rotationPoint.y() - v[1].y() * thetaX * 0.1,
rotationPoint.z() + v[1].z() * thetaX * 0.1);
oxcor(oxcor() + ortho.x() * thetaY * 0.1);
oycor(oycor() + ortho.y() * thetaY * 0.1);
ozcor(ozcor() - ortho.z() * thetaY * 0.1);
rotationPoint = new Vect
(rotationPoint.x() + ortho.x() * thetaY * 0.1,
rotationPoint.y() + ortho.y() * thetaY * 0.1,
rotationPoint.z() - ortho.z() * thetaY * 0.1);