// **NOTE: Function does not currently draw arrow-heads
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// **NOTE: Function does not currently draw arrow-heads
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glVertex3i( lineLength, 0.0, 0.0 );
glVertex3i( lineLength - arrowLength, 0.0, -1.0 );
glVertex3i( lineLength, 0.0, 0.0 );
glVertex3i( lineLength - arrowLength, 0.0, -1.0 );