diff options
Diffstat (limited to 'source/blender/blenkernel/intern/effect.c')
| -rw-r--r-- | source/blender/blenkernel/intern/effect.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c index 4f4bafd00b4..495814acbee 100644 --- a/source/blender/blenkernel/intern/effect.c +++ b/source/blender/blenkernel/intern/effect.c @@ -84,6 +84,7 @@ #include "BKE_object.h" #include "BKE_particle.h" #include "BKE_scene.h" +#include "BKE_smoke.h" #include "RE_render_ext.h" @@ -137,6 +138,9 @@ 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; @@ -922,12 +926,27 @@ 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); } } |