#include <stdio.h>
#include <GL/glut.h>


#define HEIGHT 1080
#define WIDTH 1920


void setup() {

	// Set background dark
	glClearColor(0.0, 0.0, 0.0, 1.0);

	// Set point color and size to 1 pixel
	glColor3f(0.0, 1.0, 0.0);
	glPointSize(5.0);

	// Matrix projection
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();


	// Set the coordinates to be used with the viewport
	gluOrtho2D(0, WIDTH, HEIGHT, 0);


	glMatrixMode(GL_MODELVIEW);
	glLoadIdentity();
}


void display() {
	glClear(GL_COLOR_BUFFER_BIT);
    glBegin(GL_QUADS);
    glVertex2f(100.0f, 100.0f);  // Bottom-left vertex of first rectangle
    glVertex2f(200.0f, 100.0f);  // Bottom-right vertex of first rectangle
    glVertex2f(200.0f, 200.0f);  // Top-right vertex of first rectangle
    glVertex2f(100.0f, 200.0f);  // Top-left vertex of first rectangle
	glEnd();
	glFlush();
}


int main(int argc, char** argv) {

	glutInit(&argc, argv);
	glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
	glutInitWindowSize(WIDTH, HEIGHT);
	glutCreateWindow("OpenGL Window");
	setup();
	glutDisplayFunc(display);
	glutMainLoop();

	return 0;
}