cloth.cc File Reference

#include "MEM_guardedalloc.h"
#include "DNA_cloth_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BLI_linklist.h"
#include "BLI_math_geom.h"
#include "BLI_math_matrix.h"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_query.hh"
#include "BKE_bvhutils.hh"
#include "BKE_cloth.hh"
#include "BKE_customdata.hh"
#include "BKE_effect.h"
#include "BKE_global.hh"
#include "BKE_lib_id.hh"
#include "BKE_mesh.hh"
#include "BKE_modifier.hh"
#include "BKE_pointcache.h"
#include "SIM_mass_spring.h"

Go to the source code of this file.

Classes
struct	BendSpringRef

Functions
static void	cloth_to_object (Object *ob, ClothModifierData *clmd, float(*vertexCos)[3])
static void	cloth_from_mesh (ClothModifierData *clmd, const Object *ob, Mesh *mesh)
static bool	cloth_from_object (Object *ob, ClothModifierData *clmd, Mesh *mesh, float framenr, int first)
static void	cloth_apply_vgroup (ClothModifierData *clmd, Mesh *mesh)
static BVHTree *	bvhtree_build_from_cloth (ClothModifierData *clmd, float epsilon)
void	bvhtree_update_from_cloth (ClothModifierData *clmd, bool moving, bool self)
void	cloth_clear_cache (Object *ob, ClothModifierData *clmd, float framenr)
static bool	do_init_cloth (Object *ob, ClothModifierData *clmd, Mesh *result, int framenr)
static int	do_step_cloth (Depsgraph *depsgraph, Object *ob, ClothModifierData *clmd, Mesh *result, int framenr)
void	clothModifier_do (ClothModifierData *clmd, Depsgraph *depsgraph, Scene *scene, Object *ob, Mesh *mesh, float(*vertexCos)[3])
void	cloth_free_modifier (ClothModifierData *clmd)
void	cloth_free_modifier_extern (ClothModifierData *clmd)
int	cloth_uses_vgroup (ClothModifierData *clmd)
static float	cloth_shrink_factor (ClothModifierData *clmd, ClothVertex *verts, int i1, int i2)
Spring Network Building Implementation
static void	cloth_update_springs (ClothModifierData *clmd)
static void	cloth_update_verts (Object *ob, ClothModifierData *clmd, Mesh *mesh)
static void	cloth_update_spring_lengths (ClothModifierData *clmd, Mesh *mesh)
static bool	cloth_build_springs (ClothModifierData *clmd, Mesh *mesh)
BLI_INLINE void	spring_verts_ordered_set (ClothSpring *spring, int v0, int v1)
static void	cloth_free_edgelist (LinkNodePair *edgelist, uint mvert_num)
static void	cloth_free_errorsprings (Cloth *cloth, LinkNodePair *edgelist, BendSpringRef *spring_ref)
BLI_INLINE void	cloth_bend_poly_dir (ClothVertex *verts, int i, int j, const int *inds, int len, float r_dir[3])
static float	cloth_spring_angle (ClothVertex *verts, int i, int j, int *i_a, int *i_b, int len_a, int len_b)
static void	cloth_hair_update_bending_targets (ClothModifierData *clmd)
static void	cloth_hair_update_bending_rest_targets (ClothModifierData *clmd)
static Mesh *	cloth_make_rest_mesh (ClothModifierData *clmd, Mesh *mesh)
BLI_INLINE void	cross_identity_v3 (float r[3][3], const float v[3])
BLI_INLINE void	madd_m3_m3fl (float r[3][3], const float m[3][3], float f)
void	cloth_parallel_transport_hair_frame (float mat[3][3], const float dir_old[3], const float dir_new[3])
static bool	cloth_add_shear_bend_spring (ClothModifierData *clmd, LinkNodePair *edgelist, const blender::Span< int > corner_verts, const blender::OffsetIndices< int > faces, int i, int j, int k)
BLI_INLINE bool	cloth_bend_set_poly_vert_array (int **poly, int len, const int *corner_verts)
static bool	find_internal_spring_target_vertex (BVHTreeFromMesh *treedata, const blender::Span< blender::float3 > vert_normals, uint v_idx, RNG *rng, float max_length, float max_diversion, bool check_normal, int *r_tar_v_idx)

Function Documentation

bvhtree_build_from_cloth()

static BVHTree * bvhtree_build_from_cloth ( ClothModifierData * clmd, float epsilon )

static

Definition at line 67 of file cloth.cc.

