c90e8bae0b
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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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struct CurveCache;
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struct Object;
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/* ---------------------------------------------------- */
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/* Curve Paths */
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int BKE_anim_path_get_array_size(const struct CurveCache *curve_cache);
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float BKE_anim_path_get_length(const struct CurveCache *curve_cache);
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/**
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* This function populates the `ob->runtime->curve_cache->anim_path_accum_length` data.
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* You should never have to call this manually as it should already have been called by
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* #BKE_displist_make_curveTypes. Do not call this manually unless you know what you are doing.
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*/
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void BKE_anim_path_calc_data(struct Object *ob);
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/**
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* Calculate the deformation implied by the curve path at a given parametric position,
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* and returns whether this operation succeeded.
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*
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* \param ctime: Time is normalized range <0-1>.
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*
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* \return success.
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*/
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bool BKE_where_on_path(const struct Object *ob,
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float ctime,
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float r_vec[4],
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float r_dir[3],
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float r_quat[4],
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float *r_radius,
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float *r_weight);
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