#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_lattice_types.h"
#include "DNA_curve_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_ghash.h"
#include "BLI_threads.h"
#include "BKE_curve.h"
#include "BKE_effect.h"
#include "BKE_global.h"
#include "BKE_modifier.h"
#include "BKE_softbody.h"
#include "BKE_DerivedMesh.h"
#include "BKE_pointcache.h"
#include "BKE_deform.h"
#include "PIL_time.h"

Classes
struct	BodySpring
struct	BodyFace
struct	ReferenceVert
struct	ReferenceState
struct	SBScratch
struct	SB_thread_context
struct	ccdf_minmax
struct	ccd_Mesh
Defines
#define	NLF_BUILD 1
#define	NLF_SOLVE 2
#define	MID_PRESERVE 1
#define	SOFTGOALSNAP 0.999f
#define	HEUNWARNLIMIT 1
#define	BSF_INTERSECT 1
#define	SBF_DOFUZZY 1
#define	SBF_OUTOFCOLLISION 2
#define	BFF_INTERSECT 1
#define	BFF_CLOSEVERT 2
Typedefs
typedef struct BodySpring	BodySpring
typedef struct BodyFace	BodyFace
typedef struct ReferenceVert	ReferenceVert
typedef struct ReferenceState	ReferenceState
typedef struct SBScratch	SBScratch
typedef struct SB_thread_context	SB_thread_context
typedef struct ccdf_minmax	ccdf_minmax
typedef struct ccd_Mesh	ccd_Mesh
Enumerations
enum	type_spring { SB_EDGE = 1, SB_BEND = 2, SB_STIFFQUAD = 3, SB_HANDLE = 4 }
Functions
static void	free_softbody_intern (SoftBody *sb)
static void	Vec3PlusStVec (float v, float s, float v1)
static float	sb_grav_force_scale (Object *UNUSED(ob))
static float	sb_fric_force_scale (Object *UNUSED(ob))
static float	sb_time_scale (Object *ob)
static float	_final_goal (Object ob, BodyPoint bp)
static float	_final_mass (Object ob, BodyPoint bp)
static ccd_Mesh *	ccd_mesh_make (Object *ob)
static void	ccd_mesh_update (Object ob, ccd_Mesh pccd_M)
static void	ccd_mesh_free (ccd_Mesh *ccdm)
static void	ccd_build_deflector_hash (Scene scene, Object vertexowner, GHash *hash)
static void	ccd_update_deflector_hash (Scene scene, Object vertexowner, GHash *hash)
static int	count_mesh_quads (Mesh *me)
static void	add_mesh_quad_diag_springs (Object *ob)
static void	add_2nd_order_roller (Object ob, float UNUSED(stiffness), int counter, int addsprings)
static void	add_2nd_order_springs (Object *ob, float stiffness)
static void	add_bp_springlist (BodyPoint *bp, int springID)
static void	build_bps_springlist (Object *ob)
static void	calculate_collision_balls (Object *ob)
static void	renew_softbody (Scene scene, Object ob, int totpoint, int totspring)
static void	free_softbody_baked (SoftBody *sb)
static void	free_scratch (SoftBody *sb)
static int	are_there_deflectors (Scene *scene, unsigned int layer)
static int	query_external_colliders (Scene scene, Object me)
static int	sb_detect_aabb_collisionCached (float UNUSED(force[3]), unsigned int UNUSED(par_layer), struct Object *vertexowner, float UNUSED(time))
static int	sb_detect_face_pointCached (float face_v1[3], float face_v2[3], float face_v3[3], float damp, float force[3], unsigned int UNUSED(par_layer), struct Object vertexowner, float time)
static int	sb_detect_face_collisionCached (float face_v1[3], float face_v2[3], float face_v3[3], float damp, float force[3], unsigned int UNUSED(par_layer), struct Object vertexowner, float time)
static void	scan_for_ext_face_forces (Object *ob, float timenow)
static int	sb_detect_edge_collisionCached (float edge_v1[3], float edge_v2[3], float damp, float force[3], unsigned int UNUSED(par_layer), struct Object vertexowner, float time)
