public bool DistanceToRay(Ray ray, HitResultPolygon result)
{
bool hit = false;
if (DistanceToRayLocal(ray, result))
{
hit = true;
}
if (Childs.Length == 0)
{
return(hit);
}
var candicates = new List <(OctagonalNode obj, float start)>();
foreach (var node in Childs)
{
if (node.AABB.CalculateTimeToIntersectWithRay(ray, out float start, out float end) && start < result.distance)
{
if (end <= 0)
{
continue;
}
if (result.distance > start)
{
candicates.Add((node, start));
}
}
}
foreach ((var node, float f) in candicates.OrderBy(o => o.start))
{
if (node.DistanceToRay(ray, result))
{
hit = true;
break;
}
}
return(hit);
}
private bool DistanceToRayLocal(Ray ray, HitResultPolygon result)
{
bool hit = false;
for (int i = 0; i < Polygons.Count; i++)
{
var poly_temp = Polygons[i];
float distance = poly_temp.CalculateTimeToIntersectWithRay(ray);
if (result.distance > distance && distance > 0.05 && poly_temp.BarycentricPos(ray, out Vector3 baryPos))
{
hit = true;
result.poly = poly_temp;
result.distance = distance;
result.barycentricPos = baryPos;
}
}
return(hit);
}
public override bool DistanceToRay(Ray ray, HitResult result)
{
var resultPoly = new HitResultPolygon
{
distance = result.distance
};
if (OctagonalNode.DistanceToRay(Ray.Transform(ray, TransformInv), resultPoly))
{
result.distance = resultPoly.distance;
result.normal = resultPoly.poly.normal * TransformInv;
result.uv = resultPoly.poly.CalcUV(resultPoly.barycentricPos);
result.material = Material;
return(true);
}
else
{
return(false);
}
}