr_nY[y] = 2.0f * yNormalizedDeviceCoordinates - 1.0f;
 }
 
 updateFrustum();
 }
}

References CAMERA_FRUSTUM::angle, CAMERA_FRUSTUM::farD, CAMERA_FRUSTUM::fh, CAMERA_FRUSTUM::fw, CAMERA::m_camera_pos_init, CAMERA::m_focalLen, CAMERA::m_frustum, CAMERA::m_maxZoom, CAMERA::m_projectionMatrix, CAMERA::m_projectionMatrixInv, CAMERA::m_projectionType, CAMERA::m_scr_nX, CAMERA::m_scr_nY, CAMERA::m_windowSize, CAMERA::m_zoom, CAMERA_FRUSTUM::nearD, CAMERA_FRUSTUM::nh, CAMERA_FRUSTUM::nw, ORTHO, PERSPECTIVE, CAMERA_FRUSTUM::ratio, CAMERA_FRUSTUM::tang, and CAMERA::updateFrustum().

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::SetCurWindowSize(), CAMERA::ToggleProjection(), CAMERA::Zoom(), CAMERA::zoomChanged(), and CAMERA::ZoomReset().

Reset()

void CAMERA::Reset ( )

virtualinherited

Reset the camera to initial state.

Definition at line 70 of file camera.cpp.

{
 m_parametersChanged = true;
 m_projectionMatrix = glm::mat4( 1.0f );
 m_projectionMatrixInv = glm::mat4( 1.0f );
 m_rotationMatrix = glm::mat4( 1.0f );
 m_rotationMatrixAux = glm::mat4( 1.0f );
 m_lastPosition = wxPoint( 0, 0 );
 
 m_zoom = 1.0f;
 m_zoom_t0 = 1.0f;
 m_zoom_t1 = 1.0f;
 m_camera_pos = m_camera_pos_init;
 m_camera_pos_t0 = m_camera_pos_init;
 m_camera_pos_t1  = m_camera_pos_init;
 m_lookat_pos = m_board_lookat_pos_init;
 m_lookat_pos_t0 = m_board_lookat_pos_init;
 m_lookat_pos_t1 = m_board_lookat_pos_init;
 
 m_rotate_aux = SFVEC3F( 0.0f );
 m_rotate_aux_t0 = SFVEC3F( 0.0f );
 m_rotate_aux_t1 = SFVEC3F( 0.0f );
 
 updateRotationMatrix();
 updateViewMatrix();
 m_viewMatrixInverse = glm::inverse( m_viewMatrix );
 m_scr_nX.clear();
 m_scr_nY.clear();
 rebuildProjection();
}

References CAMERA::m_board_lookat_pos_init, CAMERA::m_camera_pos, CAMERA::m_camera_pos_init, CAMERA::m_camera_pos_t0, CAMERA::m_camera_pos_t1, CAMERA::m_lastPosition, CAMERA::m_lookat_pos, CAMERA::m_lookat_pos_t0, CAMERA::m_lookat_pos_t1, CAMERA::m_parametersChanged, CAMERA::m_projectionMatrix, CAMERA::m_projectionMatrixInv, CAMERA::m_rotate_aux, CAMERA::m_rotate_aux_t0, CAMERA::m_rotate_aux_t1, CAMERA::m_rotationMatrix, CAMERA::m_rotationMatrixAux, CAMERA::m_scr_nX, CAMERA::m_scr_nY, CAMERA::m_viewMatrix, CAMERA::m_viewMatrixInverse, CAMERA::m_zoom, CAMERA::m_zoom_t0, CAMERA::m_zoom_t1, CAMERA::rebuildProjection(), CAMERA::updateRotationMatrix(), and CAMERA::updateViewMatrix().

Referenced by CAMERA::CAMERA().

Reset_T1()

void TRACK_BALL::Reset_T1 ( )

overridevirtual

Reimplemented from CAMERA.

Definition at line 116 of file track_ball.cpp.

{
 CAMERA::Reset_T1();
 
 memset( m_quat_t1, 0, sizeof( m_quat_t1 ) );
 trackball( m_quat_t1, 0.0, 0.0, 0.0, 0.0 );
}

References m_quat_t1, CAMERA::Reset_T1(), and trackball().

ResetXYpos()

void CAMERA::ResetXYpos ( )

inherited

Definition at line 432 of file camera.cpp.

{
 m_parametersChanged = true;
 m_camera_pos.x = 0.0f;
 m_camera_pos.y = 0.0f;
 
 updateViewMatrix();
 updateFrustum();
}

References CAMERA::m_camera_pos, CAMERA::m_parametersChanged, CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

ResetXYpos_T1()

void CAMERA::ResetXYpos_T1 ( )

inherited

Definition at line 443 of file camera.cpp.

{
 m_camera_pos_t1.x = 0.0f;
 m_camera_pos_t1.y = 0.0f;
}

References CAMERA::m_camera_pos_t1.

