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LineBlockTracer: Fixed a math rounding error failure.

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Mattes D 2017-05-28 20:59:37 +02:00
parent 0551d78dff
commit bc6e2100c1
1 changed files with 5 additions and 1 deletions
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6
src/LineBlockTracer.cpp
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@ -122,7 +122,11 @@ bool cLineBlockTracer::FirstSolidHitTrace(
cBoundingBox bb(a_BlockX, a_BlockX + 1, a_BlockY, a_BlockY + 1, a_BlockZ, a_BlockZ + 1); // Bounding box of the block hit
double LineCoeff = 0; // Used to calculate where along the line an intersection with the bounding box occurs
eBlockFace Face; // Face hit
VERIFY(bb.CalcLineIntersection(m_Start, m_End, LineCoeff, Face));
if (!bb.CalcLineIntersection(m_Start, m_End, LineCoeff, Face))
{
// Math rounding errors have caused the calculation to miss the block completely, assume immediate hit
LineCoeff = 0;
}
m_HitCoords = m_Start + (m_End - m_Start) * LineCoeff; // Point where projectile goes into the hit block
return true;
}