ETERM *space_add_body(ETERM *fromp, ETERM *argp) {
// get the args
ETERM *space_refp = erl_element(1, argp);
ETERM *idp = erl_element(2, argp);
ETERM *massp = erl_element(3, argp);
// ETERM *inertiap = erl_element(4, argp);
erlmunk_space *s;
int space_id = ERL_REF_NUMBER(space_refp);
HASH_FIND_INT(erlmunk_spaces, &space_id, s);
int object_id = ERL_INT_VALUE(idp);
cpBody *body = cpSpaceAddBody(s->space,
cpBodyNew(ERL_FLOAT_VALUE(massp),
INFINITY));
// the body is created inactive, it is explicitly activated
// when all it's values have been set.
cpBodySleep(body);
erlmunk_body_data *data = malloc(sizeof(erlmunk_body_data));
data->id = object_id;
data->term = NULL;
cpBodySetUserData(body, (cpDataPointer) data);
space_add_body_hash(s, object_id, body);
return NULL;
}
/* Forces a body to sleep. Cannot be called from a callback! */
static int l_physics_setBodySleep(lua_State* state)
{
l_tools_checkUserDataPlusErrMsg(state, 1, "You must provide a body");
l_physics_Body* body = (l_physics_Body*)lua_touserdata(state, 1);
cpBodySleep(body->body);
return 0;
}
void PhysicsBody::setResting(bool rest) const
{
if (rest && !isResting())
{
cpBodySleep(_info->getBody());
}else if(!rest && isResting())
{
cpBodyActivate(_info->getBody());
}
}
void cBody::Sleep() {
cpBodySleep( mBody );
}
static VALUE
rb_cpBodySleep(VALUE self) {
cpBody * body = rb_cpBodySleepValidate(self);
cpBodySleep(body);
return self;
}
void Body::sleep()
{
cpBodySleep(body);
}
