A class used to derive camera objects from. More...

#include <camera.h>

Inheritance diagram for CAMERA:

Public Member Functions
	CAMERA (float aInitialDistance)
	Initialize a camera. More...

virtual	~CAMERA ()

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	Drag (const wxPoint &aNewMousePosition)=0
	Calculate a new mouse drag position. More...

virtual void	Pan (const wxPoint &aNewMousePosition)=0

virtual void	Pan (const SFVEC3F &aDeltaOffsetInc)=0

virtual void	Pan_T1 (const SFVEC3F &aDeltaOffsetInc)=0

virtual void	Reset ()
	Reset the camera to initial state. More...

virtual void	Reset_T1 ()

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)

virtual void	SetT0_and_T1_current_T ()
	This will set T0 and T1 with the current values. More...

virtual void	Interpolate (float t)
	It will update the matrix to interpolate between T0 and T1 values. More...

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...

Detailed Description

A class used to derive camera objects from.

It must be derived by other classes to implement a real camera object.

Definition at line 77 of file camera.h.

Constructor & Destructor Documentation

◆ CAMERA()

CAMERA::CAMERA ( float aInitialDistance )

explicit

Initialize a camera.

Parameters

aInitialDistance Initial Z-distance to the board

Definition at line 53 of file camera.cpp.

{
 wxLogTrace( m_logTrace, wxT( "CAMERA::CAMERA" ) );
 
 m_camera_pos_init = SFVEC3F( 0.0f, 0.0f, -aInitialDistance );
 m_board_lookat_pos_init = SFVEC3F( 0.0f );
 m_windowSize = SFVEC2I( 0, 0 );
 m_projectionType = PROJECTION_TYPE::PERSPECTIVE;
 m_interpolation_mode = CAMERA_INTERPOLATION::BEZIER;
 
 m_minZoom = DEFAULT_MIN_ZOOM;
 m_maxZoom = DEFAULT_MAX_ZOOM;
 
 Reset();
}

References BEZIER, DEFAULT_MAX_ZOOM, DEFAULT_MIN_ZOOM, m_board_lookat_pos_init, m_camera_pos_init, m_interpolation_mode, m_logTrace, m_maxZoom, m_minZoom, m_projectionType, m_windowSize, PERSPECTIVE, and Reset().

◆ ~CAMERA()

virtual CAMERA::~CAMERA ( )

inlinevirtual

Definition at line 90 of file camera.h.

91 {

92 }

Member Function Documentation

◆ Drag()

virtual void CAMERA::Drag ( const wxPoint & aNewMousePosition )

pure virtual

Calculate a new mouse drag position.

Implemented in TRACK_BALL.

Referenced by HIDPI_GL_3D_CANVAS::OnMouseMoveCamera().

◆ GetCameraInitPos()

const SFVEC3F & CAMERA::GetCameraInitPos ( ) const

inline

Definition at line 144 of file camera.h.

144{ return m_camera_pos_init; }

References m_camera_pos_init.

Referenced by RENDER_3D_RAYTRACE::Reload().

◆ GetCameraMinDimension()

float CAMERA::GetCameraMinDimension ( ) const

Definition at line 426 of file camera.cpp.

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

References m_camera_pos_init, m_frustum, and CAMERA_FRUSTUM::tang.

◆ GetCameraPos()

const SFVEC3F & CAMERA::GetCameraPos ( ) const

inline

Definition at line 143 of file camera.h.

143{ return m_camera_pos; }

CAMERA::m_camera_pos

SFVEC3F m_camera_pos

Definition: camera.h:327

References m_camera_pos.

Referenced by EDA_3D_CANVAS::DisplayStatus().

◆ GetCurMousePosition()

const wxPoint & CAMERA::GetCurMousePosition ( )

inline

Get the current mouse position.

Definition at line 171 of file camera.h.

171{ return m_lastPosition; }

CAMERA::m_lastPosition

wxPoint m_lastPosition

The last mouse position in the screen.

