int render(void)
{
double ws = config.worldSize;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* view_angle += 0.01;*/
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, 0, -ws*2.5);
glRotatef(view_angle, 0, 1, 0);
/* Constituents of the monomers */
glLightfv(GL_LIGHT0, GL_DIFFUSE, red);
renderParticles(config.numMonomers, world.Ss);
glLightfv(GL_LIGHT0, GL_DIFFUSE, green);
renderParticles(config.numMonomers, world.As);
glLightfv(GL_LIGHT0, GL_DIFFUSE, blue);
renderParticles(config.numMonomers, world.Ps);
/* Connections */
glLightfv(GL_LIGHT0, GL_DIFFUSE, gray);
drawCilinder(&world.Ps[0].pos, &world.Ss[0].pos,
CILINDER_FACES, CILINDER_RADIUS);
drawCilinder(&world.Ss[0].pos, &world.As[0].pos,
CILINDER_FACES, CILINDER_RADIUS);
for(int i = 1; i < config.numMonomers; i++) {
drawCilinder(&world.Ps[i].pos, &world.Ss[i].pos,
CILINDER_FACES, CILINDER_RADIUS);
drawCilinder(&world.Ss[i].pos, &world.As[i].pos,
CILINDER_FACES, CILINDER_RADIUS);
drawCilinder(&world.Ss[i].pos, &world.Ps[i-1].pos,
CILINDER_FACES, CILINDER_RADIUS);
}
#if DRAWFORCES
/* Forces */
glColor3f(0.8, 0.0, 0.0);
glBegin(GL_LINES);
for(int i = 0; i < 3 * config.numMonomers; i++) {
Vec3 tmp;
add(&world.all[i].pos, &world.all[i].F, &tmp);
drawLine(&world.all[i].pos, &tmp);
}
glEnd();
#endif
SDL_GL_SwapBuffers();
return 0;
}
static void renderConnection(Particle *p1, Particle *p2, RenderConf *rc)
{
if (distance(p1->pos, p2->pos) > world.worldSize / 2)
return; /* To avoid periodic boundary clutter */
drawCilinder(p1->pos, p2->pos, CILINDER_FACES,
rc->radius / CILINDER_RADIUS_DIVISOR);
}
