collision.cc File Reference

#include <algorithm>
#include "MEM_guardedalloc.h"
#include "DNA_cloth_types.h"
#include "DNA_object_force_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BLI_listbase.h"
#include "BLI_math_geom.h"
#include "BLI_math_vector.h"
#include "BLI_task.h"
#include "BKE_cloth.hh"
#include "BKE_collection.hh"
#include "BKE_modifier.hh"
#include "BKE_collision.h"
#include "BLI_kdopbvh.hh"
#include "DEG_depsgraph.hh"
#include "DEG_depsgraph_physics.hh"
#include "DEG_depsgraph_query.hh"

Go to the source code of this file.

Classes
struct	ColDetectData
struct	SelfColDetectData

Macros
#define	INPR(v1, v2)

Functions
void	collision_move_object (CollisionModifierData *collmd, const float step, const float prevstep, const bool moving_bvh)
BVHTree *	bvhtree_build_from_mvert (const float(*positions)[3], const blender::int3 *vert_tris, int tri_num, float epsilon)
void	bvhtree_update_from_mvert (BVHTree *bvhtree, const float(*positions)[3], const float(*positions_moving)[3], const blender::int3 *vert_tris, int tri_num, bool moving)
BLI_INLINE int	next_ind (int i)
static float	compute_collision_point_tri_tri (const float a1[3], const float a2[3], const float a3[3], const float b1[3], const float b2[3], const float b3[3], bool culling, bool use_normal, float r_a[3], float r_b[3], float r_vec[3])
static float	compute_collision_point_edge_tri (const float a1[3], const float a2[3], const float b1[3], const float b2[3], const float b3[3], bool culling, bool use_normal, float r_a[3], float r_b[3], float r_vec[3])
static void	collision_compute_barycentric (const float pv[3], const float p1[3], const float p2[3], const float p3[3], float *w1, float *w2, float *w3)
DO_INLINE void	collision_interpolateOnTriangle (float to[3], const float v1[3], const float v2[3], const float v3[3], const double w1, const double w2, const double w3)
static void	cloth_collision_impulse_vert (const float clamp_sq, const float impulse[3], ClothVertex *vert)
static int	cloth_collision_response_static (ClothModifierData *clmd, CollisionModifierData *collmd, Object *collob, CollPair *collpair, uint collision_count, const float dt)
static int	cloth_selfcollision_response_static (ClothModifierData *clmd, CollPair *collpair, uint collision_count, const float dt)
static bool	cloth_bvh_collision_is_active (const ClothModifierData *, const Cloth *cloth, const blender::int3 vert_tri_a)
static void	cloth_collision (void *__restrict userdata, const int index, const TaskParallelTLS *__restrict)
static bool	cloth_bvh_selfcollision_is_active (const ClothModifierData *clmd, const Cloth *cloth, const blender::int3 vert_tri_a, const blender::int3 vert_tri_b)
static void	cloth_selfcollision (void *__restrict userdata, const int index, const TaskParallelTLS *__restrict)
static void	hair_collision (void *__restrict userdata, const int index, const TaskParallelTLS *__restrict)
static void	add_collision_object (ListBase *relations, Object *ob, int level, const ModifierType modifier_type)
ListBase *	BKE_collision_relations_create (Depsgraph *depsgraph, Collection *collection, uint modifier_type)
void	BKE_collision_relations_free (ListBase *relations)
Object **	BKE_collision_objects_create (Depsgraph *depsgraph, Object *self, Collection *collection, uint *numcollobj, uint modifier_type)
void	BKE_collision_objects_free (Object **objects)
ListBase *	BKE_collider_cache_create (Depsgraph *depsgraph, Object *self, Collection *collection)
void	BKE_collider_cache_free (ListBase **colliders)
static bool	cloth_bvh_objcollisions_nearcheck (ClothModifierData *clmd, CollisionModifierData *collmd, CollPair **collisions, int numresult, BVHTreeOverlap *overlap, bool culling, bool use_normal)
static bool	cloth_bvh_selfcollisions_nearcheck (ClothModifierData *clmd, CollPair *collisions, int numresult, BVHTreeOverlap *overlap)
static int	cloth_bvh_objcollisions_resolve (ClothModifierData *clmd, Object **collobjs, CollPair **collisions, uint *collision_counts, const uint numcollobj, const float dt)
static int	cloth_bvh_selfcollisions_resolve (ClothModifierData *clmd, CollPair *collisions, int collision_count, const float dt)
static bool	cloth_bvh_obj_overlap_cb (void *userdata, int index_a, int, int)
static bool	cloth_bvh_self_overlap_cb (void *userdata, int index_a, int index_b, int)
int	cloth_bvh_collision (Depsgraph *depsgraph, Object *ob, ClothModifierData *clmd, float step, float dt)
BLI_INLINE void	max_v3_v3v3 (float r[3], const float a[3], const float b[3])
void	collision_get_collider_velocity (float vel_old[3], float vel_new[3], CollisionModifierData *collmd, CollPair *collpair)