Definition: camera.h:307

References m_lastPosition.

◆ GetDir()

const SFVEC3F & CAMERA::GetDir ( ) const

inline

Definition at line 109 of file camera.h.

109{ return m_dir; }

CAMERA::m_dir

SFVEC3F m_dir

Definition: camera.h:321

References m_dir.

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

◆ GetFar()

float CAMERA::GetFar ( ) const

inline

Definition at line 113 of file camera.h.

113{ return m_frustum.farD; }

CAMERA_FRUSTUM::farD

float farD

Definition: camera.h:59

References CAMERA_FRUSTUM::farD, and m_frustum.

◆ GetFocalLen()

const SFVEC2F & CAMERA::GetFocalLen ( ) const

inline

Definition at line 111 of file camera.h.

111{ return m_focalLen; }

CAMERA::m_focalLen

SFVEC2F m_focalLen

Definition: camera.h:324

References m_focalLen.

◆ GetFrustum()

const CAMERA_FRUSTUM & CAMERA::GetFrustum ( ) const

inline

Definition at line 114 of file camera.h.

114{ return m_frustum; }

References 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

inline

Definition at line 115 of file camera.h.

115{ return m_lookat_pos; }

CAMERA::m_lookat_pos

SFVEC3F m_lookat_pos

Definition: camera.h:331

References 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

inline

Definition at line 141 of file camera.h.

141{ return m_lookat_pos_t1; }

CAMERA::m_lookat_pos_t1

SFVEC3F m_lookat_pos_t1

Definition: camera.h:333

References m_lookat_pos_t1.

Referenced by EDA_3D_CANVAS::render_pivot().

◆ GetMaxZoom()

float CAMERA::GetMaxZoom ( )

inline

Definition at line 204 of file camera.h.

204{ return m_maxZoom; }

References m_maxZoom.

◆ GetMinZoom()

float CAMERA::GetMinZoom ( )

inline

Definition at line 197 of file camera.h.

197{ return m_minZoom; }

References m_minZoom.

◆ GetNear()

float CAMERA::GetNear ( ) const

inline

Definition at line 112 of file camera.h.

112{ return m_frustum.nearD; }

CAMERA_FRUSTUM::nearD

float nearD

Definition: camera.h:59

References m_frustum, and CAMERA_FRUSTUM::nearD.

◆ GetPos()

const SFVEC3F & CAMERA::GetPos ( ) const

inline

Definition at line 110 of file camera.h.

110{ return m_pos; }

CAMERA::m_pos

SFVEC3F m_pos

Definition: camera.h:322

References m_pos.

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

◆ GetProjection()

PROJECTION_TYPE CAMERA::GetProjection ( )

inline

Definition at line 179 of file camera.h.

179{ return m_projectionType; }

References 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

Definition at line 414 of file camera.cpp.

{
 return m_projectionMatrix;
}

References 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

Definition at line 420 of file camera.cpp.

{
 return m_projectionMatrixInv;
}

References m_projectionMatrixInv.

◆ GetRight()

const SFVEC3F & CAMERA::GetRight ( ) const

inline

Definition at line 107 of file camera.h.

107{ return m_right; }

CAMERA::m_right

SFVEC3F m_right

Definition: camera.h:319

References m_right.

◆ GetRotationMatrix()

glm::mat4 CAMERA::GetRotationMatrix ( ) const

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 m_rotationMatrix, and m_rotationMatrixAux.

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

◆ GetUp()

const SFVEC3F & CAMERA::GetUp ( ) const

inline

Definition at line 108 of file camera.h.

108{ return m_up; }

CAMERA::m_up

SFVEC3F m_up

Definition: camera.h:320

References m_up.

◆ GetViewMatrix()

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

Definition at line 450 of file camera.cpp.

{
 return m_viewMatrix;
}

References 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

Definition at line 488 of file camera.cpp.

