public static bool RayPlaneIntersection(out float t, Ray ray, Plane plane)
{
var dot = Vector3.Dot(ray.Dir, plane.Normal);
if (System.Math.Abs(dot) < JiggleMath.Epsilon)
{
t = 0.0f;
return(false);
}
var dist = Distance.PointPlaneDistance(ray.Origin, plane);
t = -dist / dot;
return(t >= 0.0f);
}
public static bool SegmentPlaneIntersection(out float tS, Segment seg, Plane plane)
{
var denom = Vector3.Dot(plane.Normal, seg.Delta);
if (System.Math.Abs(denom) > JiggleMath.Epsilon)
{
var t = -(Vector3.Dot(plane.Normal, seg.Origin) + plane.D) / denom;
if (t < 0.0f || t > 1.0f)
{
tS = 0.0f;
return(false);
}
tS = t;
return(true);
}
else
{
tS = 0.0f;
return(false);
}
}