Referenced by EDA_3D_CANVAS::move_pivot_based_on_cur_mouse_position().

RotateX()

void CAMERA::RotateX ( float  aAngleInRadians )

inherited

Definition at line 591 of file camera.cpp.

{
 m_rotate_aux.x += aAngleInRadians;
 updateRotationMatrix();
}

References CAMERA::m_rotate_aux, and CAMERA::updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

RotateX_T1()

void CAMERA::RotateX_T1 ( float  aAngleInRadians )

inherited

Definition at line 612 of file camera.cpp.

{
 m_rotate_aux_t1.x += aAngleInRadians;
}

References CAMERA::m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

RotateY()

void CAMERA::RotateY ( float  aAngleInRadians )

inherited

Definition at line 598 of file camera.cpp.

{
 m_rotate_aux.y += aAngleInRadians;
 updateRotationMatrix();
}

References CAMERA::m_rotate_aux, and CAMERA::updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

RotateY_T1()

void CAMERA::RotateY_T1 ( float  aAngleInRadians )

inherited

Definition at line 618 of file camera.cpp.

{
 m_rotate_aux_t1.y += aAngleInRadians;
}

References CAMERA::m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

RotateZ()

void CAMERA::RotateZ ( float  aAngleInRadians )

inherited

Definition at line 605 of file camera.cpp.

{
 m_rotate_aux.z += aAngleInRadians;
 updateRotationMatrix();
}

References CAMERA::m_rotate_aux, and CAMERA::updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

RotateZ_T1()

void CAMERA::RotateZ_T1 ( float  aAngleInRadians )

inherited

Definition at line 624 of file camera.cpp.

{
 m_rotate_aux_t1.z += aAngleInRadians;
}

References CAMERA::m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

SetBoardLookAtPos()

void CAMERA::SetBoardLookAtPos ( const SFVEC3F &  aBoardPos )

inherited

Definition at line 123 of file camera.cpp.

{
 if( m_board_lookat_pos_init != aBoardPos )
 {
 m_board_lookat_pos_init = aBoardPos;
 m_lookat_pos = aBoardPos;
 
 m_parametersChanged = true;
 
 updateViewMatrix();
 updateFrustum();
 }
}

References CAMERA::m_board_lookat_pos_init, CAMERA::m_lookat_pos, CAMERA::m_parametersChanged, CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

Referenced by RENDER_3D_OPENGL::reload(), and RENDER_3D_RAYTRACE::Reload().

SetCurMousePosition()

void CAMERA::SetCurMousePosition ( const wxPoint &  aPosition )

inherited

Update the current mouse position without make any new calculations on camera.

Definition at line 494 of file camera.cpp.

{
 m_lastPosition = aNewMousePosition;
}

References CAMERA::m_lastPosition.

Referenced by EDA_3D_MODEL_VIEWER::OnMouseMove(), HIDPI_GL_3D_CANVAS::OnMouseMoveCamera(), EDA_3D_MODEL_VIEWER::OnMouseWheel(), and HIDPI_GL_3D_CANVAS::OnMouseWheelCamera().

SetCurWindowSize()

bool CAMERA::SetCurWindowSize ( const wxSize &  aSize )

inherited

Update the windows size of the camera.

Returns

true if the windows size changed since last time.

Definition at line 511 of file camera.cpp.

{
 const SFVEC2I newSize = SFVEC2I( aSize.x, aSize.y );
 
 if( m_windowSize != newSize )
 {
 m_windowSize = newSize;
 rebuildProjection();
 
 return true;
 }
 
 return false;
}

References CAMERA::m_windowSize, and CAMERA::rebuildProjection().

Referenced by EDA_3D_CANVAS::DoRePaint(), EDA_3D_MODEL_VIEWER::OnMouseMove(), HIDPI_GL_3D_CANVAS::OnMouseMoveCamera(), and EDA_3D_MODEL_VIEWER::OnPaint().

SetInterpolateMode()

void CAMERA::SetInterpolateMode ( CAMERA_INTERPOLATION  aInterpolateMode )

inlineinherited

Definition at line 231 of file camera.h.

 {
 m_interpolation_mode = aInterpolateMode;
 }

References CAMERA::m_interpolation_mode.

Referenced by EDA_3D_CANVAS::move_pivot_based_on_cur_mouse_position(), and EDA_3D_CANVAS::SetView3D().

SetLookAtPos_T1()

void CAMERA::SetLookAtPos_T1 ( const SFVEC3F &  aLookAtPos )

inlineinherited

Definition at line 136 of file camera.h.

 {
 m_lookat_pos_t1 = aLookAtPos;
 }

References CAMERA::m_lookat_pos_t1.

Referenced by EDA_3D_CANVAS::move_pivot_based_on_cur_mouse_position(), and NL_3D_VIEWER_PLUGIN_IMPL::SetPivotPosition().

