diff options
Diffstat (limited to 'source/blender/blenkernel/intern/cloth.c')
| -rw-r--r-- | source/blender/blenkernel/intern/cloth.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/source/blender/blenkernel/intern/cloth.c b/source/blender/blenkernel/intern/cloth.c index 09bd397cc78..0fa58a74f2b 100644 --- a/source/blender/blenkernel/intern/cloth.c +++ b/source/blender/blenkernel/intern/cloth.c @@ -96,7 +96,7 @@ static BVHTree *bvhtree_build_from_cloth(ClothModifierData *clmd, float epsilon) return NULL; } - /* create quadtree with k=26 */ + /* Create quad-tree with k=26. */ BVHTree *bvhtree = BLI_bvhtree_new(cloth->primitive_num, epsilon, 4, 26); /* fill tree */ @@ -262,17 +262,19 @@ static bool do_init_cloth(Object *ob, ClothModifierData *clmd, Mesh *result, int static int do_step_cloth( Depsgraph *depsgraph, Object *ob, ClothModifierData *clmd, Mesh *result, int framenr) { + /* simulate 1 frame forward */ ClothVertex *verts = NULL; Cloth *cloth; ListBase *effectors = NULL; MVert *mvert; unsigned int i = 0; int ret = 0; + bool vert_mass_changed = false; - /* simulate 1 frame forward */ cloth = clmd->clothObject; verts = cloth->verts; mvert = result->mvert; + vert_mass_changed = verts->mass != clmd->sim_parms->mass; /* force any pinned verts to their constrained location. */ for (i = 0; i < clmd->clothObject->mvert_num; i++, verts++) { @@ -283,6 +285,11 @@ static int do_step_cloth( /* Get the current position. */ copy_v3_v3(verts->xconst, mvert[i].co); mul_m4_v3(ob->obmat, verts->xconst); + + if (vert_mass_changed) { + verts->mass = clmd->sim_parms->mass; + SIM_mass_spring_set_implicit_vertex_mass(cloth->implicit, i, verts->mass); + } } effectors = BKE_effectors_create(depsgraph, ob, NULL, clmd->sim_parms->effector_weights, false); @@ -597,7 +604,7 @@ static void cloth_to_object(Object *ob, ClothModifierData *clmd, float (*vertexC Cloth *cloth = clmd->clothObject; if (clmd->clothObject) { - /* inverse matrix is not uptodate... */ + /* Inverse matrix is not up to date. */ invert_m4_m4(ob->imat, ob->obmat); for (i = 0; i < cloth->mvert_num; i++) { @@ -991,7 +998,7 @@ static void cloth_hair_update_bending_targets(ClothModifierData *clmd) return; } - /* XXX Note: we need to propagate frames from the root up, + /* XXX NOTE: we need to propagate frames from the root up, * but structural hair springs are stored in reverse order. * The bending springs however are then inserted in the same * order as vertices again ... @@ -1049,7 +1056,7 @@ static void cloth_hair_update_bending_rest_targets(ClothModifierData *clmd) return; } - /* XXX Note: we need to propagate frames from the root up, + /* XXX NOTE: we need to propagate frames from the root up, * but structural hair springs are stored in reverse order. * The bending springs however are then inserted in the same * order as vertices again ... @@ -1883,7 +1890,7 @@ static bool cloth_build_springs(ClothModifierData *clmd, Mesh *mesh) cloth_hair_update_bending_rest_targets(clmd); } - /* note: the edges may already exist so run reinsert */ + /* NOTE: the edges may already exist so run reinsert. */ /* insert other near springs in edgeset AFTER bending springs are calculated (for selfcolls) */ for (int i = 0; i < numedges; i++) { /* struct springs */ |