static void	_scan_for_ext_spring_forces (Scene scene, Object ob, float timenow, int ifirst, int ilast, struct ListBase *do_effector)
static void	scan_for_ext_spring_forces (Scene scene, Object ob, float timenow)
static void *	exec_scan_for_ext_spring_forces (void *data)
static void	sb_sfesf_threads_run (Scene scene, struct Object ob, float timenow, int totsprings, int *UNUSED(ptr_to_break_func(void)))
static int	choose_winner (float w, float pos, float a, float b, float c, float ca, float cb, float cc)
static int	sb_detect_vertex_collisionCached (float opco[3], float facenormal[3], float damp, float force[3], unsigned int UNUSED(par_layer), struct Object vertexowner, float time, float vel[3], float *intrusion)
static int	sb_deflect_face (Object ob, float actpos, float facenormal, float force, float cf, float time, float vel, float *intrusion)
static void	sb_spring_force (Object ob, int bpi, BodySpring bs, float iks, float UNUSED(forcetime), int nl_flags)
static int	_softbody_calc_forces_slice_in_a_thread (Scene scene, Object ob, float forcetime, float timenow, int ifirst, int ilast, int UNUSED(ptr_to_break_func(void)), ListBase do_effector, int do_deflector, float fieldfactor, float windfactor)
static void *	exec_softbody_calc_forces (void *data)
static void	sb_cf_threads_run (Scene scene, Object ob, float forcetime, float timenow, int totpoint, int UNUSED(ptr_to_break_func(void)), struct ListBase do_effector, int do_deflector, float fieldfactor, float windfactor)
static void	softbody_calc_forcesEx (Scene scene, Object ob, float forcetime, float timenow, int UNUSED(nl_flags))
static void	softbody_calc_forces (Scene scene, Object ob, float forcetime, float timenow, int nl_flags)
static void	softbody_apply_forces (Object ob, float forcetime, int mode, float err, int mid_flags)
static void	softbody_restore_prev_step (Object *ob)
static void	softbody_apply_goalsnap (Object *ob)
static void	apply_spring_memory (Object *ob)
static void	interpolate_exciter (Object *ob, int timescale, int time)
static void	get_scalar_from_vertexgroup (Object ob, int vertID, short groupindex, float target)
static void	springs_from_mesh (Object *ob)
static void	mesh_to_softbody (Scene scene, Object ob)
static void	mesh_faces_to_scratch (Object *ob)
static void	reference_to_scratch (Object *ob)
static float	globallen (float v1, float v2, Object *ob)
static void	makelatticesprings (Lattice lt, BodySpring bs, int dostiff, Object *ob)
static void	lattice_to_softbody (Scene scene, Object ob)
static void	curve_surf_to_softbody (Scene scene, Object ob)
static void	softbody_to_object (Object ob, float(vertexCos)[3], int numVerts, int local)
static void	sb_new_scratch (SoftBody *sb)
SoftBody *	sbNew (Scene *scene)
void	sbFree (SoftBody *sb)
void	sbFreeSimulation (SoftBody *sb)
void	sbObjectToSoftbody (Object *ob)
static int	object_has_edges (Object *ob)
void	sbSetInterruptCallBack (int(*f)(void))
static void	softbody_update_positions (Object ob, SoftBody sb, float(*vertexCos)[3], int numVerts)
void	SB_estimate_transform (Object *ob, float lloc[3], float lrot[3][3], float lscale[3][3])
static void	softbody_reset (Object ob, SoftBody sb, float(*vertexCos)[3], int numVerts)
static void	softbody_step (Scene scene, Object ob, SoftBody *sb, float dtime)
void	sbObjectStep (Scene scene, Object ob, float cfra, float(*vertexCos)[3], int numVerts)
Variables
static int(*	SB_localInterruptCallBack )(void) = NULL
static float	SoftHeunTol = 1.0f
static const int	CCD_SAVETY = 190561

