cooking in progress, will work on "story" after lunch

games/platformer/lab_platform.gd

@@ -0,0 +1,17 @@
+extends AnimatableBody2D
+
+const offset_multiplier : float = 2
+var float_offset : float
+var starting_y : float
+var elapsed : float
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	starting_y = position.y
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	elapsed += delta
+	float_offset = sin(elapsed * offset_multiplier)
+	position.y = starting_y + float_offset