SetMaxZoom()

void CAMERA::SetMaxZoom ( float  maxZoom )

inlineinherited

Definition at line 205 of file camera.h.

 {
 m_maxZoom = maxZoom;
 zoomChanged();
 }

References CAMERA::m_maxZoom, and CAMERA::zoomChanged().

Referenced by RENDER_3D_RAYTRACE::Reload().

SetMinZoom()

void CAMERA::SetMinZoom ( float  minZoom )

inlineinherited

Definition at line 198 of file camera.h.

 {
 m_minZoom = minZoom;
 zoomChanged();
 }

References CAMERA::m_minZoom, and CAMERA::zoomChanged().

Referenced by RENDER_3D_RAYTRACE::Reload().

SetProjection()

void CAMERA::SetProjection ( PROJECTION_TYPE  aProjection )

inlineinherited

Definition at line 180 of file camera.h.

{ m_projectionType = aProjection; }

References CAMERA::m_projectionType.

Referenced by EDA_3D_CANVAS::SetProjectionMode().

SetRotationMatrix()

void CAMERA::SetRotationMatrix ( const glm::mat4 &  aRotation )

inherited

Set the rotation matrix to be applied in a transformation camera, without making any new calculations on camera.

Parameters

aRotation

is the total rotation matrix of the camera.

Definition at line 188 of file camera.cpp.

{
 m_parametersChanged = true;
 std::copy_n( glm::value_ptr( aRotation * glm::inverse( m_rotationMatrixAux ) ), 12,
 glm::value_ptr( m_rotationMatrix ) );
}

References CAMERA::m_parametersChanged, CAMERA::m_rotationMatrix, and CAMERA::m_rotationMatrixAux.

Referenced by CAMERA::SetViewMatrix().

SetT0_and_T1_current_T()

void TRACK_BALL::SetT0_and_T1_current_T ( )

overridevirtual

This will set T0 and T1 with the current values.

Reimplemented from CAMERA.

Definition at line 124 of file track_ball.cpp.

{
 CAMERA::SetT0_and_T1_current_T();
 
 double quat[4];
 
 // Charge the quaternions with the current rotation matrix to allow dual input.
 std::copy_n( glm::value_ptr( glm::conjugate( glm::quat_cast( m_rotationMatrix ) ) ),
 sizeof( quat ) / sizeof( quat[0] ), quat );
 
 memcpy( m_quat_t0, quat, sizeof( quat ) );
 memcpy( m_quat_t1, quat, sizeof( quat ) );
}

References m_quat_t0, m_quat_t1, CAMERA::m_rotationMatrix, and CAMERA::SetT0_and_T1_current_T().

SetViewMatrix()

void CAMERA::SetViewMatrix ( glm::mat4  aViewMatrix )

inherited

Set the affine matrix to be applied to a transformation camera.

Parameters

aViewMatrix

is the affine matrix of the camera. The affine matrix maps coordinates in the world frame to those in the camera frame.

Definition at line 456 of file camera.cpp.

{
 SetRotationMatrix( aViewMatrix );
 
 // The look at position in the view frame.
 glm::vec4 lookat = aViewMatrix * glm::vec4( m_lookat_pos, 1.0f );
 
 wxLogTrace( m_logTrace,
 wxT( "CAMERA::SetViewMatrix aViewMatrix[3].z =%f, old_zoom=%f, new_zoom=%f, "
 "m[3].z=%f" ),
 aViewMatrix[3].z, m_zoom, lookat.z / m_camera_pos_init.z, lookat.z );
 
 m_zoom = lookat.z / m_camera_pos_init.z;
 
 if( m_zoom > m_maxZoom )
 {
 m_zoom = m_maxZoom;
 aViewMatrix[3].z += -lookat.z + m_maxZoom * m_camera_pos_init.z;
 }
 else if( m_zoom < m_minZoom )
 {
 m_zoom = m_minZoom;
 aViewMatrix[3].z += -lookat.z + m_minZoom * m_camera_pos_init.z;
 }
 
 m_viewMatrix = std::move( aViewMatrix );
 m_camera_pos = m_viewMatrix
 * glm::inverse( m_rotationMatrix * m_rotationMatrixAux
 * glm::translate( glm::mat4( 1.0f ), -m_lookat_pos ) )[3];
}

References CAMERA::m_camera_pos, CAMERA::m_camera_pos_init, CAMERA::m_logTrace, CAMERA::m_lookat_pos, CAMERA::m_maxZoom, CAMERA::m_minZoom, CAMERA::m_rotationMatrix, CAMERA::m_rotationMatrixAux, CAMERA::m_viewMatrix, CAMERA::m_zoom, and CAMERA::SetRotationMatrix().

Referenced by EDA_3D_VIEWER_FRAME::applyViewport(), and NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix().

