diff options
Diffstat (limited to 'source/blender/blenkernel/intern/modifier.c')
-rw-r--r-- | source/blender/blenkernel/intern/modifier.c | 140 |
1 files changed, 78 insertions, 62 deletions
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c index 811836024f1..7eb967aeb09 100644 --- a/source/blender/blenkernel/intern/modifier.c +++ b/source/blender/blenkernel/intern/modifier.c @@ -5993,7 +5993,6 @@ static DerivedMesh *solidifyModifier_applyModifierEM(ModifierData *md, /* Screw */ -/* Screw */ /* Screw modifier: revolves the edges about an axis */ @@ -6071,12 +6070,13 @@ static void screwModifier_copyData(ModifierData *md, ModifierData *target) tltmd->flag= sltmd->flag; tltmd->steps= sltmd->steps; tltmd->render_steps= sltmd->render_steps; + tltmd->screw_ofs= sltmd->screw_ofs; tltmd->iter= sltmd->iter; } static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, - DerivedMesh *derivedData, - int useRenderParams, int isFinalCalc) + DerivedMesh *derivedData, + int useRenderParams, int isFinalCalc) { DerivedMesh *dm= derivedData; DerivedMesh *result; @@ -6111,7 +6111,6 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, ScrewVertConnect *vc, *vc_tmp, *vert_connect= NULL; - float mat[4][4] = {{0.0f, 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f, 0.0f, 0.0f}, {0.0f, 0.0f, 0.0f, 0.0f}, @@ -6121,23 +6120,25 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (!totvert) return CDDM_from_template(dm, 0, 0, 0); - if (useRenderParams) - steps= ltmd->render_steps; - else - steps= ltmd->steps; + steps= useRenderParams ? ltmd->render_steps : ltmd->steps; - if (ltmd->axis==0) { + switch(ltmd->axis) { + case 0: other_axis_1=1; other_axis_2=2; - } else if (ltmd->axis==1) { + break; + case 1: other_axis_1=0; other_axis_2=2; - } else { + break; + case 2: other_axis_1=0; other_axis_2=1; + break; } - axis_vec[ltmd->axis]= 1.0; + axis_vec[ltmd->axis]= 1.0f; + if (ltmd->ob_axis) { float mtx3_tx[3][3]; /* calc the matrix relative to the axis object */ @@ -6157,7 +6158,7 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, float totlen = len_v3(mtx_tx[3]); if(totlen != 0.0f) { - float zero[3]={0,0,0}; + float zero[3]={0.0f, 0.0f, 0.0f}; float cp[3]; screw_ofs= closest_to_line_v3(cp, mtx_tx[3], zero, axis_vec); } @@ -6192,20 +6193,20 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, cross_v3_v3v3(axis_tmp, cross1, c2); normalize_v3(axis_tmp); - if(len_v3v3(axis_tmp, axis_vec) > 1.0) + if(len_v3v3(axis_tmp, axis_vec) > 1.0f) angle= -angle; } } #endif - - } else { + } + else { /* exis char is used by i_rotate*/ axis_char= 'X' + ltmd->axis; /* useful to be able to use the axis vec in some cases still */ zero_v3(axis_vec); - axis_vec[ltmd->axis]= 1.0; + axis_vec[ltmd->axis]= 1.0f; } /* apply the multiplier */ @@ -6213,13 +6214,14 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, screw_ofs *= ltmd->iter; /* multiplying the steps is a bit tricky, this works best */ - steps += 1; - steps = (steps * ltmd->iter) - (ltmd->iter - 1); - if(steps < 2) steps= 2; + steps = ((steps + 1) * ltmd->iter) - (ltmd->iter - 1); - /* will the screw be closed? */ - if (fabs(screw_ofs) <= (FLT_EPSILON*100) && fabs(fabs(angle) - M_PI * 2.0) <= (FLT_EPSILON*100)) { + /* will the screw be closed? + * Note! smaller then FLT_EPSILON*100 gives problems with float precission so its never closed. */ + if (fabs(screw_ofs) <= (FLT_EPSILON*100) && fabs(fabs(angle) - (M_PI * 2)) <= (FLT_EPSILON*100)) { close= 1; + steps--; + if(steps < 2) steps= 2; maxVerts = totvert * steps; /* -1 because we're joining back up */ maxEdges = (totvert * steps) + /* these are the edges between new verts */ @@ -6227,9 +6229,11 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, maxFaces = totedge * steps; screw_ofs= 0.0f; - } else { + } + else { close= 0; - + if(steps < 2) steps= 2; + maxVerts = totvert * steps; /* -1 because we're joining back up */ maxEdges = (totvert * (steps-1)) + /* these are the edges between new verts */ (totedge * steps); /* -1 because vert edges join */ @@ -6299,7 +6303,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, copy_v3_v3(mv_new->co, mv_orig->co); normalize_v3_v3(vc->no, mv_new->co); /* no edges- this is realy a dummy normal */ } - } else { + } + else { /*printf("\n\n\n\n\nStarting Modifier\n");*/ /* set edge users */ med_new= medge_new; @@ -6323,7 +6328,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, /* printf("location %f %f %f -- %f\n", vc->co[0], vc->co[1], vc->co[2], vc->dist);*/ } - } else { + } + else { for (i=0; i < totvert; i++, mv_new++, mv_orig++, vc++) { vc->co[0]= mv_new->co[0]= mv_orig->co[0]; vc->co[1]= mv_new->co[1]= mv_orig->co[1]; @@ -6348,10 +6354,12 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (vc->v[0]==-1) { /* unused */ vc->v[0]= med_new->v2; vc->e[0]= med_new; - } else if (vc->v[1]==-1) { + } + else if (vc->v[1]==-1) { vc->v[1]= med_new->v2; vc->e[1]= med_new; - } else { + } + else { vc->v[0]= vc->v[1]= -2; /* erro value - dont use, 3 edges on vert */ } @@ -6361,10 +6369,12 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (vc->v[0]==-1) { /* unused */ vc->v[0]= med_new->v1; vc->e[0]= med_new; - } else if (vc->v[1]==-1) { + } + else if (vc->v[1]==-1) { vc->v[1]= med_new->v1; vc->e[1]= med_new; - } else { + } + else { vc->v[0]= vc->v[1]= -2; /* erro value - dont use, 3 edges on vert */ } } @@ -6439,9 +6449,11 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (vf_1 < vf_best && vf_best < vf_2) { ed_loop_flip= 0; - } else if (vf_1 > vf_best && vf_best > vf_2) { + } + else if (vf_1 > vf_best && vf_best > vf_2) { ed_loop_flip= 1; - } else { + } + else { /* not so simple to work out wich edge is higher */ sub_v3_v3v3(tmp_vec1, tmpf1, vc_tmp->co); sub_v3_v3v3(tmp_vec1, tmpf2, vc_tmp->co); @@ -6450,15 +6462,18 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (tmp_vec1[ltmd->axis] < tmp_vec2[ltmd->axis]) { ed_loop_flip= 1; - } else { + } + else { ed_loop_flip= 0; } } - } else if (vc_tmp->v[0] >= 0) { /*vertex only connected on 1 side */ + } + else if (vc_tmp->v[0] >= 0) { /*vertex only connected on 1 side */ /*printf("Verts on ONE side (%i %i)\n", vc_tmp->v[0], vc_tmp->v[1]);*/ if (tmpf1[ltmd->axis] < vc_tmp->co[ltmd->axis]) { /* best is above */ ed_loop_flip= 1; - } else { /* best is below or even... in even case we cant know whet to do. */ + } + else { /* best is below or even... in even case we cant know whet to do. */ ed_loop_flip= 0; } @@ -6470,14 +6485,11 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, /* switch the flip option if set */ - if (ltmd->flag & MOD_SCREW_NORMAL_FLIP) { - if (ed_loop_flip) ed_loop_flip= 0; - else ed_loop_flip= 1; - } - if (angle < 0.0f) { - if (ed_loop_flip) ed_loop_flip= 0; - else ed_loop_flip= 1; - } + if (ltmd->flag & MOD_SCREW_NORMAL_FLIP) + ed_loop_flip= !ed_loop_flip; + + if (angle < 0.0f) + ed_loop_flip= !ed_loop_flip; /* if its closed, we only need 1 loop */ for(j=ed_loop_closed; j<2; j++) { @@ -6491,10 +6503,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, /* If this is the vert off the best vert and * the best vert has 2 edges connected too it * then swap the flip direction */ - if (j==1 && (vc_tmp->v[0] > -1) && (vc_tmp->v[1] > -1)) { - if (ed_loop_flip) ed_loop_flip= 0; - else ed_loop_flip= 1; - } + if (j==1 && (vc_tmp->v[0] > -1) && (vc_tmp->v[1] > -1)) + ed_loop_flip= !ed_loop_flip; while (lt_iter.v_poin && lt_iter.v_poin->flag != 2) { /*printf("\tOrdering Vert V %i\n", lt_iter.v);*/ @@ -6504,14 +6514,15 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (lt_iter.v == lt_iter.e->v1) { if (ed_loop_flip==0) { /*printf("\t\t\tFlipping 0\n");*/ - SWAP( int, lt_iter.e->v1, lt_iter.e->v2 ); + SWAP(int, lt_iter.e->v1, lt_iter.e->v2); }/* else { printf("\t\t\tFlipping Not 0\n"); }*/ - } else if (lt_iter.v == lt_iter.e->v2) { + } + else if (lt_iter.v == lt_iter.e->v2) { if (ed_loop_flip==1) { /*printf("\t\t\tFlipping 1\n");*/ - SWAP( int, lt_iter.e->v1, lt_iter.e->v2 ); + SWAP(int, lt_iter.e->v1, lt_iter.e->v2); }/* else { printf("\t\t\tFlipping Not 1\n"); }*/ @@ -6549,16 +6560,18 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, * edge should be there but check just in case... */ if (vc->e && vc->e[0]->v1 == i) { sub_v3_v3v3(tmp_vec1, tmp_vec1, tmp_vec2); - } else { + } + else { sub_v3_v3v3(tmp_vec1, tmp_vec2, tmp_vec1); } - - } else { + } + else { /* only 1 edge connected - same as above except * dont need to average edge direction */ if (vc->e && vc->e[0]->v2 == i) { sub_v3_v3v3(tmp_vec1, mvert_new[i].co, mvert_new[vc->v[0]].co); - } else { + } + else { sub_v3_v3v3(tmp_vec1, mvert_new[vc->v[0]].co, mvert_new[i].co); } } @@ -6570,12 +6583,13 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, /* edge average vector and right angle to the pivot make the normal */ cross_v3_v3v3(vc->no, tmp_vec1, tmp_vec2); - } else { + } + else { copy_v3_v3(vc->no, vc->co); } /* we wont be looping on this data again so copy normals here */ - if (angle < 0.0) + if (angle < 0.0f) negate_v3(vc->no); normalize_v3(vc->no); @@ -6618,7 +6632,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, if (ltmd->ob_axis) { axis_angle_to_mat3(mat3, axis_vec, step_angle); copy_m4_m3(mat, mat3); - } else { + } + else { unit_m4(mat); rotate_m4(mat, axis_char, step_angle); copy_m3_m4(mat3, mat); @@ -6651,7 +6666,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, mul_m4_v3(mat, mv_new->co); add_v3_v3(mv_new->co, mtx_tx[3]); - } else { + } + else { mul_m4_v3(mat, mv_new->co); } @@ -6696,8 +6712,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, mf_new->v4= i1 + totvert; if( !mf_new->v3 || !mf_new->v4 ) { - SWAP( int, mf_new->v1, mf_new->v3 ); - SWAP( int, mf_new->v2, mf_new->v4 ); + SWAP(int, mf_new->v1, mf_new->v3); + SWAP(int, mf_new->v2, mf_new->v4); } mf_new->flag= ME_SMOOTH; origindex[mface_index]= ORIGINDEX_NONE; @@ -6724,8 +6740,8 @@ static DerivedMesh *screwModifier_applyModifier(ModifierData *md, Object *ob, mf_new->v4= med_new_firstloop->v1; if( !mf_new->v3 || !mf_new->v4 ) { - SWAP( int, mf_new->v1, mf_new->v3 ); - SWAP( int, mf_new->v2, mf_new->v4 ); + SWAP(int, mf_new->v1, mf_new->v3); + SWAP(int, mf_new->v2, mf_new->v4); } mf_new->flag= ME_SMOOTH; origindex[mface_index]= ORIGINDEX_NONE; |