add boss enemy and refactor

scripts/boss.gd

@@ -0,0 +1,45 @@
+extends CharacterBody2D
+
+@export var speed = 60
+@export var hp = 2
+
+var direction = 1
+
+@onready var ray_cast_right: RayCast2D = $RayCastRight
+@onready var ray_cast_left: RayCast2D = $RayCastLeft
+@onready var animated_sprite: AnimatedSprite2D = $AnimatedSprite2D
+@onready var animation_player: AnimationPlayer = $AnimationPlayer
+@onready var hurt_sound: AudioStreamPlayer2D = $Hurt
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _physics_process(delta: float) -> void:
+	# Apply gravity
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+	
+	if ray_cast_right.is_colliding():
+		direction = -1
+		animated_sprite.flip_h = true
+	
+	if ray_cast_left.is_colliding():
+		direction = 1
+		animated_sprite.flip_h = false
+
+	position.x += direction * speed * delta
+	
+	move_and_slide()
+
+
+func _on_hit_box_hit() -> void:
+	hp -= 1
+	
+	if hp <= 0:
+		animated_sprite.play("die")
+		animation_player.play("die")
+	else:
+		hurt_sound.play()
+		animated_sprite.play("hurt")
+
+
+func _on_animated_sprite_2d_animation_finished() -> void:
+	animated_sprite.play("default")

scripts/boss.gd.uid

@@ -0,0 +1 @@
+uid://bamgalx75xtf2

scripts/hit_box.gd

@@ -1,16 +1,11 @@
 extends Area2D
 
-@export var animation_player: AnimationPlayer
-@export var animation_name: String
-
-@export var animated_sprite: AnimatedSprite2D
-@export var animated_sprite_name: String
-
 @export var player_bounce: int
 
+signal hit
+
 func _on_body_entered(player_body: Node2D) -> void:
 	var player_character_body = player_body as CharacterBody2D 
 	player_character_body.velocity.y = player_bounce
+	hit.emit()
 	
-	animated_sprite.play(animated_sprite_name)
-	animation_player.play(animation_name)

scripts/killzone.gd

@@ -4,7 +4,6 @@ extends Area2D
 @onready var death: AudioStreamPlayer2D = $Death
 
 func _on_body_entered(player_body: Node2D) -> void:
-	print("You died.")
 	death.play()
 	Engine.time_scale = 0.5
 	player_body.get_node(NodeTypes.COLLISION_SHAPE_2D).queue_free()

scripts/platform.gd

@@ -0,0 +1,13 @@
+extends Node2D
+
+@export_enum("Green", "Yellow") var colour: String
+@onready var sprite_2d: Sprite2D = $Sprite2D
+
+const REGION_DICT: Dictionary[String, Vector2] = {
+	"Green": Vector2(16, 0),
+	"Yellow": Vector2(16, 32)
+}
+
+func _on_ready() -> void:
+	print(colour)
+	sprite_2d.region_rect.position = REGION_DICT[colour]

scripts/platform.gd.uid

@@ -0,0 +1 @@
+uid://ymdnbe621mfv

scripts/slime.gd

@@ -1,12 +1,14 @@
 extends CharacterBody2D
 
 @export var speed = 60
+@export var hp = 1
 
 var direction = 1
 
 @onready var ray_cast_right: RayCast2D = $RayCastRight
 @onready var ray_cast_left: RayCast2D = $RayCastLeft
 @onready var animated_sprite: AnimatedSprite2D = $AnimatedSprite2D
+@onready var animation_player: AnimationPlayer = $AnimationPlayer
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _physics_process(delta: float) -> void:
@@ -25,3 +27,10 @@ func _physics_process(delta: float) -> void:
 	position.x += direction * speed * delta
 	
 	move_and_slide()
+
+func _on_hit_box_hit() -> void:
+	hp -= 1
+	
+	if hp <= 0:
+		animated_sprite.play("die")
+		animation_player.play("die")