diff --git a/src/physics_worker.rs b/src/physics_worker.rs
index 24587ae..7d1da1e 100644
--- a/src/physics_worker.rs
+++ b/src/physics_worker.rs
@@ -1,6 +1,8 @@
 use crate::physics::{MouseState,PhysicsInputInstruction};
 use strafesnet_common::integer::Time;
-use strafesnet_common::instruction::{TimedInstruction,InstructionConsumer};
+use strafesnet_common::instruction::TimedInstruction;
+use strafesnet_common::timer::{Scaled,Timer,TimerState};
+
 #[derive(Debug)]
 pub enum InputInstruction{
 	MoveMouse(glam::IVec2),
@@ -22,12 +24,14 @@ pub enum Instruction{
 	Resize(winit::dpi::PhysicalSize<u32>,crate::settings::UserSettings),
 	GenerateModels(strafesnet_common::map::CompleteMap),
 	ClearModels,
+	SetPaused(bool),
 	//Graphics(crate::graphics_worker::Instruction),
 }
 pub struct MouseInterpolator{
 	timeline:std::collections::VecDeque<TimedInstruction<PhysicsInputInstruction>>,
-	last_mouse_time:Time,
+	last_mouse_time:Time,//this value is pre-transformed to simulation time
 	mouse_blocking:bool,
+	timer:Timer<Scaled>,
 }
 impl MouseInterpolator{
 	fn push_mouse_instruction(&mut self,physics:&crate::physics::PhysicsContext,ins:&TimedInstruction<Instruction>,m:glam::IVec2){
@@ -35,7 +39,7 @@ impl MouseInterpolator{
 			//tell the game state which is living in the past about its future
 			self.timeline.push_front(TimedInstruction{
 				time:self.last_mouse_time,
-				instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:m}),
+				instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:self.timer.time(ins.time),pos:m}),
 			});
 		}else{
 			//mouse has just started moving again after being still for longer than 10ms.
@@ -44,13 +48,13 @@ impl MouseInterpolator{
 				time:self.last_mouse_time,
 				instruction:PhysicsInputInstruction::ReplaceMouse(
 					MouseState{time:self.last_mouse_time,pos:physics.get_next_mouse().pos},
-					MouseState{time:ins.time,pos:m}
+					MouseState{time:self.timer.time(ins.time),pos:m}
 				),
 			});
 			//delay physics execution until we have an interpolation target
 			self.mouse_blocking=true;
 		}
-		self.last_mouse_time=ins.time;
+		self.last_mouse_time=self.timer.time(ins.time);
 	}
 	/// returns the mapped physics input instruction
 	/// may or may not mutate internal state XD!
@@ -58,7 +62,9 @@ impl MouseInterpolator{
 		match &ins.instruction{
 			Instruction::Input(input_instruction)=>match input_instruction{
 				&InputInstruction::MoveMouse(m)=>{
-					self.push_mouse_instruction(physics,ins,m);
+					if !self.timer.is_paused(){
+						self.push_mouse_instruction(physics,ins,m);
+					}
 					None
 				},
 				&InputInstruction::MoveForward(s)=>Some(PhysicsInputInstruction::SetMoveForward(s)),
@@ -73,10 +79,18 @@ impl MouseInterpolator{
 				InputInstruction::Restart=>Some(PhysicsInputInstruction::Restart),
 				InputInstruction::PracticeFly=>Some(PhysicsInputInstruction::PracticeFly),
 			},
+			//do these really need to idle the physics?
