new.cpp

// this is the old code
const float *v = (const float *)&r[j * total_elem_size + offsets[i]];
w[j] = Vector3(v[0], v[1], v[2]);

// this is the replacement (has correct alignment)
float x = (float)r[j*total_elem_size*offsets[i]];
float y = (float)r[j*total_elem_size*offsets[i]+1];
float z = (float)r[j*total_elem_size*offsets[i]+2];
w[j] = Vector3(x,y,z);