Fixed ViewPorts(?) by DELTRON

// The issue you are having is with variables.  New key mapping is x,y,z for one pot, and X,Y,Z for the other pot -- Delt #pragma comment(lib, "opengl32.lib") #pragma comment(lib, "glu32.lib") #pragma comment(linker, "/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup") #include <windows.h> #include <stdio.h> #include <stdlib.h> #include <GL\glut.h> #include <GL\gl.h> #include <math.h> static int WIN_H = 800; /* window height */ static int WIN_W = 800; /* window width */ static int WIN_POS_X = 200; /* window's x position */ static int WIN_POS_Y = 0; /* window's y position */ float xAngle; float yAngle; float xAngle2; float yAngle2; void drawTeapot() {     glColor3f(150.0,200.0,100.0);     glutWireTeapot(0.5);     glFlush (); } void display() {     glClearColor(0.0,1.0,0.0,1.0);     glClear (GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT);     glLoadIdentity();     glMatrixMode(GL_PROJECTION);     glLoadIdentity();     glViewport(0,0,WIN_W/2,WIN_H);     gluPerspective(45.0,1.0* WIN_W/WIN_H,1.0,100.0);     glTranslatef(0.0,0.0,-10.0);     glRotatef(xAngle,1.0,0.0,0.0);     glRotatef(yAngle,0.0,1.0,0.0);     drawTeapot();     glLoadIdentity();     glOrtho(0.0,WIN_W,0.0,WIN_H,0.0,0.0);     glMatrixMode(GL_MODELVIEW);     glViewport(WIN_W/2,0,WIN_W/2,WIN_H);     glRotatef(xAngle2,1.0,0.0,0.0);     glRotatef(yAngle2,0.0,1.0,0.0);     drawTeapot();    } void keyboard (unsigned char key, int x, int y) {      if (key=='q' || key==27) { exit(1); } if(key == 'x') {     xAngle = 0.0;     yAngle = 0.0;          glutPostRedisplay(); } if(key == 'y') {          xAngle = 90.0;     yAngle = 0.0;          glutPostRedisplay(); } if(key == 'z') {     xAngle = 0.0;     yAngle = 120.0;          glutPostRedisplay();      } if(key == 'X') {     xAngle2 = 0.0;     yAngle2 = 0.0;          glutPostRedisplay(); } if(key == 'Y') {          xAngle2 = 90.0;     yAngle2 = 0.0;          glutPostRedisplay(); } if(key == 'Z') {     xAngle2 = 0.0;     yAngle2 = 120.0;          glutPostRedisplay();      } } int main(int argc, char* argv[]) {             glutInit(&argc,argv);    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);    glutInitWindowSize(WIN_W,WIN_H);    glutInitWindowPosition(WIN_POS_X, WIN_POS_Y);    glutCreateWindow("OPENGL PROGRAM");       glutDisplayFunc(display);    glutKeyboardFunc(keyboard);    glutMainLoop();    return 0; }