include/geometry/PxHeightFieldGeometry.h
File members: include/geometry/PxHeightFieldGeometry.h
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_HEIGHT_FIELD_GEOMETRY_H
#define PX_HEIGHT_FIELD_GEOMETRY_H
#include "geometry/PxTriangleMeshGeometry.h"
#include "common/PxCoreUtilityTypes.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
#define PX_MIN_HEIGHTFIELD_XZ_SCALE 1e-8f
#define PX_MIN_HEIGHTFIELD_Y_SCALE (0.0001f / PxReal(0xFFFF))
class PxHeightField;
class PxHeightFieldGeometry : public PxGeometry
{
public:
PX_INLINE PxHeightFieldGeometry(PxHeightField* hf = NULL,
PxMeshGeometryFlags flags = PxMeshGeometryFlag::Enum(0),
PxReal heightScale_ = 1.0f,
PxReal rowScale_ = 1.0f,
PxReal columnScale_ = 1.0f) :
PxGeometry (PxGeometryType::eHEIGHTFIELD),
heightField (hf),
heightScale (heightScale_),
rowScale (rowScale_),
columnScale (columnScale_),
heightFieldFlags (flags)
{
}
PX_INLINE PxHeightFieldGeometry(const PxHeightFieldGeometry& that) :
PxGeometry (that),
heightField (that.heightField),
heightScale (that.heightScale),
rowScale (that.rowScale),
columnScale (that.columnScale),
heightFieldFlags (that.heightFieldFlags)
{
}
PX_INLINE void operator=(const PxHeightFieldGeometry& that)
{
mType = that.mType;
heightField = that.heightField;
heightScale = that.heightScale;
rowScale = that.rowScale;
columnScale = that.columnScale;
heightFieldFlags = that.heightFieldFlags;
}
PX_INLINE bool isValid() const;
public:
PxHeightField* heightField;
PxReal heightScale;
PxReal rowScale;
PxReal columnScale;
PxMeshGeometryFlags heightFieldFlags;
PxPadding<3> paddingFromFlags;
};
PX_INLINE bool PxHeightFieldGeometry::isValid() const
{
if(mType != PxGeometryType::eHEIGHTFIELD)
return false;
if(!PxIsFinite(heightScale) || !PxIsFinite(rowScale) || !PxIsFinite(columnScale))
return false;
if(rowScale < PX_MIN_HEIGHTFIELD_XZ_SCALE || columnScale < PX_MIN_HEIGHTFIELD_XZ_SCALE || heightScale < PX_MIN_HEIGHTFIELD_Y_SCALE)
return false;
if(!heightField)
return false;
return true;
}
#if !PX_DOXYGEN
} // namespace physx
#endif
#endif