/// <summary>
/// Add data for the stroke object to the LivePolyMeshObject. Later, when the stroke
/// is modified, we'll use its modified callback to update the stroke data keyed by
/// this stroke - see onStrokeModified.
/// </summary>
private void addStrokePolygonData(KeyedPolyMeshObject polyMeshObj,
StrokeObject strokeObj,
List <Vector3> strokeMeshPositions,
List <Polygon> strokeMeshPolygons,
List <Edge> strokeSmoothEdges,
List <Color> strokeColors)
{
polyMeshObj.AddDataFor(strokeObj, strokeMeshPositions,
strokeMeshPolygons,
strokeSmoothEdges,
strokeColors);
// TODO: This counting is hacky and not-robust :(
foreach (var polygon in strokeMeshPolygons)
{
addedTriangleCount += (polygon.Count - 2) * 2; // double-sided means twice as
// many triangles.
}
}
void LateUpdate()
{
var strokesToAdd = Pool <List <StrokeObject> > .Spawn();
strokesToAdd.Clear();
try {
foreach (var child in this.transform.GetChildren())
{
var strokeObj = child.GetComponent <StrokeObject>();
if (strokeObj != null)
{
strokesToAdd.Add(strokeObj);
}
}
if (_curPolyMeshObj == null)
{
_curPolyMeshObj = createNewPolyMeshObj();
}
foreach (var stroke in strokesToAdd)
{
stroke.transform.parent = _curPolyMeshObj.transform;
var strokeMeshPolygons = Pool <List <Polygon> > .Spawn();
strokeMeshPolygons.Clear();
var strokeMeshPositions = Pool <List <Vector3> > .Spawn();
strokeMeshPositions.Clear();
var strokeSmoothEdges = Pool <List <Edge> > .Spawn();
strokeSmoothEdges.Clear();
var strokeColors = Pool <List <Color> > .Spawn();
strokeColors.Clear();
try {
polyMesher.FillPolyMeshData(stroke,
strokeMeshPositions,
strokeMeshPolygons,
strokeSmoothEdges,
strokeColors);
// If the current one is full, create a new LivePolyMeshObject for this
// stroke's polygon data.
if (_curPolyMeshObj.PolygonCount
+ strokeMeshPolygons.Count > maxPolygonsPerPolyMesh)
{
_livePolyMeshObjs.Add(_curPolyMeshObj);
_pendingPolyMeshObjs.Add(_curPolyMeshObj);
_curPolyMeshObj = createNewPolyMeshObj();
}
addStrokePolygonData(_curPolyMeshObj, stroke,
strokeMeshPositions,
strokeMeshPolygons,
strokeSmoothEdges,
strokeColors);
_strokeMeshes[stroke] = _curPolyMeshObj;
List <StrokeObject> strokes;
if (_meshStrokes.TryGetValue(_curPolyMeshObj, out strokes))
{
strokes.Add(stroke);
}
else
{
// TODO not sure what to do here
}
stroke.OnStrokeModified += onStrokeModified;
}
finally {
strokeMeshPolygons.Clear();
Pool <List <Polygon> > .Recycle(strokeMeshPolygons);
strokeMeshPositions.Clear();
Pool <List <Vector3> > .Recycle(strokeMeshPositions);
strokeSmoothEdges.Clear();
Pool <List <Edge> > .Recycle(strokeSmoothEdges);
strokeColors.Clear();
Pool <List <Color> > .Recycle(strokeColors);
}
// Fire the temporary stroke-added callback.
Temp_OnNewStrokeAdded();
}
}
finally {
strokesToAdd.Clear();
Pool <List <StrokeObject> > .Recycle(strokesToAdd);
}
}
