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Diffstat (limited to 'thirdparty/bullet/BulletSoftBody/btSoftBodyHelpers.h')
| -rw-r--r-- | thirdparty/bullet/BulletSoftBody/btSoftBodyHelpers.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/thirdparty/bullet/BulletSoftBody/btSoftBodyHelpers.h b/thirdparty/bullet/BulletSoftBody/btSoftBodyHelpers.h new file mode 100644 index 0000000000..7271530109 --- /dev/null +++ b/thirdparty/bullet/BulletSoftBody/btSoftBodyHelpers.h @@ -0,0 +1,148 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BT_SOFT_BODY_HELPERS_H +#define BT_SOFT_BODY_HELPERS_H + +#include "btSoftBody.h" + +// +// Helpers +// + +/* fDrawFlags */ +struct fDrawFlags { enum _ { + Nodes = 0x0001, + Links = 0x0002, + Faces = 0x0004, + Tetras = 0x0008, + Normals = 0x0010, + Contacts = 0x0020, + Anchors = 0x0040, + Notes = 0x0080, + Clusters = 0x0100, + NodeTree = 0x0200, + FaceTree = 0x0400, + ClusterTree = 0x0800, + Joints = 0x1000, + /* presets */ + Std = Links+Faces+Tetras+Anchors+Notes+Joints, + StdTetra = Std-Faces+Tetras +};}; + +struct btSoftBodyHelpers +{ + /* Draw body */ + static void Draw( btSoftBody* psb, + btIDebugDraw* idraw, + int drawflags=fDrawFlags::Std); + /* Draw body infos */ + static void DrawInfos( btSoftBody* psb, + btIDebugDraw* idraw, + bool masses, + bool areas, + bool stress); + /* Draw node tree */ + static void DrawNodeTree( btSoftBody* psb, + btIDebugDraw* idraw, + int mindepth=0, + int maxdepth=-1); + /* Draw face tree */ + static void DrawFaceTree( btSoftBody* psb, + btIDebugDraw* idraw, + int mindepth=0, + int maxdepth=-1); + /* Draw cluster tree */ + static void DrawClusterTree(btSoftBody* psb, + btIDebugDraw* idraw, + int mindepth=0, + int maxdepth=-1); + /* Draw rigid frame */ + static void DrawFrame( btSoftBody* psb, + btIDebugDraw* idraw); + /* Create a rope */ + static btSoftBody* CreateRope( btSoftBodyWorldInfo& worldInfo, + const btVector3& from, + const btVector3& to, + int res, + int fixeds); + /* Create a patch */ + static btSoftBody* CreatePatch(btSoftBodyWorldInfo& worldInfo, + const btVector3& corner00, + const btVector3& corner10, + const btVector3& corner01, + const btVector3& corner11, + int resx, + int resy, + int fixeds, + bool gendiags); + /* Create a patch with UV Texture Coordinates */ + static btSoftBody* CreatePatchUV(btSoftBodyWorldInfo& worldInfo, + const btVector3& corner00, + const btVector3& corner10, + const btVector3& corner01, + const btVector3& corner11, + int resx, + int resy, + int fixeds, + bool gendiags, + float* tex_coords=0); + static float CalculateUV(int resx,int resy,int ix,int iy,int id); + /* Create an ellipsoid */ + static btSoftBody* CreateEllipsoid(btSoftBodyWorldInfo& worldInfo, + const btVector3& center, + const btVector3& radius, + int res); + /* Create from trimesh */ + static btSoftBody* CreateFromTriMesh( btSoftBodyWorldInfo& worldInfo, + const btScalar* vertices, + const int* triangles, + int ntriangles, + bool randomizeConstraints = true); + /* Create from convex-hull */ + static btSoftBody* CreateFromConvexHull( btSoftBodyWorldInfo& worldInfo, + const btVector3* vertices, + int nvertices, + bool randomizeConstraints = true); + + + /* Export TetGen compatible .smesh file */ +// static void ExportAsSMeshFile( btSoftBody* psb, +// const char* filename); + /* Create from TetGen .ele, .face, .node files */ +// static btSoftBody* CreateFromTetGenFile( btSoftBodyWorldInfo& worldInfo, +// const char* ele, +// const char* face, +// const char* node, +// bool bfacelinks, +// bool btetralinks, +// bool bfacesfromtetras); + /* Create from TetGen .ele, .face, .node data */ + static btSoftBody* CreateFromTetGenData( btSoftBodyWorldInfo& worldInfo, + const char* ele, + const char* face, + const char* node, + bool bfacelinks, + bool btetralinks, + bool bfacesfromtetras); + + /// Sort the list of links to move link calculations that are dependent upon earlier + /// ones as far as possible away from the calculation of those values + /// This tends to make adjacent loop iterations not dependent upon one another, + /// so out-of-order processors can execute instructions from multiple iterations at once + static void ReoptimizeLinkOrder(btSoftBody *psb ); +}; + +#endif //BT_SOFT_BODY_HELPERS_H |