tornavis/source/blender/blenkernel/BKE_boids.h

73 lines
2.1 KiB
C

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 by Janne Karhu.
* All rights reserved.
*/
#pragma once
/** \file
* \ingroup bke
*/
#ifdef __cplusplus
extern "C" {
#endif
struct BoidSettings;
struct BoidState;
struct Object;
struct ParticleData;
struct ParticleSettings;
struct ParticleSimulationData;
struct RNG;
typedef struct BoidBrainData {
struct ParticleSimulationData *sim;
struct ParticleSettings *part;
float timestep, cfra, dfra;
float wanted_co[3], wanted_speed;
/* Goal stuff */
struct Object *goal_ob;
float goal_co[3];
float goal_nor[3];
float goal_priority;
struct RNG *rng;
} BoidBrainData;
void boids_precalc_rules(struct ParticleSettings *part, float cfra);
/**
* Determines the velocity the boid wants to have.
*/
void boid_brain(BoidBrainData *bbd, int p, struct ParticleData *pa);
/**
* Tries to realize the wanted velocity taking all constraints into account.
*/
void boid_body(BoidBrainData *bbd, struct ParticleData *pa);
void boid_default_settings(struct BoidSettings *boids);
struct BoidRule *boid_new_rule(int type);
struct BoidState *boid_new_state(struct BoidSettings *boids);
struct BoidState *boid_duplicate_state(struct BoidSettings *boids, struct BoidState *state);
void boid_free_settings(struct BoidSettings *boids);
struct BoidSettings *boid_copy_settings(const struct BoidSettings *boids);
struct BoidState *boid_get_current_state(struct BoidSettings *boids);
#ifdef __cplusplus
}
#endif