Detailed Description

Definition in file softbody.c.

Define Documentation

#define BFF_CLOSEVERT 2

Definition at line 165 of file softbody.c.

Referenced by scan_for_ext_face_forces().

#define BFF_INTERSECT 1

Definition at line 164 of file softbody.c.

Referenced by scan_for_ext_face_forces().

#define BSF_INTERSECT 1

Definition at line 157 of file softbody.c.

Referenced by _scan_for_ext_spring_forces(), _softbody_calc_forces_slice_in_a_thread(), and softbody_calc_forces().

#define HEUNWARNLIMIT 1

Definition at line 154 of file softbody.c.

Referenced by softbody_step().

#define MID_PRESERVE 1

Definition at line 148 of file softbody.c.

Referenced by softbody_apply_forces(), and softbody_step().

#define NLF_BUILD 1

Definition at line 145 of file softbody.c.

Referenced by sb_spring_force(), and softbody_calc_forces().

#define NLF_SOLVE 2

Definition at line 146 of file softbody.c.

Referenced by softbody_calc_forces().

#define SBF_DOFUZZY 1

Definition at line 160 of file softbody.c.

Referenced by _softbody_calc_forces_slice_in_a_thread(), softbody_apply_forces(), softbody_calc_forces(), and softbody_step().

#define SBF_OUTOFCOLLISION 2

Definition at line 161 of file softbody.c.

Referenced by _softbody_calc_forces_slice_in_a_thread(), and curve_surf_to_softbody().

#define SOFTGOALSNAP 0.999f

Definition at line 150 of file softbody.c.

Referenced by _softbody_calc_forces_slice_in_a_thread(), interpolate_exciter(), sb_spring_force(), softbody_apply_forces(), softbody_apply_goalsnap(), and softbody_calc_forces().

Typedef Documentation

typedef struct BodyFace BodyFace

typedef struct BodySpring BodySpring

typedef struct ccd_Mesh ccd_Mesh

typedef struct ccdf_minmax ccdf_minmax

typedef struct ReferenceState ReferenceState

typedef struct ReferenceVert ReferenceVert

typedef struct SB_thread_context SB_thread_context

typedef struct SBScratch SBScratch

Enumeration Type Documentation

enum type_spring

Enumerator:

SB_EDGE
SB_BEND
SB_STIFFQUAD
SB_HANDLE

Definition at line 92 of file softbody.c.

Function Documentation

static float _final_goal	(	Object *	ob,
		BodyPoint *	bp
	)		`[static]`

Definition at line 226 of file softbody.c.

References ABS, BodyPoint::goal, SoftBody::maxgoal, SoftBody::mingoal, OB_SB_GOAL, pow(), Object::soft, and Object::softflag.

Referenced by _softbody_calc_forces_slice_in_a_thread(), interpolate_exciter(), softbody_apply_forces(), softbody_apply_goalsnap(), and softbody_calc_forces().

static float _final_mass	(	Object *	ob,
		BodyPoint *	bp
	)		`[static]`

Definition at line 243 of file softbody.c.

References BodyPoint::mass, SoftBody::nodemass, and Object::soft.

Referenced by _softbody_calc_forces_slice_in_a_thread(), reference_to_scratch(), softbody_apply_forces(), and softbody_calc_forces().

static void _scan_for_ext_spring_forces	(	Scene *	scene,
		Object *	ob,
		float	timenow,
		int	ifirst,
		int	ilast,
		struct ListBase *	do_effector
	)		`[static]`

static int _softbody_calc_forces_slice_in_a_thread	(	Scene *	scene,
		Object *	ob,
		float	forcetime,
		float	timenow,
		int	ifirst,
		int	ilast,
		int *	UNUSEDptr_to_break_func(void),
		ListBase *	do_effector,
		int	do_deflector,
		float	fieldfactor,
		float	windfactor
	)		`[static]`

Definition at line 2170 of file softbody.c.

References _final_goal(), _final_mass(), ABS, add_v3_v3(), add_v3_v3v3(), SoftBody::aeroedge, SoftBody::balldamp, SoftBody::ballstiff, SoftBody::bpoint, BSF_INTERSECT, SoftBody::bspring, BodySpring::cf, SoftBody::choke, BodyPoint::choke, BodyPoint::choke2, BodyPoint::colball, compare(), copy_v3_v3(), distance(), SoftBody::effector_weights, BodySpring::ext_force, BodySpring::flag, SBScratch::flag, PhysicsSettings::flag, BodyPoint::force, EffectorWeights::global_gravity, SoftBody::goalfrict, SoftBody::goalspring, PhysicsSettings::gravity, SoftBody::inspring, BodyPoint::loc_flag, SoftBody::mediafrict, mid_v3_v3v3(), mul_v3_fl(), BodyPoint::nofsprings, normalize_v3(), NULL, OB_SB_EDGECOLL, OB_SB_EDGES, OB_SB_GOAL, OB_SB_SELF, BodyPoint::origE, BodyPoint::origS, BodyPoint::origT, pd_point_from_soft(), pdDoEffectors(), PHYS_GLOBAL_GRAVITY, Scene::physics_settings, BodyPoint::pos, sb_deflect_face(), sb_fric_force_scale(), sb_grav_force_scale(), sb_spring_force(), SBF_DOFUZZY, SBF_OUTOFCOLLISION, SoftBody::scratch, Object::soft, Object::softflag, SOFTGOALSNAP, BodyPoint::springs, sub_v3_v3v3(), SoftBody::totpoint, BodySpring::v1, BodySpring::v2, BodyPoint::vec, and Vec3PlusStVec().

