private SphereObject findHittedSphere(List <SphereObject> sphereLst, Ray ray, out double closest,
double min = 0,
double max = double.PositiveInfinity)
{
closest = Double.PositiveInfinity;
SphereObject closestSphere = null;
foreach (var sphere in sphereLst)
{
if (hit_sphere(sphere.transform.Position, sphere.radius, ray, out float t1, out float t2))
{
if (t1 >= min && t1 <= max && t1 <= closest)
{
closest = t1;
closestSphere = sphere;
}
if (t2 >= min && t2 <= max && t2 <= closest)
{
closest = t2;
closestSphere = sphere;
}
}
}
return(closestSphere);
}
private List <IProgramSceneObject> getSceneObjects(Google.Protobuf.Collections.RepeatedField <SceneObject> sceneObjects)
{
List <IProgramSceneObject> objects = new List <IProgramSceneObject>();
foreach (var obj in sceneObjects)
{
Transform transform = new Transform();
if (obj.Transform.ToString().Length != 0)
{
transform.Position = new Vector3((float)obj.Transform.Position.X, (float)obj.Transform.Position.Y, (float)obj.Transform.Position.Z);
transform.Rotation = new Vector3((float)obj.Transform.Rotation.X, (float)obj.Transform.Rotation.Y, (float)obj.Transform.Rotation.Z);
transform.Scale = new Vector3((float)obj.Transform.Scale.X, (float)obj.Transform.Scale.Y, (float)obj.Transform.Scale.Z);
}
IMaterial material = null;
if (obj.Material.LambertReflection != null)
{
Vector3 color = new Vector3((float)obj.Material.LambertReflection.Color.R,
(float)obj.Material.LambertReflection.Color.G,
(float)obj.Material.LambertReflection.Color.B);
material = new LambertMaterial(color);
}
else if (obj.Material.SpecularReflection.ToString().Length != 0)
{
material = new SpecReflMaterial((float)obj.Material.SpecularReflection.Eta);
}
if (obj.MeshedObject != null)
{
MeshObject newSceneObj = new MeshObject();
newSceneObj.material = material;
newSceneObj.transform = transform;
newSceneObj.filePath = obj.MeshedObject.Reference;
objects.Add(newSceneObj);
}
else if (obj.Sphere.ToString().Length != 0)
{
SphereObject newSceneObj = new SphereObject();
newSceneObj.material = material;
newSceneObj.transform = transform;
newSceneObj.radius = (float)obj.Sphere.Radius;
objects.Add(newSceneObj);
}
}
return(objects);
}