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);
}
}
}
}
public void Initialize()
{
blocks = new DestructibleBlock[resolutionX * resolutionY];
for (int x = 0; x < resolutionX; x++)
{
for (int y = 0; y < resolutionY; y++)
{
List <List <Vector2i> > polygons = new List <List <Vector2i> >();
List <Vector2i> vertices = new List <Vector2i>();
vertices.Add(new Vector2i {
x = x * blockSizeScaled, y = (y + 1) * blockSizeScaled
});
vertices.Add(new Vector2i {
x = x * blockSizeScaled, y = y * blockSizeScaled
});
vertices.Add(new Vector2i {
x = (x + 1) * blockSizeScaled, y = y * blockSizeScaled
});
vertices.Add(new Vector2i {
x = (x + 1) * blockSizeScaled, y = (y + 1) * blockSizeScaled
});
polygons.Add(vertices);
int idx = x + resolutionX * y;
DestructibleBlock block = CreateBlock();
blocks[idx] = block;
UpdateBlockBounds(x, y);
block.UpdateGeometryWithMoreVertices(polygons, width, height, depth);
}
}
}