}
mtexcoords_u1[i]=mtexcoords_v1[i]=mtexcoords_u2[i]=mtexcoords_v2[i]=0;
break;
}
}
}
mtexcoords_u1[i]=mtexcoords_v1[i]=mtexcoords_u2[i]=mtexcoords_v2[i]=0;
break;
}
}