Method testEdgeCover

Engine/source/navigation/navMesh.cpp:1286–1327

}

bool NavMesh::testEdgeCover(const Point3F &pos, const VectorF &dir, CoverPointData &data)
{
   data.peek[0] = data.peek[1] = data.peek[2] = false;
   // Get the edge normal.
   Point3F norm;
   mCross(dir, Point3F(0, 0, 1), &norm);
   RayInfo ray;
   U32 hits = 0;
   for(U32 j = 0; j < CoverPoint::NumSizes; j++)
   {
      Point3F test = pos + Point3F(0.0f, 0.0f, mWalkableHeight * j / CoverPoint::NumSizes);
      if(getContainer()->castRay(test, test + norm * mCoverDist, StaticObjectType, &ray))
      {
         // Test peeking.
         Point3F left = test + dir * mPeekDist;
         data.peek[0] = !getContainer()->castRay(test, left, StaticObjectType, &ray)
            && !getContainer()->castRay(left, left + norm * mCoverDist, StaticObjectType, &ray);

         Point3F right = test - dir * mPeekDist;
         data.peek[1] = !getContainer()->castRay(test, right, StaticObjectType, &ray)
            && !getContainer()->castRay(right, right + norm * mCoverDist, StaticObjectType, &ray);

         Point3F over = test + Point3F(0, 0, 1) * 0.2f;
         data.peek[2] = !getContainer()->castRay(test, over, StaticObjectType, &ray)
            && !getContainer()->castRay(over, over + norm * mCoverDist, StaticObjectType, &ray);

         if(mInnerCover || data.peek[0] || data.peek[1] || data.peek[2])
            hits++;
         // If we couldn't peek here, we may be able to peek further up.
      }
      else
         // No cover at this height - break off.
         break;
   }
   if(hits > 0)
   {
      data.size = (CoverPoint::Size)(hits - 1);
      data.trans = MathUtils::createOrientFromDir(norm);
      data.trans.setPosition(pos);
   }
   return hits > 0;
}

void NavMesh::renderToDrawer()
{