torque Torque Game Engine Documentation
TGE Version 1.5.2
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engine/sceneGraph/sgUtil.h File Reference

#include "platform/platform.h"
#include "math/mPoint.h"

Data Structures

struct  SGWinding

Functions

bool sgComputeNewFrustum (const F64 *oldFrustum, const F64 nearPlane, const F64 farPlane, const RectI &oldViewport, const SGWinding *windings, const U32 numWindings, const MatrixF &modelview, F64 *newFrustum, RectI &newViewport, const bool flippedMatrix)
void sgComputeOSFrustumPlanes (const F64 frustumParameters[6], const MatrixF &worldSpaceToObjectSpace, const Point3F &wsCamPoint, PlaneF &outFarPlane, PlaneF &outXMinPlane, PlaneF &outXMaxPlane, PlaneF &outYMinPlane, PlaneF &outYMaxPlane)
 Compute frustrum planes.
void sgOrientClipPlanes (PlaneF *planes, const Point3F &camPos, const Point3F &leftUp, const Point3F &leftDown, const Point3F &rightUp, const Point3F &rightDown)

Function Documentation

bool sgComputeNewFrustum ( const F64 *  oldFrustum,
const F64  nearPlane,
const F64  farPlane,
const RectI &  oldViewport,
const SGWinding *  windings,
const U32  numWindings,
const MatrixF &  modelview,
F64 *  newFrustum,
RectI &  newViewport,
const bool  flippedMatrix 
)

void sgComputeOSFrustumPlanes ( const F64  frustumParameters[6],
const MatrixF &  worldSpaceToObjectSpace,
const Point3F &  wsCamPoint,
PlaneF &  outFarPlane,
PlaneF &  outXMinPlane,
PlaneF &  outXMaxPlane,
PlaneF &  outYMinPlane,
PlaneF &  outYMaxPlane 
)

Compute frustrum planes.

Frustum parameters are:

  • [0] = left
  • [1] = right
  • [2] = top
  • [3] = bottom
  • [4] = near
  • [5] = far

void sgOrientClipPlanes ( PlaneF *  planes,
const Point3F &  camPos,
const Point3F &  leftUp,
const Point3F &  leftDown,
const Point3F &  rightUp,
const Point3F &  rightDown 
)



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