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#include <Inventor/SbBox.h>
Public Member Functions | |
SbBox3i32 (void) | |
SbBox3i32 (int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax) | |
SbBox3i32 (const SbVec3i32 &minpoint, const SbVec3i32 &maxpoint) | |
SbBox3i32 (const SbBox3s &box) | |
SbBox3i32 (const SbBox3f &box) | |
SbBox3i32 (const SbBox3d &box) | |
SbBox3i32 & | setBounds (int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax) |
SbBox3i32 & | setBounds (const SbVec3i32 &minpoint, const SbVec3i32 &maxpoint) |
SbBox3i32 & | setBounds (const SbBox3s &box) |
SbBox3i32 & | setBounds (const SbBox3f &box) |
SbBox3i32 & | setBounds (const SbBox3d &box) |
void | getBounds (int32_t &xmin, int32_t &ymin, int32_t &zmin, int32_t &xmax, int32_t &ymax, int32_t &zmax) const |
void | getBounds (SbVec3i32 &minpoint, SbVec3i32 &maxpoint) const |
const SbVec3i32 & | getMin (void) const |
SbVec3i32 & | getMin (void) |
const SbVec3i32 & | getMax (void) const |
SbVec3i32 & | getMax (void) |
void | extendBy (const SbVec3i32 &pt) |
void | extendBy (const SbBox3i32 &bb) |
void | extendBy (const SbVec3f &pt) |
void | transform (const SbMatrix &m) |
void | makeEmpty (void) |
SbBool | isEmpty (void) const |
SbBool | hasVolume (void) const |
float | getVolume (void) const |
SbBool | intersect (const SbVec3i32 &pt) const |
SbBool | intersect (const SbBox3i32 &bb) const |
SbBool | intersect (const SbVec3f &pt) const |
SbBool | outside (const SbMatrix &MVP, int &cullBits) const |
SbVec3f | getClosestPoint (const SbVec3f &pt) const |
SbVec3f | getCenter (void) const |
void | getOrigin (int32_t &originX, int32_t &originY, int32_t &originZ) const |
void | getSize (int32_t &sizeX, int32_t &sizeY, int32_t sizeZ) const |
void | getSpan (const SbVec3f &direction, float &dmin, float &dmax) const |
Protected Attributes | |
SbVec3i32 | minpt |
SbVec3i32 | maxpt |
SbBox3i32::SbBox3i32 | ( | void | ) | [inline] |
The default constructor makes an empty box.
SbBox3i32::SbBox3i32 | ( | int32_t | xmin, | |
int32_t | ymin, | |||
int32_t | zmin, | |||
int32_t | xmax, | |||
int32_t | ymax, | |||
int32_t | zmax | |||
) | [inline] |
Constructs a box with the given corners.
minx should be less than maxx, miny should be less than maxy and minz should be less than maxz if you want to make a valid box.
Constructs a box with the given corners.
The coordinates of min should be less than the coordinates of max if you want to make a valid box.
SbBox3i32::SbBox3i32 | ( | const SbBox3s & | box | ) | [inline, explicit] |
Constructs a box with the values from the box converting the values to 32-bit integers
SbBox3i32::SbBox3i32 | ( | const SbBox3f & | box | ) | [inline, explicit] |
Constructs a box with the values from the box converting the values to 32-bit integers
SbBox3i32::SbBox3i32 | ( | const SbBox3d & | box | ) | [inline, explicit] |
Constructs a box with the values from the box converting the values to 32-bit integers
SbBox3i32 & SbBox3i32::setBounds | ( | int32_t | xmin, | |
int32_t | ymin, | |||
int32_t | zmin, | |||
int32_t | xmax, | |||
int32_t | ymax, | |||
int32_t | zmax | |||
) | [inline] |
Reset the boundaries to the boundaries given. Returns reference to self.
Referenced by transform().
Reset the boundaries to the boundaries of the given box.
Returns reference to self.
References SbBox3s::getMax(), SbBox3s::getMin(), SbBox3s::isEmpty(), makeEmpty(), and SbVec3i32::setValue().
Reset the boundaries to the boundaries of the given box.
Returns reference to self.
References SbBox3f::getMax(), SbBox3f::getMin(), SbBox3f::isEmpty(), makeEmpty(), and SbVec3i32::setValue().
Reset the boundaries to the boundaries of the given box.
Returns reference to self.
References SbBox3d::getMax(), SbBox3d::getMin(), SbBox3d::isEmpty(), makeEmpty(), and SbVec3i32::setValue().
void SbBox3i32::getBounds | ( | int32_t & | xmin, | |
int32_t & | ymin, | |||
int32_t & | zmin, | |||
int32_t & | xmax, | |||
int32_t & | ymax, | |||
int32_t & | zmax | |||
) | const [inline] |
Returns the boundaries of the box.
