public void mouseDragged(MouseEvent evt) {
mx = evt.getX();
my = evt.getY();
// Check if this is a rectangle drawing drag
if ((evt.getModifiers() & InputEvent.BUTTON2_MASK) != 0) {
// rectx2 = evt.getX();
// recty2 = evt.getY();
} else {
rotmat.setIdentity();
rotmat.rotate((float) (my - omy), 'x');
rotmat.rotate((float) (mx - omx), 'y');
for (int i = 0; i < npoint; i++) {
SequencePoint sp = (SequencePoint) points.elementAt(i);
sp.coord[0] -= centre[0];
sp.coord[1] -= centre[1];
sp.coord[2] -= centre[2];
// Now apply the rotation matrix
sp.coord = rotmat.vectorMultiply(sp.coord);
// Now translate back again
sp.coord[0] += centre[0];
sp.coord[1] += centre[1];
sp.coord[2] += centre[2];
}
for (int i = 0; i < 3; i++) {
axes[i] = rotmat.vectorMultiply(axes[i]);
}
omx = mx;
omy = my;
redrawneeded = true;
paint(this.getGraphics());
}
return;
}
