int main(int argc,char** argv) { char* filename = "file.obj"; ConvexDecompositionDemo* convexDecompDemo = new ConvexDecompositionDemo(); convexDecompDemo->initPhysics(filename); convexDecompDemo->clientResetScene(); convexDecompDemo->setCameraDistance(26.f); return glutmain(argc, argv,640,480,"Bullet Physics Demo. http://www.continuousphysics.com/Bullet/phpBB2/",convexDecompDemo); }
int main(int argc,char** argv) { const char* filename = "file.obj"; ConvexDecompositionDemo* convexDecompDemo = new ConvexDecompositionDemo(); convexDecompDemo->initPhysics(filename); convexDecompDemo->getDynamicsWorld()->setDebugDrawer(&gDebugDrawer); convexDecompDemo->clientResetScene(); glutmain(argc, argv,640,480,"Bullet Physics Demo. http://www.continuousphysics.com/Bullet/phpBB2/",convexDecompDemo); delete convexDecompDemo; return 0; }
virtual void ConvexDecompResult(ConvexDecomposition::ConvexResult &result) { TriangleMesh* trimesh = new TriangleMesh(); SimdVector3 localScaling(6.f,6.f,6.f); //export data to .obj printf("ConvexResult\n"); if (mOutputFile) { fprintf(mOutputFile,"## Hull Piece %d with %d vertices and %d triangles.\r\n", mHullCount, result.mHullVcount, result.mHullTcount ); fprintf(mOutputFile,"usemtl Material%i\r\n",mBaseCount); fprintf(mOutputFile,"o Object%i\r\n",mBaseCount); for (unsigned int i=0; i<result.mHullVcount; i++) { const float *p = &result.mHullVertices[i*3]; fprintf(mOutputFile,"v %0.9f %0.9f %0.9f\r\n", p[0], p[1], p[2] ); } //calc centroid, to shift vertices around center of mass centroid.setValue(0,0,0); if ( 1 ) { const unsigned int *src = result.mHullIndices; for (unsigned int i=0; i<result.mHullTcount; i++) { unsigned int index0 = *src++; unsigned int index1 = *src++; unsigned int index2 = *src++; SimdVector3 vertex0(result.mHullVertices[index0*3], result.mHullVertices[index0*3+1],result.mHullVertices[index0*3+2]); SimdVector3 vertex1(result.mHullVertices[index1*3], result.mHullVertices[index1*3+1],result.mHullVertices[index1*3+2]); SimdVector3 vertex2(result.mHullVertices[index2*3], result.mHullVertices[index2*3+1],result.mHullVertices[index2*3+2]); vertex0 *= localScaling; vertex1 *= localScaling; vertex2 *= localScaling; centroid += vertex0; centroid += vertex1; centroid += vertex2; } } centroid *= 1.f/(float(result.mHullTcount) * 3); if ( 1 ) { const unsigned int *src = result.mHullIndices; for (unsigned int i=0; i<result.mHullTcount; i++) { unsigned int index0 = *src++; unsigned int index1 = *src++; unsigned int index2 = *src++; SimdVector3 vertex0(result.mHullVertices[index0*3], result.mHullVertices[index0*3+1],result.mHullVertices[index0*3+2]); SimdVector3 vertex1(result.mHullVertices[index1*3], result.mHullVertices[index1*3+1],result.mHullVertices[index1*3+2]); SimdVector3 vertex2(result.mHullVertices[index2*3], result.mHullVertices[index2*3+1],result.mHullVertices[index2*3+2]); vertex0 *= localScaling; vertex1 *= localScaling; vertex2 *= localScaling; vertex0 -= centroid; vertex1 -= centroid; vertex2 -= centroid; trimesh->AddTriangle(vertex0,vertex1,vertex2); index0+=mBaseCount; index1+=mBaseCount; index2+=mBaseCount; fprintf(mOutputFile,"f %d %d %d\r\n", index0+1, index1+1, index2+1 ); } } bool isDynamic = true; float mass = 1.f; CollisionShape* convexShape = new ConvexTriangleMeshShape(trimesh); SimdTransform trans; trans.setIdentity(); trans.setOrigin(centroid); m_convexDemo->LocalCreatePhysicsObject(isDynamic, mass, trans,convexShape); mBaseCount+=result.mHullVcount; // advance the 'base index' counter. } }