Public Member Functions¶

virtual SbVec3f project (const SbVec2f &point)=0
SbVec3f projectAndGetRotation (const SbVec2f &point, SbRotation &rot)
virtual SbRotation getRotation (const SbVec3f &point1, const SbVec3f &point2)=0
void setCylinder (const SbCylinder &cyl)
const SbCylinder & getCylinder (void) const
void setOrientToEye (const SbBool orienttoeye)
SbBool isOrientToEye (void) const
void setFront (const SbBool infront)
SbBool isFront (void) const
SbBool isPointInFront (const SbVec3f &point) const
virtual void setWorkingSpace (const SbMatrix &space)

Public Member Functions inherited from SbProjector
virtual void setViewVolume (const SbViewVolume &vol)
const SbViewVolume & getViewVolume (void) const
const SbMatrix & getWorkingSpace (void) const
virtual SbProjector * copy (void) const =0
virtual SbBool tryProject (const SbVec2f &point, const float epsilon, SbVec3f &result)

Protected Member Functions¶

SbCylinderProjector (const SbBool orienttoeye)
SbCylinderProjector (const SbCylinder &cylinder, const SbBool orienttoeye)
SbBool intersectCylinderFront (const SbLine &line, SbVec3f &result)

Protected Member Functions inherited from SbProjector
SbProjector (void)
virtual ~SbProjector ()
SbLine getWorkingLine (const SbVec2f &point) const
float findVanishingDistance (void) const
SbBool verifyProjection (const SbVec3f &projpt) const

Protected Attributes¶

SbBool intersectFront
SbCylinder cylinder
SbBool orientToEye
SbBool needSetup
SbVec3f lastPoint

Protected Attributes inherited from SbProjector
SbViewVolume viewVol
SbMatrix worldToWorking
SbMatrix workingToWorld

SbCylinderProjector::SbCylinderProjector (const SbBool orienttoeye) [protected]¶

Default constructor sets up a cylinder along the Y axis with height 1.

SbCylinderProjector::SbCylinderProjector (const SbCylinder & cylinder, const SbBool orienttoeye) [protected]¶

Constructor taking an explicit cylinder projection definition.

virtual SbVec3f SbCylinderProjector::project (const SbVec2f & point) [pure virtual]¶

Project the 2D point from normalized viewport coordinates to a 3D point. The mapping will be done in accordance with the type of the projector.

Implements SbProjector.

Implemented in SbCylinderPlaneProjector, SbCylinderSectionProjector, and SbCylinderSheetProjector.

SbVec3f SbCylinderProjector::projectAndGetRotation (const SbVec2f & point, SbRotation & rot)¶

Project the 2D point to a 3D coordinate on the cylindrical surface, and find the rotation from the last projection to this one.

See also

SbRotation SbCylinderProjector::getRotation (const SbVec3f & point1, const SbVec3f & point2) [pure virtual]¶

Returns rotation on the projection surface which re-orients point1 to point2.

Implemented in SbCylinderPlaneProjector, SbCylinderSectionProjector, and SbCylinderSheetProjector.

void SbCylinderProjector::setCylinder (const SbCylinder & cylinderref)¶

Set cylinder to project onto.

const SbCylinder & SbCylinderProjector::getCylinder (void) const¶

Returns projection cylinder.

void SbCylinderProjector::setOrientToEye (const SbBool orienttoeye)¶

Sets whether or not the projection surface should be oriented towards the eye of the viewer.

SbBool SbCylinderProjector::isOrientToEye (void) const¶

Returns the state of the cylinder orientation flag.

void SbCylinderProjector::setFront (const SbBool infront)¶

Set whether to intersect with the outside of the cylinder (isfront equal to TRUE), or the inside.

SbBool SbCylinderProjector::isFront (void) const¶

Returns value of the flag which decides whether to intersect with the outside or inside of the cylinder.

SbBool SbCylinderProjector::isPointInFront (const SbVec3f & point) const¶

Check if point is on the frontside or the backside of the cylinder.

void SbCylinderProjector::setWorkingSpace (const SbMatrix & space) [virtual]¶

Sets the matrix used for converting from the projector's coordinate system to the world coordinate system.

Reimplemented from SbProjector.

SbBool SbCylinderProjector::intersectCylinderFront (const SbLine & line, SbVec3f & result) [protected]¶

Intersect line with the SbCylinderProjector::cylinder and place the intersection point (if any) in result. Considers setFront() settings.

Returns TRUE if line actually hits the cylinder, FALSE if it doesn't intersect with it.

SbCylinderProjector::intersectFront [protected]¶

Flag which says whether or not we should map to the outside or inside of the cylinder surface.

SbCylinderProjector::cylinder [protected]¶

Specification of the projection cylinder.

SbCylinderProjector::orientToEye [protected]¶

Which direction the cylindrical surface is oriented.

SbCylinderProjector::needSetup [protected]¶

Set to TRUE whenever the projection surface needs to be recalculated according to the setting of the SbCylinderProjector::orientToEye flag.

SbCylinderProjector::lastPoint [protected]¶

Stores the previously projected 3D point.