// Returns a point along the surface, expected f from 0 to Length
public XVector2 GetPointAlongSurface(XReal f)
{
for (int p = 0; p < Points.Length; ++p)
{
XVector2 p1 = Points[p], p2 = Points[(p + 1) % Points.Length];
XReal len = XVector2.Distance(p1, p2);
if (len > f)
{
return(XVector2.Lerp(p1, p2, f / len));
}
f -= len;
}
throw new Exception("rmPolygon::GetPointAlongSurface(), f is not in range!");
}
public override bool IsPointOk(XReal tAreaX, XReal tAreaY)
{
var area = Area;
XReal dist =
XVector2.Distance(
new XVector2(tAreaX, tAreaY),
area.Position
);
XReal distFromEdge = dist - area.Size;
if (XReal.Abs(distFromEdge) > MaxDistance ||
XReal.Abs(distFromEdge) < MinDistance)
{
return(false);
}
return(true);
}
