Added raycast

Added making object interactable
Added slider + knob

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