Yes it was intentional (if i recall correctly) its only used to calculate bv_indexs (only signal matters) and then its used on raycasting against BB but by using code that deals well with that.
On 3 February 2010 14:28, Campbell Barton <[email protected]> wrote: > noticed RE_rayobject_raycast will often divide by zero, perhaps this > is ok but seems like it could lead to problems, > is this intentional? > > ---- rayobject.cpp:383 > isec->idot_axis[i] = 1.0f / isec->vec[i]; > ---- > > int RE_rayobject_raycast(RayObject *r, Isect *isec) > { > int i; > RE_RC_COUNT(isec->raycounter->raycast.test); > > /* Setup vars used on raycast */ > isec->dist = len_v3(isec->vec); > > for(i=0; i<3; i++) > { > isec->idot_axis[i] = 1.0f / isec->vec[i]; > > isec->bv_index[2*i] = isec->idot_axis[i] < 0.0 ? > 1 : 0; > isec->bv_index[2*i+1] = 1 - isec->bv_index[2*i]; > > isec->bv_index[2*i] = i+3*isec->bv_index[2*i]; > isec->bv_index[2*i+1] = i+3*isec->bv_index[2*i+1]; > } > > -- > - Campbell > _______________________________________________ > Bf-committers mailing list > [email protected] > http://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