{
 return m_viewMatrixInverse;
}

References m_viewMatrixInverse.

◆ GetZoom()

float CAMERA::GetZoom ( ) const

inline

Definition at line 195 of file camera.h.

195{ return m_zoom; }

CAMERA::m_zoom

float m_zoom

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

Definition: camera.h:289

References 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 CAMERA::Interpolate ( float t )

virtual

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 in TRACK_BALL.

Definition at line 644 of file camera.cpp.

{
 wxASSERT( t >= 0.0f );
 
 const float t0 = 1.0f - t;
 
 m_camera_pos = m_camera_pos_t0 * t0 + m_camera_pos_t1 * t;
 m_lookat_pos = m_lookat_pos_t0 * t0 + m_lookat_pos_t1 * t;
 m_rotate_aux = m_rotate_aux_t0 * t0 + m_rotate_aux_t1 * t;
 m_zoom = m_zoom_t0 * t0 + m_zoom_t1 * t;
 
 m_parametersChanged = true;
 
 updateRotationMatrix();
 rebuildProjection();
}

References m_camera_pos, m_camera_pos_t0, m_camera_pos_t1, m_lookat_pos, m_lookat_pos_t0, m_lookat_pos_t1, m_parametersChanged, m_rotate_aux, m_rotate_aux_t0, m_rotate_aux_t1, m_zoom, m_zoom_t0, m_zoom_t1, rebuildProjection(), and updateRotationMatrix().

Referenced by EDA_3D_CANVAS::DoRePaint(), TRACK_BALL::Interpolate(), and EDA_3D_CANVAS::request_start_moving_camera().

◆ MakeRay() [1/2]

void CAMERA::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.

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

◆ MakeRay() [2/2]

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

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

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

◆ MakeRayAtCurrentMousePosition()

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

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 m_lastPosition, m_windowSize, and MakeRay().

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

◆ Pan() [1/2]

virtual void CAMERA::Pan ( const SFVEC3F & aDeltaOffsetInc )

pure virtual

Implemented in TRACK_BALL.

◆ Pan() [2/2]

virtual void CAMERA::Pan ( const wxPoint & aNewMousePosition )

pure virtual

Implemented in TRACK_BALL.

Referenced by HIDPI_GL_3D_CANVAS::OnMouseMoveCamera(), and HIDPI_GL_3D_CANVAS::OnMouseWheelCamera().

◆ Pan_T1()

virtual void CAMERA::Pan_T1 ( const SFVEC3F & aDeltaOffsetInc )

pure virtual

Implemented in TRACK_BALL.

Referenced by EDA_3D_CANVAS::SetView3D().

◆ ParametersChanged()

bool CAMERA::ParametersChanged ( )

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 m_parametersChanged.

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

◆ ParametersChangedQuery()

bool CAMERA::ParametersChangedQuery ( ) const

inline

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.

244{ return m_parametersChanged; }

References m_parametersChanged.

◆ rebuildProjection()

void CAMERA::rebuildProjection ( )

protected

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

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

◆ Reset()

void CAMERA::Reset ( )

virtual

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

Referenced by CAMERA().

◆ Reset_T1()

void CAMERA::Reset_T1 ( )

virtual

Reimplemented in TRACK_BALL.

Definition at line 102 of file camera.cpp.

{
 m_camera_pos_t1 = m_camera_pos_init;
 m_zoom_t1 = 1.0f;
 m_rotate_aux_t1 = SFVEC3F( 0.0f );
 m_lookat_pos_t1 = m_board_lookat_pos_init;
 
 // Since 0 = 2pi, we want to reset the angle to be the closest
 // one to where we currently are. That ensures that we rotate
 // the board around the smallest distance getting there.
 if( m_rotate_aux_t0.x > M_PI )
 m_rotate_aux_t1.x = static_cast<float>( 2.0f * M_PI );
 
 if( m_rotate_aux_t0.y > M_PI )
 m_rotate_aux_t1.y = static_cast<float>( 2.0f * M_PI );
 
 if( m_rotate_aux_t0.z > M_PI )
 m_rotate_aux_t1.z = static_cast<float>( 2.0f * M_PI );
}

References m_board_lookat_pos_init, m_camera_pos_init, m_camera_pos_t1, m_lookat_pos_t1, m_rotate_aux_t0, m_rotate_aux_t1, and m_zoom_t1.

