void Window::notify() {
Vector v_right = v_up->cross_product(*v_vpn);
/* Parallel orthogonal projection matrix */
double _ft[][4] = {
{v_right.x(), v_right.y(), v_right.z(), .0},
{v_up->x(), v_up->y(), v_up->z(), .0},
{v_vpn->x(), v_vpn->y(), v_vpn->z(), .0},
{v_translation->x(), v_translation->y(), v_translation->z(), 1.0}
};
Matrix* translate_and_rotate = new Matrix(_ft);
/* ---------- */
/* Perspective projection matrix */
double d = 10.0;
double _p[][4] = {
{1.0, .0, .0, .0 },
{ .0, 1.0, .0, .0 },
{ .0, .0, 1.0, -1.0 / d},
{ .0, .0, .0, .0 }
};
Matrix* perspective = new Matrix(_p);
Matrix* all_perspective = Transformations::multiply(translate_and_rotate, perspective);
/* ---------- */
// This fake display file MUST NOT have a window attached!
DisplayFile* fakeDisplay = new DisplayFile();
for(GeometricObjectIterator it = displayFile->begin(); it < displayFile->end(); ++it) {
GeometricObject* fakeObject = (*it)->clone();
if(projection == "orthogonal") {
fakeObject->transform(translate_and_rotate);
}
if(projection == "perspective") {
fakeObject->transform(all_perspective);
fakeObject->planeW0();
}
fakeDisplay->add_object(fakeObject);
}
// Send the fake objects to the ViewPort
for(std::vector<ViewPort*>::iterator it = view_ports.begin(); it < view_ports.end(); ++it) {
(*it)->notify(fakeDisplay->begin(), fakeDisplay->end());
}
delete translate_and_rotate;
delete all_perspective;
delete perspective;
}
