Untitled

#include <GL/glut.h>
#include <iostream>
using namespace std;

void myinit(void)
{
    glClearColor(1.0, 1.0, 1.0, 0.0);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluOrtho2D(0.0, 640.0, 0.0, 480.0);
}

void drawPolygon()
{
    glColor3f(1.0, 0.0, 0.0); // Set color to red
    glBegin(GL_POLYGON);
    
    // Define vertices of the polygon (pentagon example)
    GLfloat polygonVertices[5][2] = {
        {250, 350},
        {200, 275},
        {225, 200},
        {275, 200},
        {300, 275}
    };
    
    for (int i = 0; i < 5; i++)
    {
        glVertex2f(polygonVertices[i][0], polygonVertices[i][1]);
    }
    
    glEnd();
    glFlush();
}

void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    drawPolygon();
}

int main(int argc, char** argv)
{
    glutInit(&argc, argv);
    glutInitWindowSize(640, 480);
    glutInitWindowPosition(10, 10);
    glutCreateWindow("Simple Polygon");
    myinit();
    glutDisplayFunc(display);
    glutMainLoop();
    return 0;
}