57 lines
1.9 KiB
C++
Executable File
57 lines
1.9 KiB
C++
Executable File
//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _SGUTIL_H_
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#define _SGUTIL_H_
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#ifndef _PLATFORM_H_
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#include "platform/platform.h"
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#endif
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#ifndef _MPOINT_H_
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#include "math/mPoint.h"
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#endif
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class RectI;
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class MatrixF;
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struct SGWinding
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{
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Point3F points[32];
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U32 numPoints;
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};
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bool sgComputeNewFrustum(const F64* oldFrustum,
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const F64 nearPlane,
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const F64 farPlane,
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const RectI& oldViewport,
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const SGWinding* windings,
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const U32 numWindings,
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const MatrixF& modelview,
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F64* newFrustum,
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RectI& newViewport,
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const bool flippedMatrix);
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/// Compute frustrum planes.
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///
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/// Frustum parameters are:
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/// - [0] = left
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/// - [1] = right
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/// - [2] = top
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/// - [3] = bottom
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/// - [4] = near
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/// - [5] = far
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void sgComputeOSFrustumPlanes(const F64 frustumParameters[6],
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const MatrixF& worldSpaceToObjectSpace,
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const Point3F& wsCamPoint,
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PlaneF& outFarPlane,
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PlaneF& outXMinPlane,
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PlaneF& outXMaxPlane,
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PlaneF& outYMinPlane,
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PlaneF& outYMaxPlane);
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void sgOrientClipPlanes(PlaneF * planes, const Point3F & camPos, const Point3F & leftUp, const Point3F & leftDown, const Point3F & rightUp, const Point3F & rightDown);
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#endif // _H_SGUTIL_
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