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Код

#include "stdafx.h"
#include "Sample.h"



// Making necessary preparations
void InitScene()
{
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
}



//Displaying the scene
void OnDisplay()
{
    glClear(GL_COLOR_BUFFER_BIT);


    glColor3f(1.0, 1.0, 0.0);
    glBegin(GL_POLYGON);
    glVertex2f(-0.5, 0.5);
    glVertex2f(0.5, 0.5);
    glVertex2f(0.5, -0.5);
    glVertex2f(-0.5, -0.5);
    glEnd();


    glFlush();
}



//Reshapng the scene
void OnReshape(int w, int h)
{
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluOrtho2D(-1.0, 1.0, -1.0, 1.0);

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(0.0, 0.0, 3.0, 0.0, 0.0, -1.0, 0.0, 1.0, 0.0);
}



//Reacting to the keyboard
void OnKeyPress(unsigned char key, int x, int y)
{
    switch (key)
    {
    case 27:
        PostQuitMessage(0);
        break;
    }
}



//Application entry point
int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
    glutInit(&nCmdShow, (char **) &lpCmdLine);
    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
    glutCreateWindow("Example OpenGL program");
    glutFullScreen();
    InitScene();
    glutDisplayFunc(OnDisplay);
    glutReshapeFunc(OnReshape);
    glutKeyboardFunc(OnKeyPress);
    glutMainLoop();

    return 0;
}