tornavis/source/blender/blenkernel/BKE_boids.h

57 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 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