void PointCloudGenerator::PostInitialize(ISystem *ySys, IPluginObjectInstance *pInstance) {
int nVertex = numVertex->v->int_val;
float *pVertex = (float *)vertexData->v->userdata;
// Being re-initialized?
if ((pVertex != NULL) && (nVertex != vertexCount->v->int_val)) {
free (pVertex);
pVertex = NULL;
}
if (pVertex == NULL) {
pVertex = (float *)malloc(sizeof(float) * nVertex * 3);
}
std::default_random_engine generator;
std::uniform_real_distribution<float> x_distribution(-range->v->vector[0],range->v->vector[0]);
std::uniform_real_distribution<float> y_distribution(-range->v->vector[1],range->v->vector[1]);
std::uniform_real_distribution<float> z_distribution(-range->v->vector[2],range->v->vector[2]);
for(int i=0;i<nVertex;i++) {
vIni(&pVertex[i*3], x_distribution(generator), y_distribution(generator), z_distribution(generator));
}
vertexCount->v->int_val = nVertex;
vertexData->v->userdata = pVertex;
}
Eigen::Vector3d get_random_location(std::default_random_engine& generator, const double min_x, const double min_y, const double min_z, const double max_x, const double max_y, const double max_z)
{
std::uniform_real_distribution<double> x_distribution(min_x, max_x);
std::uniform_real_distribution<double> y_distribution(min_y, max_y);
std::uniform_real_distribution<double> z_distribution(min_z, max_z);
double rand_x = x_distribution(generator);
double rand_y = y_distribution(generator);
double rand_z = z_distribution(generator);
return Eigen::Vector3d(rand_x, rand_y, rand_z);
}
