readme

Readme.md

@@ -0,0 +1,5 @@
+Week 5:
+Coin collection, bad guys, dealing damage
+
+In this lesson, we get some enemies in the game, and along the way w
+learn some valuable principles.

assets/enemies/slime/slime_green.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bj3ccpqo3t7pv"
+path="res://.godot/imported/slime_green.png-e5d60b3e093812754197fdd9edfc7bf5.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/enemies/slime/slime_green.png"
+dest_files=["res://.godot/imported/slime_green.png-e5d60b3e093812754197fdd9edfc7bf5.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/player/death/Player Death 64x64.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://k0r4u3odrun4"
+path="res://.godot/imported/Player Death 64x64.png-4a0ce04f5d26e871d084fcfc48e67d00.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/player/death/Player Death 64x64.png"
+dest_files=["res://.godot/imported/Player Death 64x64.png-4a0ce04f5d26e871d084fcfc48e67d00.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/player/hurt/Player Hurt 48x48.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c7ike4q1xl2gy"
+path="res://.godot/imported/Player Hurt 48x48.png-4f3bee63f7b077a423955d655b236738.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/player/hurt/Player Hurt 48x48.png"
+dest_files=["res://.godot/imported/Player Hurt 48x48.png-4f3bee63f7b077a423955d655b236738.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

scenes/bullet.tscn

@@ -20,4 +20,5 @@ rotation = -3.1367095
 scale = Vector2(0.07999989, 0.08039169)
 texture = ExtResource("2_y25gk")
 
+[connection signal="area_entered" from="." to="." method="_on_body_entered"]
 [connection signal="body_entered" from="." to="." method="_on_body_entered"]

scenes/game.tscn

@@ -13,6 +13,7 @@
 [ext_resource type="PackedScene" uid="uid://b6cmg0k8qjoxi" path="res://scenes/crate.tscn" id="5_iywne"]
 [ext_resource type="PackedScene" uid="uid://b3hgbbmb0nohj" path="res://scenes/trigger.tscn" id="5_p57ef"]
 [ext_resource type="PackedScene" uid="uid://cfmbd0jdbrvd1" path="res://scenes/coin.tscn" id="13_kvuet"]
+[ext_resource type="PackedScene" uid="uid://b23q2ppkeamyh" path="res://scenes/slime.tscn" id="14_trtic"]
 
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_u5sy4"]
 texture = ExtResource("2_p57ef")
@@ -448,7 +449,7 @@ tile_set = SubResource("TileSet_gee14")
 script = ExtResource("2_lbhrr")
 
 [node name="Player" parent="." unique_id=2145223914 instance=ExtResource("4_iywne")]
-position = Vector2(495, 379)
+position = Vector2(446.00003, 465.00003)
 
 [node name="Crates" type="Node2D" parent="." unique_id=207771395]
 
@@ -526,6 +527,14 @@ position = Vector2(116, -31)
 [node name="Coin3" parent="Coins" unique_id=1071266659 instance=ExtResource("13_kvuet")]
 position = Vector2(164, -65)
 
+[node name="Enemies" type="Node2D" parent="." unique_id=791989786]
+
+[node name="Slime" parent="Enemies" unique_id=822623820 instance=ExtResource("14_trtic")]
+position = Vector2(401, 470)
+
+[node name="Slime2" parent="Enemies" unique_id=1058828655 instance=ExtResource("14_trtic")]
+position = Vector2(654, 277)
+
 [connection signal="areaTriggerSignal" from="Triggers/Trigger" to="." method="_on_trigger"]
 [connection signal="areaTriggerSignal" from="Triggers/Trigger2" to="." method="_on_trigger"]
 [connection signal="areaTriggerSignal" from="Triggers/Trigger3" to="." method="_on_trigger"]

scenes/player.tscn

@@ -4,7 +4,9 @@
 [ext_resource type="Texture2D" uid="uid://b1ai5l50rwv4u" path="res://assets/player/idle/Player Idle 48x48.png" id="2_g2els"]
 [ext_resource type="Texture2D" uid="uid://dngnhx41kw3mw" path="res://assets/player/charging/Player Punch 64x64.png" id="2_qlg0r"]
 [ext_resource type="Texture2D" uid="uid://cgyc5mlhrd472" path="res://assets/player/jump_fall/player jump 48x48.png" id="3_dqkch"]
+[ext_resource type="Texture2D" uid="uid://k0r4u3odrun4" path="res://assets/player/death/Player Death 64x64.png" id="3_fjrip"]
 [ext_resource type="Texture2D" uid="uid://di17x5ovjtvtt" path="res://assets/player/run/player run 48x48.png" id="3_qhqgy"]
+[ext_resource type="Texture2D" uid="uid://c7ike4q1xl2gy" path="res://assets/player/hurt/Player Hurt 48x48.png" id="5_smehm"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_uwrxv"]
 
