Function xParGroupAnimate

src/SB/Core/x/xParGroup.cpp:134–172

#define clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))

void xParGroupAnimate(xParGroup* ps, F32 dt)
{
    xPar* i = ps->m_root;
    xPar* tmp;
    F32 age = dt;

    if (ps->m_flags & XPARGROUP_NOAGING)
    {
        age = 0.0f;
    }

    if (!ps->m_root)
    {
        ps->m_alive = 0;
    }

    while (i)
    {
        if (i->m_lifetime < 0.0f)
        {
            tmp = i;

            i = i->m_next;

            xParGroupKillPar(ps, tmp);
        }
        else
        {
            i->m_c[0] = i->m_cfl[0] = clamp(i->m_cvel[0] * dt + i->m_cfl[0], 0.0f, 255.0f);
            i->m_c[1] = i->m_cfl[1] = clamp(i->m_cvel[1] * dt + i->m_cfl[1], 0.0f, 255.0f);
            i->m_c[2] = i->m_cfl[2] = clamp(i->m_cvel[2] * dt + i->m_cfl[2], 0.0f, 255.0f);
            i->m_c[3] = i->m_cfl[3] = clamp(i->m_cvel[3] * dt + i->m_cfl[3], 0.0f, 255.0f);
            i->m_size += i->m_sizeVel * dt;
            i->m_lifetime -= age;

            i = i->m_next;
        }
    }
}

void xParGroupAddParP(xParGroup* ps, xPar* p)
{