fix: correct axis direction, air accel, and jump/dash input handling

debug/test_level_builder.gd

@@ -40,7 +40,7 @@ func _build_input_map() -> void:
 		"jump": [KEY_SPACE],
 		"sprint": [KEY_SHIFT],
 		"crouch": [KEY_CTRL],
-		"dash": [KEY_SHIFT],
+		"dash": [KEY_LEFT_SHIFT],
 		"fire": [MOUSE_BUTTON_RIGHT, KEY_F],
 		"fire_alt": [MOUSE_BUTTON_LEFT],
 		"reload": [KEY_R],
@@ -94,7 +94,7 @@ func _build_lighting() -> void:
 func _build_player() -> void:
 	var player := CharacterBody3D.new()
 	player.name = "Player"
-	player.position = Vector3(0, 1.4, 8)
+	player.position = Vector3(0, 1.7, 8)
 	add_child(player)
 	var shape := CollisionShape3D.new()
 	shape.shape = CapsuleShape3D.new()

movement/player_movement_controller.gd

@@ -50,11 +50,11 @@ func _process(_delta: float) -> void:
 	var sm := _ensure_machine()
 	if not sm:
 		return
-	sm.input_jump_just_pressed = Input.is_action_just_pressed("jump") and not sm.input_jump_pressed
+	sm.input_jump_just_pressed = Input.is_action_just_pressed("jump")
 	sm.input_jump_pressed = Input.is_action_pressed("jump")
 	sm.input_sprint = Input.is_action_pressed("sprint")
 	sm.input_crouch = Input.is_action_pressed("crouch")
-	sm.input_dash = Input.is_action_just_pressed("dash") and not sm.input_dash
+	sm.input_dash = Input.is_action_just_pressed("dash")
 	sm.input_dir = Input.get_vector("move_left", "move_right", "move_forward", "move_back")
 
 	# DEBUG: emit every frame so we can see whether inputs reach the controller.

movement/states/state_air.gd

@@ -22,7 +22,7 @@ func update(delta: float) -> void:
 
 	# Input direction
 	var input_v := machine.input_dir
-	var wish_dir := Vector3(input_v.x, 0.0, -input_v.y)
+	var wish_dir := Vector3(input_v.x, 0.0, input_v.y)
 	if wish_dir.length_squared() > 1.0:
 		wish_dir = wish_dir.normalized()
 
@@ -31,7 +31,7 @@ func update(delta: float) -> void:
 	var hvel := Vector3(vel.x, 0.0, vel.z)
 	var target_vel := wish_dir * effective_speed * params.air_control
 
-	hvel = hvel.lerp(Vector3(hvel.x + target_vel.x, 0.0, hvel.z + target_vel.z), 1.0 - exp(-params.air_acceleration * delta))
+	hvel = hvel.lerp(target_vel, 1.0 - exp(-params.air_acceleration * delta))
 
 	vel.x = hvel.x
 	vel.z = hvel.z

movement/states/state_ground.gd

@@ -19,7 +19,7 @@ func update(delta: float) -> void:
 
 	# Input direction
 	var input_v := machine.input_dir
-	var wish_dir := Vector3(input_v.x, 0.0, -input_v.y)
+	var wish_dir := Vector3(input_v.x, 0.0, input_v.y)
 	if wish_dir.length_squared() > 1.0:
 		wish_dir = wish_dir.normalized()