public void ExecuteClip(IClip clip)
{
BlockSimplification.epsilon = (int64)(simplifyEpsilonPercent / 100f * blockSize * VectorEx.float2int64);
List <Vector2i> clipVertices = clip.GetVertices();
ClipBounds bounds = clip.GetBounds();
int x1 = Mathf.Max(0, (int)(bounds.lowerPoint.x / blockSize));
if (x1 > resolutionX - 1)
{
return;
}
int y1 = Mathf.Max(0, (int)(bounds.lowerPoint.y / blockSize));
if (y1 > resolutionY - 1)
{
return;
}
int x2 = Mathf.Min(resolutionX - 1, (int)(bounds.upperPoint.x / blockSize));
if (x2 < 0)
{
return;
}
int y2 = Mathf.Min(resolutionY - 1, (int)(bounds.upperPoint.y / blockSize));
if (y2 < 0)
{
return;
}
for (int x = x1; x <= x2; x++)
{
for (int y = y1; y <= y2; y++)
{
if (clip.CheckBlockOverlapping(new Vector2f((x + 0.5f) * blockSize, (y + 0.5f) * blockSize), blockSize))
{
DestructibleBlock block = blocks[x + resolutionX * y];
List <List <Vector2i> > solutions = new List <List <Vector2i> >();
ClipperLib.Clipper clipper = new ClipperLib.Clipper();
clipper.AddPolygons(block.Polygons, ClipperLib.PolyType.ptSubject);
clipper.AddPolygon(clipVertices, ClipperLib.PolyType.ptClip);
clipper.Execute(ClipperLib.ClipType.ctDifference, solutions,
ClipperLib.PolyFillType.pftNonZero, ClipperLib.PolyFillType.pftNonZero);
UpdateBlockBounds(x, y);
block.UpdateGeometryWithMoreVertices(solutions, width, height, depth);
}
}
}
}
