#include <GL/glut.h>

void display(void)
{ 
	static GLfloat rojo[] = { 1.0, 0.0, 0.0 };
	static GLfloat verde_obscuro[] = { 0.0, 0.5, 0.0 };
	static GLfloat carne[] = { 0.8, 0.5, 0.5 };

	glClear(GL_COLOR_BUFFER_BIT);
 	
	glPushMatrix();    
		glTranslatef(0.0,0.0,-4.0);	
		
		glPushMatrix();						/* cara  */
			glScalef(0.75,1.0,0.75);
			glColor3fv(carne);
			glutSolidSphere(1.0,50,50);
		glPopMatrix();
	
		glPushMatrix();						/* sombrero  */	
			glTranslatef(0.0,0.5,0.0);
			glRotatef(-90.0,1.0,0.0,0.0);
			glColor3fv(verde_obscuro);
			glutSolidCone(0.75,1.0,10,10);
		glPopMatrix();

		glPointSize(8.0);
        glColor3f(0.0,0.0,0.0);
		glBegin (GL_POINTS);				/* ojos */	
             glVertex2f(0.2, 0.1);
             glVertex2f(-0.2, 0.1);
        glEnd ();

		glBegin(GL_TRIANGLES);				/* nariz */	
             glVertex2f(0.0, 0.0);
             glVertex2f(-0.1, -0.3);
             glVertex2f(0.1, -0.3);
		glEnd();

		glColor3fv(rojo); 
		glLineWidth(3);
        glBegin (GL_LINE_STRIP);			/* boca */	
             glVertex2f(-0.3, -0.6);
             glVertex2f(-0.2, -0.7);
             glVertex2f(0.2, -0.7);
             glVertex2f(0.3, -0.6);
        glEnd ();
	glPopMatrix();
	glFlush();
}

void reshape(int width, int height)
{
	glClearColor(1.0,1.0,1.0,1.0);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(45, (float)width/height, 3.0, 7.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

int main(int argc, char** argv)
{
    glutInitDisplayMode(GLUT_RGB|GLUT_SINGLE);
    glutInitWindowPosition(50, 50);
    glutInitWindowSize(640, 480);
    glutInit(&argc, argv);
    glutCreateWindow("Carita");
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutMainLoop();
    return 0;
}