init

asteroid.gd

@@ -0,0 +1,60 @@
+extends RigidBody2D
+
+var SPEED : float
+var direction : Vector2
+var type:= 1
+
+@export var particles := load("res://destroy.tscn")
+
+@export var asteroidx1 :  = load("res://asteroidx1.tscn")
+@export var asteroidx2 :  = load("res://asteroidx2.tscn")
+@export var asteroidx3 : = load("res://asteroidx3.tscn")
+
+
+func _ready() -> void:
+	add_to_group("asteroid")
+	SPEED = randf() / 50 +50
+	rotation = randf_range(0.0, 360.0)
+
+func _process(_delta: float) -> void:
+	linear_velocity = direction * SPEED
+
+func split():
+	var packed_use: PackedScene
+
+	if type == 1:
+		var part = particles.instantiate()
+		part.global_position = global_position
+		get_parent().call_deferred("add_child", part)
+		queue_free()
+		return
+	elif type == 2:
+		packed_use = asteroidx1
+	elif  type == 3:
+		packed_use = asteroidx2
+	elif type == 4:
+		packed_use = asteroidx3
+	
+	var first = packed_use.instantiate()
+	var second = packed_use.instantiate()
+	var nor = direction.rotated(PI/2).normalized()
+	first.direction = direction
+	second.direction = direction
+	first.global_position = position + (2**type * nor)
+	first.type = type-1
+	second.global_position = position - (2**type * nor)
+	second.type = type-1
+	var parent = get_parent()
+	var part = particles.instantiate()
+	part.global_position = global_position
+	parent.call_deferred("add_child", first)
+	parent.call_deferred("add_child", second)
+	parent.call_deferred("add_child", part)
+	queue_free()
+
+func _on_body_entered(body: Node) -> void:
+	if body.is_in_group("asteroid"):
+		get_parent().emit_signal("add_collision", body, self)
+	if body.is_in_group("shoot"):
+		body.queue_free()
+		split()