public static bool SegIntersectPlg(ref VInt2 segSrc, ref VInt2 segVec, VInt2[] plg, out VInt2 nearPoint, out VInt2 projectVec)
{
nearPoint = VInt2.zero;
projectVec = VInt2.zero;
if (plg == null || plg.Length < 2)
{
return(false);
}
bool result = false;
long num = -1L;
int num2 = -1;
for (int i = 0; i < plg.Length; i++)
{
VInt2 vInt = plg[(i + 1) % plg.Length] - plg[i];
VInt2 vInt2;
if (IntMath.IntersectSegment(ref segSrc, ref segVec, ref plg[i], ref vInt, out vInt2))
{
long sqrMagnitudeLong = (vInt2 - segSrc).sqrMagnitudeLong;
if (num < 0L || sqrMagnitudeLong < num)
{
nearPoint = vInt2;
num = sqrMagnitudeLong;
num2 = i;
result = true;
}
}
}
if (num2 >= 0)
{
VInt2 lhs = plg[(num2 + 1) % plg.Length] - plg[num2];
VInt2 vInt3 = segSrc + segVec - nearPoint;
long num3 = (long)vInt3.x * (long)lhs.x + (long)vInt3.y * (long)lhs.y;
if (num3 < 0L)
{
num3 = -num3;
lhs = -lhs;
}
long sqrMagnitudeLong2 = lhs.sqrMagnitudeLong;
projectVec.x = (int)IntMath.Divide((long)lhs.x * num3, sqrMagnitudeLong2);
projectVec.y = (int)IntMath.Divide((long)lhs.y * num3, sqrMagnitudeLong2);
}
return(result);
}