ToggleProjection()

void CAMERA::ToggleProjection ( )

inherited

Definition at line 500 of file camera.cpp.

{
 if( m_projectionType == PROJECTION_TYPE::ORTHO )
 m_projectionType = PROJECTION_TYPE::PERSPECTIVE;
 else
 m_projectionType = PROJECTION_TYPE::ORTHO;
 
 rebuildProjection();
}

References CAMERA::m_projectionType, ORTHO, PERSPECTIVE, and CAMERA::rebuildProjection().

Referenced by EDA_3D_CONTROLLER::ToggleOrtho(), and PANEL_PREVIEW_3D_MODEL::View3DISO().

Update()

void CAMERA::Update ( )

inlineinherited

Update the camera.

Definition at line 276 of file camera.h.

{ updateFrustum(); }

References CAMERA::updateFrustum().

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix().

updateFrustum()

void CAMERA::updateFrustum ( )

protectedinherited

Definition at line 289 of file camera.cpp.

{
 // Update matrix and vectors
 m_viewMatrixInverse = glm::inverse( m_viewMatrix );
 
 m_right = glm::normalize( SFVEC3F( m_viewMatrixInverse *
 glm::vec4( SFVEC3F( 1.0, 0.0, 0.0 ), 0.0 ) ) );
 
 m_up = glm::normalize( SFVEC3F( m_viewMatrixInverse *
  glm::vec4( SFVEC3F( 0.0, 1.0, 0.0 ), 0.0 ) ) );
 
 m_dir = glm::normalize( SFVEC3F( m_viewMatrixInverse *
 glm::vec4( SFVEC3F( 0.0, 0.0, 1.0 ), 0.0 ) ) );
 
 m_pos = SFVEC3F( m_viewMatrixInverse * glm::vec4( SFVEC3F( 0.0, 0.0, 0.0 ), 1.0 ) );
 
 /*
 * Frustum is a implementation based on a tutorial by
 * http://www.lighthouse3d.com/tutorials/view-frustum-culling/
 */
 
 const SFVEC3F half_right_nw = m_right * m_frustum.nw * 0.5f;
 const SFVEC3F half_right_fw = m_right * m_frustum.fw * 0.5f;
 const SFVEC3F half_up_nh = m_up * m_frustum.nh * 0.5f;
 const SFVEC3F half_up_fh = m_up * m_frustum.fh * 0.5f;
 
 // compute the centers of the near and far planes
 m_frustum.nc = m_pos - m_dir * m_frustum.nearD;
 m_frustum.fc = m_pos - m_dir * m_frustum.farD;
 
 // compute the 4 corners of the frustum on the near plane
 m_frustum.ntl = m_frustum.nc + half_up_nh - half_right_nw;
 m_frustum.ntr = m_frustum.nc + half_up_nh + half_right_nw;
 m_frustum.nbl = m_frustum.nc - half_up_nh - half_right_nw;
 m_frustum.nbr = m_frustum.nc - half_up_nh + half_right_nw;
 
 // compute the 4 corners of the frustum on the far plane
 m_frustum.ftl = m_frustum.fc + half_up_fh - half_right_fw;
 m_frustum.ftr = m_frustum.fc + half_up_fh + half_right_fw;
 m_frustum.fbl = m_frustum.fc - half_up_fh - half_right_fw;
 m_frustum.fbr = m_frustum.fc - half_up_fh + half_right_fw;
 
 if( ( m_windowSize.x > 0 ) && ( m_windowSize.y > 0 ) )
 {
 // Reserve size for precalc values
 m_right_nX.resize( m_windowSize.x + 1 );
 m_up_nY.resize( m_windowSize.y + 1 );
 
 // Precalc X values for camera -> ray generation
 for( unsigned int x = 0; x < ( (unsigned int) m_windowSize.x + 1 ); ++x )
 m_right_nX[x] = half_right_nw * m_scr_nX[x];
 
 // Precalc Y values for camera -> ray generation
 for( unsigned int y = 0; y < ( (unsigned int) m_windowSize.y + 1 ); ++y )
 m_up_nY[y] = half_up_nh * m_scr_nY[y];
 }
}

References CAMERA_FRUSTUM::farD, CAMERA_FRUSTUM::fbl, CAMERA_FRUSTUM::fbr, CAMERA_FRUSTUM::fc, CAMERA_FRUSTUM::fh, CAMERA_FRUSTUM::ftl, CAMERA_FRUSTUM::ftr, CAMERA_FRUSTUM::fw, CAMERA::m_dir, CAMERA::m_frustum, CAMERA::m_pos, CAMERA::m_right, CAMERA::m_right_nX, CAMERA::m_scr_nX, CAMERA::m_scr_nY, CAMERA::m_up, CAMERA::m_up_nY, CAMERA::m_viewMatrix, CAMERA::m_viewMatrixInverse, CAMERA::m_windowSize, CAMERA_FRUSTUM::nbl, CAMERA_FRUSTUM::nbr, CAMERA_FRUSTUM::nc, CAMERA_FRUSTUM::nearD, CAMERA_FRUSTUM::nh, CAMERA_FRUSTUM::ntl, CAMERA_FRUSTUM::ntr, and CAMERA_FRUSTUM::nw.

