private LayerCache build_cache(PrintLayerData layerData)
{
LayerCache cache = new LayerCache();
cache.SupportAreas = ClipperUtil.MiterOffset(layerData.SupportAreas, layerData.Settings.Machine.NozzleDiamMM);
cache.SupportAreaBounds = new AxisAlignedBox2d[cache.SupportAreas.Count];
cache.AllSupportBounds = AxisAlignedBox2d.Empty;
for (int i = 0; i < cache.SupportAreas.Count; ++i)
{
cache.SupportAreaBounds[i] = cache.SupportAreas[i].Bounds;
cache.AllSupportBounds.Contain(cache.SupportAreaBounds[i]);
}
return(cache);
}
public virtual void Process(PrintLayerData layerData, ToolpathSet layerPaths)
{
if (layerData.PreviousLayer == null)
{
return;
}
if (layerData.PreviousLayer.SupportAreas == null || layerData.PreviousLayer.SupportAreas.Count == 0)
{
return;
}
LayerCache cache = build_cache(layerData.PreviousLayer);
Func <Vector3d, Vector3d> ZOffsetF = (v) =>
{
return(new Vector3d(v.x, v.y, v.z + ZOffsetMM));
};
foreach (var toolpath in layerPaths)
{
LinearToolpath tp = toolpath as LinearToolpath;
if (tp == null)
{
continue;
}
if (!tp.FillType.IsPart())
{
continue;
}
int N = tp.VertexCount;
//for ( int i = 0; i < N; ++i ) {
for (int i = 1; i < N - 1; ++i)
{ // start and end cannot be modified!
PrintVertex v = tp[i];
if (is_over_support(v.Position.xy, ref cache))
{
v.Position = ZOffsetF(v.Position);
tp.UpdateVertex(i, v);
}
}
}
}
private bool is_over_support(Vector2d v, ref LayerCache cache)
{
if (cache.AllSupportBounds.Contains(v) == false)
{
return(false);
}
int N = cache.SupportAreaBounds.Length;
for (int i = 0; i < N; ++i)
{
if (cache.SupportAreaBounds[i].Contains(v))
{
if (cache.SupportAreas[i].Contains(v))
{
return(true);
}
}
}
return(false);
}
