godot: add initial game

game/Player.gd

@@ -0,0 +1,57 @@
+extends CharacterBody3D
+
+const SPEED = 5.0
+const JUMP_VELOCITY = 4.5
+const SENSITIVITY = 0.005
+
+var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
+
+@onready var head = $Head
+@onready var camera = $Head/Camera3D
+@onready var dash_timer = $DashTimer
+@onready var player_debug = $Head/Camera3D/PlayerDebug
+
+func _ready() -> void:
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+	
+func _unhandled_input(event: InputEvent) -> void:
+	if event is InputEventMouseMotion:
+		head.rotate_y(-event.relative.x * SENSITIVITY)
+		camera.rotate_x(-event.relative.y * SENSITIVITY)
+		camera.rotation.x = clamp(camera.rotation.x, deg_to_rad(-40), deg_to_rad(80))
+	
+	if Input.is_action_just_pressed("ui_cancel"):
+		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
+	
+	if Input.is_action_just_pressed("debug_overlay"):
+		player_debug.visible = !player_debug.visible
+
+func _physics_process(delta: float) -> void:
+	if not is_on_floor():
+		velocity.y -= gravity * delta
+		
+	if Input.is_action_just_pressed("jump") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+	
+	var input_dir = Input.get_vector("move_left", "move_right", "move_forward", "move_backward")
+	var direction = (head.transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
+	
+	if direction:
+		velocity.x = direction.x * SPEED
+		velocity.z = direction.z * SPEED	
+	else:
+		velocity.x = 0.0
+		velocity.z = 0.0
+		
+	if Input.is_action_just_pressed("dash") and dash_timer.is_stopped():
+		velocity.x = velocity.x * 10
+		velocity.z = velocity.z * 10
+		dash_timer.start()
+	
+	if player_debug.visible:
+		player_debug.add_stat("vel_x", str(velocity.x))
+		player_debug.add_stat("vel_y", str(velocity.y))
+		player_debug.add_stat("vel_z", str(velocity.z))
+		player_debug.add_stat("dash_cd", str(dash_timer.time_left))
+	
+	move_and_slide()