Page MenuHome
Differential D8762 Diff 28333 extern/bullet2/src/BulletSoftBody/btSoftBodyHelpers.h

Changeset View

Standalone View

View Options

extern/bullet2/src/BulletSoftBody/btSoftBodyHelpers.h

Show All 11 Lines
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 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. 3. This notice may not be removed or altered from any source distribution.
*/ */
#ifndef BT_SOFT_BODY_HELPERS_H #ifndef BT_SOFT_BODY_HELPERS_H
#define BT_SOFT_BODY_HELPERS_H #define BT_SOFT_BODY_HELPERS_H
#include "btSoftBody.h" #include "btSoftBody.h"
#include <fstream>
#include <string>
// //
// Helpers // Helpers
// //
/* fDrawFlags */ /* fDrawFlags */
struct fDrawFlags { enum _ { struct fDrawFlags
{
enum _
{
Nodes = 0x0001, Nodes = 0x0001,
Links = 0x0002, Links = 0x0002,
Faces = 0x0004, Faces = 0x0004,
Tetras = 0x0008, Tetras = 0x0008,
Normals = 0x0010, Normals = 0x0010,
Contacts = 0x0020, Contacts = 0x0020,
Anchors = 0x0040, Anchors = 0x0040,
Notes = 0x0080, Notes = 0x0080,
Clusters = 0x0100, Clusters = 0x0100,
NodeTree = 0x0200, NodeTree = 0x0200,
FaceTree = 0x0400, FaceTree = 0x0400,
ClusterTree = 0x0800, ClusterTree = 0x0800,
Joints = 0x1000, Joints = 0x1000,
/* presets */ /* presets */
Std = Links+Faces+Tetras+Anchors+Notes+Joints, Std = Links + Faces + Tetras + Anchors + Notes + Joints,
StdTetra = Std-Faces+Tetras StdTetra = Std - Faces + Tetras
};}; };
};
struct btSoftBodyHelpers struct btSoftBodyHelpers
{ {
/* Draw body */ /* Draw body */
static void Draw( btSoftBody* psb, static void Draw(btSoftBody* psb,
btIDebugDraw* idraw, btIDebugDraw* idraw,
int drawflags=fDrawFlags::Std); int drawflags = fDrawFlags::Std);
/* Draw body infos */ /* Draw body infos */
static void DrawInfos( btSoftBody* psb, static void DrawInfos(btSoftBody* psb,
btIDebugDraw* idraw, btIDebugDraw* idraw,
bool masses, bool masses,
bool areas, bool areas,
bool stress); bool stress);
/* Draw node tree */ /* Draw node tree */
static void DrawNodeTree( btSoftBody* psb, static void DrawNodeTree(btSoftBody* psb,
btIDebugDraw* idraw, btIDebugDraw* idraw,
int mindepth=0, int mindepth = 0,
int maxdepth=-1); int maxdepth = -1);
/* Draw face tree */ /* Draw face tree */
static void DrawFaceTree( btSoftBody* psb, static void DrawFaceTree(btSoftBody* psb,
btIDebugDraw* idraw, btIDebugDraw* idraw,
int mindepth=0, int mindepth = 0,
int maxdepth=-1); int maxdepth = -1);
/* Draw cluster tree */ /* Draw cluster tree */
static void DrawClusterTree(btSoftBody* psb, static void DrawClusterTree(btSoftBody* psb,
btIDebugDraw* idraw, btIDebugDraw* idraw,
int mindepth=0, int mindepth = 0,
int maxdepth=-1); int maxdepth = -1);
/* Draw rigid frame */ /* Draw rigid frame */
static void DrawFrame( btSoftBody* psb, static void DrawFrame(btSoftBody* psb,
btIDebugDraw* idraw); btIDebugDraw* idraw);
/* Create a rope */ /* Create a rope */
static btSoftBody* CreateRope( btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreateRope(btSoftBodyWorldInfo& worldInfo,
const btVector3& from, const btVector3& from,
const btVector3& to, const btVector3& to,
int res, int res,
int fixeds); int fixeds);
/* Create a patch */ /* Create a patch */
static btSoftBody* CreatePatch(btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreatePatch(btSoftBodyWorldInfo& worldInfo,
const btVector3& corner00, const btVector3& corner00,
const btVector3& corner10, const btVector3& corner10,
const btVector3& corner01, const btVector3& corner01,
const btVector3& corner11, const btVector3& corner11,
int resx, int resx,
int resy, int resy,
int fixeds, int fixeds,
bool gendiags); bool gendiags,
btScalar perturbation = 0.);
/* Create a patch with UV Texture Coordinates */ /* Create a patch with UV Texture Coordinates */
static btSoftBody* CreatePatchUV(btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreatePatchUV(btSoftBodyWorldInfo& worldInfo,
const btVector3& corner00, const btVector3& corner00,
const btVector3& corner10, const btVector3& corner10,
