Initial commit (1/2)

modules/projectile.gd

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+extends Node2D
+
+class_name Projectile
+
+@export var Speed : float = 300
+@export var RotationSpeed : float = 0
+@export var Damage : float = 1
+@export var Collider : Area2D
+@export var Lifetime : float = 10
+
+var Fraction = "none"
+var DestinationAngle : float
+var Target : Node2D = self
+
+func _ready():
+	get_tree().create_timer(Lifetime).timeout.connect(queue_free)
+	Collider.body_entered.connect(_on_collision)
+	areyouready()
+
+func _physics_process(delta):
+	if RotationSpeed == 0: DestinationAngle = global_rotation_degrees
+	else: DestinationAngle = rad_to_deg(global_position.angle_to_point(Target.global_position))
+	global_position += Speed * delta * global_transform.x
+	var DestinationDifference : float
+	if DestinationAngle - global_rotation_degrees == clamp(DestinationAngle - global_rotation_degrees, -180, 180):
+		DestinationDifference = DestinationAngle - global_rotation_degrees
+	else:
+		DestinationDifference = global_rotation_degrees - DestinationAngle
+	if DestinationDifference != clamp(DestinationDifference, -1, 1):
+		global_rotation_degrees += sign(DestinationDifference) * RotationSpeed * delta
+	else:
+		global_rotation_degrees = DestinationAngle
+
+func _on_collision(body):
+	match body.collision_layer:
+		1:
+			if body.Fraction != Fraction:	
+				if Target != self:
+					Target.queue_free()
+				body.Shield.deal_damage(Damage)
+				queue_free()
+		2:
+			if Target != self:
+				Target.queue_free()
+			queue_free()
+		
+
+func areyouready():
+	pass