public void ReplaceAt(int index, NativeSlice <IntVector> path)
{
var oldLayout = this.layouts[index];
var newLayout = new PathLayout(oldLayout.begin, path.Length, oldLayout.isClockWise);
if (newLayout.length == oldLayout.length)
{
this.points.Slice(oldLayout.begin, oldLayout.length).CopyFrom(path);
}
else if (index + 1 == this.layouts.Count)
{
this.layouts[index] = newLayout;
this.points.RemoveLast(oldLayout.length);
this.points.Add(path);
}
else
{
this.layouts[index] = newLayout;
int shift = newLayout.length - oldLayout.length;
int oldTailLength = this.points.Count - oldLayout.end - 1;
this.points.Shift(shift);
this.points.Slice(newLayout.end + 1, oldTailLength).CopyFrom(this.points.Slice(oldLayout.end + 1, oldTailLength));
this.points.Slice(newLayout.begin, newLayout.length).CopyFrom(path);
for (int i = index + 1; i < this.layouts.Count; ++i)
{
var lt = this.layouts[i];
this.layouts[i] = new PathLayout(lt.begin + shift, lt.length, lt.isClockWise);
}
}
}
public void Add(NativeSlice <IntVector> path, bool isClockWise)
{
int begin = points.Count;
var layout = new PathLayout(begin, path.Length, isClockWise);
this.points.Add(path);
this.layouts.Add(layout);
}
public PlainShape(IntShape iShape, Allocator allocator)
{
var count = iShape.hull.Length;
for (int j = 0; j < iShape.holes.Length; ++j)
{
count += iShape.holes[j].Length;
}
this.points = new NativeArray <IntVector>(count, allocator);
this.layouts = new NativeArray <PathLayout>(iShape.holes.Length + 1, allocator);
int layoutCounter = 0;
int start = 0;
int end = iShape.hull.Length - 1;
int pointCounter = 0;
for (int k = 0; k < iShape.hull.Length; ++k)
{
this.points[pointCounter++] = iShape.hull[k];
}
var layout = new PathLayout(start, iShape.hull.Length, true);
this.layouts[layoutCounter++] = layout;
start = end + 1;
for (int j = 0; j < iShape.holes.Length; ++j)
{
var hole = iShape.holes[j];
end = start + hole.Length - 1;
for (int k = 0; k < hole.Length; ++k)
{
this.points[pointCounter++] = hole[k];
}
this.layouts[layoutCounter++] = new PathLayout(start, hole.Length, false);
start = end + 1;
}
}