Referenced by TRACK_BALL::Reset_T1(), and EDA_3D_CANVAS::SetView3D().

◆ ResetXYpos()

void CAMERA::ResetXYpos ( )

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 m_camera_pos, m_parametersChanged, updateFrustum(), and updateViewMatrix().

◆ ResetXYpos_T1()

void CAMERA::ResetXYpos_T1 ( )

Definition at line 443 of file camera.cpp.

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

References m_camera_pos_t1.

Referenced by EDA_3D_CANVAS::move_pivot_based_on_cur_mouse_position().

◆ RotateX()

void CAMERA::RotateX ( float aAngleInRadians )

Definition at line 591 of file camera.cpp.

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

References m_rotate_aux, and updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

◆ RotateX_T1()

void CAMERA::RotateX_T1 ( float aAngleInRadians )

Definition at line 612 of file camera.cpp.

{
 m_rotate_aux_t1.x += aAngleInRadians;
}

References m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

◆ RotateY()

void CAMERA::RotateY ( float aAngleInRadians )

Definition at line 598 of file camera.cpp.

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

References m_rotate_aux, and updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

◆ RotateY_T1()

void CAMERA::RotateY_T1 ( float aAngleInRadians )

Definition at line 618 of file camera.cpp.

{
 m_rotate_aux_t1.y += aAngleInRadians;
}

References m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

◆ RotateZ()

void CAMERA::RotateZ ( float aAngleInRadians )

Definition at line 605 of file camera.cpp.

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

References m_rotate_aux, and updateRotationMatrix().

Referenced by EDA_3D_CONTROLLER::RotateView().

◆ RotateZ_T1()

void CAMERA::RotateZ_T1 ( float aAngleInRadians )

Definition at line 624 of file camera.cpp.

{
 m_rotate_aux_t1.z += aAngleInRadians;
}

References m_rotate_aux_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

◆ SetBoardLookAtPos()

void CAMERA::SetBoardLookAtPos ( const SFVEC3F & aBoardPos )

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 m_board_lookat_pos_init, m_lookat_pos, m_parametersChanged, updateFrustum(), and updateViewMatrix().

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

◆ SetCurMousePosition()

void CAMERA::SetCurMousePosition ( const wxPoint & aPosition )

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

Definition at line 494 of file camera.cpp.

{
 m_lastPosition = aNewMousePosition;
}

References 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 )

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 m_windowSize, and 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 )

inline

Definition at line 231 of file camera.h.

 {
 m_interpolation_mode = aInterpolateMode;
 }

References 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 )

inline

Definition at line 136 of file camera.h.

 {
 m_lookat_pos_t1 = aLookAtPos;
 }

References 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 )

inline

Definition at line 205 of file camera.h.

 {
 m_maxZoom = maxZoom;
 zoomChanged();
 }

References m_maxZoom, and zoomChanged().

Referenced by RENDER_3D_RAYTRACE::Reload().

◆ SetMinZoom()

void CAMERA::SetMinZoom ( float minZoom )

inline

Definition at line 198 of file camera.h.

 {
 m_minZoom = minZoom;
 zoomChanged();
 }

References m_minZoom, and zoomChanged().

Referenced by RENDER_3D_RAYTRACE::Reload().

◆ SetProjection()

void CAMERA::SetProjection ( PROJECTION_TYPE aProjection )

inline

Definition at line 180 of file camera.h.

180{ m_projectionType = aProjection; }

References m_projectionType.

