mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
//-----------------------------------------------------------------------------
|
|
// Copyright (c) 2012 GarageGames, LLC
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef _SGUTIL_H_
|
|
#define _SGUTIL_H_
|
|
|
|
#ifndef _PLATFORM_H_
|
|
#include "platform/platform.h"
|
|
#endif
|
|
#ifndef _MPOINT3_H_
|
|
#include "math/mPoint3.h"
|
|
#endif
|
|
|
|
class Frustum;
|
|
class RectI;
|
|
class MatrixF;
|
|
class PlaneF;
|
|
|
|
struct SGWinding
|
|
{
|
|
Point3F points[32];
|
|
U32 numPoints;
|
|
};
|
|
|
|
bool sgComputeNewFrustum(const Frustum &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);
|
|
|
|
/// Compute frustrum planes.
|
|
///
|
|
/// Frustum parameters are:
|
|
/// - [0] = left
|
|
/// - [1] = right
|
|
/// - [2] = top
|
|
/// - [3] = bottom
|
|
/// - [4] = near
|
|
/// - [5] = far
|
|
void sgComputeOSFrustumPlanes(const F64 frustumParameters[6],
|
|
const MatrixF& worldSpaceToObjectSpace,
|
|
const Point3F& wsCamPoint,
|
|
PlaneF& outFarPlane,
|
|
PlaneF& outXMinPlane,
|
|
PlaneF& outXMaxPlane,
|
|
PlaneF& outYMinPlane,
|
|
PlaneF& outYMaxPlane);
|
|
|
|
void sgOrientClipPlanes(PlaneF * planes, const Point3F & camPos, const Point3F & leftUp, const Point3F & leftDown, const Point3F & rightUp, const Point3F & rightDown);
|
|
|
|
#endif // _H_SGUTIL_
|