/// <summary>
/// Отрисовка модели
/// </summary>
/// <param name="drawSurface"></param>
/// <param name="drawingSide"></param>
/// <returns></returns>
public int ShowModel(IDrawingSurface surface, PolygonSides drawingSide = PolygonSides.AllSides)
{
try
{
if (collection.Length == 1)
{
if (collection[0] != null)
{
if (collection[0].ShowModel(surface, drawingSide) != 0)
{
throw new Exception(ErrorLog.GetLastError());
}
}
}
else
{
if (drawingSide == PolygonSides.Auto)
{
if (ShowModel(surface, PolygonSides.RearSide) != 0)
{
throw new Exception(Graph3DLibrary.ErrorLog.GetLastError());
}
if (ShowModel(surface, PolygonSides.FrontSide) != 0)
{
throw new Exception(Graph3DLibrary.ErrorLog.GetLastError());
}
}
else
{
int PolygonPartSize = ActivePolygonCount / surface.BufferCount;
Parallel.For(0, surface.BufferCount, (int partIndex) =>
{
int sideIdx;
Pen pen = new Pen(Color.White);
SolidBrush brush = new SolidBrush(Color.White);
PointF[] poly = new PointF[3] {
new PointF(), new PointF(), new PointF()
};
for (int i = partIndex * PolygonPartSize; (i < ActivePolygonCount) && (i < (partIndex + 1) * PolygonPartSize); i++)
{
if (collection[ActivePolygon[i].ModelIndex] != null)
{
sideIdx = (collection[ActivePolygon[i].ModelIndex].Polygon[ActivePolygon[i].PolygonIndex].NormalZ <= 0) ? 0 : 1;
if (drawingSide != PolygonSides.AllSides)
{
if ((drawingSide == PolygonSides.FrontSide) & (sideIdx == 1))
{
continue;
}
if ((drawingSide == PolygonSides.RearSide) & (sideIdx == 0))
{
continue;
}
}
if (Engine3D.BuiltStaticPolygon(ref collection[ActivePolygon[i].ModelIndex].ScreenVertex3D, ref collection[ActivePolygon[i].ModelIndex].Polygon[ActivePolygon[i].PolygonIndex], ref poly) != 0)
{
throw new Exception(Graph3DLibrary.ErrorLog.GetLastError());
}
switch (collection[ActivePolygon[i].ModelIndex].Polygon[ActivePolygon[i].PolygonIndex].FillType)
{
case PolygonFillType.Solid:
brush.Color = collection[ActivePolygon[i].ModelIndex].Polygon[ActivePolygon[i].PolygonIndex].LightingColor[sideIdx];
surface.FillPolygon(brush, poly, partIndex);
break;
case PolygonFillType.Wide:
pen.Color = collection[ActivePolygon[i].ModelIndex].Polygon[ActivePolygon[i].PolygonIndex].LightingColor[sideIdx];
surface.DrawPolygon(pen, poly, partIndex);
break;
}
}
}
pen.Dispose();
});
}
}
return(0);
}
catch (Exception er)
{
Graph3DLibrary.ErrorLog.AddErrorMessage("ModelCollectionController", "ShowModel", er.Message, -1);
return(-1);
}
}