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/*
* TopView.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "TopView.h"
#include "../Data/Level.h"
#include "../Data/Room.h"
#include "../Data/Triangle.h"
#include <cmath>
namespace ZoomEdit {
namespace View {
void TopView::renderRoom(Data::Room *room) {
const std::list<Data::Triangle*> &triangles = room->getTriangles();
std::list<Data::Triangle*> floor;
for(std::list<Data::Triangle*>::const_iterator t = triangles.begin(); t != triangles.end(); ++t) {
Data::Vector v1 = (*t)->getVertex(1) - (*t)->getVertex(0);
Data::Vector v2 = (*t)->getVertex(2) - (*t)->getVertex(0);
Data::Vector n = (v1 % v2);
n.normalize();
if(n*Data::Vector(0, 1, 0) > std::cos(45))
floor.push_back(*t);
}
}
void TopView::render() {
if(!level)
return;
const std::list<Data::Room*> &rooms = level->getRooms();
for(std::list<Data::Room*>::const_iterator room = rooms.begin(); room != rooms.end(); ++room)
renderRoom(*room);
}
}
}
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