Referenced by exec_softbody_calc_forces().

static void add_2nd_order_roller	(	Object *	ob,
		float	UNUSEDstiffness,
		int *	counter,
		int	addsprings
	)		`[static]`

Definition at line 663 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, BodyPoint::nofsprings, NULL, SB_BEND, Object::soft, BodyPoint::springs, BodySpring::springtype, SoftBody::totpoint, SoftBody::totspring, BodySpring::v1, and BodySpring::v2.

Referenced by add_2nd_order_springs().

static void add_2nd_order_springs	(	Object *	ob,
		float	stiffness
	)		`[static]`

Definition at line 725 of file softbody.c.

References add_2nd_order_roller(), SoftBody::bspring, MEM_callocN(), MEM_freeN(), Object::soft, and SoftBody::totspring.

Referenced by mesh_to_softbody().

static void add_bp_springlist	(	BodyPoint *	bp,
		int	springID
	)		`[static]`

Definition at line 746 of file softbody.c.

References MEM_callocN(), MEM_freeN(), BodyPoint::nofsprings, NULL, and BodyPoint::springs.

Referenced by build_bps_springlist().

static void add_mesh_quad_diag_springs ( Object * ob ) [static]

Definition at line 615 of file softbody.c.

References SoftBody::bspring, count_mesh_quads(), Object::data, MEM_callocN(), MEM_freeN(), Mesh::mface, SB_STIFFQUAD, Object::soft, BodySpring::springtype, Mesh::totface, SoftBody::totspring, MFace::v1, BodySpring::v1, MFace::v2, BodySpring::v2, MFace::v3, and MFace::v4.

Referenced by mesh_to_softbody().

static void apply_spring_memory ( Object * ob ) [static]

Definition at line 3136 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, BodySpring::len, len_v3v3(), SoftBody::plastic, BodyPoint::pos, Object::soft, SoftBody::totspring, BodySpring::v1, and BodySpring::v2.

Referenced by softbody_step().

static int are_there_deflectors	(	Scene *	scene,
		unsigned int	layer
	)		`[static]`

Definition at line 993 of file softbody.c.

References Scene::base, PartDeflect::deflect, ListBase::first, Base::lay, Base::next, Base::object, and Object::pd.

Referenced by query_external_colliders().

static void build_bps_springlist ( Object * ob ) [static]

Definition at line 768 of file softbody.c.

References add_bp_springlist(), SoftBody::bpoint, SoftBody::bspring, MEM_freeN(), NULL, Object::soft, BodyPoint::springs, SoftBody::totpoint, SoftBody::totspring, BodySpring::v1, and BodySpring::v2.

Referenced by curve_surf_to_softbody(), lattice_to_softbody(), and mesh_to_softbody().

static void calculate_collision_balls ( Object * ob ) [static]

Definition at line 795 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, SoftBody::colball, BodyPoint::colball, BodySpring::len, max, MAX2, min, MIN2, BodyPoint::nofsprings, NULL, SB_EDGE, SoftBody::sbc_mode, SBC_MODE_AVG, SBC_MODE_AVGMINMAX, SBC_MODE_MANUAL, SBC_MODE_MAX, SBC_MODE_MIN, Object::soft, BodyPoint::springs, BodySpring::springtype, and SoftBody::totpoint.

Referenced by curve_surf_to_softbody(), and mesh_to_softbody().

static void ccd_build_deflector_hash	(	Scene *	scene,
		Object *	vertexowner,
		GHash *	hash
	)		`[static]`

Definition at line 541 of file softbody.c.

