#include "MEM_guardedalloc.h"
#include "BKE_cloth.h"
#include "DNA_cloth_types.h"
#include "DNA_group_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_scene_types.h"
#include "DNA_meshdata_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_edgehash.h"
#include "BLI_utildefines.h"
#include "BLI_ghash.h"
#include "BLI_memarena.h"
#include "BLI_rand.h"
#include "BKE_DerivedMesh.h"
#include "BKE_global.h"
#include "BKE_scene.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BKE_modifier.h"
#include "BLI_kdopbvh.h"
#include "BKE_collision.h"

Defines
#define	mySWAP(a, b) do { double tmp = b ; b = a ; a = tmp ; } while(0)
Functions
void	collision_move_object (CollisionModifierData *collmd, float step, float prevstep)
BVHTree *	bvhtree_build_from_mvert (MFace mfaces, unsigned int numfaces, MVert x, unsigned int UNUSED(numverts), float epsilon)
void	bvhtree_update_from_mvert (BVHTree bvhtree, MFace faces, int numfaces, MVert x, MVert xnew, int UNUSED(numverts), int moving)
static void	collision_compute_barycentric (float pv[3], float p1[3], float p2[3], float p3[3], float w1, float w2, float *w3)
DO_INLINE void	collision_interpolateOnTriangle (float to[3], float v1[3], float v2[3], float v3[3], double w1, double w2, double w3)
static int	cloth_collision_response_static (ClothModifierData clmd, CollisionModifierData collmd, CollPair collpair, CollPair collision_end)
static CollPair *	cloth_collision (ModifierData md1, ModifierData md2, BVHTreeOverlap overlap, CollPair collpair, float dt)
static void	add_collision_object (Object **objs, unsigned int numobj, unsigned int maxobj, Object ob, Object *self, int level)
Object **	get_collisionobjects (Scene scene, Object self, Group group, unsigned int numcollobj)
static void	add_collider_cache_object (ListBase *objs, Object ob, Object *self, int level)
ListBase *	get_collider_cache (Scene scene, Object self, Group *group)
void	free_collider_cache (ListBase **colliders)
static void	cloth_bvh_objcollisions_nearcheck (ClothModifierData clmd, CollisionModifierData collmd, CollPair collisions, CollPair collisions_index, int numresult, BVHTreeOverlap *overlap, double dt)
static int	cloth_bvh_objcollisions_resolve (ClothModifierData clmd, CollisionModifierData collmd, CollPair collisions, CollPair collisions_index)
int	cloth_bvh_objcollision (Object ob, ClothModifierData clmd, float step, float dt)

Detailed Description

Definition in file collision.c.

Define Documentation

#define mySWAP	(	a,
		b
	)	do { double tmp = b ; b = a ; a = tmp ; } while(0)

gsl_poly_solve_cubic -

copied from SOLVE_CUBIC.C --> GSL

Definition at line 176 of file collision.c.

Function Documentation

static void add_collider_cache_object	(	ListBase **	objs,
		Object *	ob,
		Object *	self,
		int	level
	)		`[static]`

Definition at line 2198 of file collision.c.

References BLI_addtail(), CollisionModifierData::bvhtree, collision_move_object(), ColliderCache::collmd, PartDeflect::deflect, Object::dup_group, eModifierType_Collision, ListBase::first, Group::gobject, MEM_callocN(), modifiers_findByType(), GroupObject::next, NULL, GroupObject::ob, ColliderCache::ob, and Object::pd.

Referenced by get_collider_cache().

static void add_collision_object	(	Object ***	objs,
		unsigned int *	numobj,
		unsigned int *	maxobj,
		Object *	ob,
		Object *	self,
		int	level
	)		`[static]`

Definition at line 2133 of file collision.c.

References PartDeflect::deflect, Object::dup_group, eModifierType_Collision, ListBase::first, Group::gobject, MEM_reallocN(), modifiers_findByType(), GroupObject::next, NULL, GroupObject::ob, and Object::pd.

Referenced by get_collisionobjects().

BVHTree* bvhtree_build_from_mvert	(	MFace *	mfaces,
		unsigned int	numfaces,
		MVert *	x,
		unsigned int	UNUSEDnumverts,
		float	epsilon
	)

Definition at line 93 of file collision.c.

References BLI_bvhtree_balance(), BLI_bvhtree_insert(), BLI_bvhtree_new(), MVert::co, co, copy_v3_v3(), i, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

void bvhtree_update_from_mvert	(	BVHTree *	bvhtree,
		MFace *	faces,
		int	numfaces,
		MVert *	x,
		MVert *	xnew,
		int	UNUSEDnumverts,
		int	moving
	)

Definition at line 120 of file collision.c.

