Math::frustum Class Reference
#include <frustum.h>
Detailed Description
Defines a clipping frustum made of 6 planes.(C) 2010 Radon Labs GmbH
Public Types | |
| enum | PlaneIndex |
| plane indices | |
Public Member Functions | |
| frustum () | |
| default constructor | |
| frustum (const matrix44 &invViewProj) | |
| construct from view and projection matrix | |
| void | set (const matrix44 &invViewProj) |
| setup from view and proj matrix | |
| void | set (const bbox &box, const matrix44 &boxTransform) |
| setup from transformed bounding box | |
| bool | inside (const point &p) const |
| test if point is inside frustum | |
| uint | clipmask (const point &p) const |
| get clip bitmask of point (0 if inside, (1<<PlaneIndex) if outside) | |
| ClipStatus::Type | clip (const line &l, line &clippedLine) const |
| clip line against view frustum | |
| ClipStatus::Type | clipstatus (const bbox &box) const |
| get clip status of a local bounding box | |
| ClipStatus::Type | clipstatus (const bbox &box, const matrix44 &boxTransform) const |
| get clip status of a transformed bounding box | |
| template<typename T> | |
| T | as () const |
| convert to any type | |
Member Function Documentation
| void Math::frustum::set | ( | const matrix44 & | invViewProj | ) | [inline] |
setup from view and proj matrix
Setup frustum from invViewProj matrix (transform from projection space into world space).
setup from transformed bounding box
Setup from a transformed bounding box.
| bool Math::frustum::inside | ( | const point & | p | ) | const [inline] |
test if point is inside frustum
Test if point is inside frustum.
| uint Math::frustum::clipmask | ( | const point & | p | ) | const [inline] |
get clip bitmask of point (0 if inside, (1<<PlaneIndex) if outside)
Get clipmask of point.
| ClipStatus::Type Math::frustum::clipstatus | ( | const bbox & | box, | |
| const matrix44 & | boxTransform | |||
| ) | const [inline] |
get clip status of a transformed bounding box
Returns the clip status of a transformed bounding box.