forked from bartvdbraak/blender
Fix for recent error, ngons now flipped correctly
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23aa425cd9
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5af1daa2dc
@ -2391,12 +2391,12 @@ int BKE_mesh_recalc_tessellation(
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zero_v3(normal);
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/* calc normal */
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/* calc normal, flipped: to get a positive 2d cross product */
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ml = mloop + mp_loopstart;
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co_prev = mvert[ml[mp_totloop - 1].v].co;
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for (j = 0; j < mp_totloop; j++, ml++) {
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co_curr = mvert[ml->v].co;
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add_newell_cross_v3_v3v3(normal, co_prev, co_curr);
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add_newell_cross_v3_v3v3(normal, co_curr, co_prev);
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co_prev = co_curr;
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}
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if (UNLIKELY(normalize_v3(normal) == 0.0f)) {
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@ -2411,7 +2411,7 @@ int BKE_mesh_recalc_tessellation(
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mul_v2_m3v3(projverts[j], axis_mat, mvert[ml->v].co);
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}
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BLI_polyfill_calc_arena((const float (*)[2])projverts, mp_totloop, -1, tris, arena);
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BLI_polyfill_calc_arena((const float (*)[2])projverts, mp_totloop, 1, tris, arena);
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/* apply fill */
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for (j = 0; j < totfilltri; j++) {
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