substep movement if laggy

1 files changed, 15 insertions, 1 deletions

diff --git a/client/player/controllable_player.gd b/client/player/controllable_player.gd
index 67a7ca09..e2864290 100644
--- a/client/player/controllable_player.gd
+++ b/client/player/controllable_player.gd
@@ -52,6 +52,21 @@ func _input(_event):
 		chat_open = !chat_open
 
 func _process(delta):
+	do_tick()
+	super(delta)
+
+const MAX_DT = 1./50.
+var last_tick = Time.get_ticks_usec()
+func do_tick():
+	var now = Time.get_ticks_usec()
+	var delta = (now - last_tick) / 1_000_000.
+	last_tick = now
+	while delta > 0.001:
+		var dt = min(delta, MAX_DT)
+		_process_movement(dt)
+		delta -= dt
+
+func _process_movement(delta):
 	var input = Input.get_vector("left", "right", "forward", "backwards")
 	var boost = Input.is_action_pressed("boost")
 	input = input.rotated( - game.camera.angle_target)
@@ -66,7 +81,6 @@ func _process(delta):
 		)
 	interact()
 	update(delta, input, boost)
-	super(delta)
 	character.walking = input.length_squared() > 0.1
 	character.boosting = boosting