Referenced by EDA_3D_CANVAS::SetProjectionMode().

◆ SetRotationMatrix()

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

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 m_parametersChanged, m_rotationMatrix, and m_rotationMatrixAux.

Referenced by SetViewMatrix().

◆ SetT0_and_T1_current_T()

void CAMERA::SetT0_and_T1_current_T ( )

virtual

This will set T0 and T1 with the current values.

Reimplemented in TRACK_BALL.

Definition at line 630 of file camera.cpp.

{
 m_camera_pos_t0 = m_camera_pos;
 m_lookat_pos_t0 = m_lookat_pos;
 m_rotate_aux_t0 = m_rotate_aux;
 m_zoom_t0 = m_zoom;
 
 m_camera_pos_t1 = m_camera_pos;
 m_lookat_pos_t1 = m_lookat_pos;
 m_rotate_aux_t1 = m_rotate_aux;
 m_zoom_t1 = m_zoom;
}

References m_camera_pos, m_camera_pos_t0, m_camera_pos_t1, m_lookat_pos, m_lookat_pos_t0, m_lookat_pos_t1, m_rotate_aux, m_rotate_aux_t0, m_rotate_aux_t1, m_zoom, m_zoom_t0, and m_zoom_t1.

Referenced by EDA_3D_CANVAS::move_pivot_based_on_cur_mouse_position(), TRACK_BALL::SetT0_and_T1_current_T(), and EDA_3D_CANVAS::SetView3D().

◆ SetViewMatrix()

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

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

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

◆ ToggleProjection()

void CAMERA::ToggleProjection ( )

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 m_projectionType, ORTHO, PERSPECTIVE, and rebuildProjection().

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

◆ Update()

void CAMERA::Update ( )

inline

Update the camera.

Definition at line 276 of file camera.h.

276{ updateFrustum(); }

References updateFrustum().

Referenced by NL_3D_VIEWER_PLUGIN_IMPL::SetCameraMatrix().

◆ updateFrustum()

void CAMERA::updateFrustum ( )

protected

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, m_dir, m_frustum, m_pos, m_right, m_right_nX, m_scr_nX, m_scr_nY, m_up, m_up_nY, m_viewMatrix, m_viewMatrixInverse, 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 TRACK_BALL::Drag(), TRACK_BALL::Pan(), rebuildProjection(), ResetXYpos(), SetBoardLookAtPos(), Update(), and updateRotationMatrix().

◆ updateRotationMatrix()

void CAMERA::updateRotationMatrix ( )

protected

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 m_parametersChanged, m_rotate_aux, m_rotationMatrixAux, normalise2PI(), updateFrustum(), and updateViewMatrix().

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

◆ updateViewMatrix()

void CAMERA::updateViewMatrix ( )

protected

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 m_camera_pos, m_lookat_pos, m_rotationMatrix, m_rotationMatrixAux, and m_viewMatrix.

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

◆ Zoom()

bool CAMERA::Zoom ( float aFactor )

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 m_camera_pos, m_maxZoom, m_minZoom, m_zoom, rebuildProjection(), 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 )

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 m_camera_pos_init, m_camera_pos_t1, m_maxZoom, m_minZoom, m_zoom, and m_zoom_t1.

Referenced by EDA_3D_CANVAS::SetView3D().

◆ zoomChanged()

void CAMERA::zoomChanged ( )

protected

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

Referenced by SetMaxZoom(), and SetMinZoom().

◆ ZoomReset()

void CAMERA::ZoomReset ( )

Definition at line 527 of file camera.cpp.

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

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

Member Data Documentation

◆ DEFAULT_MAX_ZOOM

const float CAMERA::DEFAULT_MAX_ZOOM = 2.0f

static

Definition at line 81 of file camera.h.

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

◆ DEFAULT_MIN_ZOOM

const float CAMERA::DEFAULT_MIN_ZOOM = 0.020f

static

Definition at line 80 of file camera.h.