@@ -12,10 +14,66 @@
 atlas = ExtResource("2_qlg0r")
 region = Rect2(128, 0, 64, 64)
 
+[sub_resource type="AtlasTexture" id="AtlasTexture_pf23h"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(0, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_dt7fs"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(48, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_wqfne"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(96, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_wnwbv"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(144, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_gl8cc"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(192, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_487ah"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(240, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_md1ol"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(288, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bj30b"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(336, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_jc3p3"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(384, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_hax0n"]
+atlas = ExtResource("3_fjrip")
+region = Rect2(432, 0, 48, 48)
+
 [sub_resource type="AtlasTexture" id="AtlasTexture_4ni07"]
 atlas = ExtResource("3_dqkch")
 region = Rect2(96, 0, 48, 48)
 
+[sub_resource type="AtlasTexture" id="AtlasTexture_t4otl"]
+atlas = ExtResource("5_smehm")
+region = Rect2(0, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_j2b1d"]
+atlas = ExtResource("5_smehm")
+region = Rect2(48, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_cs1tg"]
+atlas = ExtResource("5_smehm")
+region = Rect2(96, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_2dvfe"]
+atlas = ExtResource("5_smehm")
+region = Rect2(144, 0, 48, 48)
+
 [sub_resource type="AtlasTexture" id="AtlasTexture_qhqgy"]
 atlas = ExtResource("2_g2els")
 region = Rect2(0, 0, 48, 48)
@@ -120,6 +178,41 @@ animations = [{
 }, {
 "frames": [{
 "duration": 1.0,
+"texture": SubResource("AtlasTexture_pf23h")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_dt7fs")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_wqfne")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_wnwbv")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_gl8cc")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_487ah")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_md1ol")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bj30b")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_jc3p3")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_hax0n")
+}],
+"loop": false,
+"name": &"death",
+"speed": 12.0
+}, {
+"frames": [{
+"duration": 1.0,
 "texture": SubResource("AtlasTexture_4ni07")
 }],
 "loop": false,
@@ -128,6 +221,23 @@ animations = [{
 }, {
 "frames": [{
 "duration": 1.0,
+"texture": SubResource("AtlasTexture_t4otl")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_j2b1d")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_cs1tg")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_2dvfe")
+}],
+"loop": false,
+"name": &"hurt",
+"speed": 12.0
+}, {
+"frames": [{
+"duration": 1.0,
 "texture": SubResource("AtlasTexture_qhqgy")
 }, {
 "duration": 1.0,
@@ -232,19 +342,17 @@ target_position = Vector2(16.891893, 0)
 target_position = Vector2(-17.56757, -0.67567575)
 
 [node name="RightSpawn" type="Marker2D" parent="." unique_id=72314368]
-position = Vector2(12.837839, -8.1081085)
+position = Vector2(12.837839, 0)
 
 [node name="LeftSpawn" type="Marker2D" parent="." unique_id=374152113]
-position = Vector2(-12.837839, -8.108109)
+position = Vector2(-12.837839, 0.6756754)
 
 [node name="PlayerGraphic" type="AnimatedSprite2D" parent="." unique_id=174634956]
 texture_filter = 1
 position = Vector2(0, -6.081082)
 sprite_frames = SubResource("SpriteFrames_jej6c")
-animation = &"shoving"
+animation = &"death"
 autoplay = "idle"
-frame = 2
-frame_progress = 1.0
 
