added objective, added boss

Levels/Objects/Gem.gd

@@ -0,0 +1,24 @@
+extends Node2D
+
+
+# Declare member variables here. Examples:
+# var a: int = 2
+# var b: String = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta: float) -> void:
+#	pass
+
+
+func _on_AnimationPlayer_animation_finished(anim_name: String) -> void:
+	$GemSprite.visible = false
+
+
+func _on_AnimationPlayer_animation_started(anim_name: String) -> void:
+	$GemSprite.visible = true