Add is_inside_tree() check to SpringBoneSimulator3D

scene/3d/spring_bone_simulator_3d.cpp

@@ -1344,6 +1344,9 @@ void SpringBoneSimulator3D::_find_collisions() {
 }
 
 void SpringBoneSimulator3D::_process_collisions() {
+	if (!is_inside_tree()) {
+		return;
+	}
 	for (const ObjectID &oid : collisions) {
 		Object *t_obj = ObjectDB::get_instance(oid);
 		if (!t_obj) {
@@ -1467,6 +1470,10 @@ void SpringBoneSimulator3D::_set_active(bool p_active) {
 }
 
 void SpringBoneSimulator3D::_process_modification() {
+	if (!is_inside_tree()) {
+		return;
+	}
+
 	Skeleton3D *skeleton = get_skeleton();
 	if (!skeleton) {
 		return;
@@ -1488,6 +1495,9 @@ void SpringBoneSimulator3D::_process_modification() {
 }
 
 void SpringBoneSimulator3D::reset() {
+	if (!is_inside_tree()) {
+		return;
+	}
 	Skeleton3D *skeleton = get_skeleton();
 	if (!skeleton) {
 		return;