Added raycast

Added making object interactable
Added slider + knob

scripts/Player.gd

@@ -0,0 +1,22 @@
+extends CharacterBody3D
+
+var gravity : float = ProjectSettings.get_setting("physics/3d/default_gravity")
+var speed : float = 5.0
+var mouse_sensitivity : float = 0.002
+@onready var camera_3d : Camera3D = $Camera3D
+
+func _physics_process(delta : float) -> void:
+	if not is_on_floor():
+		velocity.y += -gravity * delta
+	var input : Vector2 = Input.get_vector("left", "right", "forward", "back")
+	var movement_dir : Vector3 = transform.basis * Vector3(input.x, 0, input.y)
+	velocity.x = movement_dir.x * speed
+	velocity.z = movement_dir.z * speed
+
+	move_and_slide()
+
+func _input(event : InputEvent) -> void:
+	if event is InputEventMouseMotion and Input.mouse_mode == Input.MOUSE_MODE_CAPTURED:
+		rotate_y(-event.relative.x * mouse_sensitivity)
+		camera_3d.rotate_x(-event.relative.y * mouse_sensitivity)
+		camera_3d.rotation.x = clampf(camera_3d.rotation.x, -deg_to_rad(70), deg_to_rad(70))

scripts/Slider1.gd

@@ -0,0 +1,35 @@
+extends StaticBody3D
+
+
+@export var slider_length: float = 0.5
+@export var angle_degrees: float = 20.0
+@export var scroll_sensitivity: float = 0.025
+@onready var knob : MeshInstance3D = $Slider/Knob
+
+var knob_position : float = 0.0
+var interacting : bool = false
+
+func _ready() -> void:
+	print("ready!")
+	update_knob_position()
+
+func _process(_delta : float) -> void:
+	if interacting:
+		if Input.is_action_just_pressed("scroll_up"):
+			knob_position = clamp(knob_position + scroll_sensitivity, 0.0, 1.0)
+			update_knob_position()
+		elif Input.is_action_just_pressed("scroll_down"):
+			knob_position = clamp(knob_position - scroll_sensitivity, 0.0, 1.0)
+			update_knob_position()
+
+func update_knob_position() -> void:
+	var start_position : Vector3 = Vector3(0, 0.04, slider_length / 2)
+	var end_position : Vector3 = Vector3(0, 0.04, -slider_length / 2)
+	
+	var knob_world_position : Vector3 = start_position.lerp(end_position, knob_position)
+	knob.position = knob_world_position
+	print(knob_position)
+	print(knob_world_position)
+	
+func make_interactable(interactable : bool) -> void:
+	interacting = interactable