Started a Godot Project to remake Tailgunner.

scripts/flyer.gd

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+class_name Flyer
+extends CharacterBody2D
+# constants
+## Maximum angle in degrees that the flyer can tilt.
+@export var max_tilt = 45
+## Maximum acceleration of the flyer in vertical directions. Measured in pixels per second.
+@export var vertical_accelleration = 5
+## Maximum acceleration of the flyer in horizontal directions. Measured in pixels per second.
+@export var horizontal_accelleration = 15
+## Default deceleration of the flyer in vertical directions when no input is given. Measured in pixels per second.
+@export var vertical_decelleration = 8
+## Default deceleration of the flyer in horizontal directions when no input is given. Measured in pixels per second.
+@export var horizontal_decelleration = 20
+## Maximum speed of the flyer in vertical directions. Measured in pixels per second.
+@export var vertical_max_speed = 300
+## Maximum speed of the flyer in horizontal directions. Measured in pixels per second.
+@export var horizontal_max_speed = 300
+@export var max_hp = 100
+@export var weapons: Array[Weapon]
+@export var friendly = false
+#@export var panAudio = true
+
+
+# gameplay variables
+var tilt
+var speed
+var hp
+var directionInput
+
+func _ready() -> void:
+	hp = max_hp
+	max_tilt = deg_to_rad(max_tilt)
+	directionInput = Vector2(0,0)
+
+func _physics_process(delta: float) -> void:
+	# convert control input to movement
+	var verticalIn = directionInput.y
+	var horizontalIn = directionInput.x
+	if verticalIn:
+		if (verticalIn / velocity.y) < 0:
+			velocity.y = move_toward(velocity.y, vertical_max_speed, verticalIn * (vertical_decelleration))
+		else:
+			velocity.y = move_toward(velocity.y, sign(verticalIn) * vertical_max_speed, sign(verticalIn) * verticalIn * vertical_accelleration)
+	else:
+		velocity.y = move_toward(velocity.y, 0, vertical_decelleration)
+	if horizontalIn:
+		if (horizontalIn / velocity.x) < 0:
+			velocity.x = move_toward(velocity.x, horizontal_max_speed, horizontalIn * (horizontal_decelleration))
+		else:
+			velocity.x = move_toward(velocity.x, sign(horizontalIn) * horizontal_max_speed, sign(horizontalIn) * horizontalIn * horizontal_accelleration)
+	else:
+		velocity.x = move_toward(velocity.x, 0, horizontal_decelleration)
+	
+	#print_debug("current velocity: ", velocity, ", current input: ", Vector2(horizontalIn, verticalIn), ", input signs: ", Vector2(sign(horizontalIn), sign(verticalIn)))
+	move_and_collide(velocity * delta)
+	
+	# tilt the flyer according to vertical movement.
+	tilt = velocity.y / vertical_max_speed * max_tilt
+	rotation = tilt
+
+func shoot(index):
+	if weapons.size() > index:
+		weapons[index].shoot()
+
+func deal_damage(amount):
+	hp -= amount
+	if hp <= 0:
+		die()
+
+func die():
+	return
+	#TODO: implement death