diff --git a/src/main.rs b/src/main.rs
index cb79127c..a356c3c0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -119,7 +119,7 @@ pub struct GlobalState{
 	manual_mouse_lock:bool,
 	mouse:physics::MouseState,
 	graphics:GraphicsState,
-	physics_thread:worker::Worker<TimedInstruction<InputInstruction>,physics::PhysicsOutputState>,
+	physics_thread:worker::CompatWorker<TimedInstruction<InputInstruction>,physics::PhysicsOutputState,Box<dyn FnMut(TimedInstruction<InputInstruction>)->physics::PhysicsOutputState>>,
 }
 
 impl GlobalState{
diff --git a/src/physics.rs b/src/physics.rs
index 7d7bcaeb..44da8dc3 100644
--- a/src/physics.rs
+++ b/src/physics.rs
@@ -566,11 +566,11 @@ impl PhysicsState {
 		self.intersects.clear();
 	}
 
-	pub fn into_worker(mut self)->crate::worker::Worker<TimedInstruction<InputInstruction>,PhysicsOutputState>{
+	pub fn into_worker(mut self)->crate::worker::CompatWorker<TimedInstruction<InputInstruction>,PhysicsOutputState,Box<dyn FnMut(TimedInstruction<InputInstruction>)->PhysicsOutputState>>{
 		let mut mouse_blocking=true;
 		let mut last_mouse_time=self.next_mouse.time;
 		let mut timeline=std::collections::VecDeque::new();
-		crate::worker::Worker::new(self.output(),move |ins:TimedInstruction<InputInstruction>|{
+		crate::worker::CompatWorker::new(self.output(),Box::new(move |ins:TimedInstruction<InputInstruction>|{
 			if if let Some(phys_input)=match ins.instruction{
 				InputInstruction::MoveMouse(m)=>{
 					if mouse_blocking{
@@ -650,7 +650,7 @@ impl PhysicsState {
 				}
 			}
 			self.output()
-		})
+		}))
 	}
 
 	pub fn output(&self)->PhysicsOutputState{
diff --git a/src/worker.rs b/src/worker.rs
index 52e03485..bdeb9573 100644
--- a/src/worker.rs
+++ b/src/worker.rs
@@ -45,6 +45,31 @@ impl<Task:Send+'static,Value:Clone+Send+'static> Worker<Task,Value> {
 	}
 }
 
+pub struct CompatWorker<Task,Value:Clone,F>{
+	data:std::marker::PhantomData<Task>,
+	f:F,
+	value:Value,
+}
+
+impl<Task,Value:Clone,F:FnMut(Task)->Value> CompatWorker<Task,Value,F> {
+	pub fn new(value:Value,f:F) -> Self {
+		Self {
+			f,
+			value,
+			data:std::marker::PhantomData,
+		}
+	}
+
+	pub fn send(&mut self,task:Task)->Result<(),()>{
+		self.value=(self.f)(task);
+		Ok(())
+	}
+
+	pub fn grab_clone(&self)->Value{
+		self.value.clone()
+	}
+}
+
 #[test]//How to run this test with printing: cargo test --release -- --nocapture
 fn test_worker() {
 	println!("hiiiii");