void addDamping()
{
XMVECTOR dampPoint1 = XMVectorScale(point1->curr_v, -g_fDamping);
XMVECTOR dampPoint2 = XMVectorScale(point2->curr_v, -g_fDamping);
point1->addIntF(dampPoint1);
point2->addIntF(dampPoint2);
}
// same with vtmp
void addDampingTMP()
{
XMVECTOR dampPoint1 = XMVectorScale(point1->vtmp, -g_fDamping);
XMVECTOR dampPoint2 = XMVectorScale(point2->vtmp, -g_fDamping);
point1->addIntF(dampPoint1);
point2->addIntF(dampPoint2);
}
// same only with xtmp
void computeSpringForcesTMP()
{
float curr_length = getDistance(&point1->xtmp, &point2->xtmp);
float springForce = (-1 * stiffness) * (curr_length - org_length);
forces = XMVectorSubtract(point1->xtmp, point2->xtmp);
forces = XMVectorScale(forces, 1.f / curr_length);
forces = XMVectorScale(forces, springForce);
point1->addIntF(forces);
point2->addIntF(XMVectorScale(forces, -1.f));
}
