diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint')
| -rw-r--r-- | source/blender/editors/sculpt_paint/sculpt_cloth.c | 63 |
1 files changed, 39 insertions, 24 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt_cloth.c b/source/blender/editors/sculpt_paint/sculpt_cloth.c index 1a1200bb6c2..ef926330ece 100644 --- a/source/blender/editors/sculpt_paint/sculpt_cloth.c +++ b/source/blender/editors/sculpt_paint/sculpt_cloth.c @@ -326,6 +326,9 @@ static void do_cloth_brush_build_constraints_task_cb_ex( * positions. */ const bool cloth_is_deform_brush = ss->cache != NULL && brush != NULL && SCULPT_is_cloth_deform_brush(brush); + + const bool use_falloff_plane = brush->cloth_force_falloff_type == + BRUSH_CLOTH_FORCE_FALLOFF_PLANE; float radius_squared = 0.0f; if (cloth_is_deform_brush) { radius_squared = ss->cache->initial_radius * ss->cache->initial_radius; @@ -380,12 +383,21 @@ static void do_cloth_brush_build_constraints_task_cb_ex( if (brush && brush->sculpt_tool == SCULPT_TOOL_CLOTH) { /* The cloth brush works by applying forces in most of its modes, but some of them require * deformation coordinates to make the simulation stable. */ - if (brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_GRAB && len_squared < radius_squared) { - /* When the grab brush brush is used as part of the cloth brush, deformation constraints - * are created with different strengths and only inside the radius of the brush. */ - const float fade = BKE_brush_curve_strength(brush, sqrtf(len_squared), ss->cache->radius); - cloth_brush_add_deformation_constraint( - data->cloth_sim, node_index, vd.index, fade * CLOTH_DEFORMATION_GRAB_STRENGTH); + if (brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_GRAB) { + if (use_falloff_plane) { + /* With plane falloff the strength of the constraints is set when applying the + * deformation forces. */ + cloth_brush_add_deformation_constraint( + data->cloth_sim, node_index, vd.index, CLOTH_DEFORMATION_GRAB_STRENGTH); + } + else if (len_squared < radius_squared) { + /* With radial falloff deformation constraints are created with different strengths and + * only inside the radius of the brush. */ + const float fade = BKE_brush_curve_strength( + brush, sqrtf(len_squared), ss->cache->radius); + cloth_brush_add_deformation_constraint( + data->cloth_sim, node_index, vd.index, fade * CLOTH_DEFORMATION_GRAB_STRENGTH); + } } else if (brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_SNAKE_HOOK) { /* Cloth Snake Hook creates deformation constraint with fixed strength because the strength @@ -436,9 +448,8 @@ static void do_cloth_brush_apply_forces_task_cb_ex(void *__restrict userdata, const float *grab_delta = data->grab_delta; float(*imat)[4] = data->mat; - const bool use_falloff_plane = !SCULPT_is_cloth_deform_brush(brush) && - brush->cloth_force_falloff_type == - BRUSH_CLOTH_FORCE_FALLOFF_PLANE; + const bool use_falloff_plane = brush->cloth_force_falloff_type == + BRUSH_CLOTH_FORCE_FALLOFF_PLANE; PBVHVertexIter vd; const float bstrength = ss->cache->bstrength; @@ -470,12 +481,6 @@ static void do_cloth_brush_apply_forces_task_cb_ex(void *__restrict userdata, madd_v3_v3fl(gravity, ss->cache->gravity_direction, -data->sd->gravity_factor); } - /* Original data for deform brushes. */ - SculptOrigVertData orig_data; - if (SCULPT_is_cloth_deform_brush(brush)) { - SCULPT_orig_vert_data_init(&orig_data, data->ob, data->nodes[n]); - } - BKE_pbvh_vertex_iter_begin(ss->pbvh, data->nodes[n], vd, PBVH_ITER_UNIQUE) { float force[3]; @@ -486,8 +491,7 @@ static void do_cloth_brush_apply_forces_task_cb_ex(void *__restrict userdata, float current_vertex_location[3]; if (brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_GRAB) { - SCULPT_orig_vert_data_update(&orig_data, &vd); - copy_v3_v3(current_vertex_location, orig_data.co); + copy_v3_v3(current_vertex_location, ss->cache->cloth_sim->init_pos[vd.index]); } else { copy_v3_v3(current_vertex_location, vd.co); @@ -504,7 +508,7 @@ static void do_cloth_brush_apply_forces_task_cb_ex(void *__restrict userdata, float dist = sqrtf(test.dist); if (use_falloff_plane) { - dist = dist_to_plane_v3(vd.co, deform_plane); + dist = dist_to_plane_v3(current_vertex_location, deform_plane); } const float fade = sim_factor * bstrength * @@ -539,9 +543,15 @@ static void do_cloth_brush_apply_forces_task_cb_ex(void *__restrict userdata, break; case BRUSH_CLOTH_DEFORM_GRAB: madd_v3_v3v3fl(cloth_sim->deformation_pos[vd.index], - orig_data.co, + cloth_sim->init_pos[vd.index], ss->cache->grab_delta_symmetry, fade); + if (use_falloff_plane) { + cloth_sim->deformation_strength[vd.index] = clamp_f(fade, 0.0f, 1.0f); + } + else { + cloth_sim->deformation_strength[vd.index] = 1.0f; + } zero_v3(force); break; case BRUSH_CLOTH_DEFORM_SNAKE_HOOK: @@ -965,8 +975,8 @@ static void cloth_brush_apply_brush_foces(Sculpt *sd, Object *ob, PBVHNode **nod } } - if (brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_SNAKE_HOOK) { - /* Set the deformation strength to 0. Snake hook will initialize the strength in the required + if (ELEM(brush->cloth_deform_type, BRUSH_CLOTH_DEFORM_SNAKE_HOOK, BRUSH_CLOTH_DEFORM_GRAB)) { + /* Set the deformation strength to 0. Brushes will initialize the strength in the required * area. */ const int totverts = SCULPT_vertex_count_get(ss); for (int i = 0; i < totverts; i++) { @@ -1228,9 +1238,14 @@ void SCULPT_cloth_plane_falloff_preview_draw(const uint gpuattr, const float outline_col[3], float outline_alpha) { - float local_mat_inv[4][4]; - invert_m4_m4(local_mat_inv, ss->cache->stroke_local_mat); - GPU_matrix_mul(ss->cache->stroke_local_mat); + float local_mat[4][4]; + copy_m4_m4(local_mat, ss->cache->stroke_local_mat); + + if (ss->cache->brush->cloth_deform_type == BRUSH_CLOTH_DEFORM_GRAB) { + add_v3_v3v3(local_mat[3], ss->cache->true_location, ss->cache->grab_delta); + } + + GPU_matrix_mul(local_mat); const float dist = ss->cache->radius; const float arrow_x = ss->cache->radius * 0.2f; |