| 1 | /* |
| 2 | * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com. |
| 3 | * |
| 4 | * This program is free software: you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, either version 3 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "Polygon.h" |
| 19 | |
| 20 | #include <bear/debug.h> |
| 21 | #include <bear/Vector2.h> |
| 22 | using namespace bear; |
| 23 | |
| 24 | #include "graphics/graphics.h" |
| 25 | |
| 26 | |
| 27 | /// ***** Constructors/Destructors ***** |
| 28 | |
| 29 | Polygon::Polygon(const vector<Vector2>& points, const float* color) |
| 30 | : PhysicsEntity(Vector2(0,0)), m_points(points), m_color(color) |
| 31 | { |
| 32 | DASSERT(0 < points.size()); |
| 33 | |
| 34 | createBindingBox(); |
| 35 | centerPosition(); |
| 36 | } |
| 37 | Polygon::~Polygon() |
| 38 | { |
| 39 | |
| 40 | } |
| 41 | |
| 42 | /// ***** Public Class Methods ***** |
| 43 | |
| 44 | void Polygon::draw() const |
| 45 | { |
| 46 | graphics::drawPolygon(m_points, m_color); |
| 47 | } |
| 48 | |
| 49 | /// ***** Private Class Methods ***** |
| 50 | void Polygon::createBindingBox() |
| 51 | { |
| 52 | DASSERT(0 < m_points.size()); |
| 53 | |
| 54 | m_maxP = m_points.at(0); |
| 55 | m_minP = m_points.at(0); |
| 56 | |
| 57 | for(unsigned int i=1; i<m_points.size(); i++) |
| 58 | { |
| 59 | if(m_points[i].m_fX < m_minP.m_fX) m_minP.m_fX = m_points[i].m_fX; |
| 60 | else if(m_points[i].m_fX > m_maxP.m_fX) m_maxP.m_fX = m_points[i].m_fX; |
| 61 | |
| 62 | if(m_points[i].m_fY < m_minP.m_fY) m_minP.m_fY = m_points[i].m_fY; |
| 63 | else if(m_points[i].m_fY > m_maxP.m_fY) m_maxP.m_fY = m_points[i].m_fY; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | void Polygon::centerPosition() |
| 68 | { |
| 69 | // TODO |
| 70 | } |