Macro Definition Documentation

INPR

#define INPR	(		v1,
			v2 )

Value:

((v1)[0] * (v2)[0] + (v1)[1] * (v2)[1] + (v1)[2] * (v2)[2])

Referenced by collision_compute_barycentric().

Function Documentation

add_collision_object()

void add_collision_object ( ListBase * relations, Object * ob, int level, const ModifierType modifier_type )

static

Definition at line 1224 of file collision.cc.

References add_collision_object(), BKE_modifiers_findby_type(), BLI_addtail(), FOREACH_COLLECTION_OBJECT_RECURSIVE_BEGIN, FOREACH_COLLECTION_OBJECT_RECURSIVE_END, Object::instance_collection, MEM_callocN(), and CollisionRelation::ob.

Referenced by add_collision_object(), and BKE_collision_relations_create().

BKE_collider_cache_create()

ListBase * BKE_collider_cache_create	(	struct Depsgraph *	depsgraph,
		struct Object *	self,
		struct Collection *	collection )

Create effective list of colliders from relations built beforehand. Self will be excluded.

Definition at line 1328 of file collision.cc.

References BKE_modifiers_findby_type(), BLI_addtail(), CollisionModifierData::bvhtree, col, collision_move_object(), DEG_get_collision_relations(), DEG_get_evaluated(), depsgraph, eModifierType_Collision, LISTBASE_FOREACH, MEM_callocN(), and self.

Referenced by dynamics_step(), and eff_calc_visibility().

BKE_collider_cache_free()

void BKE_collider_cache_free

(

ListBase **

colliders

)

Definition at line 1365 of file collision.cc.

References BLI_freelistN(), and MEM_freeN().

Referenced by eff_calc_visibility().

BKE_collision_objects_create()

Object ** BKE_collision_objects_create	(	struct Depsgraph *	depsgraph,
		struct Object *	self,
		struct Collection *	collection,
		unsigned int *	numcollobj,
		unsigned int	modifier_type )

Create effective list of colliders from relations built beforehand. Self will be excluded.

Definition at line 1281 of file collision.cc.

References BLI_listbase_count(), PartDeflect::deflect, DEG_get_collision_relations(), DEG_get_evaluated(), depsgraph, eModifierType_Collision, LISTBASE_FOREACH, MEM_calloc_arrayN(), MEM_freeN(), num, Object::pd, and self.

Referenced by ccd_build_deflector_hash(), ccd_update_deflector_hash(), cloth_bvh_collision(), dynamicPaint_doStep(), query_external_colliders(), and surface_getBrushFlags().

BKE_collision_objects_free()

void BKE_collision_objects_free

(

Object **

objects

)

Definition at line 1321 of file collision.cc.

References MEM_freeN().

Referenced by ccd_build_deflector_hash(), ccd_update_deflector_hash(), cloth_bvh_collision(), dynamicPaint_doStep(), query_external_colliders(), and surface_getBrushFlags().

BKE_collision_relations_create()

ListBase * BKE_collision_relations_create	(	struct Depsgraph *	depsgraph,
		struct Collection *	collection,
		unsigned int	modifier_type )

Create list of collision relations in the collection or entire scene. This is used by the depsgraph to build relations, as well as faster lookup of colliders during evaluation.

Definition at line 1252 of file collision.cc.

References add_collision_object(), BASE_ENABLED_RENDER, BASE_ENABLED_VIEWPORT, BKE_collection_or_layer_objects(), DAG_EVAL_RENDER, DEG_get_input_scene(), DEG_get_input_view_layer(), DEG_get_mode(), depsgraph, Base::flag, MEM_callocN(), Base::next, and Base::object.

Referenced by blender::deg::build_collision_relations().

BKE_collision_relations_free()

void BKE_collision_relations_free

(

ListBase *

relations

)

Definition at line 1273 of file collision.cc.

