X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=3e0f34f5c2a708ad83b160c018af88a76d414f48;hb=023daaaaab63ad4475c5839c7218407903815958;hp=513ba51fa52e6b787f63e8b93db22d01c5f91dcf;hpb=c8fad8604c2a85c7400234f8df73d70e99283413;p=atyndall%2Fcits2231.git diff --git a/scene.c b/scene.c index 513ba51..3e0f34f 100644 --- a/scene.c +++ b/scene.c @@ -464,7 +464,20 @@ void makeMenu() { * @param h New height */ void windowReshape(int w, int h) { - + GLdouble near = -10.0; + GLdouble far = 10.0; + + glViewport(0, 0, (GLsizei) w, (GLsizei) h); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + if (w <= h) + glOrtho(near, far, near*(GLfloat)h/(GLfloat)w, + far*(GLfloat)h/(GLfloat)w, near, far); + else + glOrtho(near*(GLfloat)w/(GLfloat)h, + far*(GLfloat)w/(GLfloat)h, near, far, near, far); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); } /** @@ -485,20 +498,38 @@ void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); - glTranslatef(-1.5f, 0.0f, -6.0f); - + glTranslatef( 0.0f, 0.0f, 0.0f); glBegin(GL_QUADS); - - glColor3f(1.0f,0.0f,0.0f); // Set The Color To Red - glVertex3f(-1.0f, 1.0f, 0.0f); // Top left - glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right - glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right - glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left + glVertex3f( 0.0f, 1.0f, -1.0f); + glVertex3f( 0.0f, 1.0f, 1.0f); + glVertex3f( 0.0f, -1.0f, 1.0f); + glVertex3f( 0.0f, -1.0f, -1.0f); glEnd(); + + glTranslatef( 0.0f, 0.0f, -5.0f); // Move into the Screen 10.0 + glutSolidTeapot(1); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + gluLookAt(0.7f, 0.4f, 0.9f, -2.0f, -1.0f, -7.0f, 1.0f, 10.0f, 1.0f); + + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); glutSwapBuffers(); } +/** + * init function, sets OpenGL's starting state + */ +void init() { + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + gluPerspective( 60, 1, 0.1, 1000.0); + glMatrixMode(GL_MODELVIEW); +} + /** * Main function * @param argc Number of arguments @@ -523,11 +554,22 @@ int main(int argc, char **argv) { glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); glutInitWindowSize(500, 500); glutCreateWindow("Scene Editor"); + + glShadeModel(GL_SMOOTH); // Enables Smooth Shading + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background + glClearDepth(1.0f); // Depth Buffer Setup + glEnable(GL_DEPTH_TEST); // Enables Depth Testing + glDepthFunc(GL_LEQUAL); // the type + + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations + glutReshapeFunc(windowReshape); glutDisplayFunc(display); glutMouseFunc(mouse); - glEnable(GL_DEPTH_TEST); // Enable hidden surface removal makeMenu(); + + init(); + glutMainLoop(); }