 [node name="Camera2D" type="Camera2D" parent="." unique_id=839648774]
 offset = Vector2(0, -60)

scenes/slime.tscn

@@ -0,0 +1,71 @@
+[gd_scene format=3 uid="uid://b23q2ppkeamyh"]
+
+[ext_resource type="Texture2D" uid="uid://bj3ccpqo3t7pv" path="res://assets/enemies/slime/slime_green.png" id="1_371uh"]
+[ext_resource type="Script" uid="uid://d215jspbbgtq6" path="res://scripts/slime.gd" id="1_p2gj0"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_p2gj0"]
+atlas = ExtResource("1_371uh")
+region = Rect2(0, 24, 24, 24)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_n6pvg"]
+atlas = ExtResource("1_371uh")
+region = Rect2(24, 24, 24, 24)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_pjw23"]
+atlas = ExtResource("1_371uh")
+region = Rect2(48, 24, 24, 24)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_2npkn"]
+atlas = ExtResource("1_371uh")
+region = Rect2(72, 24, 24, 24)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_fd6lc"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_p2gj0")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_n6pvg")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_pjw23")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_2npkn")
+}],
+"loop": true,
+"name": &"idle",
+"speed": 12.0
+}]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_gstla"]
+
+[node name="Slime" type="Area2D" unique_id=822623820 groups=["shootable"]]
+script = ExtResource("1_p2gj0")
+
+[node name="SlimeGraphic" type="AnimatedSprite2D" parent="." unique_id=610452905]
+texture_filter = 1
+position = Vector2(0, -1)
+sprite_frames = SubResource("SpriteFrames_fd6lc")
+animation = &"idle"
+autoplay = "idle"
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=1641996317]
+shape = SubResource("CircleShape2D_gstla")
+
+[node name="RightCast" type="RayCast2D" parent="." unique_id=460628221]
+target_position = Vector2(16, 0)
+
+[node name="RightDownCast" type="RayCast2D" parent="." unique_id=1352799730]
+position = Vector2(9, 0)
+target_position = Vector2(1, 14)
+
+[node name="LeftDownCast" type="RayCast2D" parent="." unique_id=1378900976]
+position = Vector2(-9, 0)
+target_position = Vector2(1, 14)
+
+[node name="LeftCast" type="RayCast2D" parent="." unique_id=1023073791]
+target_position = Vector2(-16, 0)
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]

scripts/bullet.gd

@@ -9,5 +9,6 @@ func _process(delta: float) -> void:
 
 
 func _on_body_entered(body: Node2D) -> void:
-	if body is Crate:
+	if body.is_in_group("shootable"):
+		print("bullet hit!")
 		bulletHitSignal.emit(body,self)

scripts/game.gd

@@ -2,11 +2,19 @@ class_name GameController extends Node2D
 signal destroySignal(body)
 signal fanTriggerSignal(body, fanDirection)
 signal teleportTriggerSignal(body)
+signal playerDamagedSignal(currentHealth,maxHealth)
+signal playerDeathSignal
+
 var numberOfCrates = 2
 var timeAvailable = 50
 
 var totalCoinsCollected = 0
 var timer = Timer.new()
+
+var enemiesDict={}
+var playerStartingHealth = 100
+var playerHealth = 100
+
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	get_window().grab_focus()
@@ -21,7 +29,7 @@ func countdown()->void:
 	timeAvailable-=1
 	if timeAvailable<=0 and numberOfCrates>0:
 		print("LOOOOOSAH")
-		get_tree().reload_current_scene()
+		playerDeathSignal.emit()
 		
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
@@ -51,11 +59,21 @@ func coinCollected(body,coin)->void:
 	totalCoinsCollected +=1
 	print("GC knows coin collected")
 	destroySignal.emit(coin)
+	
 func coinTotal(totalAmount)->void:
-	print("GC knows total coins "+str(totalAmount))
+	print("GC knows total coins remaining "+str(totalAmount))
 	
 func bulletDamage(body, _bullet)->void:
+	print("bullet hit")
 	if body.is_in_group("shootable"):
+		if body is Crate:
+			destroySignal.emit(body)
+			destroySignal.emit(_bullet)
+		if body is Slime:
+			enemiesDict[body]["health"] -= 10
+			if enemiesDict[body]["health"]<=0:
+				#kill the enemy
+				enemiesDict.erase(body)
 				destroySignal.emit(body)
 			destroySignal.emit(_bullet)
 		