References BLI_freelistN(), and MEM_freeN().

Referenced by blender::deg::clear_physics_relations().

bvhtree_build_from_mvert()

BVHTree * bvhtree_build_from_mvert	(	const float(*)	positions[3],
		const blender::int3 *	vert_tris,
		int	tri_num,
		float	epsilon )

Definition at line 89 of file collision.cc.

References BLI_bvhtree_balance(), BLI_bvhtree_insert(), BLI_bvhtree_new(), copy_v3_v3(), i, and tree.

Referenced by deform_verts().

bvhtree_update_from_mvert()

void bvhtree_update_from_mvert	(	BVHTree *	bvhtree,
		const float(*)	positions[3],
		const float(*)	positions_moving[3],
		const blender::int3 *	vert_tris,
		int	tri_num,
		bool	moving )

Definition at line 113 of file collision.cc.

References BLI_bvhtree_update_node(), BLI_bvhtree_update_tree(), copy_v3_v3(), i, and ret.

Referenced by collision_move_object(), and deform_verts().

cloth_bvh_collision()

int cloth_bvh_collision	(	Depsgraph *	depsgraph,
		Object *	ob,
		ClothModifierData *	clmd,
		float	step,
		float	dt )

Definition at line 1542 of file collision.cc.

References add_v3_v3v3(), BKE_collision_objects_create(), BKE_collision_objects_free(), BKE_modifiers_findby_type(), BLI_bvhtree_overlap(), BLI_bvhtree_overlap_self(), Cloth::bvhselftree, Cloth::bvhtree, CollisionModifierData::bvhtree, bvhtree_update_from_cloth(), cloth_bvh_obj_overlap_cb(), cloth_bvh_objcollisions_nearcheck(), cloth_bvh_objcollisions_resolve(), cloth_bvh_self_overlap_cb(), cloth_bvh_selfcollisions_nearcheck(), cloth_bvh_selfcollisions_resolve(), CLOTH_COLLSETTINGS_FLAG_ENABLED, CLOTH_COLLSETTINGS_FLAG_SELF, CLOTH_SIMSETTINGS_FLAG_COLLOBJ, CLOTH_VERT_FLAG_PINNED, ClothModifierData::clothObject, ClothModifierData::coll_parms, collision_move_object(), depsgraph, eModifierType_Collision, PartDeflect::flag, ClothCollSettings::flags, ClothSimSettings::flags, ClothCollSettings::group, ClothModifierData::hairdata, i, ClothCollSettings::loop_count, MEM_calloc_arrayN(), MEM_freeN(), MEM_malloc_arrayN(), MEM_SAFE_FREE, Cloth::mvert_num, Object::pd, PFIELD_CLOTH_USE_CULLING, PFIELD_CLOTH_USE_NORMAL, ret, ClothModifierData::sim_parms, step, Cloth::verts, verts, and ClothSimSettings::vgroup_mass.

Referenced by cloth_solve_collisions().

cloth_bvh_collision_is_active()

bool cloth_bvh_collision_is_active ( const ClothModifierData * , const Cloth * cloth, const blender::int3 vert_tri_a )

static

Definition at line 941 of file collision.cc.

References CLOTH_VERT_FLAG_NOOBJCOLL, CLOTH_VERT_FLAG_PINNED, Cloth::verts, and verts.

Referenced by cloth_bvh_obj_overlap_cb().

cloth_bvh_obj_overlap_cb()

bool cloth_bvh_obj_overlap_cb ( void * userdata, int index_a, int , int  )

static

Definition at line 1516 of file collision.cc.

References cloth_bvh_collision_is_active(), ClothModifierData::clothObject, and Cloth::vert_tris.

Referenced by cloth_bvh_collision().

cloth_bvh_objcollisions_nearcheck()

bool cloth_bvh_objcollisions_nearcheck ( ClothModifierData * clmd, CollisionModifierData * collmd, CollPair ** collisions, int numresult, BVHTreeOverlap * overlap, bool culling, bool use_normal )

static

Definition at line 1374 of file collision.cc.

References BLI_parallel_range_settings_defaults(), BLI_task_parallel_range(), cloth_collision(), data, hair_collision(), ClothModifierData::hairdata, MEM_malloc_arrayN(), and TaskParallelSettings::use_threading.

