message: Fix sphere epsilon edge case where epsilon > radius
  This can occur when the sphere radius is less than 1
diff: @@ -333,10 +333,17 @@ export void SpheresGeometry_set(void *uniform _self
  self->huge_mesh = huge_mesh;
  + // Why a log function?
  self->epsilon = log(self->radius);
  if (self->epsilon < 0.f)
  self->epsilon = -1.f/self->epsilon;
  + // This can occur if the radius is < 1 in some cases, so make sure
  + // epsilon is not too big
  + if (self->epsilon >= self->radius) {
  + self->epsilon = self->radius / 100.0;
  + }
  +
  rtcSetUserData(model->embreeSceneHandle,geomID,self);
  rtcSetBoundsFunction(model->embreeSceneHandle,geomID,
  (uniform RTCBoundsFunc)&Spheres_bounds);
  