#define GLUT_DISABLE_ATEXIT_HACK #include float degree = 0; float degreeY = 0; GLubyte chess[] = { 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff,0x00,0x00,0xff,0xff, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00,0xff,0xff,0x00,0x00, }; GLuint lineList; void KeyPlot(int key, int x, int y) { switch (key) { case GLUT_KEY_UP: { degree += 1; break; } case GLUT_KEY_DOWN: { degree -= 1; break; } case GLUT_KEY_LEFT: { degreeY += 1; break; } case GLUT_KEY_RIGHT: { degreeY -= 1; break; } default: break; } 

glutPostRedisplay(); } void display(void) { glClear(GL_COLOR_BUFFER_BIT); glViewport(0, 0, 500, 500); glLineWidth(5.0); glColor4f(0.0, 0.6, 1.0, 1.0); glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); glCallList(lineList); glViewport(500, 0, 500, 500); glOrtho(-1.0, 1.0, -1, 1.0, -10, 10); glPushMatrix(); glRotatef(degree, 1, 0, 0); glRotatef(degreeY, 0, 1, 0); glColor3f(0.0, 0.0, 0.0); glEnable(GL_POLYGON_STIPPLE); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); glPolygonStipple(chess); glCallList(lineList); glRectf(50.0f, 100.0f, 150.0f, 50.0f); glDisable(GL_POLYGON_STIPPLE); glLineWidth(5.0); glColor4f(0.0, 0.6, 1.0, 1.0); glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); glCallList(lineList); glPopMatrix(); glFlush(); glutSwapBuffers(); } void Initial() { glClearColor(1.0, 1.0, 1.0, 0.0); glMatrixMode(GL_PROJECTION); lineList = glGenLists(1); glNewList(lineList, GL_COMPILE); glBegin(GL_TRIANGLE_STRIP); glVertex3f(1.0, 1.0, 1.0); glVertex3f(0.0, 1.0, 0.0); glVertex3f(2.0, 1.0, 0.0); 

glVertex3f(2.0, 0.0, 0.0); glVertex3f(1.0, 1.0, 1.0); glVertex3f(0.0, 1.0, 0.0); glVertex3f(2.0, 0.0, 0.0); glEnd(); glEndList(); } void changeSize(GLsizei w, GLsizei h) { if (h == 0) h = 1; glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (w <= h) gluOrtho2D(-2.5, 2.5, -3.0, 3.0*(GLfloat)h / (GLfloat)w); else gluOrtho2D(-2.5, 2.5*(GLfloat)w / (GLfloat)h, -3.0, 3.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } int main(int argc, char* argv[]) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(1000, 500); glutInitWindowPosition(100, 100); glutCreateWindow("Experiment 3"); glutReshapeFunc(changeSize); glutDisplayFunc(display); glutSpecialFunc(KeyPlot); Initial(); glutMainLoop(); return 0; } 结果