/// <summary>
/// Split a mesh at a series of coplanar planes.
/// </summary>
/// <param name="mesh">The mesh to split faces on.</param>
/// <param name="planeNormal">The plane normal of the planes to split on.</param>
/// <param name="distancesFromOrigin">The series of coplanar planes to split the mash at.</param>
/// <param name="onPlaneDistance">Any mesh edge that has a vertex at this distance or less from a cut plane
/// should not be cut by that plane.</param>
public static void SplitOnPlanes(this Mesh mesh, Vector3 planeNormal, List <double> distancesFromOrigin, double onPlaneDistance)
{
for (int i = 0; i < distancesFromOrigin.Count; i++)
{
mesh.Split(new Plane(planeNormal, distancesFromOrigin[i]), onPlaneDistance, (clipData) =>
{
// if two distances are less than 0
if ((clipData.Dist[0] < 0 && clipData.Dist[1] < 0) ||
(clipData.Dist[1] < 0 && clipData.Dist[2] < 0) ||
(clipData.Dist[2] < 0 && clipData.Dist[0] < 0))
{
return(true);
}
return(false);
});
}
for (int i = distancesFromOrigin.Count - 1; i >= 0; i--)
{
mesh.Split(new Plane(planeNormal, distancesFromOrigin[i]), .1);
}
return;
}
