public bool IntersectsMesh(TransformMatrix thisTransform, Octave3DMesh otherMesh, TransformMatrix otherTransform)
{
OrientedBox thisOOBB = new OrientedBox(ModelAABB);
thisOOBB.Transform(thisTransform);
OrientedBox otherOOBB = new OrientedBox(otherMesh.ModelAABB);
otherOOBB.Transform(otherTransform);
if (!thisOOBB.Intersects(otherOOBB))
{
return(false);
}
List <Triangle3D> thisTriangles = GetOverlappedTriangles(otherOOBB, thisTransform);
for (int thisTriIndex = 0; thisTriIndex < thisTriangles.Count; ++thisTriIndex)
{
Triangle3D thisTri = thisTriangles[thisTriIndex];
OrientedBox thisTriOOBB = new OrientedBox(thisTri.GetEncapsulatingBox());
List <Triangle3D> otherTriangles = otherMesh.GetOverlappedTriangles(thisTriOOBB, otherTransform);
for (int otherTriIndex = 0; otherTriIndex < otherTriangles.Count; ++otherTriIndex)
{
Triangle3D otherTri = otherTriangles[otherTriIndex];
if (thisTri.IntersectsTriangle(otherTri))
{
return(true);
}
}
}
return(false);
}
public List <Triangle3DIntersectInfo> GetIntersectingTriangles(TransformMatrix thisTransform, Octave3DMesh otherMesh, TransformMatrix otherTransform)
{
OrientedBox thisOOBB = new OrientedBox(ModelAABB);
thisOOBB.Transform(thisTransform);
OrientedBox otherOOBB = new OrientedBox(otherMesh.ModelAABB);
otherOOBB.Transform(otherTransform);
if (thisOOBB.Intersects(otherOOBB))
{
List <Triangle3D> thisTriangles = GetOverlappedTriangles(otherOOBB, thisTransform);
var output = new List <Triangle3DIntersectInfo>(50);
Triangle3DIntersectInfo intersectInfo;
for (int thisTriIndex = 0; thisTriIndex < thisTriangles.Count; ++thisTriIndex)
{
Triangle3D thisTri = thisTriangles[thisTriIndex];
OrientedBox thisTriOOBB = new OrientedBox(thisTri.GetEncapsulatingBox());
List <Triangle3D> otherTriangles = otherMesh.GetOverlappedTriangles(thisTriOOBB, otherTransform);
for (int otherTriIndex = 0; otherTriIndex < otherTriangles.Count; ++otherTriIndex)
{
Triangle3D otherTri = otherTriangles[otherTriIndex];
if (thisTri.IntersectsTriangle(otherTri, out intersectInfo))
{
output.Add(intersectInfo);
}
}
}
return(output);
}
else
{
return(new List <Triangle3DIntersectInfo>());
}
}