References BLI_bvhtree_balance(), BLI_bvhtree_insert(), BLI_bvhtree_new(), ClothModifierData::clothObject, copy_v3_v3(), ClothModifierData::hairdata, and verts.

Referenced by cloth_from_object().

bvhtree_update_from_cloth()

void bvhtree_update_from_cloth	(	ClothModifierData *	clmd,
		bool	moving,
		bool	self )

Definition at line 121 of file cloth.cc.

References BLI_assert, BLI_bvhtree_update_node(), BLI_bvhtree_update_tree(), ClothModifierData::clothObject, copy_v3_v3(), ClothModifierData::hairdata, ret, self, and verts.

Referenced by cloth_bvh_collision().

cloth_add_shear_bend_spring()

static bool cloth_add_shear_bend_spring ( ClothModifierData * clmd, LinkNodePair * edgelist, const blender::Span< int > corner_verts, const blender::OffsetIndices< int > faces, int i, int j, int k )

static

Definition at line 1276 of file cloth.cc.

References ClothSpring::ang_stiffness, ClothSimSettings::bending_model, BLI_linklist_append(), BLI_linklist_prepend(), CLOTH_BENDING_ANGULAR, cloth_shrink_factor(), cloth_spring_angle(), CLOTH_SPRING_TYPE_BENDING, CLOTH_SPRING_TYPE_SHEAR, ClothModifierData::clothObject, ClothSpring::ij, ClothSpring::kl, ClothSpring::la, ClothSpring::lb, len_v3v3(), ClothSpring::lin_stiffness, MEM_callocN, MEM_mallocN, ClothSpring::mn, ClothSpring::pa, ClothSpring::pb, ClothSpring::restang, ClothSpring::restlen, ClothModifierData::sim_parms, spring_verts_ordered_set(), ClothSpring::type, x, and y.

Referenced by cloth_build_springs().

cloth_apply_vgroup()

static void cloth_apply_vgroup ( ClothModifierData * clmd, Mesh * mesh )

static

Applies a vertex group as specified by type.

Definition at line 602 of file cloth.cc.

References cloth_uses_vgroup(), CLOTH_VERT_FLAG_NOOBJCOLL, CLOTH_VERT_FLAG_NOSELFCOLL, CLOTH_VERT_FLAG_PINNED, ClothModifierData::clothObject, ClothModifierData::coll_parms, MDeformWeight::def_nr, ClothSimSettings::defgoal, MDeformVert::dw, blender::Span< T >::is_empty(), pow4f(), ClothModifierData::sim_parms, SOFTGOALSNAP, MDeformVert::totweight, Cloth::verts, verts, ClothSimSettings::vgroup_bend, ClothSimSettings::vgroup_intern, ClothSimSettings::vgroup_mass, ClothCollSettings::vgroup_objcol, ClothSimSettings::vgroup_pressure, ClothCollSettings::vgroup_selfcol, ClothSimSettings::vgroup_shear, ClothSimSettings::vgroup_shrink, ClothSimSettings::vgroup_struct, and MDeformWeight::weight.

Referenced by cloth_from_object(), and do_step_cloth().

cloth_bend_poly_dir()

BLI_INLINE void cloth_bend_poly_dir	(	ClothVertex *	verts,
		int	i,
		int	j,
		const int *	inds,
		int	len,
		float	r_dir[3] )

Definition at line 925 of file cloth.cc.

References len, madd_v3_v3fl(), normal_tri_v3(), and verts.

Referenced by cloth_spring_angle().

cloth_bend_set_poly_vert_array()

BLI_INLINE bool cloth_bend_set_poly_vert_array	(	int **	poly,
		int	len,
		const int *	corner_verts )

Definition at line 1358 of file cloth.cc.

References len, and MEM_mallocN.

Referenced by cloth_build_springs().

cloth_build_springs()

static bool cloth_build_springs ( ClothModifierData * clmd, Mesh * mesh )

static

Definition at line 1452 of file cloth.cc.

