fuente: main.c
#include <GL/glut.h>
void init (void){
glClearColor (1.0,1.0,1.0,0.0);
glMatrixMode (GL_PROJECTION);
gluOrtho2D (0.0,200.0,0.0,150.0);
}
void lineSegment (void){
glClear (GL_COLOR_BUFFER_BIT);
glColor3f (1.0,0.0,0.0);
glBegin (GL_LINES)...