const btVector3& corner01, const btVector3& corner01,
const btVector3& corner11, const btVector3& corner11,
int resx, int resx,
int resy, int resy,
int fixeds, int fixeds,
bool gendiags, bool gendiags,
float* tex_coords=0); float* tex_coords = 0);
static float CalculateUV(int resx,int resy,int ix,int iy,int id); static float CalculateUV(int resx, int resy, int ix, int iy, int id);
/* Create an ellipsoid */ /* Create an ellipsoid */
static btSoftBody* CreateEllipsoid(btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreateEllipsoid(btSoftBodyWorldInfo& worldInfo,
const btVector3& center, const btVector3& center,
const btVector3& radius, const btVector3& radius,
int res); int res);
/* Create from trimesh */ /* Create from trimesh */
static btSoftBody* CreateFromTriMesh( btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreateFromTriMesh(btSoftBodyWorldInfo& worldInfo,
const btScalar* vertices, const btScalar* vertices,
const int* triangles, const int* triangles,
int ntriangles, int ntriangles,
bool randomizeConstraints = true); bool randomizeConstraints = true);
/* Create from convex-hull */ /* Create from convex-hull */
static btSoftBody* CreateFromConvexHull( btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreateFromConvexHull(btSoftBodyWorldInfo& worldInfo,
const btVector3* vertices, const btVector3* vertices,
int nvertices, int nvertices,
bool randomizeConstraints = true); bool randomizeConstraints = true);
/* Export TetGen compatible .smesh file */ /* Export TetGen compatible .smesh file */
// static void ExportAsSMeshFile( btSoftBody* psb, // static void ExportAsSMeshFile( btSoftBody* psb,
// const char* filename); // const char* filename);
/* Create from TetGen .ele, .face, .node files */ /* Create from TetGen .ele, .face, .node files */
// static btSoftBody* CreateFromTetGenFile( btSoftBodyWorldInfo& worldInfo, // static btSoftBody* CreateFromTetGenFile( btSoftBodyWorldInfo& worldInfo,
// const char* ele, // const char* ele,
// const char* face, // const char* face,
// const char* node, // const char* node,
// bool bfacelinks, // bool bfacelinks,
// bool btetralinks, // bool btetralinks,
// bool bfacesfromtetras); // bool bfacesfromtetras);
/* Create from TetGen .ele, .face, .node data */ /* Create from TetGen .ele, .face, .node data */
static btSoftBody* CreateFromTetGenData( btSoftBodyWorldInfo& worldInfo, static btSoftBody* CreateFromTetGenData(btSoftBodyWorldInfo& worldInfo,
const char* ele, const char* ele,
const char* face, const char* face,
const char* node, const char* node,
bool bfacelinks, bool bfacelinks,
bool btetralinks, bool btetralinks,
bool bfacesfromtetras); bool bfacesfromtetras);
static btSoftBody* CreateFromVtkFile(btSoftBodyWorldInfo& worldInfo, const char* vtk_file);
static void writeObj(const char* file, const btSoftBody* psb);
static void getBarycentricWeights(const btVector3& a, const btVector3& b, const btVector3& c, const btVector3& d, const btVector3& p, btVector4& bary);
static void getBarycentricWeights(const btVector3& a, const btVector3& b, const btVector3& c, const btVector3& p, btVector4& bary);
static void interpolateBarycentricWeights(btSoftBody* psb);
static void extrapolateBarycentricWeights(btSoftBody* psb);
static void generateBoundaryFaces(btSoftBody* psb);
static void duplicateFaces(const char* filename, const btSoftBody* psb);
/// Sort the list of links to move link calculations that are dependent upon earlier /// 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 /// ones as far as possible away from the calculation of those values
/// This tends to make adjacent loop iterations not dependent upon one another, /// 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 /// so out-of-order processors can execute instructions from multiple iterations at once
static void ReoptimizeLinkOrder(btSoftBody *psb ); static void ReoptimizeLinkOrder(btSoftBody* psb);
}; };
#endif //BT_SOFT_BODY_HELPERS_H #endif //BT_SOFT_BODY_HELPERS_H