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Fix T57103: Subdivide smooth results in NAN verts

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This commit is contained in:
Campbell Barton 2018-10-09 07:47:35 +11:00
parent 7aaeb06fb6
commit da39f10eb7
1 changed files with 17 additions and 16 deletions
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33
source/blender/bmesh/operators/bmo_subdivide.c
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@ -182,15 +182,12 @@ static void interp_slerp_co_no_v3(
/* calculate sphere 'center' */
{
/* use point on plane to */
float plane_a[4], plane_b[4], plane_c[4];
float no_mid[3], no_ortho[3];
/* pass this as an arg instead */
#if 0
float no_dir[3];
#endif
float v_a_no_ortho[3], v_b_no_ortho[3];
add_v3_v3v3(no_mid, no_a, no_b);
normalize_v3(no_mid);
@ -200,24 +197,28 @@ static void interp_slerp_co_no_v3(
#endif
/* axis of slerp */
bool center_ok = false;
cross_v3_v3v3(no_ortho, no_mid, no_dir);
normalize_v3(no_ortho);
if (normalize_v3(no_ortho) != 0.0f) {
float plane_a[4], plane_b[4], plane_c[4];
float v_a_no_ortho[3], v_b_no_ortho[3];
/* create planes */
cross_v3_v3v3(v_a_no_ortho, no_ortho, no_a);
cross_v3_v3v3(v_b_no_ortho, no_ortho, no_b);
project_v3_plane(v_a_no_ortho, no_ortho, v_a_no_ortho);
project_v3_plane(v_b_no_ortho, no_ortho, v_b_no_ortho);
/* create planes */
cross_v3_v3v3(v_a_no_ortho, no_ortho, no_a);
cross_v3_v3v3(v_b_no_ortho, no_ortho, no_b);
project_v3_plane(v_a_no_ortho, no_ortho, v_a_no_ortho);
project_v3_plane(v_b_no_ortho, no_ortho, v_b_no_ortho);
plane_from_point_normal_v3(plane_a, co_a, v_a_no_ortho);
plane_from_point_normal_v3(plane_b, co_b, v_b_no_ortho);
plane_from_point_normal_v3(plane_c, co_b, no_ortho);
plane_from_point_normal_v3(plane_a, co_a, v_a_no_ortho);
plane_from_point_normal_v3(plane_b, co_b, v_b_no_ortho);
plane_from_point_normal_v3(plane_c, co_b, no_ortho);
/* find the sphere center from 3 planes */
if (isect_plane_plane_plane_v3(plane_a, plane_b, plane_c, center)) {
/* pass */
/* find the sphere center from 3 planes */
if (isect_plane_plane_plane_v3(plane_a, plane_b, plane_c, center)) {
center_ok = true;
}
}
else {
if (center_ok == false) {
mid_v3_v3v3(center, co_a, co_b);
}
}