Referenced by Drag(), Pan(), CAMERA::rebuildProjection(), CAMERA::ResetXYpos(), CAMERA::SetBoardLookAtPos(), CAMERA::Update(), and CAMERA::updateRotationMatrix().

updateRotationMatrix()

void CAMERA::updateRotationMatrix ( )

protectedinherited

Definition at line 161 of file camera.cpp.

{
 m_rotationMatrixAux = glm::rotate( glm::mat4( 1.0f ), m_rotate_aux.x,
 SFVEC3F( 1.0f, 0.0f, 0.0f ) );
 normalise2PI( m_rotate_aux.x );
 
 m_rotationMatrixAux = glm::rotate( m_rotationMatrixAux, m_rotate_aux.y,
 SFVEC3F( 0.0f, 1.0f, 0.0f ) );
 normalise2PI( m_rotate_aux.y );
 
 m_rotationMatrixAux = glm::rotate( m_rotationMatrixAux, m_rotate_aux.z,
 SFVEC3F( 0.0f, 0.0f, 1.0f ) );
 normalise2PI( m_rotate_aux.z );
 
 m_parametersChanged = true;
 
 updateViewMatrix();
 updateFrustum();
}

References CAMERA::m_parametersChanged, CAMERA::m_rotate_aux, CAMERA::m_rotationMatrixAux, normalise2PI(), CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::RotateX(), CAMERA::RotateY(), and CAMERA::RotateZ().

updateViewMatrix()

void CAMERA::updateViewMatrix ( )

protectedinherited

Definition at line 153 of file camera.cpp.

{
 m_viewMatrix = glm::translate( glm::mat4( 1.0f ), m_camera_pos ) *
 m_rotationMatrix * m_rotationMatrixAux *
 glm::translate( glm::mat4( 1.0f ), -m_lookat_pos );
}

References CAMERA::m_camera_pos, CAMERA::m_lookat_pos, CAMERA::m_rotationMatrix, CAMERA::m_rotationMatrixAux, and CAMERA::m_viewMatrix.

Referenced by Drag(), Pan(), CAMERA::Reset(), CAMERA::ResetXYpos(), CAMERA::SetBoardLookAtPos(), CAMERA::updateRotationMatrix(), CAMERA::Zoom(), CAMERA::zoomChanged(), and CAMERA::ZoomReset().

Zoom()

bool CAMERA::Zoom ( float  aFactor )

inherited

Definition at line 538 of file camera.cpp.

{
 if( ( m_zoom <= m_minZoom && aFactor > 1 ) || ( m_zoom >= m_maxZoom && aFactor < 1 )
 || aFactor == 1 )
 {
 return false;
 }
 
 float zoom = m_zoom;
 m_zoom /= aFactor;
 
 if( m_zoom <= m_minZoom && aFactor > 1 )
 {
 aFactor = zoom / m_minZoom;
 m_zoom = m_minZoom;
 }
 else if( m_zoom >= m_maxZoom && aFactor < 1 )
 {
 aFactor = zoom / m_maxZoom;
 m_zoom = m_maxZoom;
 }
 
 m_camera_pos.z /= aFactor;
 
 updateViewMatrix();
 rebuildProjection();
 
 return true;
}

References CAMERA::m_camera_pos, CAMERA::m_maxZoom, CAMERA::m_minZoom, CAMERA::m_zoom, CAMERA::rebuildProjection(), CAMERA::updateViewMatrix(), and zoom.

Referenced by EDA_3D_MODEL_VIEWER::OnMouseWheel(), HIDPI_GL_3D_CANVAS::OnMouseWheelCamera(), and NL_3D_VIEWER_PLUGIN_IMPL::SetViewExtents().

Zoom_T1()

bool CAMERA::Zoom_T1 ( float  aFactor )

inherited

Definition at line 569 of file camera.cpp.

{
 if( ( m_zoom <= m_minZoom && aFactor > 1 ) || ( m_zoom >= m_maxZoom && aFactor < 1 )
 || aFactor == 1 )
 {
 return false;
 }
 
 m_zoom_t1 = m_zoom / aFactor;
 
 if( m_zoom_t1 < m_minZoom )
 m_zoom_t1 = m_minZoom;
 
 if( m_zoom_t1 > m_maxZoom )
 m_zoom_t1 = m_maxZoom;
 
 m_camera_pos_t1.z = m_camera_pos_init.z * m_zoom_t1;
 
 return true;
}

References CAMERA::m_camera_pos_init, CAMERA::m_camera_pos_t1, CAMERA::m_maxZoom, CAMERA::m_minZoom, CAMERA::m_zoom, and CAMERA::m_zoom_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

zoomChanged()

void CAMERA::zoomChanged ( )

protectedinherited

Definition at line 138 of file camera.cpp.

