diff options
Diffstat (limited to 'source/blender/blenkernel/intern/cloth.c')
| -rw-r--r-- | source/blender/blenkernel/intern/cloth.c | 417 |
1 files changed, 326 insertions, 91 deletions
diff --git a/source/blender/blenkernel/intern/cloth.c b/source/blender/blenkernel/intern/cloth.c index 54236785509..ce723d4a7f2 100644 --- a/source/blender/blenkernel/intern/cloth.c +++ b/source/blender/blenkernel/intern/cloth.c @@ -68,6 +68,12 @@ static void cloth_update_spring_lengths( ClothModifierData *clmd, Mesh *mesh ); static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ); static void cloth_apply_vgroup ( ClothModifierData *clmd, Mesh *mesh ); +typedef struct BendSpringRef { + int index; + int polys; + ClothSpring *spring; +} BendSpringRef; + /****************************************************************************** * * External interface called by modifier.c clothModifier functions. @@ -536,6 +542,9 @@ void cloth_free_modifier(ClothModifierData *clmd ) while (search) { ClothSpring *spring = search->link; + MEM_SAFE_FREE(spring->pa); + MEM_SAFE_FREE(spring->pb); + MEM_freeN ( spring ); search = search->next; } @@ -602,6 +611,9 @@ void cloth_free_modifier_extern(ClothModifierData *clmd ) while (search) { ClothSpring *spring = search->link; + MEM_SAFE_FREE(spring->pa); + MEM_SAFE_FREE(spring->pb); + MEM_freeN ( spring ); search = search->next; } @@ -961,13 +973,16 @@ static void cloth_free_edgelist(LinkNodePair *edgelist, unsigned int mvert_num) } } -static void cloth_free_errorsprings(Cloth *cloth, LinkNodePair *edgelist) +static void cloth_free_errorsprings(Cloth *cloth, LinkNodePair *edgelist, BendSpringRef *spring_ref) { if ( cloth->springs != NULL ) { LinkNode *search = cloth->springs; while (search) { ClothSpring *spring = search->link; + MEM_SAFE_FREE(spring->pa); + MEM_SAFE_FREE(spring->pb); + MEM_freeN ( spring ); search = search->next; } @@ -978,12 +993,49 @@ static void cloth_free_errorsprings(Cloth *cloth, LinkNodePair *edgelist) cloth_free_edgelist(edgelist, cloth->mvert_num); + MEM_SAFE_FREE(spring_ref); + if (cloth->edgeset) { BLI_edgeset_free(cloth->edgeset); cloth->edgeset = NULL; } } +BLI_INLINE void cloth_bend_poly_dir(ClothVertex *verts, int i, int j, int *inds, int len, float r_dir[3]) +{ + float cent[3] = {0}; + float fact = 1.0f / len; + + for (int x = 0; x < len; x++) { + madd_v3_v3fl(cent, verts[inds[x]].xrest, fact); + } + + normal_tri_v3(r_dir, verts[i].xrest, verts[j].xrest, cent); +} + +static float cloth_spring_angle(ClothVertex *verts, int i, int j, int *i_a, int *i_b, int len_a, int len_b) +{ + float dir_a[3], dir_b[3]; + float tmp[3], vec_e[3]; + float sin, cos; + + /* Poly vectors. */ + cloth_bend_poly_dir(verts, j, i, i_a, len_a, dir_a); + cloth_bend_poly_dir(verts, i, j, i_b, len_b, dir_b); + + /* Edge vector. */ + sub_v3_v3v3(vec_e, verts[i].xrest, verts[j].xrest); + normalize_v3(vec_e); + + /* Compute angle. */ + cos = dot_v3v3(dir_a, dir_b); + + cross_v3_v3v3(tmp, dir_a, dir_b); + sin = dot_v3v3(tmp, vec_e); + + return atan2f(sin, cos); +} + static void cloth_hair_update_bending_targets(ClothModifierData *clmd) { Cloth *cloth = clmd->clothObject; @@ -1008,7 +1060,7 @@ static void cloth_hair_update_bending_targets(ClothModifierData *clmd) ClothHairData *hair_ij, *hair_kl; bool is_root = spring->kl != prev_mn; - if (spring->type != CLOTH_SPRING_TYPE_BENDING_ANG) { + if (spring->type != CLOTH_SPRING_TYPE_BENDING_HAIR) { continue; } @@ -1083,7 +1135,7 @@ static void cloth_hair_update_bending_rest_targets(ClothModifierData *clmd) ClothHairData *hair_ij, *hair_kl; bool is_root = spring->kl != prev_mn; - if (spring->type != CLOTH_SPRING_TYPE_BENDING_ANG) { + if (spring->type != CLOTH_SPRING_TYPE_BENDING_HAIR) { continue; } @@ -1123,18 +1175,24 @@ static void cloth_update_springs( ClothModifierData *clmd ) while (search) { ClothSpring *spring = search->link; - spring->stiffness = 0.0f; + spring->lin_stiffness = 0.0f; + + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + if (spring->type & CLOTH_SPRING_TYPE_BENDING) { + spring->ang_stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; + } + } - if (spring->type == CLOTH_SPRING_TYPE_STRUCTURAL) { - spring->stiffness = (cloth->verts[spring->kl].struct_stiff + cloth->verts[spring->ij].struct_stiff) / 2.0f; + if (spring->type & CLOTH_SPRING_TYPE_STRUCTURAL) { + spring->lin_stiffness = (cloth->verts[spring->kl].struct_stiff + cloth->verts[spring->ij].struct_stiff) / 2.0f; } - else if (spring->type == CLOTH_SPRING_TYPE_SHEAR) { - spring->stiffness = (cloth->verts[spring->kl].shear_stiff + cloth->verts[spring->ij].shear_stiff) / 2.0f; + else if (spring->type & CLOTH_SPRING_TYPE_SHEAR) { + spring->lin_stiffness = (cloth->verts[spring->kl].shear_stiff + cloth->verts[spring->ij].shear_stiff) / 2.0f; } else if (spring->type == CLOTH_SPRING_TYPE_BENDING) { - spring->stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; + spring->lin_stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; } - else if (spring->type == CLOTH_SPRING_TYPE_BENDING_ANG) { + else if (spring->type == CLOTH_SPRING_TYPE_BENDING_HAIR) { ClothVertex *v1 = &cloth->verts[spring->ij]; ClothVertex *v2 = &cloth->verts[spring->kl]; if (clmd->hairdata) { @@ -1142,7 +1200,7 @@ static void cloth_update_springs( ClothModifierData *clmd ) v1->bend_stiff = clmd->hairdata[spring->ij].bending_stiffness; v2->bend_stiff = clmd->hairdata[spring->kl].bending_stiffness; } - spring->stiffness = (v1->bend_stiff + v2->bend_stiff) / 2.0f; + spring->lin_stiffness = (v1->bend_stiff + v2->bend_stiff) / 2.0f; } else if (spring->type == CLOTH_SPRING_TYPE_GOAL) { /* Warning: Appending NEW goal springs does not work because implicit solver would need reset! */ @@ -1197,16 +1255,23 @@ static void cloth_update_spring_lengths( ClothModifierData *clmd, Mesh *mesh ) while (search) { ClothSpring *spring = search->link; - if ( spring->type != CLOTH_SPRING_TYPE_SEWING ) { - if ( spring->type & (CLOTH_SPRING_TYPE_STRUCTURAL | CLOTH_SPRING_TYPE_SHEAR | CLOTH_SPRING_TYPE_BENDING) ) + if (spring->type != CLOTH_SPRING_TYPE_SEWING) { + if (spring->type & (CLOTH_SPRING_TYPE_STRUCTURAL | CLOTH_SPRING_TYPE_SHEAR | CLOTH_SPRING_TYPE_BENDING)) { shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); - else + } + else { shrink_factor = 1.0f; + } spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; + + if (spring->type & CLOTH_SPRING_TYPE_BENDING) { + spring->restang = cloth_spring_angle(cloth->verts, spring->ij, spring->kl, + spring->pa, spring->pb, spring->la, spring->lb); + } } - if ( spring->type == CLOTH_SPRING_TYPE_STRUCTURAL ) { + if (spring->type & CLOTH_SPRING_TYPE_STRUCTURAL) { clmd->sim_parms->avg_spring_len += spring->restlen; cloth->verts[spring->ij].avg_spring_len += spring->restlen; cloth->verts[spring->kl].avg_spring_len += spring->restlen; @@ -1216,12 +1281,14 @@ static void cloth_update_spring_lengths( ClothModifierData *clmd, Mesh *mesh ) search = search->next; } - if (struct_springs > 0) + if (struct_springs > 0) { clmd->sim_parms->avg_spring_len /= struct_springs; + } for (i = 0; i < mvert_num; i++) { - if (cloth->verts[i].spring_count > 0) + if (cloth->verts[i].spring_count > 0) { cloth->verts[i].avg_spring_len = cloth->verts[i].avg_spring_len * 0.49f / ((float)cloth->verts[i].spring_count); + } } } @@ -1260,12 +1327,103 @@ void cloth_parallel_transport_hair_frame(float mat[3][3], const float dir_old[3] mul_m3_m3m3(mat, rot, mat); } +/* Add a shear and a bend spring between two verts within a poly. */ +static bool cloth_add_shear_bend_spring(ClothModifierData *clmd, LinkNodePair *edgelist, + const MLoop *mloop, const MPoly *mpoly, int i, int j, int k) +{ + Cloth *cloth = clmd->clothObject; + ClothSpring *spring; + const MLoop *tmp_loop; + float shrink_factor; + int x, y; + + /* Combined shear/bend properties. */ + spring = (ClothSpring *)MEM_callocN(sizeof(ClothSpring), "cloth spring"); + + if (!spring) { + return false; + } + + spring_verts_ordered_set(spring, + mloop[mpoly[i].loopstart + j].v, + mloop[mpoly[i].loopstart + k].v); + + shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); + spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; + spring->type |= CLOTH_SPRING_TYPE_SHEAR; + spring->lin_stiffness = (cloth->verts[spring->kl].shear_stiff + cloth->verts[spring->ij].shear_stiff) / 2.0f; + + if (edgelist) { + BLI_linklist_append(&edgelist[spring->ij], spring); + BLI_linklist_append(&edgelist[spring->kl], spring); + } + + /* Bending specific properties. */ + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + spring->type |= CLOTH_SPRING_TYPE_BENDING; + + spring->la = k - j + 1; + spring->lb = mpoly[i].totloop - k + j + 1; + + spring->pa = MEM_mallocN(sizeof(*spring->pa) * spring->la, "spring poly"); + if (!spring->pa) { + return false; + } + + spring->pb = MEM_mallocN(sizeof(*spring->pb) * spring->lb, "spring poly"); + if (!spring->pb) { + return false; + } + + tmp_loop = mloop + mpoly[i].loopstart; + + for (x = 0; x < spring->la; x++) { + spring->pa[x] = tmp_loop[j + x].v; + } + + for (x = 0; x <= j; x++) { + spring->pb[x] = tmp_loop[x].v; + } + + for (y = k; y < mpoly[i].totloop; x++, y++) { + spring->pb[x] = tmp_loop[y].v; + } + + spring->mn = -1; + + spring->restang = cloth_spring_angle(cloth->verts, spring->ij, spring->kl, + spring->pa, spring->pb, spring->la, spring->lb); + + spring->ang_stiffness = (cloth->verts[spring->ij].bend_stiff + cloth->verts[spring->kl].bend_stiff) / 2.0f; + } + + BLI_linklist_prepend(&cloth->springs, spring); + + return true; +} + +BLI_INLINE bool cloth_bend_set_poly_vert_array(int **poly, int len, const MLoop *mloop) +{ + int *p = MEM_mallocN(sizeof(int) * len, "spring poly"); + + if (!p) { + return false; + } + + for (int i = 0; i < len; i++, mloop++) { + p[i] = mloop->v; + } + + *poly = p; + + return true; +} + static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) { Cloth *cloth = clmd->clothObject; ClothSpring *spring = NULL, *tspring = NULL, *tspring2 = NULL; unsigned int struct_springs = 0, shear_springs=0, bend_springs = 0, struct_springs_real = 0; - unsigned int i = 0; unsigned int mvert_num = (unsigned int)mesh->totvert; unsigned int numedges = (unsigned int)mesh->totedge; unsigned int numpolys = (unsigned int)mesh->totpoly; @@ -1274,9 +1432,10 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) const MPoly *mpoly = mesh->mpoly; const MLoop *mloop = mesh->mloop; int index2 = 0; // our second vertex index - LinkNodePair *edgelist; + LinkNodePair *edgelist = NULL; EdgeSet *edgeset = NULL; LinkNode *search = NULL, *search2 = NULL; + BendSpringRef *spring_ref = NULL; // error handling if ( numedges==0 ) @@ -1290,13 +1449,23 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) cloth->springs = NULL; cloth->edgeset = NULL; - edgelist = MEM_callocN(sizeof(*edgelist) * mvert_num, "cloth_edgelist_alloc" ); + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + spring_ref = MEM_callocN(sizeof(*spring_ref) * numedges, "temp bend spring reference"); - if (!edgelist) - return 0; + if (!spring_ref) { + return 0; + } + } + else { + edgelist = MEM_callocN(sizeof(*edgelist) * mvert_num, "cloth_edgelist_alloc" ); + + if (!edgelist) { + return 0; + } + } - // structural springs - for ( i = 0; i < numedges; i++ ) { + /* Structural springs. */ + for (int i = 0; i < numedges; i++) { spring = (ClothSpring *)MEM_callocN ( sizeof ( ClothSpring ), "cloth spring" ); if ( spring ) { @@ -1304,13 +1473,13 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) if (clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_SEW && medge[i].flag & ME_LOOSEEDGE) { // handle sewing (loose edges will be pulled together) spring->restlen = 0.0f; - spring->stiffness = 1.0f; + spring->lin_stiffness = 1.0f; spring->type = CLOTH_SPRING_TYPE_SEWING; } else { shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; - spring->stiffness = (cloth->verts[spring->kl].struct_stiff + cloth->verts[spring->ij].struct_stiff) / 2.0f; + spring->lin_stiffness = (cloth->verts[spring->kl].struct_stiff + cloth->verts[spring->ij].struct_stiff) / 2.0f; spring->type = CLOTH_SPRING_TYPE_STRUCTURAL; clmd->sim_parms->avg_spring_len += spring->restlen; @@ -1325,9 +1494,13 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) struct_springs++; BLI_linklist_prepend ( &cloth->springs, spring ); + + if (spring_ref) { + spring_ref[i].spring = spring; + } } else { - cloth_free_errorsprings(cloth, edgelist); + cloth_free_errorsprings(cloth, edgelist, spring_ref); return 0; } } @@ -1335,86 +1508,147 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) if (struct_springs_real > 0) clmd->sim_parms->avg_spring_len /= struct_springs_real; - for (i = 0; i < mvert_num; i++) { + for (int i = 0; i < mvert_num; i++) { if (cloth->verts[i].spring_count > 0) cloth->verts[i].avg_spring_len = cloth->verts[i].avg_spring_len * 0.49f / ((float)cloth->verts[i].spring_count); } - // shear springs - for (i = 0; i < numpolys; i++) { - /* triangle faces already have shear springs due to structural geometry */ - if (mpoly[i].totloop == 4) { - int j; + edgeset = BLI_edgeset_new_ex(__func__, numedges); + cloth->edgeset = edgeset; + + if (numpolys) { + for (int i = 0; i < numpolys; i++) { + /* Shear springs. */ + /* Triangle faces already have shear springs due to structural geometry. */ + if (mpoly[i].totloop > 3) { + for (int j = 1; j < mpoly[i].totloop - 1; j++) { + if (j > 1) { + if (cloth_add_shear_bend_spring(clmd, edgelist, mloop, mpoly, i, 0, j)) { + shear_springs++; + + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + bend_springs++; + } + } + else { + cloth_free_errorsprings(cloth, edgelist, spring_ref); + return 0; + } + } - for (j = 0; j != 2; j++) { - spring = (ClothSpring *)MEM_callocN(sizeof(ClothSpring), "cloth spring"); + for (int k = j + 2; k < mpoly[i].totloop; k++) { + if (cloth_add_shear_bend_spring(clmd, edgelist, mloop, mpoly, i, j, k)) { + shear_springs++; - if (!spring) { - cloth_free_errorsprings(cloth, edgelist); - return 0; + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + bend_springs++; + } + } + else { + cloth_free_errorsprings(cloth, edgelist, spring_ref); + return 