diff --git a/boxboy/boxboy.gd b/boxboy/boxboy.gd
index a0db298..b5087af 100644
--- a/boxboy/boxboy.gd
+++ b/boxboy/boxboy.gd
@@ -2,30 +2,49 @@ extends CharacterBody2D
 
 @onready var _sprite = $AnimatedSprite2D
 
-const GRAVITY: Vector2 = Vector2(0, 9.8)
-const MAX_SPEED: int = 500
-const IMPULSE: int = 80
-const JUMP: int = -400 #TODO: proper jump arch
+const MOVE_FORCE: int = 300
+const JUMP_FORCE: int = 800
 
+const GRAVITY_UP: int = 15
+const GRAVITY_DOWN: int = 30
+
+const MAX_MOVE_SPEED: int = 300
+const MAX_FALL_SPEED: int = 500
+
+#boilerplate
 func _ready():
 	_sprite.play("idle", 1)
 
-#physics and controls
+#movement
 func _physics_process(_delta) -> void:
-	#falling or jumping
+	#input, jumps
 	if is_on_floor() and Input.is_action_just_pressed("input_jump"):
-		velocity.y = JUMP
+		velocity.y -= JUMP_FORCE
 	
-	velocity += GRAVITY
+	#fall faster than you rise
+	if is_airborne_rising() and Input.is_action_pressed("input_jump"):
+		velocity.y += GRAVITY_UP
+	else:
+		velocity.y += GRAVITY_DOWN
 	
-	var direction = Input.get_axis("input_left", "input_right")
-	if direction:
-		velocity.x += IMPULSE * direction
-		if abs(velocity.x) > MAX_SPEED:
-			velocity.x = MAX_SPEED * sign(velocity.x)
+	if is_airborne_falling() and velocity.y > MAX_FALL_SPEED:
+		velocity.y = MAX_FALL_SPEED
+	
+	#input, walking
+	var move_dir = Input.get_axis("input_left", "input_right")
+	
+	#move with a maximum value
+	if move_dir:
+		velocity.x += MOVE_FORCE * move_dir
+		if abs(velocity.x) > MAX_MOVE_SPEED:
+			velocity.x = MAX_MOVE_SPEED * sign(velocity.x)
+	
+	#no input, slow down
 	elif velocity.x != 0:
 		velocity.x = log(abs(velocity.x)) * sign(velocity.x)
 	
+	print(velocity)
+	#do the thing
 	move_and_slide()
 
 #animation stuff
@@ -34,3 +53,8 @@ func _on_animation_finished() -> void:
 		_sprite.play("idle_glance", 2)
 	else:
 		_sprite.play("idle", 2)
+
+#utils
+func is_airborne() -> bool: return !is_on_floor()
+func is_airborne_rising() -> bool: return !is_on_floor() and velocity.y < 0
+func is_airborne_falling() -> bool: return !is_on_floor() and velocity.y >= 0