References ClothSpring::ang_stiffness, ClothSimSettings::avg_spring_len, ClothSimSettings::bending_model, BKE_bvhtree_from_mesh_get(), BKE_id_free(), BLI_assert, BLI_linklist_prepend(), BLI_rng_free(), BLI_rng_new_srandom(), BVHTREE_FROM_CORNER_TRIS, cloth_add_shear_bend_spring(), cloth_bend_set_poly_vert_array(), CLOTH_BENDING_ANGULAR, CLOTH_BENDING_LINEAR, cloth_free_edgelist(), cloth_free_errorsprings(), cloth_hair_update_bending_rest_targets(), cloth_make_rest_mesh(), cloth_shrink_factor(), CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH, CLOTH_SIMSETTINGS_FLAG_INTERNAL_SPRINGS, CLOTH_SIMSETTINGS_FLAG_INTERNAL_SPRINGS_NORMAL, CLOTH_SIMSETTINGS_FLAG_SEW, cloth_spring_angle(), CLOTH_SPRING_TYPE_BENDING, CLOTH_SPRING_TYPE_BENDING_HAIR, CLOTH_SPRING_TYPE_INTERNAL, CLOTH_SPRING_TYPE_SEWING, CLOTH_SPRING_TYPE_STRUCTURAL, ClothModifierData::clothObject, blender::bke::LooseGeomCache::count, BendSpringRef::face, find_internal_spring_target_vertex(), ClothSimSettings::flags, ClothSpring::flags, float, free_bvhtree_from_mesh(), G, Mesh::id, ClothSpring::ij, BendSpringRef::index, ClothSimSettings::internal_spring_max_diversion, ClothSimSettings::internal_spring_max_length, blender::bke::LooseGeomCache::is_loose_bits, ClothSpring::kl, ClothSpring::la, ClothSpring::lb, len_v3v3(), ClothSpring::lin_stiffness, LinkNode::link, LinkNodePair::list, MEM_callocN, MEM_freeN(), MEM_SAFE_FREE, mesh, ClothSpring::mn, LinkNode::next, ClothSpring::pa, ClothSpring::pb, printf, ClothSpring::restang, ClothSpring::restlen, ClothSimSettings::shapekey_rest, ClothModifierData::sim_parms, size(), BendSpringRef::spring, spring_verts_ordered_set(), and ClothSpring::type.

Referenced by cloth_from_object().

cloth_clear_cache()

void cloth_clear_cache	(	Object *	ob,
		ClothModifierData *	clmd,
		float	framenr )

Definition at line 200 of file cloth.cc.

References BKE_ptcache_id_clear(), BKE_ptcache_id_from_cloth(), PTCacheID::cache, PointCache::edit, Object::mode, OB_MODE_PARTICLE_EDIT, and PTCACHE_CLEAR_AFTER.

cloth_free_edgelist()

static void cloth_free_edgelist ( LinkNodePair * edgelist, uint mvert_num )

static

Definition at line 887 of file cloth.cc.

References BLI_linklist_free(), and MEM_freeN().

Referenced by cloth_build_springs(), and cloth_free_errorsprings().

cloth_free_errorsprings()

static void cloth_free_errorsprings ( Cloth * cloth, LinkNodePair * edgelist, BendSpringRef * spring_ref )

static

Definition at line 898 of file cloth.cc.

References BLI_linklist_free(), cloth_free_edgelist(), LinkNode::link, MEM_freeN(), MEM_SAFE_FREE, LinkNode::next, ClothSpring::pa, and ClothSpring::pb.

Referenced by cloth_build_springs().

cloth_free_modifier()

void cloth_free_modifier

(

ClothModifierData *

clmd

)

Frees all.

Definition at line 433 of file cloth.cc.

References BLI_bvhtree_free(), BLI_linklist_free(), ClothModifierData::clothObject, LinkNode::link, MEM_freeN(), MEM_SAFE_FREE, LinkNode::next, ClothSpring::pa, ClothSpring::pb, and SIM_cloth_solver_free().

Referenced by BKE_ptcache_id_reset(), cloth_from_mesh(), cloth_from_object(), free_hair(), and hair_step().

cloth_free_modifier_extern()

void cloth_free_modifier_extern

(

ClothModifierData *

clmd

)

Frees all.

Definition at line 494 of file cloth.cc.

References BLI_bvhtree_free(), BLI_linklist_free(), ClothModifierData::clothObject, G, G_DEBUG_SIMDATA, LinkNode::link, MEM_freeN(), MEM_SAFE_FREE, LinkNode::next, ClothSpring::pa, ClothSpring::pb, printf, and SIM_cloth_solver_free().

Referenced by free_data().

cloth_from_mesh()

static void cloth_from_mesh ( ClothModifierData * clmd, const Object * ob, Mesh * mesh )

static

Definition at line 828 of file cloth.cc.

