retabbed
This commit is contained in:
Josh Holtrop
parent
bead7f9690
commit
54e3970362
264
wfobj-view.cc
264
wfobj-view.cc
@ -15,173 +15,173 @@ using namespace std;
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class Viewer
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{
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public:
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Viewer(const char * filename);
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void run();
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Viewer(const char * filename);
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void run();
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private:
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void initgl();
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void display();
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void setProjection();
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void initgl();
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void display();
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void setProjection();
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WFObj m_obj;
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GLuint m_list;
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float m_rotationMatrix[16];
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int m_startx, m_starty;
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bool m_dragging;
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float m_dist;
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WFObj m_obj;
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GLuint m_list;
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float m_rotationMatrix[16];
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int m_startx, m_starty;
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bool m_dragging;
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float m_dist;
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};
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/* The program's main entry point */
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int main(int argc, char * argv[])
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int main(int argc, char * argv[])
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{
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if (argc < 2)
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{
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cerr << "Usage: " << argv[0] << " <filename>" << endl;
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return -1;
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}
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if (argc < 2)
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{
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cerr << "Usage: " << argv[0] << " <filename>" << endl;
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return -1;
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}
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if (SDL_Init(SDL_INIT_VIDEO))
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{
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printf("Failed to initialize SDL!\n");
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return -2;
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}
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if (SDL_Init(SDL_INIT_VIDEO))
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{
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printf("Failed to initialize SDL!\n");
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return -2;
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}
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atexit(SDL_Quit);
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atexit(SDL_Quit);
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SDL_Surface * screen;
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, 32, SDL_OPENGL)))
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{
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printf("Failed to set video mode!\n");
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SDL_Quit();
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return -3;
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}
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SDL_WM_SetCaption(TITLE, TITLE);
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SDL_Surface * screen;
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, 32, SDL_OPENGL)))
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{
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printf("Failed to set video mode!\n");
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SDL_Quit();
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return -3;
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}
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SDL_WM_SetCaption(TITLE, TITLE);
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Viewer v(argv[1]);
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v.run();
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Viewer v(argv[1]);
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v.run();
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return 0;
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return 0;
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}
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Viewer::Viewer(const char * filename)
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{
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m_dist = 5.0;
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m_dragging = false;
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if (!m_obj.load(filename))
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m_dist = 5.0;
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m_dragging = false;
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if (!m_obj.load(filename))
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{
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cerr << "Error loading " << filename << endl;
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exit(1);
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}
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/* Print out the object's size */
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const float * aabb = m_obj.getAABB();
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cout << "Object width: " << (aabb[3]-aabb[0]) << endl;
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cout << "Object depth: " << (aabb[4]-aabb[1]) << endl;
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cout << "Object height: " << (aabb[5]-aabb[2]) << endl;
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/* Print out the object's size */
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const float * aabb = m_obj.getAABB();
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cout << "Object width: " << (aabb[3]-aabb[0]) << endl;
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cout << "Object depth: " << (aabb[4]-aabb[1]) << endl;
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cout << "Object height: " << (aabb[5]-aabb[2]) << endl;
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}
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void Viewer::initgl()
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{
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glEnable(GL_DEPTH_TEST);
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glShadeModel(GL_SMOOTH);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_CULL_FACE);
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glViewport(0, 0, WIDTH, HEIGHT);
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setProjection();
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glLoadIdentity();
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glGetFloatv(GL_MODELVIEW_MATRIX, m_rotationMatrix);
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// float pos[] = {0.0, -1.0, 0.0, 0.0};
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// glLightfv(GL_LIGHT0, GL_POSITION, pos);
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GLfloat lightAmbient[] = {0.2, 0.2, 0.2, 1};
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glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
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GLfloat ambient[] = {0.0, 0.0, 0.0, 1.0};
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glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glEnable(GL_DEPTH_TEST);
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glShadeModel(GL_SMOOTH);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_CULL_FACE);
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glViewport(0, 0, WIDTH, HEIGHT);
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setProjection();
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glLoadIdentity();
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glGetFloatv(GL_MODELVIEW_MATRIX, m_rotationMatrix);
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// float pos[] = {0.0, -1.0, 0.0, 0.0};
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// glLightfv(GL_LIGHT0, GL_POSITION, pos);
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GLfloat lightAmbient[] = {0.2, 0.2, 0.2, 1};
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glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
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GLfloat ambient[] = {0.0, 0.0, 0.0, 1.0};
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glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
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}
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void Viewer::setProjection()
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{
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0, (GLfloat)WIDTH/(GLfloat)WIDTH, 0.01, 10000.0);
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// gluLookAt(0, m_dist, 0, 0, 0, 0, 0, 0, 1);
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glMatrixMode(GL_MODELVIEW);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0, (GLfloat)WIDTH/(GLfloat)WIDTH, 0.01, 10000.0);
