init

scripts/camera_targeter.gd

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+extends Camera3D
+
+## ターゲットとなるNode3Dオブジェクト
+@export var target: Node3D
+
+## カメラの回転感度
+@export var mouse_sensitivity: float = 0.003
+
+## ターゲットからの距離
+@export var distance: float = 5.0
+
+## 最小・最大距離
+@export var min_distance: float = 2.0
+@export var max_distance: float = 20.0
+
+## ズーム速度
+@export var zoom_speed: float = 0.5
+
+## 縦方向の回転制限（ラジアン）
+@export var min_pitch: float = -PI / 2 + 0.1
+@export var max_pitch: float = PI / 2 - 0.1
+
+## マウスボタン（右クリックでカメラ操作）
+@export var rotate_button: MouseButton = MOUSE_BUTTON_RIGHT
+
+# 内部変数
+var _yaw: float = 0.0  # 水平回転
+var _pitch: float = 0.0  # 垂直回転
+var _is_rotating: bool = false
+
+
+func _ready() -> void:
+	# 初期角度を設定
+	if target:
+		var direction = global_position - target.global_position
+		_yaw = atan2(direction.x, direction.z)
+		_pitch = asin(direction.y / direction.length())
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	# マウスボタンの押下/離す
+	if event is InputEventMouseButton:
+		if event.button_index == rotate_button:
+			_is_rotating = event.pressed
+
+		# マウスホイールでズーム
+		elif event.button_index == MOUSE_BUTTON_WHEEL_UP:
+			distance = clamp(distance - zoom_speed, min_distance, max_distance)
+		elif event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
+			distance = clamp(distance + zoom_speed, min_distance, max_distance)
+
+	# マウス移動で回転
+	elif event is InputEventMouseMotion and _is_rotating:
+		_yaw -= event.relative.x * mouse_sensitivity
+		_pitch += event.relative.y * mouse_sensitivity
+		_pitch = clamp(_pitch, min_pitch, max_pitch)
+
+
+func _process(_delta: float) -> void:
+	if not target:
+		return
+
+	# 球面座標系でカメラ位置を計算
+	var offset = Vector3(
+		cos(_pitch) * sin(_yaw),
+		sin(_pitch),
+		cos(_pitch) * cos(_yaw)
+	) * distance
+
+	# カメラ位置を設定
+	global_position = target.global_position + offset
+
+	# ターゲットを見る
+	look_at(target.global_position, Vector3.UP)

scripts/camera_targeter.gd.uid

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+uid://d1hs43512acpp

scripts/physics_movement.gd

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+extends RigidBody3D
+
+## 移動の基準となるカメラ
+@export var camera: Camera3D
+
+## 移動加速度
+@export var move_force: float = 10.0
+
+## ジャンプ力
+@export var jump_force: float = 8.0
+
+## 空中での移動制御（0.0-1.0、1.0で地上と同じ）
+@export var air_control: float = 0.3
+
+## 地面判定用のレイキャスト距離
+@export var ground_check_distance: float = 0.6
+
+# 内部変数
+var _is_on_ground: bool = false
+var _ground_check_ray: RayCast3D
+
+
+func _ready() -> void:
+	# 地面判定用のレイキャストを作成
+	_ground_check_ray = RayCast3D.new()
+	_ground_check_ray.target_position = Vector3(0, -ground_check_distance, 0)
+	_ground_check_ray.enabled = true
+	add_child(_ground_check_ray)
+
+
+func _physics_process(delta: float) -> void:
+	# レイキャストをグローバル座標系で下向きに固定
+	_ground_check_ray.global_rotation = Vector3.ZERO
+
+	# 地面判定
+	_is_on_ground = _ground_check_ray.is_colliding()
+
+	# 入力取得
+	var input_dir = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
+
+	# カメラ基準の移動方向を計算
+	var move_direction = _get_camera_relative_direction(input_dir)
+
+	# 移動力を適用
+	if move_direction.length() > 0:
+		var control_factor = air_control if not _is_on_ground else 1.0
+		var force = move_direction * move_force * control_factor
+		apply_central_force(force)
+
+	# ジャンプ
+	if Input.is_action_just_pressed("ui_accept") and _is_on_ground:
+		linear_velocity.y = jump_force
+
+
+func _get_camera_relative_direction(input_dir: Vector2) -> Vector3:
+	
+	if not camera:
+		# カメラが設定されていない場合はワールド座標基準
+		return Vector3(input_dir.x, 0, input_dir.y).normalized()
+
+	# カメラの前方向と右方向を取得（Y軸は無視して水平面に射影）
+	var cam_forward = -camera.global_transform.basis.z
+	cam_forward.y = 0
+	cam_forward = cam_forward.normalized()
+
+	var cam_right = camera.global_transform.basis.x
+	cam_right.y = 0
+	cam_right = cam_right.normalized()
+
+	# 入力方向をカメラ基準に変換
+	var direction = (cam_right * input_dir.x + cam_forward * -input_dir.y).normalized()
+
+	return direction

scripts/physics_movement.gd.uid

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+uid://cwg212lk7rfi2