Referenced by cloth_bvh_collision().

cloth_bvh_objcollisions_resolve()

int cloth_bvh_objcollisions_resolve ( ClothModifierData * clmd, Object ** collobjs, CollPair ** collisions, uint * collision_counts, const uint numcollobj, const float dt )

static

Definition at line 1422 of file collision.cc.

References add_v3_v3(), BKE_modifiers_findby_type(), CollisionModifierData::bvhtree, cloth_collision_response_static(), ClothModifierData::clothObject, eModifierType_Collision, i, Cloth::mvert_num, result, ret, Cloth::verts, verts, and zero_v3().

Referenced by cloth_bvh_collision().

cloth_bvh_self_overlap_cb()

bool cloth_bvh_self_overlap_cb ( void * userdata, int index_a, int index_b, int  )

static

Definition at line 1525 of file collision.cc.

References cloth_bvh_selfcollision_is_active(), ClothModifierData::clothObject, and Cloth::vert_tris.

Referenced by cloth_bvh_collision().

cloth_bvh_selfcollision_is_active()

bool cloth_bvh_selfcollision_is_active ( const ClothModifierData * clmd, const Cloth * cloth, const blender::int3 vert_tri_a, const blender::int3 vert_tri_b )

static

Definition at line 1031 of file collision.cc.

References CLOTH_SIMSETTINGS_FLAG_SEW, CLOTH_VERT_FLAG_NOSELFCOLL, CLOTH_VERT_FLAG_PINNED, Set< Key, InlineBufferCapacity, ProbingStrategy, Hash, IsEqual, Slot, Allocator >::contains(), ClothSimSettings::flags, i, Cloth::sew_edge_graph, ClothModifierData::sim_parms, Cloth::verts, and verts.

Referenced by cloth_bvh_self_overlap_cb(), and cloth_selfcollision().

cloth_bvh_selfcollisions_nearcheck()

bool cloth_bvh_selfcollisions_nearcheck ( ClothModifierData * clmd, CollPair * collisions, int numresult, BVHTreeOverlap * overlap )

static

Definition at line 1403 of file collision.cc.

References BLI_parallel_range_settings_defaults(), BLI_task_parallel_range(), cloth_selfcollision(), data, and TaskParallelSettings::use_threading.

Referenced by cloth_bvh_collision().

cloth_bvh_selfcollisions_resolve()

int cloth_bvh_selfcollisions_resolve ( ClothModifierData * clmd, CollPair * collisions, int collision_count, const float dt )

static

Definition at line 1475 of file collision.cc.

References add_v3_v3(), cloth_selfcollision_response_static(), ClothModifierData::clothObject, i, Cloth::mvert_num, result, ret, Cloth::verts, verts, and zero_v3().

Referenced by cloth_bvh_collision().

cloth_collision()

void cloth_collision ( void *__restrict userdata, const int index, const TaskParallelTLS * __restrict )

static

Definition at line 958 of file collision.cc.

References ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::ap3, BLI_bvhtree_get_epsilon(), CollPair::bp1, CollPair::bp2, CollPair::bp3, CollisionModifierData::bvhtree, CollPair::bw1, CollPair::bw2, CollPair::bw3, ClothModifierData::clothObject, ClothModifierData::coll_parms, collision_compute_barycentric(), COLLISION_INACTIVE, compute_collision_point_tri_tri(), copy_v3_v3(), CollisionModifierData::current_xnew, data, CollPair::distance, distance(), ClothCollSettings::epsilon, CollPair::flag, len_squared_v3(), normalize_v3_v3(), Cloth::vert_tris, CollisionModifierData::vert_tris, and Cloth::verts.

Referenced by cloth_bvh_objcollisions_nearcheck().

cloth_collision_impulse_vert()

void cloth_collision_impulse_vert ( const float clamp_sq, const float impulse[3], ClothVertex * vert )

static

Definition at line 617 of file collision.cc.

References fabsf, ClothVertex::impulse, ClothVertex::impulse_count, and len_squared_v3().

Referenced by cloth_collision_response_static(), and cloth_selfcollision_response_static().

cloth_collision_response_static()

int cloth_collision_response_static ( ClothModifierData * clmd, CollisionModifierData * collmd, Object * collob, CollPair * collpair, uint collision_count, const float dt )

static

Definition at line 642 of file collision.cc.

References ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::ap3, CollPair::aw1, CollPair::aw2, CollPair::aw3, BLI_bvhtree_get_epsilon(), CollPair::bp1, CollPair::bp2, CollPair::bp3, CollisionModifierData::bvhtree, CollPair::bw1, CollPair::bw2, CollPair::bw3, ClothCollSettings::clamp, cloth_collision_impulse_vert(), ClothModifierData::clothObject, ClothModifierData::coll_parms, COLLISION_IN_FUTURE, COLLISION_INACTIVE, collision_interpolateOnTriangle(), copy_v3_v3(), CollisionModifierData::current_v, CollPair::distance, dot_v3v3(), ClothSimSettings::dt, ClothCollSettings::epsilon, CollPair::flag, ClothModifierData::hairdata, i, interp_v3_v3v3(), len_v3(), max_ff(), min_ff(), mul_v3_fl(), CollPair::normal, normalize_v3(), Object::pd, PartDeflect::pdef_cfrict, result, ClothModifierData::sim_parms, square_f(), sub_v3_v3v3(), ClothSimSettings::timescale, ClothVertex::tv, v2, VECADDMUL, Cloth::verts, and zero_v3().

Referenced by cloth_bvh_objcollisions_resolve().

cloth_selfcollision()

void cloth_selfcollision ( void *__restrict userdata, const int index, const TaskParallelTLS * __restrict )

static

Definition at line 1073 of file collision.cc.

References ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::ap3, BLI_assert, CollPair::bp1, CollPair::bp2, CollPair::bp3, cloth_bvh_selfcollision_is_active(), ClothModifierData::clothObject, ClothModifierData::coll_parms, collision_compute_barycentric(), COLLISION_INACTIVE, compute_collision_point_tri_tri(), copy_v3_v3(), data, CollPair::distance, distance(), CollPair::flag, len_squared_v3(), normalize_v3_v3(), ClothCollSettings::selfepsilon, Cloth::vert_tris, and Cloth::verts.

Referenced by cloth_bvh_selfcollisions_nearcheck().

cloth_selfcollision_response_static()

int cloth_selfcollision_response_static ( ClothModifierData * clmd, CollPair * collpair, uint collision_count, const float dt )

static

Definition at line 790 of file collision.cc.

References ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::ap3, CollPair::aw1, CollPair::aw2, CollPair::aw3, CollPair::bp1, CollPair::bp2, CollPair::bp3, CollPair::bw1, CollPair::bw2, CollPair::bw3, cloth_collision_impulse_vert(), ClothModifierData::clothObject, ClothModifierData::coll_parms, COLLISION_IN_FUTURE, COLLISION_INACTIVE, collision_interpolateOnTriangle(), copy_v3_v3(), CollPair::distance, dot_v3v3(), ClothSimSettings::dt, CollPair::flag, i, len_v3(), max_ff(), min_ff(), mul_v3_fl(), CollPair::normal, normalize_v3(), result, ClothCollSettings::self_clamp, ClothCollSettings::self_friction, ClothCollSettings::selfepsilon, ClothModifierData::sim_parms, square_f(), sub_v3_v3v3(), ClothSimSettings::timescale, ClothVertex::tv, v2, VECADDMUL, and Cloth::verts.

Referenced by cloth_bvh_selfcollisions_resolve().

collision_compute_barycentric()

void collision_compute_barycentric ( const float pv[3], const float p1[3], const float p2[3], const float p3[3], float * w1, float * w2, float * w3 )

static

Definition at line 556 of file collision.cc.

References ALMOST_ZERO, b, e, fabs(), float, INPR, and sub_v3db_v3fl_v3fl().

Referenced by cloth_collision(), cloth_selfcollision(), collision_get_collider_velocity(), and hair_collision().

collision_get_collider_velocity()

void collision_get_collider_velocity	(	float	vel_old[3],
		float	vel_new[3],
		CollisionModifierData *	collmd,
		CollPair *	collpair )

Definition at line 1720 of file collision.cc.

References CollPair::bp1, CollPair::bp2, CollPair::bp3, collision_compute_barycentric(), collision_interpolateOnTriangle(), copy_v3_v3(), CollisionModifierData::current_v, CollisionModifierData::current_x, and CollPair::pb.

collision_interpolateOnTriangle()

DO_INLINE void collision_interpolateOnTriangle	(	float	to[3],
		const float	v1[3],
		const float	v2[3],
		const float	v3[3],
		const double	w1,
		const double	w2,
		const double	w3 )

Definition at line 603 of file collision.cc.

References DO_INLINE, v2, VECADDMUL, and zero_v3().

