#include <gl/glut.h>

GLUquadricObj* theqw;

void init() {
	glClearColor(0.1, 0.98, 0.3, 1);
	theqw = gluNewQuadric();
	glEnable(GL_DEPTH_TEST);
	//glEnable(GL_COLOR_MATERIAL);
	glEnable(GL_LIGHTING);
	glEnable(GL_LIGHT0);
	//glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
}

void Display() {
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glRotatef(1.0, 1.0, 1.0, 1.0);
	glColor3f(1, 0, 0);
	gluSphere(theqw, 0.3, 50, 50);
	glutPostRedisplay();
	glutSwapBuffers();
}

void main() {
	glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
	glutInitWindowSize(480, 480);
	glutInitWindowPosition(100, 100);
	glutCreateWindow(" ");
	init();
	glutDisplayFunc(Display);
	glutMainLoop();
}