private void UpdateMesh(Mesh mesh, ClippingPlaneSource clippingPlaneSource, Transform sourceTransform, Mesh sourceMesh)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
if (!targetObjects.TryGetValue(clippingPlaneSource, out GameObject newGameObject))
{
newGameObject = new GameObject();
newGameObject.AddComponent <MeshFilter>();
newGameObject.AddComponent <MeshRenderer>();
targetObjects.Add(clippingPlaneSource, newGameObject);
}
var newFilter = newGameObject.GetComponent <MeshFilter>();
var renderer = newGameObject.GetComponent <MeshRenderer>();
newGameObject.transform.position = sourceTransform.position;
newGameObject.transform.rotation = sourceTransform.rotation;
newFilter.mesh = mesh;
MeshClipper.Clip(sourceMesh, sourcesToClip[clippingPlaneSource], sourceTransform.worldToLocalMatrix, mesh)
.ThenOnMainThread((x) => UpdateMesh(x, clippingPlaneSource, sourceTransform, sourceMesh));
stopwatch.Stop();
Debug.Log($"Update Time: {stopwatch.ElapsedMilliseconds}");
}
private void Start()
{
if (clippingPlaneSourceObject != null)
{
var sources = clippingPlaneSourceObject.GetComponentsInChildren <ClippingPlaneSource>();
foreach (var source in sources)
{
MeshFilter meshFilter = source?.GetComponent <MeshFilter>();
Mesh mesh = meshFilter?.mesh;
if (mesh != null)
{
sourcesToClip.Add(source, new ClippingPlaneSet(source.transform.localToWorldMatrix, mesh));
}
}
}
foreach (var source in sourcesToClip)
{
foreach (var filter in targetObjectToBeClipped.GetComponentsInChildren <MeshFilter>())
{
MeshClipper.Clip(filter.mesh, source.Value, filter.transform.worldToLocalMatrix)
.ThenOnMainThread(x => UpdateMesh(x, source.Key, filter.transform, filter.mesh));
}
}
}