//多角形srcPolyを平行移動・回転する。
//まず, 「多角形dstPolyの頂点dstPointId --> dstPointId + direction」と「多角形srcPolyの頂点srcPointId --> srcPointId - direction」
//が同じ方向を向くように回転する。
//次に, 「多角形dstPolyの頂点dstPointId」と「多角形srcPolyの頂点srcPointId」がくっつくように平行移動する。
private void move(Poly dstPoly, Poly srcPoly, int dstPointId, int srcPointId, int direction, bool isUpdateLines = false)
{
Point mul = (dstPoly[dstPointId + direction] - dstPoly[dstPointId]) / (srcPoly[srcPointId - direction] - srcPoly[srcPointId]);
mul /= mul.Abs;
srcPoly.Mul(mul, isUpdateLines);
Point t = dstPoly.points[dstPointId] - srcPoly.points[srcPointId];
srcPoly.Trans(t, isUpdateLines);
}
//srcPolyとdstPolyを2点で合わせる
private void move(Poly dstPoly, Poly srcPoly, int dstPointId, int srcPointId, bool turnflag, bool isUpdateLine)
{
if (turnflag)
{
srcPoly.Turn(isUpdateLine);
}
Point mul = (dstPoly[dstPointId + 1] - dstPoly[dstPointId]) / (srcPoly[srcPointId + 1] - srcPoly[srcPointId]);
mul /= mul.Abs;
srcPoly.Mul(mul, isUpdateLine);
srcPoly.Trans(dstPoly[dstPointId] - srcPoly[srcPointId], isUpdateLine);
}