Referenced by cloth_collision_response_static(), cloth_selfcollision_response_static(), and collision_get_collider_velocity().

collision_move_object()

void collision_move_object	(	struct CollisionModifierData *	collmd,
		float	step,
		float	prevstep,
		bool	moving_bvh )

Move Collision modifier object inter-frame with step = [0,1]

Parameters

step	is limited from 0 (frame start position) to 1 (frame end position).

Definition at line 59 of file collision.cc.

References CollisionModifierData::bvhtree, bvhtree_update_from_mvert(), CollisionModifierData::current_v, CollisionModifierData::current_x, CollisionModifierData::current_xnew, i, interp_v3_v3v3(), CollisionModifierData::is_static, CollisionModifierData::mvert_num, step, sub_v3_v3v3(), CollisionModifierData::tri_num, CollisionModifierData::vert_tris, CollisionModifierData::x, CollisionModifierData::xnew, and zero_v3().

Referenced by BKE_collider_cache_create(), blender::ed::sculpt_paint::cloth::cloth_brush_collider_cache_create(), and cloth_bvh_collision().

compute_collision_point_edge_tri()

float compute_collision_point_edge_tri ( const float a1[3], const float a2[3], const float b1[3], const float b2[3], const float b3[3], bool culling, bool use_normal, float r_a[3], float r_b[3], float r_vec[3] )

static

Definition at line 381 of file collision.cc.

References b, closest_on_tri_to_point_v3(), closest_to_line_v3(), copy_v3_v3(), cross_v3_v3v3(), dot_v3v3(), FLT_MAX, i, interp_v3_v3v3(), isect_line_plane_v3(), isect_line_segment_tri_v3(), isect_ray_tri_v3(), isect_seg_seg_v3(), len_squared_v3v3(), len_v3(), madd_v3_v3v3fl(), mid_v3_v3v3v3(), negate_v3_v3(), next_ind(), normal_tri_v3(), point_in_slice_seg(), sqrtf, and sub_v3_v3v3().

Referenced by hair_collision().

compute_collision_point_tri_tri()

float compute_collision_point_tri_tri ( const float a1[3], const float a2[3], const float a3[3], const float b1[3], const float b2[3], const float b3[3], bool culling, bool use_normal, float r_a[3], float r_b[3], float r_vec[3] )

static

Definition at line 169 of file collision.cc.

References b, closest_on_tri_to_point_v3(), closest_to_line_v3(), copy_v3_v3(), cross_v3_v3v3(), dot_v3v3(), FLT_MAX, i, isect_line_plane_v3(), isect_ray_tri_v3(), isect_seg_seg_v3(), isect_tri_tri_v3_ex(), len_squared_v3v3(), len_v3(), madd_v3_v3v3fl(), mid_v3_v3v3v3(), negate_v3(), negate_v3_v3(), next_ind(), normal_tri_v3(), point_in_slice_seg(), sqrtf, and sub_v3_v3v3().

Referenced by cloth_collision(), and cloth_selfcollision().

hair_collision()

void hair_collision ( void *__restrict userdata, const int index, const TaskParallelTLS * __restrict )

static

Definition at line 1153 of file collision.cc.

References ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::aw1, CollPair::aw2, BLI_bvhtree_get_epsilon(), CollPair::bp1, CollPair::bp2, CollPair::bp3, CollisionModifierData::bvhtree, CollPair::bw1, CollPair::bw2, CollPair::bw3, ClothModifierData::clothObject, ClothModifierData::coll_parms, collision_compute_barycentric(), COLLISION_INACTIVE, compute_collision_point_edge_tri(), copy_v3_v3(), CollisionModifierData::current_x, CollisionModifierData::current_xnew, data, CollPair::distance, distance(), Cloth::edges, ClothCollSettings::epsilon, CollPair::flag, len_squared_v3(), line_point_factor_v3(), normalize_v3_v3(), CollisionModifierData::vert_tris, and Cloth::verts.

Referenced by cloth_bvh_objcollisions_nearcheck().

max_v3_v3v3()

BLI_INLINE void max_v3_v3v3	(	float	r[3],
		const float	a[3],
		const float	b[3] )

Definition at line 1713 of file collision.cc.

References b, BLI_INLINE, and max_ff().

next_ind()

BLI_INLINE int next_ind

(

int

i

)

Definition at line 164 of file collision.cc.

References BLI_INLINE, and i.

Referenced by compute_collision_point_edge_tri(), and compute_collision_point_tri_tri().