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Kukatz 3D
0.1
Török Attila szakdolgozata
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00001 /* 00002 * viewport.cpp - Kukatz 3D 00003 * Copyright (c) 2011 - TÖRÖK Attila (torokati44@gmail.com) 00004 * 00005 * This software is provided 'as-is', without any express or implied 00006 * warranty. In no event will the authors be held liable for any damages 00007 * arising from the use of this software. 00008 * 00009 * Permission is granted to anyone to use this software for any purpose, 00010 * including commercial applications, and to alter it and redistribute it 00011 * freely, subject to the following restrictions: 00012 * 00013 * 1. The origin of this software must not be misrepresented; you must not 00014 * claim that you wrote the original software. If you use this software 00015 * in a product, an acknowledgment in the product documentation would be 00016 * appreciated but is not required. 00017 * 00018 * 2. Altered source versions must be plainly marked as such, and must not be 00019 * misrepresented as being the original software. 00020 * 00021 * 3. This notice may not be removed or altered from any source 00022 * distribution. 00023 */ 00024 00025 #include "viewport.hpp" 00026 00027 #include "opengl.hpp" 00028 00029 Viewport::Viewport(const sf::Vector2i& s, float zn, float zf): 00030 offset(0, 0), size(s), z_near(zn), z_far(zf) 00031 { 00032 00033 } 00034 00035 Viewport::Viewport(int sx, int sy, float zn, float zf): 00036 offset(0, 0), size(sx, sy), z_near(zn), z_far(zf) 00037 { 00038 00039 } 00040 00041 Viewport::Viewport(const sf::Vector2i& o, const sf::Vector2i& s, float zn, float zf): 00042 offset(o), size(s), z_near(zn), z_far(zf) 00043 { 00044 00045 } 00046 00047 Viewport::Viewport(int ox, int oy, int sx, int sy, float zn, float zf): 00048 offset(ox, oy), size(sx, sy), z_near(zn), z_far(zf) 00049 { 00050 00051 } 00052 00053 void Viewport::set_view(const sf::Vector2i& o, const sf::Vector2i& s) 00054 { 00055 offset = o; 00056 size = s; 00057 } 00058 00059 void Viewport::set_view(int ox, int oy, int sx, int sy) 00060 { 00061 offset.x = ox; 00062 offset.y = oy; 00063 size.x = sx; 00064 size.y = sy; 00065 } 00066 00067 void Viewport::look_2d() 00068 { 00069 glMatrixMode(GL_PROJECTION); 00070 glLoadIdentity(); 00071 glOrtho(0, size.x, 0, size.y, 00072 z_near, z_far); 00073 00074 glMatrixMode(GL_MODELVIEW); 00075 glLoadIdentity(); 00076 00077 glViewport(offset.x, offset.y, size.x, size.y); 00078 } 00079 00080 Viewport::~Viewport() 00081 { 00082 00083 }