extern/bullet2/src/BulletSoftBody/btSoftBodyHelpers.h

   1 /*
   2 Bullet Continuous Collision Detection and Physics Library
   3 Copyright (c) 2003-2008 Erwin Coumans  http://continuousphysics.com/Bullet/
   4
   5 This software is provided 'as-is', without any express or implied warranty.
   6 In no event will the authors be held liable for any damages arising from the use of this software.
   7 Permission is granted to anyone to use this software for any purpose,
   8 including commercial applications, and to alter it and redistribute it freely,
   9 subject to the following restrictions:
  10
  11 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
  12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
  13 3. This notice may not be removed or altered from any source distribution.
  14 */
  15
  16 #ifndef SOFT_BODY_HELPERS_H
  17 #define SOFT_BODY_HELPERS_H
  18
  19 #include "btSoftBody.h"
  20
  21 //
  22 // Helpers
  23 //
  24
  25 /* fDrawFlags                                                                                                                   */
  26 struct  fDrawFlags { enum _ {
  27         Nodes           =       0x0001,
  28         Links           =       0x0002,
  29         Faces           =       0x0004,
  30         Tetras          =       0x0008,
  31         Normals         =       0x0010,
  32         Contacts        =       0x0020,
  33         Anchors         =       0x0040,
  34         Notes           =       0x0080,
  35         Clusters        =       0x0100,
  36         NodeTree        =       0x0200,
  37         FaceTree        =       0x0400,
  38         ClusterTree     =       0x0800,
  39         Joints          =       0x1000,
  40         /* presets      */
  41         Std                     =       Links+Faces+Tetras+Anchors+Notes+Joints,
  42         StdTetra        =       Std-Faces+Tetras,
  43 };};
  44
  45 struct  btSoftBodyHelpers
  46 {
  47         /* Draw body                                                                                                                    */
  48         static void                             Draw(           btSoftBody* psb,
  49                                                                                 btIDebugDraw* idraw,
  50                                                                                 int drawflags=fDrawFlags::Std);
  51         /* Draw body infos                                                                                                              */
  52         static  void                    DrawInfos(      btSoftBody* psb,
  53                                                                                 btIDebugDraw* idraw,
  54                                                                                 bool masses,
  55                                                                                 bool areas,
  56                                                                                 bool stress);
  57         /* Draw node tree                                                                                                               */
  58         static void                             DrawNodeTree(   btSoftBody* psb,
  59                                                                                         btIDebugDraw* idraw,
  60                                                                                         int mindepth=0,
  61                                                                                         int maxdepth=-1);
  62         /* Draw face tree                                                                                                               */
  63         static void                             DrawFaceTree(   btSoftBody* psb,
  64                                                                                         btIDebugDraw* idraw,
  65                                                                                         int mindepth=0,
  66                                                                                         int maxdepth=-1);
  67         /* Draw cluster tree                                                                                                    */
  68         static void                             DrawClusterTree(btSoftBody* psb,
  69                                                                                         btIDebugDraw* idraw,
  70                                                                                         int mindepth=0,
  71                                                                                         int maxdepth=-1);
  72         /* Draw rigid frame                                                                                                             */
  73         static  void                    DrawFrame(              btSoftBody* psb,
  74                                                                                         btIDebugDraw* idraw);
  75         /* Create a rope                                                                                                                */
  76         static  btSoftBody*             CreateRope( btSoftBodyWorldInfo& worldInfo,
  77                                                                                 const btVector3& from,
  78                                                                                 const btVector3& to,
  79                                                                                 int res,
  80                                                                                 int fixeds);
  81         /* Create a patch                                                                                                               */
  82         static  btSoftBody*             CreatePatch(btSoftBodyWorldInfo& worldInfo,
  83                                                                                 const btVector3& corner00,
  84                                                                                 const btVector3& corner10,
  85                                                                                 const btVector3& corner01,
  86                                                                                 const btVector3& corner11,
  87                                                                                 int resx,
  88                                                                                 int resy,
  89                                                                                 int fixeds,
  90                                                                                 bool gendiags);
  91         /* Create an ellipsoid                                                                                                  */
  92         static  btSoftBody*             CreateEllipsoid(btSoftBodyWorldInfo& worldInfo,
  93                                                                                         const btVector3& center,
  94                                                                                         const btVector3& radius,
  95                                                                                         int res);
  96         /* Create from trimesh                                                                                                  */
  97         static  btSoftBody*             CreateFromTriMesh(      btSoftBodyWorldInfo& worldInfo,
  98                                                                                                 const btScalar* vertices,
  99                                                                                                 const int* triangles,
 100                                                                                                 int ntriangles);
 101         /* Create from convex-hull                                                                                              */
 102         static  btSoftBody*             CreateFromConvexHull(   btSoftBodyWorldInfo& worldInfo,
 103                                                                                                         const btVector3* vertices,
 104                                                                                                         int nvertices);
 105 };
 106
 107 #endif //SOFT_BODY_HELPERS_H