diff --git a/src/physics_worker.rs b/src/physics_worker.rs
index 67d956c..193fe61 100644
--- a/src/physics_worker.rs
+++ b/src/physics_worker.rs
@@ -29,7 +29,7 @@ pub enum 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>,
 }
@@ -38,23 +38,23 @@ impl MouseInterpolator{
 		if self.mouse_blocking{
 			//tell the game state which is living in the past about its future
 			self.timeline.push_front(TimedInstruction{
-				time:self.timer.time(self.last_mouse_time),
+				time:self.last_mouse_time,
 				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.
 			//replace the entire mouse interpolation state to avoid an intermediate state with identical m0.t m1.t timestamps which will divide by zero
 			self.timeline.push_front(TimedInstruction{
-				time:self.timer.time(self.last_mouse_time),
+				time:self.last_mouse_time,
 				instruction:PhysicsInputInstruction::ReplaceMouse(
-					MouseState{time:self.timer.time(self.last_mouse_time),pos:physics.get_next_mouse().pos},
+					MouseState{time:self.last_mouse_time,pos:physics.get_next_mouse().pos},
 					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!
@@ -102,10 +102,10 @@ impl MouseInterpolator{
 			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.timer.time(self.last_mouse_time),
+					time:self.last_mouse_time,
 					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
@@ -115,7 +115,7 @@ impl MouseInterpolator{
 		}else{
 			//keep this up to date so that it can be used as a known-timestamp
 			//that the mouse was Timer<Scaled>not moving when the mouse starts moving again
-			self.last_mouse_time=ins.time;
+			self.last_mouse_time=self.timer.time(ins.time);
 			true
 		}
 	}