Referenced by CAMERA().

◆ m_board_lookat_pos_init

SFVEC3F CAMERA::m_board_lookat_pos_init

protected

Default boardlookat position (the board center).

Definition at line 334 of file camera.h.

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

◆ m_camera_pos

SFVEC3F CAMERA::m_camera_pos

protected

Definition at line 327 of file camera.h.

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

◆ m_camera_pos_init

SFVEC3F CAMERA::m_camera_pos_init

protected

Definition at line 326 of file camera.h.

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

◆ m_camera_pos_t0

SFVEC3F CAMERA::m_camera_pos_t0

protected

Definition at line 328 of file camera.h.

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

◆ m_camera_pos_t1

SFVEC3F CAMERA::m_camera_pos_t1

protected

Definition at line 329 of file camera.h.

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

◆ m_dir

SFVEC3F CAMERA::m_dir

protected

Definition at line 321 of file camera.h.

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

◆ m_focalLen

SFVEC2F CAMERA::m_focalLen

protected

Definition at line 324 of file camera.h.

Referenced by GetFocalLen(), and rebuildProjection().

◆ m_frustum

CAMERA_FRUSTUM CAMERA::m_frustum

protected

Definition at line 317 of file camera.h.

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

◆ m_interpolation_mode

CAMERA_INTERPOLATION CAMERA::m_interpolation_mode

protected

Definition at line 340 of file camera.h.

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

◆ m_lastPosition

wxPoint CAMERA::m_lastPosition

protected

The last mouse position in the screen.

Definition at line 307 of file camera.h.

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

◆ m_lookat_pos

SFVEC3F CAMERA::m_lookat_pos

protected

Definition at line 331 of file camera.h.

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

◆ m_lookat_pos_t0

SFVEC3F CAMERA::m_lookat_pos_t0

protected

Definition at line 332 of file camera.h.

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

◆ m_lookat_pos_t1

SFVEC3F CAMERA::m_lookat_pos_t1

protected

Definition at line 333 of file camera.h.

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

◆ m_maxZoom

float CAMERA::m_maxZoom

protected

Definition at line 297 of file camera.h.

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

◆ m_minZoom

float CAMERA::m_minZoom

protected

Possible 3D zoom range.

Definition at line 296 of file camera.h.

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

◆ m_parametersChanged

bool CAMERA::m_parametersChanged

protected

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

Definition at line 358 of file camera.h.

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

◆ m_pos

SFVEC3F CAMERA::m_pos

protected

Definition at line 322 of file camera.h.

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

◆ m_projectionMatrix

glm::mat4 CAMERA::m_projectionMatrix

protected

Definition at line 313 of file camera.h.

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

◆ m_projectionMatrixInv

glm::mat4 CAMERA::m_projectionMatrixInv

protected

Definition at line 314 of file camera.h.

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

◆ m_projectionType

PROJECTION_TYPE CAMERA::m_projectionType

protected

Definition at line 315 of file camera.h.

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

◆ m_right

SFVEC3F CAMERA::m_right

protected

Definition at line 319 of file camera.h.

Referenced by GetRight(), and updateFrustum().

◆ m_right_nX

std::vector< SFVEC3F > CAMERA::m_right_nX

protected

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 MakeRay(), and updateFrustum().

◆ m_rotate_aux

SFVEC3F CAMERA::m_rotate_aux

protected

Stores the rotation angle auxiliary.

Definition at line 336 of file camera.h.

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

◆ m_rotate_aux_t0

SFVEC3F CAMERA::m_rotate_aux_t0

protected

Definition at line 337 of file camera.h.

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

◆ m_rotate_aux_t1

SFVEC3F CAMERA::m_rotate_aux_t1

protected

Definition at line 338 of file camera.h.

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

◆ m_rotationMatrix

glm::mat4 CAMERA::m_rotationMatrix

protected

Definition at line 309 of file camera.h.