References Scene::base, BLI_ghash_insert(), BLI_ghash_lookup(), ccd_mesh_make(), PartDeflect::deflect, ListBase::first, Object::lay, Base::lay, Base::next, NULL, OB_MESH, Base::object, Object::pd, and Object::type.

Referenced by softbody_step().

static void ccd_mesh_free ( ccd_Mesh * ccdm ) [static]

Definition at line 529 of file softbody.c.

References MEM_freeN(), ccd_Mesh::mface, ccd_Mesh::mima, ccd_Mesh::mprevvert, ccd_Mesh::mvert, NULL, and ccd_Mesh::savety.

Referenced by free_scratch().

static ccd_Mesh* ccd_mesh_make ( Object * ob ) [static]

static void ccd_mesh_update	(	Object *	ob,
		ccd_Mesh *	pccd_M
	)		`[static]`

static void ccd_update_deflector_hash	(	Scene *	scene,
		Object *	vertexowner,
		GHash *	hash
	)		`[static]`

Definition at line 568 of file softbody.c.

References Scene::base, BLI_ghash_lookup(), ccd_mesh_update(), PartDeflect::deflect, ListBase::first, Object::lay, Base::lay, Base::next, OB_MESH, Base::object, Object::pd, and Object::type.

Referenced by softbody_step().

static int choose_winner	(	float *	w,
		float *	pos,
		float *	a,
		float *	b,
		float *	c,
		float *	ca,
		float *	cb,
		float *	cc
	)		`[static]`

Definition at line 1710 of file softbody.c.

References ABS, copy_v3_v3(), and dot_v3v3().

Referenced by sb_detect_vertex_collisionCached().

static int count_mesh_quads ( Mesh * me ) [static]

Definition at line 602 of file softbody.c.

References Mesh::mface, Mesh::totface, and MFace::v4.

Referenced by add_mesh_quad_diag_springs().

static void curve_surf_to_softbody	(	Scene *	scene,
		Object *	ob
	)		`[static]`

Definition at line 3550 of file softbody.c.

References Nurb::bezt, BLI_countlist(), Nurb::bp, SoftBody::bpoint, SoftBody::bspring, build_bps_springlist(), calculate_collision_balls(), count_curveverts(), curindex, Object::data, ListBase::first, globallen(), BodyPoint::goal, BodySpring::len, Nurb::next, Curve::nurb, OB_CURVE, OB_SB_EDGES, OB_SB_GOAL, OB_SB_SELF, Nurb::pntsv, renew_softbody(), SB_EDGE, SB_HANDLE, SBF_OUTOFCOLLISION, Object::soft, Object::softflag, BodySpring::springtype, Object::type, BodySpring::v1, BodySpring::v2, BPoint::vec, BezTriple::vec, BPoint::weight, and BezTriple::weight.

Referenced by sbObjectStep().

static void* exec_scan_for_ext_spring_forces ( void * data ) [static]

Definition at line 1641 of file softbody.c.

References _scan_for_ext_spring_forces(), SB_thread_context::do_effector, SB_thread_context::ifirst, SB_thread_context::ilast, NULL, SB_thread_context::ob, SB_thread_context::scene, and SB_thread_context::timenow.

Referenced by sb_sfesf_threads_run().

static void* exec_softbody_calc_forces ( void * data ) [static]

Definition at line 2374 of file softbody.c.

References _softbody_calc_forces_slice_in_a_thread(), SB_thread_context::do_deflector, SB_thread_context::do_effector, SB_thread_context::fieldfactor, SB_thread_context::forcetime, SB_thread_context::ifirst, SB_thread_context::ilast, NULL, SB_thread_context::ob, SB_thread_context::scene, SB_thread_context::timenow, and SB_thread_context::windfactor.

Referenced by sb_cf_threads_run().

static void free_scratch ( SoftBody * sb ) [static]

Definition at line 906 of file softbody.c.

References BLI_ghash_free(), SBScratch::bodyface, ccd_mesh_free(), SBScratch::colliderhash, ReferenceState::ivert, MEM_freeN(), NULL, SBScratch::Ref, and SoftBody::scratch.

Referenced by free_softbody_intern(), and softbody_reset().

static void free_softbody_baked ( SoftBody * sb ) [static]

Definition at line 892 of file softbody.c.