{
 if( m_zoom < m_minZoom )
 m_zoom = m_minZoom;
 
 if( m_zoom > m_maxZoom )
 m_zoom = m_maxZoom;
 
 m_camera_pos.z = m_camera_pos_init.z * m_zoom;
 
 updateViewMatrix();
 rebuildProjection();
}

References CAMERA::m_camera_pos, CAMERA::m_camera_pos_init, CAMERA::m_maxZoom, CAMERA::m_minZoom, CAMERA::m_zoom, CAMERA::rebuildProjection(), and CAMERA::updateViewMatrix().

Referenced by CAMERA::SetMaxZoom(), and CAMERA::SetMinZoom().

ZoomReset()

void CAMERA::ZoomReset ( )

inherited

Definition at line 527 of file camera.cpp.

{
 m_zoom = 1.0f;
 
 m_camera_pos.z = m_camera_pos_init.z;
 
 updateViewMatrix();
 rebuildProjection();
}

References CAMERA::m_camera_pos, CAMERA::m_camera_pos_init, CAMERA::m_zoom, CAMERA::rebuildProjection(), and CAMERA::updateViewMatrix().

Member Data Documentation

DEFAULT_MAX_ZOOM

const float CAMERA::DEFAULT_MAX_ZOOM = 2.0f

staticinherited

Definition at line 81 of file camera.h.

Referenced by CAMERA::CAMERA(), and RENDER_3D_RAYTRACE::Reload().

DEFAULT_MIN_ZOOM

const float CAMERA::DEFAULT_MIN_ZOOM = 0.020f

staticinherited

Definition at line 80 of file camera.h.

Referenced by CAMERA::CAMERA().

m_board_lookat_pos_init

SFVEC3F CAMERA::m_board_lookat_pos_init

protectedinherited

Default boardlookat position (the board center).

Definition at line 334 of file camera.h.

Referenced by CAMERA::CAMERA(), CAMERA::Reset(), CAMERA::Reset_T1(), and CAMERA::SetBoardLookAtPos().

m_camera_pos

SFVEC3F CAMERA::m_camera_pos

protectedinherited

Definition at line 327 of file camera.h.

Referenced by CAMERA::GetCameraPos(), CAMERA::Interpolate(), Pan(), Pan_T1(), CAMERA::Reset(), CAMERA::ResetXYpos(), CAMERA::SetT0_and_T1_current_T(), CAMERA::SetViewMatrix(), CAMERA::updateViewMatrix(), CAMERA::Zoom(), CAMERA::zoomChanged(), and CAMERA::ZoomReset().

m_camera_pos_init

SFVEC3F CAMERA::m_camera_pos_init

protectedinherited

Definition at line 326 of file camera.h.

Referenced by CAMERA::CAMERA(), CAMERA::GetCameraInitPos(), CAMERA::GetCameraMinDimension(), CAMERA::rebuildProjection(), CAMERA::Reset(), CAMERA::Reset_T1(), CAMERA::SetViewMatrix(), CAMERA::Zoom_T1(), CAMERA::zoomChanged(), and CAMERA::ZoomReset().

m_camera_pos_t0

SFVEC3F CAMERA::m_camera_pos_t0

protectedinherited

Definition at line 328 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), and CAMERA::SetT0_and_T1_current_T().

m_camera_pos_t1

SFVEC3F CAMERA::m_camera_pos_t1

protectedinherited

Definition at line 329 of file camera.h.

Referenced by CAMERA::Interpolate(), Pan_T1(), CAMERA::Reset(), CAMERA::Reset_T1(), CAMERA::ResetXYpos_T1(), CAMERA::SetT0_and_T1_current_T(), and CAMERA::Zoom_T1().

m_dir

SFVEC3F CAMERA::m_dir

protectedinherited

Definition at line 321 of file camera.h.

Referenced by CAMERA::GetDir(), CAMERA::MakeRay(), and CAMERA::updateFrustum().

m_focalLen

SFVEC2F CAMERA::m_focalLen

protectedinherited

Definition at line 324 of file camera.h.

Referenced by CAMERA::GetFocalLen(), and CAMERA::rebuildProjection().

m_frustum

CAMERA_FRUSTUM CAMERA::m_frustum

protectedinherited

Definition at line 317 of file camera.h.

Referenced by CAMERA::GetCameraMinDimension(), CAMERA::GetFar(), CAMERA::GetFrustum(), CAMERA::GetNear(), CAMERA::MakeRay(), Pan(), CAMERA::rebuildProjection(), and CAMERA::updateFrustum().

m_interpolation_mode

CAMERA_INTERPOLATION CAMERA::m_interpolation_mode

protectedinherited

Definition at line 340 of file camera.h.

