Sergey Sharybin
ffde74a878
It allows to have children hair to be twisted around parent curve, which is quite an essential feature when creating hair braids. There are currently two controls: - Number of turns around parent children. - Influence curve, which allows to modify "twistness" along the strand.
55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2018 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Blender Foundation,
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* Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/particle_private.h
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* \ingroup bke
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*/
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#ifndef __PARTICLE_PRIVATE_H__
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#define __PARTICLE_PRIVATE_H__
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typedef struct ParticleChildModifierContext {
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ParticleThreadContext *thread_ctx;
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ParticleSimulationData *sim;
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ParticleTexture *ptex;
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ChildParticle *cpa;
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const float *par_co; /* float3 */
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const float *par_vel; /* float3 */
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const float *par_rot; /* float4 */
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const float *par_orco; /* float3 */
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const float *orco; /* float3 */
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ParticleCacheKey *parent_keys;
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} ParticleChildModifierContext;
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void do_kink(ParticleKey *state, const float par_co[3], const float par_vel[3], const float par_rot[4], float time, float freq, float shape, float amplitude, float flat,
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short type, short axis, float obmat[4][4], int smooth_start);
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float do_clump(ParticleKey *state, const float par_co[3], float time, const float orco_offset[3], float clumpfac, float clumppow, float pa_clump,
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bool use_clump_noise, float clump_noise_size, CurveMapping *clumpcurve);
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void do_child_modifiers(const ParticleChildModifierContext *modifier_ctx,
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float mat[4][4], ParticleKey *state, float t);
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#endif /* __PARTICLE_PRIVATE_H__ */
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