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rescaled stregth of wind and forcefield effects by some magnitudes

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wind 250
field 1000
yeah WARNING to all testers:
tighten belts
scale down wind and forcefield settings (IPOs)
This commit is contained in:
Jens Ole Wund
2005-04-21 18:58:15 +00:00
parent 8a75569f9a
commit c5214c1571
1 changed files with 12 additions and 15 deletions
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27
source/blender/blenkernel/intern/softbody.c
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@@ -358,14 +358,18 @@ static int is_there_deflection(unsigned int layer)
return retval;
}
static void softbody_calc_forces(Object *ob, float forcetime)
{
/* rule we never alter free variables :bp->vec bp->pos in here !
* this will ruin adaptive stepsize AKA heun! (BM)
*/
SoftBody *sb= ob->soft; // is supposed to be there
BodyPoint *bp;
BodyPoint *bproot;
BodySpring *bs;
float iks, ks, kd, gravity, actspringlen, forcefactor, sd[3];
float iks, ks, kd, gravity, actspringlen, forcefactor, sd[3],
fieldfactor = 1000.0f,
windfactor = 250.0f;
int a, b, do_effector;
/* clear forces */
@@ -423,22 +427,15 @@ static void softbody_calc_forces(Object *ob, float forcetime)
pdDoEffector(bp->pos, force, speed, (float)G.scene->r.cfra, ob->lay,PE_WIND_AS_SPEED);
// note: now we have wind as motion of media, so we can do anisotropic stuff here,
// if we had vertex normals here(BM)
/* apply force */
// VecMulf(force, rescale_grav_to_framerate); <- didn't work, made value far too low!
VecMulf(force,25.0f* eval_sb_fric_force_scale);
/* apply forcefield*/
VecMulf(force,fieldfactor* eval_sb_fric_force_scale);
VECADD(bp->force, bp->force, force);
/* apply speed. note; deflector can give 'speed' only.... */
/* nooo! we never alter free variables :bp->vec bp->pos in here !
* this will ruin adative stepsize AHA heun! (BM)
* VECADD(bp->vec, bp->vec, speed);
*/
/* friction in moving media */
/* friction in moving media */
kd= sb->mediafrict* eval_sb_fric_force_scale;
bp->force[0] -= kd * (bp->vec[0] + speed[0]/eval_sb_fric_force_scale);
bp->force[1] -= kd * (bp->vec[1] + speed[1]/eval_sb_fric_force_scale);
bp->force[2] -= kd * (bp->vec[2] + speed[2]/eval_sb_fric_force_scale);
bp->force[0] -= kd * (bp->vec[0] + windfactor*speed[0]/eval_sb_fric_force_scale);
bp->force[1] -= kd * (bp->vec[1] + windfactor*speed[1]/eval_sb_fric_force_scale);
bp->force[2] -= kd * (bp->vec[2] + windfactor*speed[2]/eval_sb_fric_force_scale);
/* now we'll have nice centrifugal effect for vortex */
}