References BKE_modifier_set_error(), cloth_free_modifier(), ClothModifierData::clothObject, Cloth::edges, ClothModifierData::hairdata, MEM_freeN(), MEM_malloc_arrayN, ClothModifierData::modifier, Cloth::mvert_num, Cloth::primitive_num, blender::Span< T >::size(), Cloth::springs, Cloth::vert_tris, blender::bke::mesh::vert_tris_from_corner_tris(), and Cloth::verts.

Referenced by cloth_from_object().

cloth_from_object()

static bool cloth_from_object ( Object * ob, ClothModifierData * clmd, Mesh * mesh, float framenr, int first )

static

Definition at line 709 of file cloth.cc.

References BKE_modifier_set_error(), Cloth::bvhselftree, Cloth::bvhtree, bvhtree_build_from_cloth(), CD_CLOTH_ORCO, cloth_apply_vgroup(), cloth_build_springs(), cloth_free_modifier(), cloth_from_mesh(), CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH, ClothModifierData::clothObject, ClothModifierData::coll_parms, compare_ff(), copy_v3_v3(), CustomData_get_layer(), ClothSimSettings::defgoal, ClothCollSettings::epsilon, ClothSimSettings::flags, float, G, G_DEBUG_SIMDATA, ClothSimSettings::mass, ClothModifierData::modifier, mul_m4_v3(), mul_v3_fl(), Cloth::numsprings, Cloth::old_solver_type, printf, ClothCollSettings::selfepsilon, ClothSimSettings::shapekey_rest, SIM_cloth_solver_init(), SIM_cloth_solver_set_positions(), ClothModifierData::sim_parms, Cloth::springs, Cloth::verts, verts, and ClothSimSettings::vgroup_mass.

Referenced by do_init_cloth().

cloth_hair_update_bending_rest_targets()

static void cloth_hair_update_bending_rest_targets ( ClothModifierData * clmd )

static

Definition at line 1020 of file cloth.cc.

References cloth_parallel_transport_hair_frame(), CLOTH_SPRING_TYPE_BENDING_HAIR, ClothModifierData::clothObject, copy_m3_m3(), copy_v3_v3(), ClothModifierData::hairdata, ClothSpring::ij, ClothSpring::kl, LinkNode::link, ClothSpring::mn, mul_transposed_m3_v3(), LinkNode::next, normalize_v3(), ClothHairData::rest_target, ClothHairData::rot, sub_v3_v3v3(), and ClothSpring::type.

Referenced by cloth_build_springs().

cloth_hair_update_bending_targets()

static void cloth_hair_update_bending_targets ( ClothModifierData * clmd )

static

Definition at line 962 of file cloth.cc.

References cloth_parallel_transport_hair_frame(), CLOTH_SPRING_TYPE_BENDING_HAIR, ClothModifierData::clothObject, copy_m3_m3(), copy_v3_v3(), ClothModifierData::hairdata, ClothSpring::ij, ClothSpring::kl, LinkNode::link, ClothSpring::mn, mul_v3_fl(), mul_v3_m3v3(), LinkNode::next, normalize_v3(), ClothHairData::rest_target, ClothSpring::restlen, ClothHairData::rot, sub_v3_v3v3(), ClothSpring::target, and ClothSpring::type.

Referenced by cloth_update_springs().

cloth_make_rest_mesh()

static Mesh * cloth_make_rest_mesh ( ClothModifierData * clmd, Mesh * mesh )

static

Definition at line 1162 of file cloth.cc.

References BKE_mesh_copy_for_eval(), ClothModifierData::clothObject, Cloth::verts, and verts.

Referenced by cloth_build_springs().

cloth_parallel_transport_hair_frame()

void cloth_parallel_transport_hair_frame	(	float	mat[3][3],
		const float	dir_old[3],
		const float	dir_new[3] )

Definition at line 1262 of file cloth.cc.

References mul_m3_m3m3(), rot, and rotation_between_vecs_to_mat3().

Referenced by cloth_hair_update_bending_rest_targets(), and cloth_hair_update_bending_targets().

cloth_shrink_factor()

static float cloth_shrink_factor ( ClothModifierData * clmd, ClothVertex * verts, int i1, int i2 )

static

Definition at line 695 of file cloth.cc.

References ClothSimSettings::shrink_max, ClothSimSettings::shrink_min, ClothModifierData::sim_parms, sqrtf, and verts.

Referenced by cloth_add_shear_bend_spring(), cloth_build_springs(), and cloth_update_spring_lengths().

cloth_spring_angle()

static float cloth_spring_angle ( ClothVertex * verts, int i, int j, int * i_a, int * i_b, int len_a, int len_b )

static

Definition at line 938 of file cloth.cc.

