anim_path.c File Reference

#include "MEM_guardedalloc.h"
#include <float.h>
#include "DNA_curve_types.h"
#include "DNA_key_types.h"
#include "DNA_object_types.h"
#include "BLI_math_vector.h"
#include "BKE_anim_path.h"
#include "BKE_curve.h"
#include "BKE_key.h"
#include "CLG_log.h"

Go to the source code of this file.

Functions
static int	get_bevlist_seg_array_size (const BevList *bl)
int	BKE_anim_path_get_array_size (const CurveCache *curve_cache)
float	BKE_anim_path_get_length (const CurveCache *curve_cache)
void	BKE_anim_path_calc_data (Object *ob)
static void	get_curve_points_from_idx (const int idx, const BevList *bl, const bool is_cyclic, BevPoint const **r_p0, BevPoint const **r_p1, BevPoint const **r_p2, BevPoint const **r_p3)
static bool	binary_search_anim_path (const float *accum_len_arr, const int seg_size, const float goal_len, int *r_idx, float *r_frac)
bool	BKE_where_on_path (const Object *ob, float ctime, float r_vec[4], float r_dir[3], float r_quat[4], float *r_radius, float *r_weight)

Variables
static CLG_LogRef	LOG = {"bke.anim"}

Function Documentation

binary_search_anim_path()

static bool binary_search_anim_path ( const float *  accum_len_arr, const int  seg_size, const float  goal_len, int *  r_idx, float *  r_frac  )

static

Definition at line 189 of file anim_path.c.

References BLI_assert, CLOG_ERROR, LOG, and UNLIKELY.

Referenced by BKE_where_on_path().

BKE_anim_path_calc_data()

void BKE_anim_path_calc_data

(

Object *

ob

)

Definition at line 72 of file anim_path.c.

References CurveCache::anim_path_accum_length, CurveCache::bev, BevList::bevpoints, BLI_assert, CLOG_WARN, Object_Runtime::curve_cache, ListBase::first, get_bevlist_seg_array_size(), len_v3v3(), LOG, MEM_freeN, MEM_mallocN, BevList::nr, NULL, OB_CURVE, BevList::poly, Object::runtime, Object::type, and BevPoint::vec.

Referenced by do_makeDispListCurveTypes().

BKE_anim_path_get_array_size()

int BKE_anim_path_get_array_size

(

const CurveCache *

curve_cache

)

Definition at line 55 of file anim_path.c.

References CurveCache::bev, BLI_assert, ListBase::first, get_bevlist_seg_array_size(), BevList::nr, and NULL.

Referenced by BKE_anim_path_get_length().

BKE_anim_path_get_length()

float BKE_anim_path_get_length

(

const CurveCache *

curve_cache

)

Definition at line 66 of file anim_path.c.

References CurveCache::anim_path_accum_length, and BKE_anim_path_get_array_size().

BKE_where_on_path()

bool BKE_where_on_path	(	const Object *	ob,
		float	ctime,
		float	r_vec[4],
		float	r_dir[3],
		float	r_quat[4],
		float *	r_radius,
		float *	r_weight
	)

Calculate the deformation implied by the curve path at a given parametric position, and returns whether this operation succeeded.

Parameters

ctime

Time is normalized range <0-1>.

Returns

success.

Definition at line 241 of file anim_path.c.

References CurveCache::anim_path_accum_length, CurveCache::bev, binary_search_anim_path(), BKE_curve_editNurbs_get(), clamp_f(), clamp_v4(), CLOG_WARN, copy_qt_qt(), CU_BEZIER, CU_NURBS, CU_POLY, Object_Runtime::curve_cache, Object::data, ELEM, ListBase::first, floorf, CCL_NAMESPACE_BEGIN::frac(), get_bevlist_seg_array_size(), get_curve_points_from_idx(), interp_qt_qtqt(), interp_v3_v3v3v3v3(), KEY_BSPLINE, KEY_CARDINAL, key_curve_position_weights(), key_curve_tangent_weights(), KEY_LINEAR, LOG, negate_v3(), BevList::nr, NULL, Curve::nurb, OB_CURVE, BevList::poly, q1, BevPoint::quat, BevPoint::radius, Object::runtime, BevPoint::tilt, Nurb::type, Object::type, UNLIKELY, BevPoint::vec, w(), and BevPoint::weight.

get_bevlist_seg_array_size()

static int get_bevlist_seg_array_size ( const BevList *  bl )

static

Definition at line 45 of file anim_path.c.

References BevList::nr, and BevList::poly.

Referenced by BKE_anim_path_calc_data(), BKE_anim_path_get_array_size(), and BKE_where_on_path().

get_curve_points_from_idx()

static void get_curve_points_from_idx ( const int  idx, const BevList *  bl, const bool  is_cyclic, BevPoint const **  r_p0, BevPoint const **  r_p1, BevPoint const **  r_p2, BevPoint const **  r_p3  )

static

Definition at line 116 of file anim_path.c.

References BevList::bevpoints, BLI_assert, and BevList::nr.

Referenced by BKE_where_on_path().

Variable Documentation

LOG

CLG_LogRef LOG = {"bke.anim"}

static

Definition at line 40 of file anim_path.c.

Referenced by binary_search_anim_path(), BKE_anim_path_calc_data(), and BKE_where_on_path().