Returns the boundaries of the box.
const SbVec3i32 & SbBox3i32::getMin | ( | void | ) | const [inline] |
Returns the minimum point. This should usually be the lower left corner point of the box.
Referenced by extendBy(), SbBox3s::setBounds(), SbBox3f::setBounds(), and SbBox3d::setBounds().
SbVec3i32 & SbBox3i32::getMin | ( | void | ) | [inline] |
Returns the minimum point. This should usually be the lower left corner point of the box.
const SbVec3i32 & SbBox3i32::getMax | ( | void | ) | const [inline] |
Returns the maximum point. This should usually be the upper right corner point of the box.
Referenced by extendBy(), SbBox3s::setBounds(), SbBox3f::setBounds(), and SbBox3d::setBounds().
SbVec3i32 & SbBox3i32::getMax | ( | void | ) | [inline] |
Returns the maximum point. This should usually be the upper right corner point of the box.
void SbBox3i32::extendBy | ( | const SbVec3i32 & | pt | ) |
Extend the boundaries of the box by the given point, i.e. make the point fit inside the box if it isn't already so.
References isEmpty(), and SbVec3i32::setValue().
Referenced by extendBy(), and transform().
void SbBox3i32::extendBy | ( | const SbBox3i32 & | bb | ) |
Extend the boundaries of the box by the given box parameter. This is equal to calling extendBy() twice with the corner points.
References extendBy(), getMax(), getMin(), and isEmpty().
void SbBox3i32::extendBy | ( | const SbVec3f & | pt | ) |
Extend the boundaries of the box by the given point, i.e. make the point fit inside the box if it isn't already so.
References extendBy().
void SbBox3i32::transform | ( | const SbMatrix & | m | ) |
Transform the box by the matrix, and change its boundaries to contain the transformed box.
Doesn't touch illegal/empty boxes.
References extendBy(), isEmpty(), maxpt, minpt, SbMatrix::multVecMatrix(), SoDebugError::postWarning(), setBounds(), and SbVec3f::setValue().
void SbBox3i32::makeEmpty | ( | void | ) |
Marks this as an empty box.
References SbVec3i32::setValue().
Referenced by setBounds().
SbBool SbBox3i32::isEmpty | ( | void | ) | const [inline] |
Check if this has been marked as an empty box.
Referenced by extendBy(), SbBox3s::setBounds(), SbBox3f::setBounds(), SbBox3d::setBounds(), and transform().
SbBool SbBox3i32::hasVolume | ( | void | ) | const [inline] |
Check if the box has been correctly specified and by that virtue has volume.
float SbBox3i32::getVolume | ( | void | ) | const [inline] |
Check if the box has "positive" volume, i.e. the lower left corner is actually lower and more left than the maximum point.
SbBool SbBox3i32::intersect | ( | const SbVec3i32 & | pt | ) | const |
Check if the given point lies within the boundaries of this box.
SbBool SbBox3i32::intersect | ( | const SbBox3i32 & | bb | ) | const |
SbBool SbBox3i32::intersect | ( | const SbVec3f & | pt | ) | const |
Check if the given point lies within the boundaries of this box.
SbBool SbBox3i32::outside | ( | const SbMatrix & | MVP, | |
int & | cullbits | |||
) | const |
Check if the box is outside the view volume defined by the mvp matrix. Sets cullbits according to which planes we're inside or outside. Bit 0 (0x1) is cleared when box is completely inside left and right clipping planes. Bit 1 (0x2) is cleared when box is inside top and bottom clipping planes. Bit 2 (0x4) is cleared when box is inside near and far clipping planes.
Returns TRUE
if box is completely outside one of the clipping planes. FALSE
otherwise.
References SbMatrix::multVecMatrix().
Return the point on the box closest to the given point.
References getCenter().
SbVec3f SbBox3i32::getCenter | ( | void | ) | const [inline] |
Returns the center point of the box.
Referenced by getClosestPoint().
void SbBox3i32::getOrigin | ( | int32_t & | originX, | |
int32_t & | originY, | |||
int32_t & | originZ | |||
) | const [inline] |
Returns the coordinates of the box origin (i.e. the lower left corner).
References SbVec3f::getValue().
void SbBox3i32::getSize | ( | int32_t & | sizeX, | |
int32_t & | sizeY, | |||
int32_t | sizeZ | |||
) | const [inline] |
Returns width, height and depth of box.
void SbBox3i32::getSpan | ( | const SbVec3f & | dir, | |
float & | dmin, | |||
float & | dmax | |||
) | const |
Find the span of the box in the given direction (i.e. how much room in the given direction the box needs). The distance is returned as the minimum and maximum distance from origo to the closest and furthest plane defined by the direction vector and each of the box' corners. The difference between these values gives the span.
References SbVec3f::dot(), SbVec3f::normalize(), SoDebugError::postWarning(), and SbVec3f::setValue().
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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