PxClothMeshDesc.h

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00026 // Copyright (c) 2008-2017 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_NX_CLOTHMESHDESC
00032 #define PX_PHYSICS_NX_CLOTHMESHDESC
00033 
00037 #include "common/PxPhysXCommonConfig.h"
00038 #include "geometry/PxSimpleTriangleMesh.h"
00039 
00040 #if !PX_DOXYGEN
00041 namespace physx
00042 {
00043 #endif
00044 
00051 class PxClothMeshDesc
00052 {
00053 public:
00054 
00058     PxBoundedData points;
00059 
00067     PxBoundedData invMasses;
00068 
00083     PxBoundedData triangles;
00084 
00099     PxBoundedData quads;
00100 
00104     PxMeshFlags flags;
00105 
00109     PX_INLINE PxClothMeshDesc();
00113     PX_INLINE void setToDefault();
00118     PX_INLINE bool isValid() const;
00119 };
00120 
00121 PX_INLINE PxClothMeshDesc::PxClothMeshDesc()    //constructor sets to default
00122 {
00123 }
00124 
00125 PX_INLINE void PxClothMeshDesc::setToDefault()
00126 {
00127     *this = PxClothMeshDesc();
00128 }
00129 
00130 PX_INLINE bool PxClothMeshDesc::isValid() const
00131 {
00132     if(points.count < 3)    //at least 1 trig's worth of points
00133         return false;
00134     if(points.count > 0xffff && flags & PxMeshFlag::e16_BIT_INDICES)
00135         return false;
00136     if(!points.data)
00137         return false;
00138     if(points.stride < sizeof(PxVec3))  //should be at least one point's worth of data
00139         return false;
00140 
00141     if(invMasses.data && invMasses.stride < sizeof(float))
00142         return false;
00143     if(invMasses.data && invMasses.count != points.count)
00144         return false;
00145 
00146     if (!triangles.count && !quads.count)   // no support for non-indexed mesh
00147         return false;
00148     if (triangles.count && !triangles.data)
00149         return false;
00150     if (quads.count && !quads.data)
00151         return false;
00152 
00153     PxU32 indexSize = (flags & PxMeshFlag::e16_BIT_INDICES) ? sizeof(PxU16) : sizeof(PxU32);
00154     if(triangles.count && triangles.stride < indexSize*3) 
00155         return false; 
00156     if(quads.count && quads.stride < indexSize*4)
00157         return false;
00158 
00159     return true;
00160 }
00161 
00162 #if !PX_DOXYGEN
00163 } // namespace physx
00164 #endif
00165 
00167 #endif


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