References atan2f, cloth_bend_poly_dir(), cos(), cross_v3_v3v3(), dot_v3v3(), normalize_v3(), sub_v3_v3v3(), and verts.

Referenced by cloth_add_shear_bend_spring(), cloth_build_springs(), and cloth_update_spring_lengths().

cloth_to_object()

static void cloth_to_object ( Object * ob, ClothModifierData * clmd, float(*) vertexCos[3] )

static

Copies the deformed vertices to the object.

Definition at line 571 of file cloth.cc.

References ClothModifierData::clothObject, copy_v3_v3(), invert_m4_m4(), mul_m4_v3(), and Object::runtime.

Referenced by clothModifier_do().

cloth_update_spring_lengths()

static void cloth_update_spring_lengths ( ClothModifierData * clmd, Mesh * mesh )

static

Definition at line 1179 of file cloth.cc.

References ClothSimSettings::avg_spring_len, cloth_shrink_factor(), cloth_spring_angle(), CLOTH_SPRING_TYPE_BENDING, CLOTH_SPRING_TYPE_INTERNAL, CLOTH_SPRING_TYPE_SEWING, CLOTH_SPRING_TYPE_SHEAR, CLOTH_SPRING_TYPE_STRUCTURAL, ClothModifierData::clothObject, float, ClothSpring::ij, ClothSpring::kl, ClothSpring::la, ClothSpring::lb, len_v3v3(), LinkNode::link, LinkNode::next, ClothSpring::pa, ClothSpring::pb, ClothSpring::restang, ClothSpring::restlen, ClothModifierData::sim_parms, and ClothSpring::type.

Referenced by do_step_cloth().

cloth_update_springs()

static void cloth_update_springs ( ClothModifierData * clmd )

static

Definition at line 1076 of file cloth.cc.

References ALMOST_ZERO, ClothSpring::ang_stiffness, ClothVertex::bend_stiff, ClothSimSettings::bending_model, ClothHairData::bending_stiffness, CLOTH_BENDING_ANGULAR, cloth_hair_update_bending_targets(), CLOTH_SPRING_FLAG_DEACTIVATE, CLOTH_SPRING_TYPE_BENDING, CLOTH_SPRING_TYPE_BENDING_HAIR, CLOTH_SPRING_TYPE_GOAL, CLOTH_SPRING_TYPE_INTERNAL, CLOTH_SPRING_TYPE_SHEAR, CLOTH_SPRING_TYPE_STRUCTURAL, CLOTH_VERT_FLAG_PINNED, ClothModifierData::clothObject, ClothSpring::flags, ClothModifierData::hairdata, ClothSpring::ij, ClothSpring::kl, ClothSpring::lin_stiffness, LinkNode::link, LinkNode::next, ClothModifierData::sim_parms, ClothSpring::type, and v2.

Referenced by do_step_cloth().

cloth_update_verts()

static void cloth_update_verts ( Object * ob, ClothModifierData * clmd, Mesh * mesh )

static

Definition at line 1147 of file cloth.cc.

References ClothModifierData::clothObject, copy_v3_v3(), mul_m4_v3(), Cloth::verts, and verts.

Referenced by do_step_cloth().

cloth_uses_vgroup()

int cloth_uses_vgroup

(

ClothModifierData *

clmd

)

Definition at line 587 of file cloth.cc.

References CLOTH_COLLSETTINGS_FLAG_ENABLED, CLOTH_COLLSETTINGS_FLAG_SELF, ClothModifierData::coll_parms, ClothCollSettings::flags, ClothModifierData::sim_parms, ClothSimSettings::vgroup_bend, ClothSimSettings::vgroup_intern, ClothSimSettings::vgroup_mass, ClothCollSettings::vgroup_objcol, ClothSimSettings::vgroup_pressure, ClothCollSettings::vgroup_selfcol, ClothSimSettings::vgroup_shear, ClothSimSettings::vgroup_shrink, and ClothSimSettings::vgroup_struct.

Referenced by cloth_apply_vgroup(), and required_data_mask().

clothModifier_do()

void clothModifier_do	(	ClothModifierData *	clmd,
		Depsgraph *	depsgraph,
		Scene *	scene,
		Object *	ob,
		Mesh *	mesh,
		float(*)	vertexCos[3] )

Definition at line 319 of file cloth.cc.

