private IntersectionInfo GetFirstIntersection(Ray r)
{
IntersectionInfo result = null;
double distance = Double.MaxValue;
IEnumerator <IGraphicsObject3D> graphicsObjects = scene.GraphicsObjects;
graphicsObjects.Reset();
while (graphicsObjects.MoveNext())
{
IGraphicsObject3D obj = graphicsObjects.Current;
IntersectionInfo info = obj.Intersection(r);
if (info != null)
{
if (VectorOperations.Distance(info.CrossPoint, r.Origin) < distance)
{
distance = VectorOperations.Distance(info.CrossPoint, r.Origin);
result = info;
}
}
}
return(result);
}
public void AddGraphicsObject(IGraphicsObject3D obj)
{
graphicObjects.Add(obj);
}
