public int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom)
{
// check if first ray hits bounding box
if (rayBundle.rayArray[rayIndexToStartCheckingFrom].Intersection(Aabb))
{
return(rayIndexToStartCheckingFrom);
}
int count = rayBundle.rayArray.Length;
// check if all bundle misses
if (!rayBundle.CheckIfBundleHitsAabb(Aabb))
{
return(-1);
}
// check each ray until one hits or all miss
for (int i = rayIndexToStartCheckingFrom + 1; i < count; i++)
{
if (rayBundle.rayArray[i].Intersection(Aabb))
{
return(i);
}
}
return(-1);
}
public void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
var intersection = GetClosestIntersection(rayBundle.rayArray[rayIndexToStartCheckingFrom]);
if (intersection == null)
{
intersectionsForBundle[rayIndexToStartCheckingFrom].hitType = IntersectionType.None;
}
}
public void TracePrimaryRayBundle(RayBundle rayBundle, IntersectInfo[] intersectionsForBundle, Scene scene)
{
if (scene.shapes.Count != 1)
{
throw new Exception("You can only trace a ray bundle into a single shape, usually a BoundingVolumeHierachy.");
}
scene.shapes[0].GetClosestIntersections(rayBundle, 0, intersectionsForBundle);
}
public void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
int startRayIndex = FindFirstRay(rayBundle, rayIndexToStartCheckingFrom);
if (startRayIndex != -1)
{
IPrimitive checkFirst = nodeA;
IPrimitive checkSecond = nodeB;
if (rayBundle.rayArray[startRayIndex].directionNormal[splittingPlane] < 0)
{
checkFirst = nodeB;
checkSecond = nodeA;
}
checkFirst.GetClosestIntersections(rayBundle, startRayIndex, intersectionsForBundle);
if (checkSecond != null)
{
checkSecond.GetClosestIntersections(rayBundle, startRayIndex, intersectionsForBundle);
}
}
}
public void FullyTraceRayBundle(RayBundle rayBundle, IntersectInfo[] intersectionsForBundle, Scene scene)
{
TracePrimaryRayBundle(rayBundle, intersectionsForBundle, scene);
for (int i = 0; i < rayBundle.rayArray.Length; i++)
{
try
{
IntersectInfo primaryInfo = TracePrimaryRay(rayBundle.rayArray[i], scene);
if (intersectionsForBundle[i].HitType != IntersectionType.None)
{
intersectionsForBundle[i].TotalColor = CreateAndTraceSecondaryRays(primaryInfo, rayBundle.rayArray[i], scene, 0);
}
else
{
intersectionsForBundle[i].TotalColor = scene.background.Color;
}
}
catch
{
}
}
}
public override int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom)
{
throw new NotImplementedException();
}
public void TracePrimaryRayBundle(RayBundle rayBundle, IntersectInfo[] intersectionsForBundle, Scene scene)
{
if (scene.shapes.Count != 1)
{
throw new Exception("You can only trace a ray bundle into a sigle shape, usually a BoundingVolumeHierachy.");
}
scene.shapes[0].GetClosestIntersections(rayBundle, 0, intersectionsForBundle);
}
public virtual void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
throw new NotImplementedException("Implement this for the class you want.");
}
public virtual void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
throw new NotImplementedException("Implement this for the class you want.");
}
public abstract int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom);
public void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
int startRayIndex = FindFirstRay(rayBundle, rayIndexToStartCheckingFrom);
if (startRayIndex != -1)
{
IPrimitive checkFirst = nodeA;
IPrimitive checkSecond = nodeB;
if (rayBundle.rayArray[startRayIndex].directionNormal[splitingPlane] < 0)
{
checkFirst = nodeB;
checkSecond = nodeA;
}
checkFirst.GetClosestIntersections(rayBundle, startRayIndex, intersectionsForBundle);
if (checkSecond != null)
{
checkSecond.GetClosestIntersections(rayBundle, startRayIndex, intersectionsForBundle);
}
}
}
public int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom)
{
// check if first ray hits bounding box
if (rayBundle.rayArray[rayIndexToStartCheckingFrom].Intersection(Aabb))
{
return rayIndexToStartCheckingFrom;
}
int count = rayBundle.rayArray.Length;
// check if all bundle misses
if (!rayBundle.CheckIfBundleHitsAabb(Aabb))
{
return -1;
}
// check each ray until one hits or all miss
for (int i = rayIndexToStartCheckingFrom + 1; i < count; i++)
{
if (rayBundle.rayArray[i].Intersection(Aabb))
{
return i;
}
}
return -1;
}
public void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
intersectionsForBundle[rayIndexToStartCheckingFrom] = GetClosestIntersection(rayBundle.rayArray[rayIndexToStartCheckingFrom]);
}
public override void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
throw new NotImplementedException();
}
public void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
intersectionsForBundle[rayIndexToStartCheckingFrom] = GetClosestIntersection(rayBundle.rayArray[rayIndexToStartCheckingFrom]);
}
public abstract int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom);
public override void GetClosestIntersections(RayBundle rayBundle, int rayIndexToStartCheckingFrom, IntersectInfo[] intersectionsForBundle)
{
throw new NotImplementedException();
}
public override int FindFirstRay(RayBundle rayBundle, int rayIndexToStartCheckingFrom)
{
throw new NotImplementedException();
}
public void FullyTraceRayBundle(RayBundle rayBundle, IntersectInfo[] intersectionsForBundle, Scene scene)
{
TracePrimaryRayBundle(rayBundle, intersectionsForBundle, scene);
for (int i = 0; i < rayBundle.rayArray.Length; i++)
{
IntersectInfo primaryInfo = TracePrimaryRay(rayBundle.rayArray[i], scene);
if (intersectionsForBundle[i].hitType != IntersectionType.None)
{
intersectionsForBundle[i].totalColor = CreateAndTraceSecondaryRays(primaryInfo, rayBundle.rayArray[i], scene, 0);
}
intersectionsForBundle[i].totalColor = scene.background.Color;
}
}
