From ab4b7b5368c0dc3b3d6dbc9a63a45f8efc841d80 Mon Sep 17 00:00:00 2001 From: Luca Rood Date: Fri, 9 Jun 2017 09:56:19 +0200 Subject: Fix T51648: Inconsistent edge collapse point depending on orientation Edge collapse was using bounding box center as the point to collapse to. When collapsing multiple adjacent edges together, this caused inconsistencies in placement of the collapsed point, depending on the orientation of the edges in relation to the space axis. This makes edge collapse use the mean point instead. --- source/blender/bmesh/operators/bmo_removedoubles.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'source') diff --git a/source/blender/bmesh/operators/bmo_removedoubles.c b/source/blender/bmesh/operators/bmo_removedoubles.c index 18704a6679f..7d19d90807a 100644 --- a/source/blender/bmesh/operators/bmo_removedoubles.c +++ b/source/blender/bmesh/operators/bmo_removedoubles.c @@ -440,20 +440,24 @@ void bmo_collapse_exec(BMesh *bm, BMOperator *op) edge_stack = BLI_stack_new(sizeof(BMEdge *), __func__); BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) { - float min[3], max[3], center[3]; + float center[3]; + int count = 0; BMVert *v_tar; + zero_v3(center); + if (!BMO_edge_flag_test(bm, e, EDGE_MARK)) continue; BLI_assert(BLI_stack_is_empty(edge_stack)); - INIT_MINMAX(min, max); for (e = BMW_begin(&walker, e->v1); e; e = BMW_step(&walker)) { BLI_stack_push(edge_stack, &e); - minmax_v3v3_v3(min, max, e->v1->co); - minmax_v3v3_v3(min, max, e->v2->co); + add_v3_v3(center, e->v1->co); + add_v3_v3(center, e->v2->co); + + count += 2; /* prevent adding to slot_targetmap multiple times */ BM_elem_flag_disable(e->v1, BM_ELEM_TAG); @@ -461,8 +465,7 @@ void bmo_collapse_exec(BMesh *bm, BMOperator *op) } if (!BLI_stack_is_empty(edge_stack)) { - - mid_v3_v3v3(center, min, max); + mul_v3_fl(center, 1.0f / count); /* snap edges to a point. for initial testing purposes anyway */ e = *(BMEdge **)BLI_stack_peek(edge_stack); -- cgit v1.2.3