References BKE_ptcache_id_from_cloth(), BKE_ptcache_id_reset(), BKE_ptcache_id_time(), BKE_ptcache_invalidate(), BKE_ptcache_read(), BKE_ptcache_validate(), BKE_ptcache_write(), cloth_to_object(), ClothModifierData::clothObject, DEG_get_ctime(), depsgraph, do_init_cloth(), do_step_cloth(), Cloth::edges, PointCache::flag, PointCache::last_exact, Cloth::last_frame, Cloth::mvert_num, ClothModifierData::point_cache, PTCACHE_BAKED, PTCACHE_OUTDATED, PTCACHE_READ_EXACT, PTCACHE_READ_INTERPOLATED, PTCACHE_READ_OLD, PTCACHE_REDO_NEEDED, PTCACHE_RESET_OUTDATED, ClothSimSettings::reset, SIM_cloth_solver_set_positions(), ClothModifierData::sim_parms, PointCache::simframe, ClothSimSettings::time_scale, and ClothSimSettings::timescale.

Referenced by deform_verts(), and do_hair_dynamics().

cross_identity_v3()

BLI_INLINE void cross_identity_v3	(	float	r[3][3],
		const float	v[3] )

Definition at line 1238 of file cloth.cc.

References v, and zero_m3().

do_init_cloth()

static bool do_init_cloth ( Object * ob, ClothModifierData * clmd, Mesh * result, int framenr )

static

Definition at line 214 of file cloth.cc.

References BKE_modifier_set_error(), BKE_ptcache_invalidate(), cloth_from_object(), CLOTH_SIMSETTINGS_FLAG_PRESSURE, CLOTH_SIMSETTINGS_FLAG_PRESSURE_VOL, ClothModifierData::clothObject, ClothSimSettings::dt, ClothSimSettings::flags, Cloth::last_frame, MINFRAME, ClothModifierData::modifier, ClothModifierData::point_cache, SIM_cloth_solver_set_positions(), SIM_cloth_solver_set_volume(), ClothModifierData::sim_parms, and ClothSimSettings::stepsPerFrame.

Referenced by clothModifier_do().

do_step_cloth()

static int do_step_cloth ( Depsgraph * depsgraph, Object * ob, ClothModifierData * clmd, Mesh * result, int framenr )

static

Definition at line 250 of file cloth.cc.

References BKE_effectors_create(), BKE_effectors_free(), cloth_apply_vgroup(), CLOTH_SIMSETTINGS_FLAG_DYNAMIC_BASEMESH, cloth_update_spring_lengths(), cloth_update_springs(), cloth_update_verts(), ClothModifierData::clothObject, copy_v3_v3(), depsgraph, ClothSimSettings::effector_weights, ClothSimSettings::flags, ClothSimSettings::mass, mul_m4_v3(), Cloth::mvert_num, ret, ClothSimSettings::shrink_min, SIM_cloth_solve(), SIM_mass_spring_set_implicit_vertex_mass(), ClothModifierData::sim_parms, Cloth::verts, verts, and ClothSimSettings::vgroup_shrink.

Referenced by clothModifier_do().

find_internal_spring_target_vertex()

static bool find_internal_spring_target_vertex ( BVHTreeFromMesh * treedata, const blender::Span< blender::float3 > vert_normals, uint v_idx, RNG * rng, float max_length, float max_diversion, bool check_normal, int * r_tar_v_idx )

static

Definition at line 1375 of file cloth.cc.

References add_v3_v3(), BLI_bvhtree_ray_cast(), BLI_rng_get_float(), BVHTreeRayHit::co, copy_v3_v3(), BVHTreeFromMesh::corner_tris, BVHTreeFromMesh::corner_verts, blender::Span< T >::data(), BVHTreeRayHit::dist, dot_v3v3(), FLT_MAX, BVHTreeRayHit::index, len, len_v3v3(), mul_v3_fl(), negate_v3_v3(), BVHTreeRayHit::no, normalize_v3(), BVHTreeFromMesh::raycast_callback, BVHTreeFromMesh::tree, and BVHTreeFromMesh::vert_positions.

Referenced by cloth_build_springs().

madd_m3_m3fl()

BLI_INLINE void madd_m3_m3fl	(	float	r[3][3],
		const float	m[3][3],
		float	f )

Definition at line 1249 of file cloth.cc.

spring_verts_ordered_set()

BLI_INLINE void spring_verts_ordered_set	(	ClothSpring *	spring,
		int	v0,
		int	v1 )

Definition at line 875 of file cloth.cc.

References ClothSpring::ij, and ClothSpring::kl.

Referenced by cloth_add_shear_bend_spring(), and cloth_build_springs().