First Version

scripts/coin.gd

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+extends Area2D
+
+func _on_body_entered(body: Node2D) -> void:
+	print("+1 Coin")
+	queue_free()

scripts/coin.gd.uid

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+uid://cycn1o2u7d1lc

scripts/player.gd

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+extends CharacterBody2D
+
+
+const SPEED = 130.0
+const JUMP_VELOCITY = -300.0
+
+@onready var animated_sprite: AnimatedSprite2D = $AnimatedSprite2D
+
+
+func _physics_process(delta: float) -> void:
+	# Add the gravity.
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+	# Handle jump.
+	if Input.is_action_just_pressed("jump") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+
+	# Get the input direction : -1, 0, 1
+	var direction := Input.get_axis("move_left", "move_right")
+	
+	#Flip the sprite
+	if direction > 0:
+		animated_sprite.flip_h = false
+	elif direction < 0:
+		animated_sprite.flip_h = true
+	# Apply movement
+	if direction:
+		velocity.x = direction * SPEED
+	else:
+		velocity.x = move_toward(velocity.x, 0, SPEED)
+
+	move_and_slide()

scripts/player.gd.uid

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+uid://bntyoqyhci34e

scripts/slime.gd

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+extends Node2D
+
+const SPEED = 60
+var direction = 1
+
+@onready var ray_cast_right: RayCast2D = $RayCastRight
+@onready var ray_cast_left: RayCast2D = $RayCastLeft
+@onready var animated_sprite: AnimatedSprite2D = $AnimatedSprite2D
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	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

scripts/slime.gd.uid

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+uid://ctoiihii0atb8