60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#ifdef _WIN32
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#include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <stdlib.h>
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void init(void)
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{
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GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
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GLfloat mat_shininess[] = { 50.0 };
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GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
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glClearColor (0.0, 0.0, 0.0, 0.0);
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glShadeModel (GL_SMOOTH);
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glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
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glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
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glLightfv(GL_LIGHT0, GL_POSITION, light_position);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_DEPTH_TEST);
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}
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void display(void)
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{
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glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glutSolidSphere (1.0, 20, 16);
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glFlush ();
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}
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void reshape (int w, int h)
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{
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glViewport (0, 0, (GLsizei) w, (GLsizei) h);
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity();
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if (w <= h)
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glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
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1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
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else
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glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
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1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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}
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int main(int argc, char** argv)
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{
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glutInit(&argc, argv);
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glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
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glutInitWindowSize (500, 500);
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glutInitWindowPosition (100, 100);
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glutCreateWindow (argv[0]);
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init ();
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glutDisplayFunc(display);
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glutReshapeFunc(reshape);
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glutMainLoop();
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return EXIT_SUCCESS;
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}
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