diff options
Diffstat (limited to 'source/blender/blenkernel/intern/effect.c')
| -rw-r--r-- | source/blender/blenkernel/intern/effect.c | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c index 4f4bafd00b4..1f6db19ac27 100644 --- a/source/blender/blenkernel/intern/effect.c +++ b/source/blender/blenkernel/intern/effect.c @@ -54,6 +54,7 @@ #include "BLI_math.h" #include "BLI_blenlib.h" +#include "BLI_noise.h" #include "BLI_jitter.h" #include "BLI_rand.h" #include "BLI_utildefines.h" @@ -84,6 +85,7 @@ #include "BKE_object.h" #include "BKE_particle.h" #include "BKE_scene.h" +#include "BKE_smoke.h" #include "RE_render_ext.h" @@ -137,6 +139,9 @@ PartDeflect *object_add_collision_fields(int type) case PFIELD_TEXTURE: pd->f_size = 1.0f; break; + case PFIELD_SMOKEFLOW: + pd->f_flow = 1.0f; + break; } pd->flag = PFIELD_DO_LOCATION|PFIELD_DO_ROTATION; @@ -161,7 +166,7 @@ void free_partdeflect(PartDeflect *pd) pd->tex->id.us--; if (pd->rng) - rng_free(pd->rng); + BLI_rng_free(pd->rng); MEM_freeN(pd); } @@ -170,9 +175,9 @@ static void precalculate_effector(EffectorCache *eff) { unsigned int cfra = (unsigned int)(eff->scene->r.cfra >= 0 ? eff->scene->r.cfra : -eff->scene->r.cfra); if (!eff->pd->rng) - eff->pd->rng = rng_new(eff->pd->seed + cfra); + eff->pd->rng = BLI_rng_new(eff->pd->seed + cfra); else - rng_srandom(eff->pd->rng, eff->pd->seed + cfra); + BLI_rng_srandom(eff->pd->rng, eff->pd->seed + cfra); if (eff->pd->forcefield == PFIELD_GUIDE && eff->ob->type==OB_CURVE) { Curve *cu= eff->ob->data; @@ -200,7 +205,7 @@ static void precalculate_effector(EffectorCache *eff) float old_vel[3]; BKE_object_where_is_calc_time(eff->scene, eff->ob, cfra - 1.0f); - copy_v3_v3(old_vel, eff->ob->obmat[3]); + copy_v3_v3(old_vel, eff->ob->obmat[3]); BKE_object_where_is_calc_time(eff->scene, eff->ob, cfra); sub_v3_v3v3(eff->velocity, eff->ob->obmat[3], old_vel); } @@ -450,8 +455,8 @@ static float eff_calc_visibility(ListBase *colliders, EffectorCache *eff, Effect // noise function for wind e.g. static float wind_func(struct RNG *rng, float strength) { - int random = (rng_getInt(rng)+1) % 128; // max 2357 - float force = rng_getFloat(rng) + 1.0f; + int random = (BLI_rng_get_int(rng)+1) % 128; // max 2357 + float force = BLI_rng_get_float(rng) + 1.0f; float ret; float sign = 0; @@ -713,8 +718,8 @@ static void get_effector_tot(EffectorCache *eff, EffectorData *efd, EffectedPoin if (eff->pd->forcefield == PFIELD_CHARGE) { /* Only the charge of the effected particle is used for - * interaction, not fall-offs. If the fall-offs aren't the - * same this will be unphysical, but for animation this + * interaction, not fall-offs. If the fall-offs aren't the + * same this will be unphysical, but for animation this * could be the wanted behavior. If you want physical * correctness the fall-off should be spherical 2.0 anyways. */ @@ -823,7 +828,7 @@ static void do_physical_effector(EffectorCache *eff, EffectorData *efd, Effected { PartDeflect *pd = eff->pd; RNG *rng = pd->rng; - float force[3]={0, 0, 0}; + float force[3] = {0, 0, 0}; float temp[3]; float fac; float strength = pd->f_strength; @@ -922,12 +927,27 @@ static void do_physical_effector(EffectorCache *eff, EffectorData *efd, Effected mul_v3_fl(force, -efd->falloff * fac * (strength * fac + damp)); break; + case PFIELD_SMOKEFLOW: + zero_v3(force); + if (pd->f_source) { + float density; + if ((density = smoke_get_velocity_at(pd->f_source, point->loc, force)) >= 0.0f) { + float influence = strength * efd->falloff; + if (pd->flag & PFIELD_SMOKE_DENSITY) + influence *= density; + mul_v3_fl(force, influence); + /* apply flow */ + madd_v3_v3fl(total_force, point->vel, -pd->f_flow * influence); + } + } + break; + } if (pd->flag & PFIELD_DO_LOCATION) { madd_v3_v3fl(total_force, force, 1.0f/point->vel_to_sec); - if (ELEM(pd->forcefield, PFIELD_HARMONIC, PFIELD_DRAG)==0 && pd->f_flow != 0.0f) { + if (ELEM3(pd->forcefield, PFIELD_HARMONIC, PFIELD_DRAG, PFIELD_SMOKEFLOW)==0 && pd->f_flow != 0.0f) { madd_v3_v3fl(total_force, point->vel, -pd->f_flow * efd->falloff); } } @@ -993,12 +1013,14 @@ void pdDoEffectors(ListBase *effectors, ListBase *colliders, EffectorWeights *we if (efd.falloff > 0.0f) efd.falloff *= eff_calc_visibility(colliders, eff, &efd, point); - if (efd.falloff <= 0.0f) - ; /* don't do anything */ - else if (eff->pd->forcefield == PFIELD_TEXTURE) + if (efd.falloff <= 0.0f) { + /* don't do anything */ + } + else if (eff->pd->forcefield == PFIELD_TEXTURE) { do_texture_effector(eff, &efd, point, force); + } else { - float temp1[3]={0, 0, 0}, temp2[3]; + float temp1[3] = {0, 0, 0}, temp2[3]; copy_v3_v3(temp1, force); do_physical_effector(eff, &efd, point, force); |