diff --git a/src/bin/platformer/main.rs b/src/bin/platformer/main.rs
index 443dbfc..7953857 100644
--- a/src/bin/platformer/main.rs
+++ b/src/bin/platformer/main.rs
@@ -75,7 +75,10 @@ async fn main () -> Result <()> {
 	let mut depth_buffer = vec! [0u32; 320 * 2 * 240 * 2];
 	
 	'running: loop {
-		let _frames_to_do = time_step.step ();
+		let frames_to_do = time_step.step ();
+		if frames_to_do != 1 {
+			// debug! ("frames_to_do = {}", frames_to_do);
+		}
 		let mut player_gamepad = virtual_gamepad::VirtualGamepad::default ();
 		
 		for event in event_pump.poll_iter () {
@@ -139,9 +142,11 @@ async fn main () -> Result <()> {
 		
 		let p_gp = player_gamepad;
 		
-		let logic_step_output = game_state.logic.step (&level.phys_tris, &phys_params, p_gp);
-		if logic_step_output.reset_level {
-			game_state.logic.reset_level (&level);
+		for _ in 0..frames_to_do {
+			let logic_step_output = game_state.logic.step (&level.phys_tris, &phys_params, p_gp);
+			if logic_step_output.reset_level {
+				game_state.logic.reset_level (&level);
+			}
 		}
 		
 		// dbg! (game_state.logic.player.pos);