@@ -63,3 +81,26 @@ func rocketDamage(body, rocket)->void:
 	if body.is_in_group("shootable"):
 		print("Rocket strikes target!")
 		destroySignal.emit(body)
+
+func addEnemyToLevel(enemy:Slime)->void:
+	var enemyStat = {
+		"health": 30+randi_range(0,10),
+		"damage": 20+randi_range(0,10)
+	}
+	enemiesDict[enemy]=enemyStat
+	
+func _on_slime_damage(body, slime:Slime)->void:
+	#remove damage from player health
+	print("remove damage from player "+str(enemiesDict[slime]["damage"]))
+	playerHealth -= enemiesDict[slime]["damage"]
+	if playerHealth <=0:
+		print("You DED")
+		#send a signal about player death
+		playerDeathSignal.emit()
+	else:
+		print("You damaged")	
+		#send a signal about player damage
+		playerDamagedSignal.emit(playerHealth,playerStartingHealth)
+
+func loadLevel()->void:
+	get_tree().reload_current_scene()

scripts/player.gd

@@ -2,6 +2,8 @@ class_name Player extends CharacterBody2D
 signal pushSignal(body, direction)
 signal shootSignal(markerPosition, speed)
 signal fireSignal(markerPosition, direction, speed)
+signal deathAnimationCompleteSignal
+
 @onready var right_cast: RayCast2D = $RightCast
 @onready var left_cast: RayCast2D = $LeftCast
 @onready var right_spawn: Marker2D = $RightSpawn
@@ -19,11 +21,18 @@ const JUMP_VELOCITY = -400.0
 enum FaceDirection {RIGHT,LEFT}
 var facing:FaceDirection = FaceDirection.RIGHT
 
-enum PlayerStates {IDLE,RUNNING,JUMPING,FALLING,CHARGING,SHOVING}
+enum PlayerStates {IDLE,RUNNING,JUMPING,FALLING,CHARGING,SHOVING,HURT,DEAD}
 var current_player_state:PlayerStates = PlayerStates.IDLE
 var upJump:bool = false
+func hurt(health,maxhealth)->void:
+	print("player hurt")
+	current_player_state=PlayerStates.HURT
+func kill()->void:
+	print("player killed")
+	current_player_state=PlayerStates.DEAD
 
 func _physics_process(delta: float) -> void:
+	if current_player_state != PlayerStates.DEAD:
 		handle_input()
 	handle_movement(delta)
 	handle_states()
@@ -39,7 +48,6 @@ func handle_input()->void:
 		upJump = true
 	# Handle shove.
 	if Input.is_action_just_pressed("shove"):
-		print("I want to shove")
 		if pushRightEnabled and facing==FaceDirection.RIGHT:
 			current_player_state= PlayerStates.CHARGING
 			pushTimer = Time.get_ticks_msec()
@@ -60,7 +68,7 @@ func handle_input()->void:
 			current_player_state = PlayerStates.SHOVING
 	#Handle Shoot Bullet
 	if Input.is_action_just_pressed("shoot"):
-		print("Ima shoot a bullet")
+
 		#marker postion, speed
 		match facing:
 			FaceDirection.RIGHT:
@@ -69,7 +77,7 @@ func handle_input()->void:
 				shootSignal.emit(left_spawn.global_transform, -800)
 	#Handle fire rocket
 	if Input.is_action_just_pressed("fire"):
-		print("Ima fire rocket")
+
 		match facing:
 			FaceDirection.RIGHT:
 				fireSignal.emit(right_spawn.global_transform,Vector2(1,0), 800)
@@ -95,7 +103,7 @@ func handle_movement(delta)->void:
 		velocity += get_gravity() * delta
 func handle_collisions()->void:
 	if right_cast.is_colliding():
-		print("Right raycast collision")
+
 		var collider = right_cast.get_collider()
 		if collider is Node:
 			pushRightEnabled = true
@@ -104,7 +112,7 @@ func handle_collisions()->void:
 		pushRightEnabled = false
 	
 	if left_cast.is_colliding():
-		print("Left raycast collision")
+
 		var collider = left_cast.get_collider()
 		if collider is Node:
 			pushLeftEnabled = true
@@ -148,6 +156,10 @@ func handle_animation()->void:
 			player_graphic.play("charging")
 		PlayerStates.SHOVING:
 			player_graphic.play("shoving")
+		PlayerStates.HURT:
+			player_graphic.play("hurt")
+		PlayerStates.DEAD:
+			player_graphic.play("death")
 
