示例#1
0
int main (int argc, char **argv)
{
  dMass m;
  dMatrix3 R;

  // setup pointers to drawstuff callback functions
  dsFunctions fn;
  fn.version = DS_VERSION;
  fn.start = &start;
  fn.step = &simLoop;
  fn.command = &command;
  fn.stop = 0;
  fn.path_to_textures = "../../drawstuff/textures";
  if(argc==2)
    fn.path_to_textures = argv[1];

  // create world
  world = dWorldCreate();
  space = dHashSpaceCreate (0);

  contactgroup = dJointGroupCreate (0);
  dWorldSetGravity (world,0,0,-9.8);
  dWorldSetQuickStepNumIterations (world, 64);

  // Create a static world using a triangle mesh that we can collide with.
  int numv = sizeof(world_vertices)/(3*sizeof(float));
  int numi = sizeof(world_indices)/ sizeof(int);
  printf("numv=%d, numi=%d\n", numv, numi);
  dTriMeshDataID Data = dGeomTriMeshDataCreate();

//  fprintf(stderr,"Building Single Precision Mesh\n");

  dGeomTriMeshDataBuildSingle
  (
    Data, 
    world_vertices, 
    3 * sizeof(float), 
    numv, 
    world_indices, 
    numi, 
    3 * sizeof(int)
  );

  world_mesh = dCreateTriMesh(space, Data, 0, 0, 0);
  dGeomTriMeshEnableTC(world_mesh, dSphereClass, false);
  dGeomTriMeshEnableTC(world_mesh, dBoxClass, false);
  dGeomSetPosition(world_mesh, 0, 0, 0.5);
  dRSetIdentity(R);
  //dIASSERT(dVALIDMAT3(R));

  dGeomSetRotation (world_mesh, R);

  float sx=0.0, sy=3.40, sz=6.80;
  sphbody = dBodyCreate (world);
  dMassSetSphere (&m,1,RADIUS);
  dBodySetMass (sphbody,&m);
  sphgeom = dCreateSphere(0, RADIUS);
  dGeomSetBody (sphgeom,sphbody);
  reset_ball();
  dSpaceAdd (space, sphgeom);

  // run simulation
  dsSimulationLoop (argc,argv,352,288,&fn);

  // Causes segm violation? Why?
  // (because dWorldDestroy() destroys body connected to geom; must call first!)
  dGeomDestroy(sphgeom);
  dGeomDestroy (world_mesh);

  dJointGroupEmpty (contactgroup);
  dJointGroupDestroy (contactgroup);
  dSpaceDestroy (space);
  dWorldDestroy (world);

  return 0;
}
示例#2
0
void PhysicsTriMeshGeom::enableTC( Int32 geomClass, bool enable )
{
    PhysicsTriMeshGeomPtr tmpPtr(*this);
    dGeomTriMeshEnableTC(tmpPtr->id, geomClass, enable ? 1:0);
}