static bool GetSingleSingleCollision(CircleCollisionSystem c1, CircleCollisionSystem c2)
{
return c1.IsCollision(c1.GetCollisionTarget(), c2.GetCollisionTarget());
}
static bool GetSingleMultiCollision(CircleCollisionSystem single, CircleCollisionSystem multi)
{
if (!GetSingleMultiCollisionPredict(single, multi))
{
return false;
}
return GetSingleMultiCollision(single.GetCollisionTarget(), multi);
}
static bool GetSingleMultiCollisionPredict(CircleCollisionSystem single, CircleCollisionSystem multi)
{
if (multi.IsNeedPredict())
{
return single.IsCollision(multi.GetPredictateCollisionTarget(), single.GetCollisionTarget());
}
else
{
return true;
}
}
public bool GetCollision(CircleCollisionSystem target)
{
if (IsCollision(GetCollisionTarget(), target.GetCollisionTarget()))//コア判定
{
return true;
}
bool mul1 = IsMultiCollision();
bool mul2 = target.IsMultiCollision();
if (!mul1 && !mul2)//single-singleならend
{
return false;
}
if (mul1 && mul2)
{
return GetMultiMultiCollision(this, target);
}
if (!mul1 && mul2)
{
return GetSingleMultiCollision(this, target);
}
if (mul1 && !mul2)
{
return GetSingleMultiCollision(target, this);
}
throw new Exception();
}