References BLI_bvhtree_update_node(), BLI_bvhtree_update_tree(), MVert::co, co, copy_v3_v3(), i, NULL, MFace::v1, MFace::v2, MFace::v3, and MFace::v4.

int cloth_bvh_objcollision	(	Object *	ob,
		ClothModifierData *	clmd,
		float	step,
		float	dt
	)

Definition at line 2361 of file collision.c.

References ABS, ClothVertex::avg_spring_len, BLI_bvhtree_overlap(), BLI_edgehash_haskey(), Cloth::bvhselftree, bvhselftree_update_from_cloth(), Cloth::bvhtree, CollisionModifierData::bvhtree, bvhtree_update_from_cloth(), cloth_bvh_objcollisions_nearcheck(), cloth_bvh_objcollisions_resolve(), CLOTH_COLLSETTINGS_FLAG_SELF, CLOTH_SIMSETTINGS_FLAG_COLLOBJ, CLOTH_SIMSETTINGS_FLAG_GOAL, CLOTH_VERT_FLAG_PINNED, ClothModifierData::clothObject, ClothModifierData::coll_parms, collision_move_object(), Cloth::edgehash, eModifierType_Collision, ClothCollSettings::flags, ClothVertex::flags, ClothSimSettings::flags, get_collisionobjects(), ClothCollSettings::group, i, BVHTreeOverlap::indexA, BVHTreeOverlap::indexB, length(), ClothCollSettings::loop_count, MAX2, MEM_callocN(), MEM_freeN(), MIN2, modifiers_findByType(), mul_v3_fl(), normalize_v3(), NULL, Cloth::numverts, ClothModifierData::scene, ClothCollSettings::self_loop_count, ClothCollSettings::selfepsilon, ClothModifierData::sim_parms, VECADD, VECSUB, and Cloth::verts.

Referenced by implicit_solver().

static void cloth_bvh_objcollisions_nearcheck	(	ClothModifierData *	clmd,
		CollisionModifierData *	collmd,
		CollPair **	collisions,
		CollPair **	collisions_index,
		int	numresult,
		BVHTreeOverlap *	overlap,
		double	dt
	)		`[static]`

Definition at line 2267 of file collision.c.

References BLI_ghash_free(), BLI_ghash_new(), BLI_memarena_free(), BLI_memarena_new(), cloth_collision(), ClothModifierData::clothObject, i, MEM_mallocN(), and NULL.

Referenced by cloth_bvh_objcollision().

static int cloth_bvh_objcollisions_resolve	(	ClothModifierData *	clmd,
		CollisionModifierData *	collmd,
		CollPair *	collisions,
		CollPair *	collisions_index
	)		`[static]`

Definition at line 2307 of file collision.c.

References CollisionModifierData::bvhtree, cloth_collision_response_static(), ClothModifierData::clothObject, copy_v3_v3(), i, ClothVertex::impulse_count, NULL, Cloth::numverts, VECADDMUL, and Cloth::verts.

Referenced by cloth_bvh_objcollision().

static CollPair* cloth_collision	(	ModifierData *	md1,
		ModifierData *	md2,
		BVHTreeOverlap *	overlap,
		CollPair *	collpair,
		float	dt
	)		`[static]`

Definition at line 1397 of file collision.c.

References add_v3_v3(), ALMOST_ZERO, CollPair::ap1, CollPair::ap2, CollPair::ap3, BLI_bvhtree_getepsilon(), CollPair::bp1, CollPair::bp2, CollPair::bp3, CollisionModifierData::bvhtree, ClothModifierData::clothObject, MVert::co, ClothModifierData::coll_parms, CollisionModifierData::current_x, CollisionModifierData::current_xnew, distance(), CollPair::distance, ClothCollSettings::distance_repel, ClothCollSettings::epsilon, CollPair::flag, i, BVHTreeOverlap::indexA, BVHTreeOverlap::indexB, isect_ray_plane_v3(), ClothVertex::mass, Cloth::mfaces, CollisionModifierData::mfaces, mul_v3_fl(), CollPair::normal, normal_tri_v3(), normalize_v3_v3(), NULL, CollPair::pa, CollPair::pb, plNearestPoints(), ClothCollSettings::repel_force, ClothVertex::tv, ClothVertex::tx, ClothVertex::txold, MFace::v1, MFace::v2, MFace::v3, MFace::v4, CollPair::vector, and Cloth::verts.

Referenced by cloth_bvh_objcollisions_nearcheck().

static int cloth_collision_response_static	(	ClothModifierData *	clmd,
		CollisionModifierData *	collmd,
		CollPair *	collpair,
		CollPair *	collision_end
	)		`[static]`