Нарисовать фигуру (язык C)

#include <glut.h>
#include <stdio.h>
#pragma comment (lib,"glut32.lib")
void Draw() 
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0,1.0,1.0);
    glLineWidth(5.0);
    glBegin(GL_TRIANGLES);
        glVertex3f(0.4,0.95,0.0);
        glVertex3f(0.2,0.7,0.0);
        glVertex3f(0.6,0.7,0.0);
    glEnd();
    glBegin(GL_POLYGON);
        glVertex3f(0.2,0.7,0.0);
        glVertex3f(0.6,0.7,0.0);
        glVertex3f(0.6,0.5,0.0);
        glVertex3f(0.2,0.5,0.0);
    glEnd();
    glBegin(GL_QUAD_STRIP);
        glVertex3f(0.6,0.5,0.0);
        glVertex3f(0.2,0.5,0.0);
        glVertex3f(0.7,0.4,0.0);
        glVertex3f(0.1,0.4,0.0);
    glEnd();
    glBegin(GL_QUAD_STRIP);
        glVertex3f(0.7,0.4,0.0);
        glVertex3f(0.1,0.4,0.0);
        glVertex3f(0.7,0.2,0.0);
        glVertex3f(0.1,0.2,0.0);
    glEnd();
    glColor3f(0.0,0.0,0.0);
    glEnable(GL_POINTS); // Будем работать с точкой
    glEnable(GL_POINT_SMOOTH); // Разрешаем антиалиасинг точки
    glPointSize(400.0); // Задаем размер точки
    glBegin(GL_POINTS); // Определяем координаты рисования
    glVertex3f(0.4,0.3,0.0);
    glEnd();
    glDisable(GL_POINTS);
    glDisable(GL_POINT_SMOOTH);
    glColor3f(1.0,1.0,1.0);
    glBegin(GL_TRIANGLES);
        glVertex3f(0.7,0.3,0.0);
        glVertex3f(0.7,0.2,0.0);
        glVertex3f(0.75,0.2,0.0);
    glEnd();
    glBegin(GL_TRIANGLES);
        glVertex3f(0.1,0.3,0.0);
        glVertex3f(0.1,0.2,0.0);
        glVertex3f(0.05,0.2,0.0);
    glEnd();
    glFlush();
}
 
void Initialize()
{
    glClearColor(0.0,0.0,0.0,0.0);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0.0,1.0,0.0,1.0,-1.0,1.0);
}
 
int main(int iArgc,char **cppArgv)
{
    glutInit(&iArgc,cppArgv);
    printf("glutInitOK!\n");
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
    printf("glutInitDisplayModeOK!\n");
    glutInitWindowSize(800,600);
    printf("glutInitWindowSizeOK!\n");
    glutInitWindowPosition(200,0);
    printf("glutInitWindowPositionOK!\n");
    glutCreateWindow("X3test");
    printf("glutCreateWindowOK!\n");
    Initialize();
    printf("InitializeOK!\n");
    glutDisplayFunc(Draw);
    printf("glutDisplayFuncOK!\n");
    glutMainLoop();
    printf("glutMainLoop!\n");
}