References SoftBody::keys, MEM_freeN(), NULL, and SoftBody::totkey.

Referenced by free_softbody_intern().

static void free_softbody_intern ( SoftBody * sb ) [static]

Definition at line 928 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, free_scratch(), free_softbody_baked(), MEM_freeN(), NULL, BodyPoint::springs, SoftBody::totpoint, and SoftBody::totspring.

Referenced by renew_softbody(), sbFree(), sbFreeSimulation(), and sbObjectToSoftbody().

static void get_scalar_from_vertexgroup	(	Object *	ob,
		int	vertID,
		short	groupindex,
		float *	target
	)		`[static]`

Definition at line 3189 of file softbody.c.

References Object::data, MDeformWeight::def_nr, Lattice::dvert, Mesh::dvert, MDeformVert::dw, i, NULL, OB_LATTICE, OB_MESH, MDeformVert::totweight, Object::type, and MDeformWeight::weight.

Referenced by mesh_to_softbody().

static float globallen	(	float *	v1,
		float *	v2,
		Object *	ob
	)		`[static]`

Definition at line 3415 of file softbody.c.

References copy_v3_v3(), len_v3v3(), mul_m4_v3(), and Object::obmat.

Referenced by curve_surf_to_softbody(), and makelatticesprings().

static void interpolate_exciter	(	Object *	ob,
		int	timescale,
		int	time
	)		`[static]`

Definition at line 3160 of file softbody.c.

References _final_goal(), SoftBody::bpoint, BodyPoint::origE, BodyPoint::origS, BodyPoint::origT, Object::soft, SOFTGOALSNAP, SoftBody::totpoint, and BodyPoint::vec.

Referenced by softbody_step().

static void lattice_to_softbody	(	Scene *	scene,
		Object *	ob
	)		`[static]`

Definition at line 3506 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, build_bps_springlist(), Object::data, Lattice::def, makelatticesprings(), OB_SB_EDGES, OB_SB_GOAL, OB_SB_QUADS, Lattice::pntsu, Lattice::pntsv, Lattice::pntsw, renew_softbody(), Object::soft, Object::softflag, and BPoint::weight.

Referenced by sbObjectStep().

static void makelatticesprings	(	Lattice *	lt,
		BodySpring *	bs,
		int	dostiff,
		Object *	ob
	)		`[static]`

Definition at line 3425 of file softbody.c.

References Lattice::def, globallen(), BodySpring::len, NULL, Lattice::pntsu, Lattice::pntsv, Lattice::pntsw, SB_BEND, SB_EDGE, BodySpring::springtype, BodySpring::v1, BodySpring::v2, and simple_enum_gen::w.

Referenced by lattice_to_softbody().

static void mesh_faces_to_scratch ( Object * ob ) [static]

Definition at line 3367 of file softbody.c.

References SBScratch::bodyface, Object::data, BodyFace::ext_force, BodyFace::flag, MEM_mallocN(), Mesh::mface, SoftBody::scratch, Object::soft, Mesh::totface, SBScratch::totface, BodyFace::v1, BodyFace::v2, BodyFace::v3, and BodyFace::v4.

Referenced by softbody_reset().

static void mesh_to_softbody	(	Scene *	scene,
		Object *	ob
	)		`[static]`

static int object_has_edges ( Object * ob ) [static]

Definition at line 3760 of file softbody.c.

References Object::data, OB_LATTICE, OB_MESH, and Object::type.

Referenced by sbObjectStep().

static int query_external_colliders	(	Scene *	scene,
		Object *	me
	)		`[static]`

Definition at line 1006 of file softbody.c.

References are_there_deflectors(), and Object::lay.

Referenced by softbody_calc_forces(), softbody_calc_forcesEx(), and softbody_step().

static void reference_to_scratch ( Object * ob ) [static]

Definition at line 3389 of file softbody.c.

References _final_mass(), add_v3_v3(), SoftBody::bpoint, ReferenceState::com, copy_v3_v3(), ReferenceState::ivert, MEM_mallocN(), mul_v3_fl(), BodyPoint::pos, SBScratch::Ref, SoftBody::scratch, Object::soft, and SoftBody::totpoint.

