TestLineRayResult Intersect(Line line, Ray ray)
{
FindLineLine.FindLineLineResult llResult = FindLineLine.Intersect(line, new Line(ray.Origin, ray.Direction));
if (llResult.NumIntersections == 1)
{
// Test whether the line-line intersection is on the ray.
if (llResult.Line1Parameter >= 0)
{
return(new TestLineRayResult(true, 1));
}
else
{
return(new TestLineRayResult(false, 0));
}
}
else
{
return(new TestLineRayResult(llResult.Intersect, llResult.NumIntersections));
}
}
public static FindLineRayResult Intersect(Line line, Ray ray)
{
FindLineRayResult result = new FindLineRayResult();
var llResult = FindLineLine.Intersect(line, new Line(ray.Origin, ray.Direction));
if (llResult.NumIntersections == 1)
{
// Test whether the line-line intersection is on the ray.
if (llResult.Line1Parameter >= 0)
{
result.Intersect = true;
result.NumIntersections = 1;
result.LineParameter = llResult.Line0Parameter;
result.RayParameter = llResult.Line1Parameter;
result.Point = llResult.Point;
}
else
{
result.Intersect = false;
result.NumIntersections = 0;
result.LineParameter = float.NaN;
result.RayParameter = float.NaN;
}
}
else if (llResult.NumIntersections == int.MaxValue)
{
result.Intersect = true;
result.NumIntersections = int.MaxValue;
result.LineParameter = float.PositiveInfinity;
result.RayParameter = float.PositiveInfinity;
}
else
{
result.Intersect = false;
result.NumIntersections = 0;
result.LineParameter = float.NaN;
result.RayParameter = float.NaN;
}
return(result);
}