NVIDIA(R) PhysX(R) SDK 3.4 API Reference: PxSimpleTriangleMesh.h Source File

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+00026 // Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+00027 // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+00028 // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+00029 
+00030 
+00031 #ifndef PX_PHYSICS_GEOMUTILS_NX_SIMPLETRIANGLEMESH
+00032 #define PX_PHYSICS_GEOMUTILS_NX_SIMPLETRIANGLEMESH
+00033 
+00037 #include "foundation/PxVec3.h"
+00038 #include "foundation/PxFlags.h"
+00039 #include "common/PxCoreUtilityTypes.h"
+00040 #include "common/PxPhysXCommonConfig.h"
+00041 
+00042 #if !PX_DOXYGEN
+00043 namespace physx
+00044 {
+00045 #endif
+00046 
+00050 struct PxMeshFlag
+00051 {
+00052     enum Enum
+00053     {
+00067         eFLIPNORMALS        =   (1<<0),
+00068         e16_BIT_INDICES     =   (1<<1)  
+00069     };
+00070 };
+00071 
+00077 typedef PxFlags<PxMeshFlag::Enum,PxU16> PxMeshFlags;
+00078 PX_FLAGS_OPERATORS(PxMeshFlag::Enum,PxU16)
+00079 
+00080 
+00081 
+00084 class PxSimpleTriangleMesh
+00085 {
+00086 public:
+00087 
+00091     PxBoundedData points;
+00092 
+00108     PxBoundedData triangles;
+00109 
+00113     PxMeshFlags flags;
+00114 
+00118     PX_INLINE PxSimpleTriangleMesh();   
+00122     PX_INLINE void setToDefault();
+00126     PX_INLINE bool isValid() const;
+00127 };
+00128 
+00129 
+00130 PX_INLINE PxSimpleTriangleMesh::PxSimpleTriangleMesh()
+00131 {
+00132 }
+00133 
+00134 PX_INLINE void PxSimpleTriangleMesh::setToDefault()
+00135 {
+00136     *this = PxSimpleTriangleMesh();
+00137 }
+00138 
+00139 PX_INLINE bool PxSimpleTriangleMesh::isValid() const
+00140 {
+00141     // Check geometry
+00142     if(points.count > 0xffff && flags & PxMeshFlag::e16_BIT_INDICES)
+00143         return false;
+00144     if(!points.data)
+00145         return false;
+00146     if(points.stride < sizeof(PxVec3))  //should be at least one point's worth of data
+00147         return false;
+00148 
+00149     // Check topology
+00150     // The triangles pointer is not mandatory
+00151     if(triangles.data)
+00152     {
+00153         // Indexed mesh
+00154         PxU32 limit = (flags & PxMeshFlag::e16_BIT_INDICES) ? sizeof(PxU16)*3 : sizeof(PxU32)*3;
+00155         if(triangles.stride < limit) 
+00156             return false; 
+00157     }
+00158     return true;
+00159 }
+00160 
+00161 #if !PX_DOXYGEN
+00162 } // namespace physx
+00163 #endif
+00164 
+00166 #endif
+