/// <summary>
/// Edgeとposの最短距離を調べる。
/// </summary>
/// <param name="margin">1.0</param>
public double EdgeDistanceFromPos(Edge e, WWVectorD2 pos, double margin, PointProc.FindPointMode fpm)
{
var p1 = mPP.FindPointByIdx(e.fromPointIdx, fpm);
var p2 = mPP.FindPointByIdx(e.toPointIdx, fpm);
return(WWSegmentPointDistance.SegmentPointDistance(p1.xy, p2.xy, pos, margin));
}
public void SegmentPointDistanceTestY2()
{
var edgeP1 = new WWVectorD2(0, 1);
var edgeP2 = new WWVectorD2(0, 0);
var point = new WWVectorD2(1, 0.5);
double d = WWSegmentPointDistance.SegmentPointDistance(edgeP1, edgeP2, point, 1e-8);
Assert.IsTrue(IsApproxSame(d, 1));
}
public void SegmentPointDistanceTest2()
{
var edgeP1 = new WWVectorD2(1, 0);
var edgeP2 = new WWVectorD2(1, 1);
var point = new WWVectorD2(2, 2);
double d = WWSegmentPointDistance.SegmentPointDistance(edgeP1, edgeP2, point, 1e-8);
Assert.IsTrue(IsApproxSame(d, Math.Sqrt(2)));
}
