diff options
Diffstat (limited to 'source/blender/blenkernel/intern/lattice.c')
| -rw-r--r-- | source/blender/blenkernel/intern/lattice.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/source/blender/blenkernel/intern/lattice.c b/source/blender/blenkernel/intern/lattice.c index d371af93bb7..34216e08650 100644 --- a/source/blender/blenkernel/intern/lattice.c +++ b/source/blender/blenkernel/intern/lattice.c @@ -664,16 +664,33 @@ static bool calc_curve_deform( if (is_neg_axis) { index = axis - 3; if (cu->flag & CU_STRETCH) { - fac = -(co[index] - cd->dmax[index]) / (cd->dmax[index] - cd->dmin[index]); + const float divisor = cd->dmax[index] - cd->dmin[index]; + if (LIKELY(divisor > FLT_EPSILON)) { + fac = -(co[index] - cd->dmax[index]) / divisor; + } + else { + fac = 0.0f; + } } else { - fac = -(co[index] - cd->dmax[index]) / (par->runtime.curve_cache->path->totdist); + if (LIKELY(par->runtime.curve_cache->path->totdist > FLT_EPSILON)) { + fac = -(co[index] - cd->dmax[index]) / (par->runtime.curve_cache->path->totdist); + } + else { + fac = 0.0f; + } } } else { index = axis; if (cu->flag & CU_STRETCH) { - fac = (co[index] - cd->dmin[index]) / (cd->dmax[index] - cd->dmin[index]); + const float divisor = cd->dmax[index] - cd->dmin[index]; + if (LIKELY(divisor > FLT_EPSILON)) { + fac = (co[index] - cd->dmin[index]) / divisor; + } + else { + fac = 0.0f; + } } else { if (LIKELY(par->runtime.curve_cache->path->totdist > FLT_EPSILON)) { |