 
 func _on_animation_finished() -> void:
@@ -156,3 +168,8 @@ func _on_animation_finished() -> void:
 			upJump = false
 		PlayerStates.SHOVING:
 			current_player_state = PlayerStates.IDLE
+		PlayerStates.HURT:
+			current_player_state = PlayerStates.IDLE
+		PlayerStates.DEAD:
+			#emit signal for end of death animation
+			deathAnimationCompleteSignal.emit()

scripts/scene_manager.gd

@@ -4,6 +4,7 @@ extends Node2D
 @onready var player: Player = $"../Player"
 @onready var coin: Coin = $"../Coins/Coin"
 @onready var coins: Node2D = $"../Coins"
+@onready var enemies: Node2D = $"../Enemies"
 
 var bullet = preload("res://scenes/bullet.tscn")
 var rocket = preload("res://scenes/rocket.tscn")
@@ -19,11 +20,14 @@ func _ready() -> void:
 	player.pushSignal.connect(pushTarget)
 	player.shootSignal.connect(makeBullet)
 	player.fireSignal.connect(makeRocket)
+	player.deathAnimationCompleteSignal.connect(game.loadLevel)
 	
 	#signals from the GameController
 	game.destroySignal.connect(destroy)
 	game.fanTriggerSignal.connect(pushTarget)
 	game.teleportTriggerSignal.connect(teleportTarget)
+	game.playerDamagedSignal.connect(player.hurt)
+	game.playerDeathSignal.connect(player.kill)
 	
 	#signals from pickups
 	coin.coinCollectedSignal.connect(game.coinCollected)
@@ -38,6 +42,16 @@ func buildLevel()->void:
 	#tell GC how many crates...
 	updateCrates()
 	updateCoins()
+	updateEnemies()
+
+func updateEnemies()->void:
+	if enemies:
+		for obj in enemies.get_children():
+			if obj is Slime:
+				game.addEnemyToLevel(obj)
+				#hook up to game controller
+				if not obj.slimeDamageSignal.is_connected(game._on_slime_damage):
+					obj.slimeDamageSignal.connect(game._on_slime_damage)
 					
 func updateCrates()->void:
 	var totalCrates = 0
@@ -50,11 +64,16 @@ func updateCrates()->void:
 	
 	game.crateTotal(totalCrates)
 
+#any time a coin exits tree, game controller is updated
 func updateCoins()->void:
 	var totalCoins = 0
 	if coins:
 		for obj in coins.get_children():
 			if obj is Coin:
+				if not obj.coinCollectedSignal.is_connected(game.coinCollected):
+					obj.coinCollectedSignal.connect(game.coinCollected)
+				if not obj.tree_exited.is_connected(updateCoins):
+					obj.tree_exited.connect(updateCoins)
 				totalCoins +=1
 	game.coinTotal(totalCoins)
 	

scripts/slime.gd

@@ -0,0 +1,33 @@
+class_name Slime extends Area2D
+@onready var right_cast: RayCast2D = $RightCast
+@onready var right_down_cast: RayCast2D = $RightDownCast
+@onready var left_down_cast: RayCast2D = $LeftDownCast
+@onready var left_cast: RayCast2D = $LeftCast
+@onready var slime_graphic: AnimatedSprite2D = $SlimeGraphic
+
+var speed:int = 100
+var direction = 1
+
+signal slimeDamageSignal(body,slime)
+
+#Animation code
+func _process(delta: float) -> void:
+	if not right_down_cast.is_colliding():
+		direction = -1
+		slime_graphic.flip_h = true
+	if not left_down_cast.is_colliding():
+		direction = 1
+		slime_graphic.flip_h = false
+	if right_cast.is_colliding() && not right_cast.get_collider() is Player:
+		direction = -1
+		slime_graphic.flip_h = true
+	if left_cast.is_colliding() && not left_cast.get_collider() is Player:
+		direction = 1
+		slime_graphic.flip_h = false
+	position.x += direction * speed * delta
+
+
+func _on_body_entered(body: Node2D) -> void:
+	if body is Player:
+		slimeDamageSignal.emit(body, self)
+		

scripts/slime.gd.uid

@@ -0,0 +1 @@
+uid://d215jspbbgtq6