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

◆ m_rotationMatrixAux

glm::mat4 CAMERA::m_rotationMatrixAux

protected

Definition at line 310 of file camera.h.

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

◆ m_scr_nX

std::vector< float > CAMERA::m_scr_nX

protected

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 rebuildProjection(), Reset(), and updateFrustum().

◆ m_scr_nY

std::vector< float > CAMERA::m_scr_nY

protected

Definition at line 346 of file camera.h.

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

◆ m_up

SFVEC3F CAMERA::m_up

protected

Definition at line 320 of file camera.h.

Referenced by GetUp(), and updateFrustum().

◆ m_up_nY

std::vector< SFVEC3F > CAMERA::m_up_nY

protected

Definition at line 353 of file camera.h.

Referenced by MakeRay(), and updateFrustum().

◆ m_viewMatrix

glm::mat4 CAMERA::m_viewMatrix

protected

Definition at line 311 of file camera.h.

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

◆ m_viewMatrixInverse

glm::mat4 CAMERA::m_viewMatrixInverse

protected

Definition at line 312 of file camera.h.

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

◆ m_windowSize

SFVEC2I CAMERA::m_windowSize

protected

The window size that this camera is working.

Definition at line 302 of file camera.h.

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

◆ m_zoom

float CAMERA::m_zoom

protected

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

Definition at line 289 of file camera.h.

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

◆ m_zoom_t0

float CAMERA::m_zoom_t0

protected

Definition at line 290 of file camera.h.

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

◆ m_zoom_t1

float CAMERA::m_zoom_t1

protected

Definition at line 291 of file camera.h.

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

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

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CAMERA()

◆ ~CAMERA()

Member Function Documentation

◆ Drag()

◆ GetCameraInitPos()

◆ GetCameraMinDimension()

◆ GetCameraPos()

◆ GetCurMousePosition()

◆ GetDir()

◆ GetFar()

◆ GetFocalLen()

◆ GetFrustum()

◆ GetLookAtPos()

◆ GetLookAtPos_T1()

◆ GetMaxZoom()

◆ GetMinZoom()

◆ GetNear()

◆ GetPos()

◆ GetProjection()

◆ GetProjectionMatrix()

◆ GetProjectionMatrixInv()

◆ GetRight()

◆ GetRotationMatrix()

◆ GetUp()

◆ GetViewMatrix()

◆ GetViewMatrix_Inv()

◆ GetZoom()

◆ Interpolate()

◆ MakeRay() [1/2]

◆ MakeRay() [2/2]

◆ MakeRayAtCurrentMousePosition()

◆ Pan() [1/2]

◆ Pan() [2/2]

◆ Pan_T1()

◆ ParametersChanged()

◆ ParametersChangedQuery()

◆ rebuildProjection()

◆ Reset()

◆ Reset_T1()

◆ ResetXYpos()

◆ ResetXYpos_T1()

◆ RotateX()

◆ RotateX_T1()

◆ RotateY()

◆ RotateY_T1()

◆ RotateZ()

◆ RotateZ_T1()

◆ SetBoardLookAtPos()

◆ SetCurMousePosition()

◆ SetCurWindowSize()

◆ SetInterpolateMode()

◆ SetLookAtPos_T1()

◆ SetMaxZoom()

◆ SetMinZoom()

◆ SetProjection()

◆ SetRotationMatrix()

◆ SetT0_and_T1_current_T()

◆ SetViewMatrix()

◆ ToggleProjection()

◆ Update()

◆ updateFrustum()

◆ updateRotationMatrix()

◆ updateViewMatrix()

◆ Zoom()

◆ Zoom_T1()

◆ zoomChanged()

◆ ZoomReset()

Member Data Documentation

◆ DEFAULT_MAX_ZOOM

◆ DEFAULT_MIN_ZOOM

◆ m_board_lookat_pos_init

◆ m_camera_pos

◆ m_camera_pos_init