+			//sending None dumps the instruction queue
 			Instruction::GenerateModels(_)=>Some(PhysicsInputInstruction::Idle),
 			Instruction::ClearModels=>Some(PhysicsInputInstruction::Idle),
 			Instruction::Resize(_,_)=>Some(PhysicsInputInstruction::Idle),
 			Instruction::Render=>Some(PhysicsInputInstruction::Idle),
+			&Instruction::SetPaused(paused)=>{
+				if let Err(e)=self.timer.set_paused(ins.time,paused){
+					println!("Cannot pause: {e}");
+				}
+				Some(PhysicsInputInstruction::Idle)
+			},
 		}
 	}
 	fn update_mouse_blocking(&mut self,physics:&crate::physics::PhysicsContext,ins:&TimedInstruction<Instruction>)->bool{
@@ -85,13 +99,13 @@ impl MouseInterpolator{
 			//shitty mice are 125Hz which is 8ms so this should cover that.
 			//setting this to 100us still doesn't print even though it's 10x lower than the polling rate,
 			//so mouse events are probably not handled separately from drawing and fire right before it :(
-			if Time::from_millis(10)<ins.time-physics.get_next_mouse().time{
+			if Time::from_millis(10)<self.timer.time(ins.time)-physics.get_next_mouse().time{
 				//push an event to extrapolate no movement from
 				self.timeline.push_front(TimedInstruction{
 					time:self.last_mouse_time,
-					instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:ins.time,pos:physics.get_next_mouse().pos}),
+					instruction:PhysicsInputInstruction::SetNextMouse(MouseState{time:self.timer.time(ins.time),pos:physics.get_next_mouse().pos}),
 				});
-				self.last_mouse_time=ins.time;
+				self.last_mouse_time=self.timer.time(ins.time);
 				//stop blocking. the mouse is not moving so the physics does not need to live in the past and wait for interpolation targets.
 				self.mouse_blocking=false;
 				true
@@ -101,7 +115,7 @@ impl MouseInterpolator{
 		}else{
 			//keep this up to date so that it can be used as a known-timestamp
 			//that the mouse was not moving when the mouse starts moving again
-			self.last_mouse_time=ins.time;
+			self.last_mouse_time=self.timer.time(ins.time);
 			true
 		}
 	}
@@ -110,7 +124,7 @@ impl MouseInterpolator{
 		if let Some(phys_input)=phys_input_option{
 			//non-mouse event
 			self.timeline.push_back(TimedInstruction{
-				time:ins.time,
+				time:self.timer.time(ins.time),
 				instruction:phys_input,
 			});
 
@@ -140,12 +154,13 @@ pub fn new(mut physics:crate::physics::PhysicsContext,mut graphics_worker:crate:
 		mouse_blocking:true,
 		last_mouse_time:physics.get_next_mouse().time,
 		timeline:std::collections::VecDeque::new(),
+		timer:Timer::from_state(Scaled::identity(),false),
 	};
 	crate::compat_worker::QNWorker::new(move |ins:TimedInstruction<Instruction>|{
 		interpolator.handle_instruction(&mut physics,&ins);
 		match ins.instruction{
 			Instruction::Render=>{
-				graphics_worker.send(crate::graphics_worker::Instruction::Render(physics.output(),ins.time,physics.get_next_mouse().pos)).unwrap();
+				graphics_worker.send(crate::graphics_worker::Instruction::Render(physics.output(),interpolator.timer.time(ins.time),physics.get_next_mouse().pos)).unwrap();
 			},
 			Instruction::Resize(size,user_settings)=>{
 				graphics_worker.send(crate::graphics_worker::Instruction::Resize(size,user_settings)).unwrap();
diff --git a/src/window.rs b/src/window.rs
index 54ff59a..a75fa3f 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -35,8 +35,12 @@ impl WindowContext<'_>{
 					Err(e)=>println!("Failed to load map: {e}"),
 				}
 			},
-			winit::event::WindowEvent::Focused(_state)=>{
+			winit::event::WindowEvent::Focused(state)=>{
 				//pause unpause
+				self.physics_thread.send(TimedInstruction{
+					time,
+					instruction:crate::physics_worker::Instruction::SetPaused(!state),
+				}).unwrap();
 				//recalculate pressed keys on focus
 			},
 			winit::event::WindowEvent::KeyboardInput{