Referenced by CAMERA::CAMERA(), Interpolate(), and CAMERA::SetInterpolateMode().

m_lastPosition

wxPoint CAMERA::m_lastPosition

protectedinherited

The last mouse position in the screen.

Definition at line 307 of file camera.h.

Referenced by Drag(), CAMERA::GetCurMousePosition(), CAMERA::MakeRayAtCurrentMousePosition(), Pan(), CAMERA::Reset(), and CAMERA::SetCurMousePosition().

m_lookat_pos

SFVEC3F CAMERA::m_lookat_pos

protectedinherited

Definition at line 331 of file camera.h.

Referenced by CAMERA::GetLookAtPos(), CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::SetBoardLookAtPos(), CAMERA::SetT0_and_T1_current_T(), CAMERA::SetViewMatrix(), and CAMERA::updateViewMatrix().

m_lookat_pos_t0

SFVEC3F CAMERA::m_lookat_pos_t0

protectedinherited

Definition at line 332 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), and CAMERA::SetT0_and_T1_current_T().

m_lookat_pos_t1

SFVEC3F CAMERA::m_lookat_pos_t1

protectedinherited

Definition at line 333 of file camera.h.

Referenced by CAMERA::GetLookAtPos_T1(), CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::Reset_T1(), CAMERA::SetLookAtPos_T1(), and CAMERA::SetT0_and_T1_current_T().

m_maxZoom

float CAMERA::m_maxZoom

protectedinherited

Definition at line 297 of file camera.h.

Referenced by CAMERA::CAMERA(), CAMERA::GetMaxZoom(), CAMERA::rebuildProjection(), CAMERA::SetMaxZoom(), CAMERA::SetViewMatrix(), CAMERA::Zoom(), CAMERA::Zoom_T1(), and CAMERA::zoomChanged().

m_minZoom

float CAMERA::m_minZoom

protectedinherited

Possible 3D zoom range.

Definition at line 296 of file camera.h.

Referenced by CAMERA::CAMERA(), CAMERA::GetMinZoom(), CAMERA::SetMinZoom(), CAMERA::SetViewMatrix(), CAMERA::Zoom(), CAMERA::Zoom_T1(), and CAMERA::zoomChanged().

m_parametersChanged

bool CAMERA::m_parametersChanged

protectedinherited

Set to true if any of the parameters in the camera was changed.

Definition at line 358 of file camera.h.

Referenced by Drag(), CAMERA::Interpolate(), Pan(), CAMERA::ParametersChanged(), CAMERA::ParametersChangedQuery(), CAMERA::Reset(), CAMERA::ResetXYpos(), CAMERA::SetBoardLookAtPos(), CAMERA::SetRotationMatrix(), and CAMERA::updateRotationMatrix().

m_pos

SFVEC3F CAMERA::m_pos

protectedinherited

Definition at line 322 of file camera.h.

Referenced by CAMERA::GetPos(), CAMERA::MakeRay(), and CAMERA::updateFrustum().

m_projectionMatrix

glm::mat4 CAMERA::m_projectionMatrix

protectedinherited

Definition at line 313 of file camera.h.

Referenced by CAMERA::GetProjectionMatrix(), CAMERA::rebuildProjection(), and CAMERA::Reset().

m_projectionMatrixInv

glm::mat4 CAMERA::m_projectionMatrixInv

protectedinherited

Definition at line 314 of file camera.h.

Referenced by CAMERA::GetProjectionMatrixInv(), CAMERA::rebuildProjection(), and CAMERA::Reset().

m_projectionType

PROJECTION_TYPE CAMERA::m_projectionType

protectedinherited

Definition at line 315 of file camera.h.

Referenced by CAMERA::CAMERA(), CAMERA::GetProjection(), CAMERA::MakeRay(), Pan(), CAMERA::rebuildProjection(), CAMERA::SetProjection(), and CAMERA::ToggleProjection().

m_quat_t0

double TRACK_BALL::m_quat_t0[4]

private

interpolate quaternions of the trackball

Definition at line 63 of file track_ball.h.

Referenced by Interpolate(), SetT0_and_T1_current_T(), and TRACK_BALL().

m_quat_t1

double TRACK_BALL::m_quat_t1[4]

private

Definition at line 64 of file track_ball.h.

Referenced by Interpolate(), Reset_T1(), SetT0_and_T1_current_T(), and TRACK_BALL().

m_right

SFVEC3F CAMERA::m_right

protectedinherited

Definition at line 319 of file camera.h.

Referenced by CAMERA::GetRight(), and CAMERA::updateFrustum().

m_right_nX

std::vector< SFVEC3F > CAMERA::m_right_nX

protectedinherited

Precalc values array used to calc ray for each pixel, for X and Y axis of each new camera position.

Definition at line 352 of file camera.h.

