feat(goals): add cinematic celebration sequence

Game/scripts/ship_camera.gd

@@ -48,6 +48,9 @@ var _shake_strength := 0.0
 var _shake_noise := FastNoiseLite.new()
 var _shake_time := 0.0
 var _last_shake_offset := Vector3.ZERO
+var _goal_cut_active := false
+var _goal_cut_position := Vector3.ZERO
+var _goal_cut_look_at := Vector3.ZERO
 
 
 func _ready():
@@ -86,6 +89,9 @@ func _physics_process(delta):
 	_last_shake_offset = Vector3.ZERO
 	if not is_instance_valid(target):
 		return
+	if _goal_cut_active:
+		_smooth_look_at(_goal_cut_look_at, delta)
+		return
 	_update_speed_feel(delta)
 	var ball := _get_ball()
 	if ball_cam_enabled and ball:
@@ -199,3 +205,26 @@ func _apply_shake(delta: float) -> void:
 	_last_shake_offset = camera.global_basis.x * noise.x + camera.global_basis.y * noise.y
 	camera.global_position += _last_shake_offset
 	_shake_strength = move_toward(_shake_strength, 0.0, shake_decay * delta)
+
+
+func begin_goal_cut(goal_position: Vector3) -> void:
+	_goal_cut_active = true
+	# The hard cut replaces the chase camera's presentation offset entirely;
+	# don't let the next physics frame subtract a pre-cut shake sample from the
+	# new cinematic position.
+	camera.global_position -= _last_shake_offset
+	_last_shake_offset = Vector3.ZERO
+	var inward := Vector3(-goal_position.x, 0.0, -goal_position.z)
+	if inward.length_squared() < 0.01:
+		inward = Vector3.BACK
+	else:
+		inward = inward.normalized()
+	_goal_cut_position = goal_position + inward * 10.5 + Vector3.UP * 5.5
+	_goal_cut_look_at = goal_position + Vector3.UP * 0.8
+	camera.global_position = _goal_cut_position
+	camera.fov = 58.0
+	camera.look_at(_goal_cut_look_at, Vector3.UP)
+
+
+func end_goal_cut() -> void:
+	_goal_cut_active = false