// For each brush
// 1D:
// Find surfaces that intersect with ray
// Find edges on that surface, if intersection is close enough to edge, find closest point on edge
static void FindSnapPointsAlongRay(GameObject[] selection, Vector3 worldRayStart, Vector3 worldRayDirection, List <SurfaceSnap> allSurfaceSnapEvents, List <EdgeSnap> allEdgeSnapEvents, List <VertexSnap> allVertexSnapEvents)
{
if (selection == null || selection.Length == 0)
{
return;
}
if (allSurfaceSnapEvents == null &&
allEdgeSnapEvents == null &&
allVertexSnapEvents == null)
{
return;
}
s_FoundIntersections.Clear();
if (ChiselSceneQuery.FindFirstWorldIntersection(s_FoundIntersections, worldRayStart - worldRayDirection, worldRayStart + worldRayDirection, filter: selection))
{
if (allSurfaceSnapEvents != null)
{
for (int i = 0; i < s_FoundIntersections.Count; i++)
{
var intersection = s_FoundIntersections[i];
allSurfaceSnapEvents.Add(new SurfaceSnap
{
brush = intersection.brushIntersection.brush,
surfaceIndex = intersection.brushIntersection.surfaceIndex,
intersection = intersection.worldPlaneIntersection,
normal = intersection.worldPlane.normal,
});
}
}
}
if (allEdgeSnapEvents == null && allVertexSnapEvents == null)
{
return;
}
foreach (var intersection in s_FoundIntersections)
{
var csgBrush = intersection.brushIntersection.brush;
var csgTree = intersection.brushIntersection.tree;
var brushMeshBlob = BrushMeshManager.GetBrushMeshBlob(csgBrush.BrushMesh);
if (!brushMeshBlob.IsCreated)
{
continue;
}
ref var brushMesh = ref brushMeshBlob.Value;
ref var polygons = ref brushMesh.polygons;
static bool GetAllMaterials(CSGTreeBrush brush, CSGTreeBrush findBrush, List <ChiselBrushMaterial> brushMaterials)
{
if (findBrush != brush)
{
return(false);
}
var brushMeshBlob = BrushMeshManager.GetBrushMeshBlob(brush.BrushMesh.BrushMeshID);
if (!brushMeshBlob.IsCreated)
{
return(true);
}
ref var brushMesh = ref brushMeshBlob.Value;
static bool FindSurfaceReference(ChiselNode chiselNode, CSGTreeBrush brush, CSGTreeBrush findBrush, int surfaceID, out SurfaceReference surfaceReference)
{
surfaceReference = null;
if (findBrush != brush)
{
return(false);
}
var brushMeshBlob = BrushMeshManager.GetBrushMeshBlob(findBrush.BrushMesh.BrushMeshID);
if (!brushMeshBlob.IsCreated)
{
return(true);
}
ref var brushMesh = ref brushMeshBlob.Value;
static bool GetAllSurfaces(ChiselNode chiselNode, CSGTreeBrush brush, CSGTreeBrush?findBrush, List <SurfaceReference> surfaces)
{
if (!brush.Valid)
{
return(false);
}
if (findBrush.HasValue && findBrush.Value != brush)
{
return(true);
}
var brushMeshBlob = BrushMeshManager.GetBrushMeshBlob(brush.BrushMesh.BrushMeshID);
if (!brushMeshBlob.IsCreated)
{
return(true);
}
ref var brushMesh = ref brushMeshBlob.Value;