Referenced by CAMERA::MakeRay(), and CAMERA::updateFrustum().

m_rotate_aux

SFVEC3F CAMERA::m_rotate_aux

protectedinherited

Stores the rotation angle auxiliary.

Definition at line 336 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::RotateX(), CAMERA::RotateY(), CAMERA::RotateZ(), CAMERA::SetT0_and_T1_current_T(), and CAMERA::updateRotationMatrix().

m_rotate_aux_t0

SFVEC3F CAMERA::m_rotate_aux_t0

protectedinherited

Definition at line 337 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::Reset_T1(), and CAMERA::SetT0_and_T1_current_T().

m_rotate_aux_t1

SFVEC3F CAMERA::m_rotate_aux_t1

protectedinherited

Definition at line 338 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::Reset_T1(), CAMERA::RotateX_T1(), CAMERA::RotateY_T1(), CAMERA::RotateZ_T1(), and CAMERA::SetT0_and_T1_current_T().

m_rotationMatrix

glm::mat4 CAMERA::m_rotationMatrix

protectedinherited

Definition at line 309 of file camera.h.

Referenced by Drag(), CAMERA::GetRotationMatrix(), Interpolate(), CAMERA::Reset(), CAMERA::SetRotationMatrix(), SetT0_and_T1_current_T(), CAMERA::SetViewMatrix(), and CAMERA::updateViewMatrix().

m_rotationMatrixAux

glm::mat4 CAMERA::m_rotationMatrixAux

protectedinherited

Definition at line 310 of file camera.h.

Referenced by CAMERA::GetRotationMatrix(), CAMERA::Reset(), CAMERA::SetRotationMatrix(), CAMERA::SetViewMatrix(), CAMERA::updateRotationMatrix(), and CAMERA::updateViewMatrix().

m_scr_nX

std::vector< float > CAMERA::m_scr_nX

protectedinherited

Precalc values array used to calc ray for each pixel (constant for the same window size).

Definition at line 345 of file camera.h.

Referenced by CAMERA::rebuildProjection(), CAMERA::Reset(), and CAMERA::updateFrustum().

m_scr_nY

std::vector< float > CAMERA::m_scr_nY

protectedinherited

Definition at line 346 of file camera.h.

Referenced by CAMERA::rebuildProjection(), CAMERA::Reset(), and CAMERA::updateFrustum().

m_up

SFVEC3F CAMERA::m_up

protectedinherited

Definition at line 320 of file camera.h.

Referenced by CAMERA::GetUp(), and CAMERA::updateFrustum().

m_up_nY

std::vector< SFVEC3F > CAMERA::m_up_nY

protectedinherited

Definition at line 353 of file camera.h.

Referenced by CAMERA::MakeRay(), and CAMERA::updateFrustum().

m_viewMatrix

glm::mat4 CAMERA::m_viewMatrix

protectedinherited

Definition at line 311 of file camera.h.

Referenced by CAMERA::GetViewMatrix(), CAMERA::Reset(), CAMERA::SetViewMatrix(), CAMERA::updateFrustum(), and CAMERA::updateViewMatrix().

m_viewMatrixInverse

glm::mat4 CAMERA::m_viewMatrixInverse

protectedinherited

Definition at line 312 of file camera.h.

Referenced by CAMERA::GetViewMatrix_Inv(), CAMERA::Reset(), and CAMERA::updateFrustum().

m_windowSize

SFVEC2I CAMERA::m_windowSize

protectedinherited

The window size that this camera is working.

Definition at line 302 of file camera.h.

Referenced by CAMERA::CAMERA(), Drag(), CAMERA::MakeRay(), CAMERA::MakeRayAtCurrentMousePosition(), Pan(), CAMERA::rebuildProjection(), CAMERA::SetCurWindowSize(), and CAMERA::updateFrustum().

m_zoom

float CAMERA::m_zoom

protectedinherited

3D zoom value – Z-distance is scaled by it

Definition at line 289 of file camera.h.

Referenced by CAMERA::GetZoom(), CAMERA::Interpolate(), CAMERA::rebuildProjection(), CAMERA::Reset(), CAMERA::SetT0_and_T1_current_T(), CAMERA::SetViewMatrix(), CAMERA::Zoom(), CAMERA::Zoom_T1(), CAMERA::zoomChanged(), and CAMERA::ZoomReset().

m_zoom_t0

float CAMERA::m_zoom_t0

protectedinherited

Definition at line 290 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), and CAMERA::SetT0_and_T1_current_T().

m_zoom_t1

float CAMERA::m_zoom_t1

protectedinherited

Definition at line 291 of file camera.h.

Referenced by CAMERA::Interpolate(), CAMERA::Reset(), CAMERA::Reset_T1(), CAMERA::SetT0_and_T1_current_T(), and CAMERA::Zoom_T1().

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

• track_ball.h
• track_ball.cpp