Referenced by softbody_reset().

static void renew_softbody	(	Scene *	scene,
		Object *	ob,
		int	totpoint,
		int	totspring
	)		`[static]`

Definition at line 845 of file softbody.c.

References SoftBody::bpoint, SoftBody::bspring, BodyPoint::choke, BodyPoint::choke2, BodyPoint::colball, SoftBody::defgoal, free_softbody_intern(), BodyPoint::frozen, BodyPoint::goal, i, BodyPoint::loc_flag, BodyPoint::mass, MEM_mallocN(), BodyPoint::nofsprings, NULL, OB_SB_GOAL, sbNew(), Object::soft, Object::softflag, BodyPoint::springs, BodyPoint::springweight, SoftBody::totpoint, and SoftBody::totspring.

Referenced by curve_surf_to_softbody(), lattice_to_softbody(), mesh_to_softbody(), and sbObjectStep().

static void sb_cf_threads_run	(	Scene *	scene,
		Object *	ob,
		float	forcetime,
		float	timenow,
		int	totpoint,
		int *	UNUSEDptr_to_break_func(void),
		struct ListBase *	do_effector,
		int	do_deflector,
		float	fieldfactor,
		float	windfactor
	)		`[static]`

static int sb_deflect_face	(	Object *	ob,
		float *	actpos,
		float *	facenormal,
		float *	force,
		float *	cf,
		float	time,
		float *	vel,
		float *	intrusion
	)		`[static]`

Definition at line 2028 of file softbody.c.

References copy_v3_v3(), Object::lay, and sb_detect_vertex_collisionCached().

Referenced by _softbody_calc_forces_slice_in_a_thread(), and softbody_calc_forces().

static int sb_detect_aabb_collisionCached	(	float	UNUSEDforce[3],
		unsigned int	UNUSEDpar_layer,
		struct Object *	vertexowner,
		float	UNUSEDtime
	)		`[static]`

static int sb_detect_edge_collisionCached	(	float	edge_v1[3],
		float	edge_v2[3],
		float *	damp,
		float	force[3],
		unsigned int	UNUSEDpar_layer,
		struct Object *	vertexowner,
		float	time
	)		`[static]`

Definition at line 1408 of file softbody.c.

References ccd_Mesh::bbmax, ccd_Mesh::bbmin, BLI_ghashIterator_free(), BLI_ghashIterator_getKey(), BLI_ghashIterator_getValue(), BLI_ghashIterator_isDone(), BLI_ghashIterator_new(), BLI_ghashIterator_step(), MVert::co, SBScratch::colliderhash, copy_v3_v3(), cross_v3_v3v3(), PartDeflect::deflect, dot_v3v3(), hash, isect_line_tri_v3(), len_v3v3(), MAX2, ccdf_minmax::maxx, ccdf_minmax::maxy, ccdf_minmax::maxz, ccd_Mesh::mface, ccd_Mesh::mima, MIN2, ccdf_minmax::minx, ccdf_minmax::miny, ccdf_minmax::minz, ccd_Mesh::mprevvert, mul_v3_fl(), ccd_Mesh::mvert, normalize_v3(), NULL, Object::pd, PartDeflect::pdef_sbdamp, SoftBody::scratch, Object::soft, sub_v3_v3v3(), ccd_Mesh::totface, MFace::v1, MFace::v2, MFace::v3, MFace::v4, and Vec3PlusStVec().

Referenced by _scan_for_ext_spring_forces().

static int sb_detect_face_collisionCached	(	float	face_v1[3],
		float	face_v2[3],
		float	face_v3[3],
		float *	damp,
		float	force[3],
		unsigned int	UNUSEDpar_layer,
		struct Object *	vertexowner,
		float	time
	)		`[static]`

static int sb_detect_face_pointCached	(	float	face_v1[3],
		float	face_v2[3],
		float	face_v3[3],
		float *	damp,
		float	force[3],
		unsigned int	UNUSEDpar_layer,
		struct Object *	vertexowner,
		float	time
	)		`[static]`

static int sb_detect_vertex_collisionCached	(	float	opco[3],
		float	facenormal[3],
		float *	damp,
		float	force[3],
		unsigned int	UNUSEDpar_layer,
		struct Object *	vertexowner,
		float	time,
		float	vel[3],
		float *	intrusion
	)		`[static]`