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.
}
}