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// gluLookAt(0, m_dist, 0, 0, 0, 0, 0, 0, 1);
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glMatrixMode(GL_MODELVIEW);
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}
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void Viewer::display()
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{
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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glLoadIdentity();
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gluLookAt(0, -m_dist, 0, 0, 0, 0, 0, 0, 1);
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glMultMatrixf(m_rotationMatrix);
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m_obj.draw();
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SDL_GL_SwapBuffers();
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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glLoadIdentity();
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gluLookAt(0, -m_dist, 0, 0, 0, 0, 0, 0, 1);
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glMultMatrixf(m_rotationMatrix);
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m_obj.draw();
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SDL_GL_SwapBuffers();
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}
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void Viewer::run()
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{
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initgl();
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display();
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SDL_Event event;
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while (SDL_WaitEvent(&event))
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{
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if (event.type == SDL_QUIT)
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break;
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else if (event.type == SDL_KEYDOWN)
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{
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if (event.key.keysym.sym == SDLK_ESCAPE)
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break;
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if (event.key.keysym.sym == SDLK_q)
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break;
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}
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else if (event.type == SDL_MOUSEBUTTONDOWN)
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{
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if (event.button.button == SDL_BUTTON_LEFT)
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{
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if (event.button.state == SDL_PRESSED)
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{
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m_dragging = true;
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m_startx = event.button.x;
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m_starty = event.button.y;
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}
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}
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else if (event.button.button == 4)
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{
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m_dist *= 0.85;
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if (m_dist < 1.0f)
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m_dist = 1.0f;
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setProjection();
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display();
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}
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else if (event.button.button == 5)
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{
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m_dist *= 1.2;
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setProjection();
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display();
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}
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}
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else if (event.type == SDL_MOUSEBUTTONUP)
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{
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if (event.button.button == SDL_BUTTON_LEFT)
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{
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m_dragging = false;
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}
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}
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else if (event.type == SDL_MOUSEMOTION)
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{
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if (m_dragging)
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{
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glLoadIdentity();
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glRotatef(event.motion.y - m_starty, 1, 0, 0);
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glRotatef(event.motion.x - m_startx, 0, 0, 1);
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glMultMatrixf(m_rotationMatrix);
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glGetFloatv(GL_MODELVIEW_MATRIX, m_rotationMatrix);
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m_startx = event.motion.x;
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m_starty = event.motion.y;
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display();
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}
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}
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}
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initgl();
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display();
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SDL_Event event;
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while (SDL_WaitEvent(&event))
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{
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if (event.type == SDL_QUIT)
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break;
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else if (event.type == SDL_KEYDOWN)
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{
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if (event.key.keysym.sym == SDLK_ESCAPE)
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break;
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if (event.key.keysym.sym == SDLK_q)
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break;
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}
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else if (event.type == SDL_MOUSEBUTTONDOWN)
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{
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if (event.button.button == SDL_BUTTON_LEFT)
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{
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if (event.button.state == SDL_PRESSED)
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{
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m_dragging = true;
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m_startx = event.button.x;
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m_starty = event.button.y;
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}
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}
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else if (event.button.button == 4)
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{
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m_dist *= 0.85;
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if (m_dist < 1.0f)
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m_dist = 1.0f;
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setProjection();
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display();
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}
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else if (event.button.button == 5)
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{
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m_dist *= 1.2;
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setProjection();
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display();
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}
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}
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else if (event.type == SDL_MOUSEBUTTONUP)
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{
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if (event.button.button == SDL_BUTTON_LEFT)
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{
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m_dragging = false;
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}
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}
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else if (event.type == SDL_MOUSEMOTION)
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{
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if (m_dragging)
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{
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glLoadIdentity();
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glRotatef(event.motion.y - m_starty, 1, 0, 0);
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glRotatef(event.motion.x - m_startx, 0, 0, 1);
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glMultMatrixf(m_rotationMatrix);
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glGetFloatv(GL_MODELVIEW_MATRIX, m_rotationMatrix);
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m_startx = event.motion.x;
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m_starty = event.motion.y;
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display();
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}
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}
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}
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}
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