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soft body property nodemass became 'hot' for meshes

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could not test for lattices and curves since parts of the UI 
is missing
will try to fix this next .. hurms not knowing what i am
doing there
This commit is contained in:
Jens Ole Wund(bjornmose)
2010-03-13 21:22:56 +00:00
parent eea9453470
commit c56f04d349
1 changed files with 22 additions and 12 deletions
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34
source/blender/blenkernel/intern/softbody.c
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@@ -238,6 +238,18 @@ static float _final_goal(Object *ob,BodyPoint *bp)/*jow_go_for2_5 */
printf("_final_goal failed! sb or bp ==NULL \n" );
return f; /*using crude but spot able values some times helps debuggin */
}
static float _final_mass(Object *ob,BodyPoint *bp)
{
if (ob){
SoftBody *sb= ob->soft; /* is supposed to be there */
if (sb&&bp){
return(bp->mass*sb->nodemass);
}
}
printf("_final_mass failed! sb or bp ==NULL \n" );
return 1.0f;
}
/* helper functions for everything is animateble jow_go_for2_5 ------*/
/*+++ collider caching and dicing +++*/
@@ -894,7 +906,7 @@ static void renew_softbody(Scene *scene, Object *ob, int totpoint, int totspring
bp->colball = 0.0f;
bp->flag = 0;
bp->springweight = 1.0f;
bp->mass = sb->nodemass;
bp->mass = 1.0f;
}
}
}
@@ -2234,14 +2246,14 @@ static int _softbody_calc_forces_slice_in_a_thread(Scene *scene, Object *ob, flo
mid_v3_v3v3(velcenter, bp->vec, obp->vec);
sub_v3_v3v3(dvel,velcenter,bp->vec);
mul_v3_fl(dvel,bp->mass);
mul_v3_fl(dvel,_final_mass(ob,bp));
Vec3PlusStVec(bp->force,f*(1.0f-sb->balldamp),def);
Vec3PlusStVec(bp->force,sb->balldamp,dvel);
/* exploit force(a,b) == -force(b,a) part2/2 */
sub_v3_v3v3(dvel,velcenter,obp->vec);
mul_v3_fl(dvel,bp->mass);
mul_v3_fl(dvel,_final_mass(ob,bp));
Vec3PlusStVec(obp->force,sb->balldamp,dvel);
Vec3PlusStVec(obp->force,-f*(1.0f-sb->balldamp),def);
@@ -2287,7 +2299,7 @@ static int _softbody_calc_forces_slice_in_a_thread(Scene *scene, Object *ob, flo
if (sb && scene->physics_settings.flag & PHYS_GLOBAL_GRAVITY){
float gravity[3];
VECCOPY(gravity, scene->physics_settings.gravity);
mul_v3_fl(gravity, sb_grav_force_scale(ob)*bp->mass*sb->effector_weights->global_gravity); /* individual mass of node here */
mul_v3_fl(gravity, sb_grav_force_scale(ob)*_final_mass(ob,bp)*sb->effector_weights->global_gravity); /* individual mass of node here */
add_v3_v3v3(bp->force, bp->force, gravity);
}
@@ -2605,7 +2617,7 @@ static void softbody_calc_forces(Scene *scene, Object *ob, float forcetime, floa
mid_v3_v3v3(velcenter, bp->vec, obp->vec);
sub_v3_v3v3(dvel,velcenter,bp->vec);
mul_v3_fl(dvel,bp->mass);
mul_v3_fl(dvel,_final_mass(ob,bp));
Vec3PlusStVec(bp->force,f*(1.0f-sb->balldamp),def);
Vec3PlusStVec(bp->force,sb->balldamp,dvel);
@@ -2636,7 +2648,7 @@ static void softbody_calc_forces(Scene *scene, Object *ob, float forcetime, floa
/* exploit force(a,b) == -force(b,a) part2/2 */
sub_v3_v3v3(dvel,velcenter,obp->vec);
mul_v3_fl(dvel,(bp->mass+obp->mass)/2.0f);
mul_v3_fl(dvel,(_final_mass(ob,bp)+_final_mass(ob,obp))/2.0f);
Vec3PlusStVec(obp->force,sb->balldamp,dvel);
Vec3PlusStVec(obp->force,-f*(1.0f-sb->balldamp),def);
@@ -2696,7 +2708,7 @@ static void softbody_calc_forces(Scene *scene, Object *ob, float forcetime, floa
/* gravitation */
VECADDFAC(bp->force, bp->force, gravity, bp->mass); /* individual mass of node here */
VECADDFAC(bp->force, bp->force, gravity, _final_mass(ob,bp)); /* individual mass of node here */
/* particle field & vortex */
@@ -2916,7 +2928,7 @@ static void softbody_apply_forces(Object *ob, float forcetime, int mode, float *
for(a=sb->totpoint, bp= sb->bpoint; a>0; a--, bp++) {
/* now we have individual masses */
/* claim a minimum mass for vertex */
if (bp->mass > 0.009999f) timeovermass = forcetime/bp->mass;
if (_final_mass(ob,bp) > 0.009999f) timeovermass = forcetime/_final_mass(ob,bp);
else timeovermass = forcetime/0.009999f;
@@ -3301,10 +3313,8 @@ static void mesh_to_softbody(Scene *scene, Object *ob)
}
/* to proove the concept
this would enable per vertex *mass painting*
this enables per vertex *mass painting*
*/
/* first set the default */
bp->mass = sb->nodemass;
if (sb->namedVG_Mass[0])
{
@@ -3312,7 +3322,7 @@ static void mesh_to_softbody(Scene *scene, Object *ob)
/* printf("VGN %s %d \n",sb->namedVG_Mass,grp); */
if(grp > -1){
get_scalar_from_vertexgroup(ob, a,(short) (grp), &bp->mass);
bp->mass = bp->mass * sb->nodemass;
/* 2.5 bp->mass = bp->mass * sb->nodemass; */
/* printf("bp->mass %f \n",bp->mass); */
}