void
plAttachParticleSystem3f(PLparticles *ps, PLobject *obj, float x, float y, float z)
{
assert(ps != NULL);
assert(obj != NULL);
assert(ps->obj == NULL);
obj_array_push(&obj->psystem, ps);
ps->obj = obj;
if (obj->parent) {
obj_array_push(&obj->parent->sys->world->partSys, ps);
} else {
obj_array_push(&obj->sys->world->partSys, ps);
}
ps->p = vf3_set(x, y, z);
}
void
sgSceneAddObj(SGscene *sc, SGdrawable *object)
{
assert(sc != NULL);
assert(object != NULL);
object->scene = sc;
obj_array_push(&sc->objs, object);
}
pl_astrobody_t*
pl_new_obj_in_sys(pl_system_t *sys, const char *name, double m, double gm,
lwcoord_t *coord, quaternion_t q, double siderealPeriod, double obliquity,
double radius, double flattening)
{
pl_astrobody_t *obj = pl_new_obj(sys->world, name, m, gm, coord,
q, siderealPeriod, obliquity,
radius, flattening);
obj->sys = sys;
obj_array_push(&sys->astroObjs, obj);
return obj;
}
void
pl_collcontext_insert_object(pl_collisioncontext_t *ctxt, pl_recgrid_t *grid, pl_object_t *obj)
{
int octant = getoctant(&grid->centre, obj);
if (grid->children[octant] && fits(grid->children[octant], obj)){
pl_collcontext_insert_object(ctxt, grid->children[octant], obj);
} else {
obj_array_push(&grid->objs, obj);
}
if (grid->objs.length > THRESHOLD) {
split(ctxt, grid);
}
}
void
plInsertObject(PLcollisioncontext *ctxt, PLrecgrid *grid, PLobject *obj)
{
int octant = getoctant(&grid->centre, obj);
if (grid->children[octant] && fits(grid->children[octant], obj)){
plInsertObject(ctxt, grid->children[octant], obj);
} else {
obj_array_push(&grid->objs, obj);
}
if (grid->objs.length > THRESHOLD) {
split(ctxt, grid);
}
}
SGscene*
sgNewScene(SGscenegraph *sg, const char *name)
{
assert(name != NULL);
SGscene *sc = malloc(sizeof(SGscene));
sc->name = strdup(name);
sc->amb[0] = 0.2;
sc->amb[1] = 0.2;
sc->amb[2] = 0.2;
sc->amb[3] = 1.0;
sc->sg = sg;
sc->lights = calloc(sg->maxLights, sizeof(SGlight*));
obj_array_init(&sc->objs);
obj_array_push(&sg->scenes, sc);
return sc;
}
pl_system_t*
pl_new_sub_orbit(pl_system_t *parent, const char *name,
double m, double gm,
double orbitPeriod, double obliquity, double siderealPeriod,
double semiMaj, double semiMin,
double inc, double ascendingNode, double argOfPeriapsis,
double meanAnomaly,
double eqRadius, double flattening)
{
assert(parent);
assert(parent->world);
pl_system_t * sys = pl_new_orbital_object(parent->world,
name, m, gm, orbitPeriod, obliquity, siderealPeriod,
semiMaj, semiMin,
inc, ascendingNode, argOfPeriapsis, meanAnomaly,
eqRadius, flattening);
sys->parent = parent;
obj_array_push(&parent->orbits, sys);
pl_sys_set_current_pos(sys);
return sys;
}
void
sgAddOverlay(SGscenegraph *sg, SGoverlay *overlay)
{
obj_array_push(&sg->overlays, overlay);
}