0; + } + } } + } - spring_verts_ordered_set( - spring, - mloop[mpoly[i].loopstart + (j + 0)].v, - mloop[mpoly[i].loopstart + (j + 2)].v); + /* Angular bending springs along struct springs. */ + if (clmd->sim_parms->bending_model == CLOTH_BENDING_ANGULAR) { + const MLoop *ml = mloop + mpoly[i].loopstart; - shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); - spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; - spring->type = CLOTH_SPRING_TYPE_SHEAR; - spring->stiffness = (cloth->verts[spring->kl].shear_stiff + cloth->verts[spring->ij].shear_stiff) / 2.0f; + for (int j = 0; j < mpoly[i].totloop; j++, ml++) { + BendSpringRef *curr_ref = &spring_ref[ml->e]; + curr_ref->polys++; + + /* First poly found for this edge, store poly index. */ + if (curr_ref->polys == 1) { + curr_ref->index = i; + } + /* Second poly found for this egde, add bending data. */ + else if (curr_ref->polys == 2) { + spring = curr_ref->spring; + + spring->type |= CLOTH_SPRING_TYPE_BENDING; + + spring->la = mpoly[curr_ref->index].totloop; + spring->lb = mpoly[i].totloop; + + if (!cloth_bend_set_poly_vert_array(&spring->pa, spring->la, &mloop[mpoly[curr_ref->index].loopstart]) || + !cloth_bend_set_poly_vert_array(&spring->pb, spring->lb, &mloop[mpoly[i].loopstart])) + { + cloth_free_errorsprings(cloth, edgelist, spring_ref); + return 0; + } + + spring->mn = ml->e; - BLI_linklist_append(&edgelist[spring->ij], spring); - BLI_linklist_append(&edgelist[spring->kl], spring); + spring->restang = cloth_spring_angle(cloth->verts, spring->ij, spring->kl, + spring->pa, spring->pb, spring->la, spring->lb); - shear_springs++; + spring->ang_stiffness = (cloth->verts[spring->ij].bend_stiff + cloth->verts[spring->kl].bend_stiff) / 2.0f; - BLI_linklist_prepend(&cloth->springs, spring); + bend_springs++; + } + /* Third poly found for this egde, remove bending data. */ + else if (curr_ref->polys == 3) { + spring = curr_ref->spring; + + spring->type &= ~CLOTH_SPRING_TYPE_BENDING; + MEM_freeN(spring->pa); + MEM_freeN(spring->pb); + spring->pa = NULL; + spring->pb = NULL; + + bend_springs--; + } + } } } - } - edgeset = BLI_edgeset_new_ex(__func__, numedges); - cloth->edgeset = edgeset; + /* Linear bending springs. */ + if (clmd->sim_parms->bending_model == CLOTH_BENDING_LINEAR) { + search2 = cloth->springs; - if (numpolys) { - // bending springs - search2 = cloth->springs; - for ( i = struct_springs; i < struct_springs+shear_springs; i++ ) { - if ( !search2 ) - break; + for (int i = struct_springs; i < struct_springs+shear_springs; i++) { + if (!search2) { + break; + } - tspring2 = search2->link; - search = edgelist[tspring2->kl].list; - while ( search ) { - tspring = search->link; - index2 = ( ( tspring->ij==tspring2->kl ) ? ( tspring->kl ) : ( tspring->ij ) ); + tspring2 = search2->link; + search = edgelist[tspring2->kl].list; + + while (search) { + tspring = search->link; + index2 = ((tspring->ij == tspring2->kl) ? (tspring->kl) : (tspring->ij)); + + /* Check for existing spring. */ + /* Check also if startpoint is equal to endpoint. */ + if ((index2 != tspring2->ij) && + !BLI_edgeset_haskey(edgeset, tspring2->ij, index2)) + { + spring = (ClothSpring *)MEM_callocN(sizeof(ClothSpring), "cloth spring"); + + if (!spring) { + cloth_free_errorsprings(cloth, edgelist, spring_ref); + return 0; + } - // check for existing spring - // check also if startpoint is equal to endpoint - if ((index2 != tspring2->ij) && - !BLI_edgeset_haskey(edgeset, tspring2->ij, index2)) - { - spring = (ClothSpring *)MEM_callocN ( sizeof ( ClothSpring ), "cloth spring" ); + spring_verts_ordered_set(spring, tspring2->ij, index2); + shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); + spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; + spring->type = CLOTH_SPRING_TYPE_BENDING; + spring->lin_stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; + BLI_edgeset_insert(edgeset, spring->ij, spring->kl); + bend_springs++; - if (!spring) { - cloth_free_errorsprings(cloth, edgelist); - return 0; + BLI_linklist_prepend(&cloth->springs, spring); } - spring_verts_ordered_set(spring, tspring2->ij, index2); - shrink_factor = cloth_shrink_factor(clmd, cloth->verts, spring->ij, spring->kl); - spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest) * shrink_factor; - spring->type = CLOTH_SPRING_TYPE_BENDING; - spring->stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; - BLI_edgeset_insert(edgeset, spring->ij, spring->kl); - bend_springs++; - - BLI_linklist_prepend ( &cloth->springs, spring ); + search = search->next; } - search = search->next; + + search2 = search2->next; } - search2 = search2->next; } } else if (struct_springs > 2) { @@ -1429,7 +1663,7 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) spring = (ClothSpring *)MEM_callocN ( sizeof ( ClothSpring ), "cloth spring" ); if (!spring) { - cloth_free_errorsprings(cloth, edgelist); + cloth_free_errorsprings(cloth, edgelist, spring_ref); return 0; } @@ -1437,8 +1671,8 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) spring->kl = tspring->ij; spring->mn = tspring->kl; spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest); - spring->type = CLOTH_SPRING_TYPE_BENDING_ANG; - spring->stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; + spring->type = CLOTH_SPRING_TYPE_BENDING_HAIR; + spring->lin_stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; bend_springs++; BLI_linklist_prepend ( &cloth->springs, spring ); @@ -1466,7 +1700,7 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) spring = (ClothSpring *)MEM_callocN ( sizeof ( ClothSpring ), "cloth spring" ); if (!spring) { - cloth_free_errorsprings(cloth, edgelist); + cloth_free_errorsprings(cloth, edgelist, spring_ref); return 0; } @@ -1474,7 +1708,7 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) spring->kl = tspring->kl; spring->restlen = len_v3v3(cloth->verts[spring->kl].xrest, cloth->verts[spring->ij].xrest); spring->type = CLOTH_SPRING_TYPE_BENDING; - spring->stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; + spring->lin_stiffness = (cloth->verts[spring->kl].bend_stiff + cloth->verts[spring->ij].bend_stiff) / 2.0f; bend_springs++; BLI_linklist_prepend ( &cloth->springs, spring ); @@ -1491,17 +1725,18 @@ static int cloth_build_springs ( ClothModifierData *clmd, Mesh *mesh ) /* note: the edges may already exist so run reinsert */ /* insert other near springs in edgeset AFTER bending springs are calculated (for selfcolls) */ - for (i = 0; i < numedges; i++) { /* struct springs */ + for (int i = 0; i < numedges; i++) { /* struct springs */ BLI_edgeset_add(edgeset, medge[i].v1, medge[i].v2); } - for (i = 0; i < numpolys; i++) { /* edge springs */ + for (int i = 0; i < numpolys; i++) { /* edge springs */ if (mpoly[i].totloop == 4) { BLI_edgeset_add(edgeset, mloop[mpoly[i].loopstart + 0].v, mloop[mpoly[i].loopstart + 2].v); BLI_edgeset_add(edgeset, mloop[mpoly[i].loopstart + 1].v, mloop[mpoly[i].loopstart + 3].v); } } + MEM_SAFE_FREE(spring_ref); cloth->numsprings = struct_springs + shear_springs + bend_springs; |