raytracing

Visual bug in the raytracer? Question: I do not know if this is a bug or normal behavior, but I am confused by an elongated object in the reflection of a red sphere, what is it? My scene: s = Scene( [ Light( type_=LightType.ambient, intensity=vec3(0.2, 0.2, 0.2) ), Light( type_=LightType.point, intensity=vec3(0.6, 0.6, 0.6), position=vec3(2, 1, …