com.openinventor.inventor.projectors

Class SbLineProjector

java.lang.Object

com.openinventor.inventor.Inventor

com.openinventor.inventor.projectors.SbProjector

com.openinventor.inventor.projectors.SbLineProjector

public class SbLineProjector
extends SbProjector

Line projector. SbLineProjector projects a 2D point, typically the location of the cursor, onto a 3D line.

See also:

SbCylinderProjector, SbCylinderPlaneProjector, SbCylinderSectionProjector, SbCylinderSheetProjector, SbPlaneProjector, SbSpherePlaneProjector, SbSphereProjector, SbSphereSectionProjector, SbSphereSheetProjector

Nested Class Summary

Nested classes/interfaces inherited from class com.openinventor.inventor.Inventor

Inventor.ConstructorCommand

Field Summary

Fields inherited from class com.openinventor.inventor.Inventor

VERBOSE_LEVEL, ZeroHandle

Constructor Summary

Constructors

Constructor and Description
SbLineProjector() Constructor.

Method Summary

Modifier and Type	Method and Description
SbLine	getLine() Gets the line on which to project 2D points.
SbVec3f	getVector(SbVec2f mousePosition) Gets a vector given the current mouse point.
SbVec3f	getVector(SbVec2f mousePosition1, SbVec2f mousePosition2) Gets a vector on this line given two normalized mouse points.
SbVec3f	project(SbVec2f point) Applies the projector using the given point, returning the point in three dimensions that it projects to and the status.
void	setLine(SbLine line) Sets the line on which to project 2D points.
void	setStartPosition(SbVec2f mousePosition) Sets the initial position from a mouse position.
void	setStartPosition(SbVec3f point) Sets the initial position from a point on the projector.

Methods inherited from class com.openinventor.inventor.projectors.SbProjector

copy, getViewVolume, getWorkingSpace, intersect, setViewVolume, setWorkingSpace

Methods inherited from class com.openinventor.inventor.Inventor

dispose, getAddress, getNativeResourceHandle, startInternalThreads, stopInternalThreads

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SbLineProjector

public SbLineProjector()

Constructor. The default line passes through the origin and is aligned with the Y axis.

Method Detail

setStartPosition

public void setStartPosition(SbVec2f mousePosition)

Sets the initial position from a mouse position.

project

public SbVec3f project(SbVec2f point)

Applies the projector using the given point, returning the point in three dimensions that it projects to and the status. The point should be normalized from 0-1, with (0,0) at the lower-left.

Overrides:

project in class SbProjector

setStartPosition

public void setStartPosition(SbVec3f point)

Sets the initial position from a point on the projector.

getLine

public SbLine getLine()

Gets the line on which to project 2D points.

setLine

public void setLine(SbLine line)

Sets the line on which to project 2D points.

getVector

public SbVec3f getVector(SbVec2f mousePosition)

Gets a vector given the current mouse point. Uses the last point on this projector from the previous call to getVector() or setStartPostion(). Do not use this if the working space transform is changing since the new point will be in a different space than the old one.

getVector

public SbVec3f getVector(SbVec2f mousePosition1,
                         SbVec2f mousePosition2)

Gets a vector on this line given two normalized mouse points.