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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
#pragma once
/** \file
* \ingroup bke
*/
#ifdef __cplusplus
extern "C" {
#endif
struct CurveCache;
struct Object;
/* ---------------------------------------------------- */
/* Curve Paths */
int BKE_anim_path_get_array_size(const struct CurveCache *curve_cache);
float BKE_anim_path_get_length(const struct CurveCache *curve_cache);
/**
* This function populates the 'ob->runtime.curve_cache->anim_path_accum_length' data.
* You should never have to call this manually as it should already have been called by
* 'BKE_displist_make_curveTypes'. Do not call this manually unless you know what you are doing.
*/
void BKE_anim_path_calc_data(struct Object *ob);
/**
* Calculate the deformation implied by the curve path at a given parametric position,
* and returns whether this operation succeeded.
*
* \param ctime: Time is normalized range <0-1>.
*
* \return success.
*/
bool BKE_where_on_path(const struct Object *ob,
float ctime,
float r_vec[4],
float r_dir[3],
float r_quat[4],
float *r_radius,
float *r_weight);
#ifdef __cplusplus
}
#endif
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