init space invaders

scripts/enemy.gd

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+extends RigidBody2D
+
+var direction = 1
+const SPEED = 1
+
+# signal triggerEdge(body, intentMessage)
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+func _process(delta):
+	var x = get_transform().get_origin().x
+	# not sure why rigid body doesn't see wall hardcoded walls
+	if x < 0 or x > 300:
+		# triggerEdge.emit(body, )
+		direction *= -1 # switch direction
+	move_local_x(SPEED * direction)

scripts/enemy.gd.uid

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+uid://c6x4gdnsnusgk

scripts/game-controller.gd

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+extends Node2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	get_window().grab_focus() # Replace with function body.
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+func _on_area_2d_trigger_active_signal(body, intentMessage):
+	print("game controller received trigger")
+	#if intentMessage == "destroy" and not body is Player:
+		#body.queue_free()

scripts/game-controller.gd.uid

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+uid://cvax0kvnw574u

scripts/player.gd

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+class_name Player extends CharacterBody2D
+
+const SPEED = 300.0
+const JUMP_VELOCITY = -400.0
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+	# Handle jump.
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+
+	# Get the input direction and handle the movement/deceleration.
+	# As good practice, you should replace UI actions with custom gameplay actions.
+	var direction = Input.get_axis("ui_left", "ui_right")
+	if direction:
+		velocity.x = direction * SPEED
+	else:
+		velocity.x = move_toward(velocity.x, 0, SPEED)
+
+	move_and_slide() # pre-calc next position from velocity
+	for i in get_slide_collision_count():
+		var c = get_slide_collision(i)
+		if c.get_collider() is RigidBody2D:
+			c.get_collider().apply_central_impulse(-c.get_normal() * 100)

scripts/player.gd.uid

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+uid://cehhkd2b24fhi