add fps counter to debug_draw

scripts/globals/debug_draw.gd

@@ -7,27 +7,34 @@ const DEFAULT_COLOR: Color = Color.RED
 
 var enabled: bool = false
 
-var camera: Camera3D
 var control: Control = Control.new()
+var label: RichTextLabel = RichTextLabel.new()
 
 var vectors_to_draw: Array[Dictionary] = []
 var markers_to_draw: Array[Dictionary] = []
 var circles_to_draw: Array[Dictionary] = []
+var text_to_draw: PackedStringArray = []
+
+@onready var camera: Camera3D = get_viewport().get_camera_3d()
 
 
 func _ready() -> void:
-	camera = get_viewport().get_camera_3d()
 	layer = 999
 	enabled = false
 	control.draw.connect(_on_control_draw)
 	add_child(control)
 
+	label.set_anchors_preset(Control.PRESET_FULL_RECT)
+	add_child(label)
+
 
 func _process(_delta: float) -> void:
 	if not enabled:
 		return
 	control.queue_redraw()
 
+	text('fps: ' + str(Engine.get_frames_per_second()))
+
 
 func _input(event: InputEvent) -> void:
 	if event.is_action_pressed("toggle_debug"):
@@ -36,6 +43,13 @@ func _input(event: InputEvent) -> void:
 		vectors_to_draw.clear()
 
 
+func text(body: String) -> void:
+	if not enabled:
+		return
+
+	text_to_draw.append(body)
+
+
 func vector(from: Vector3, to: Vector3, color: Color = DEFAULT_COLOR) -> void:
 	if not enabled:
 		return
@@ -46,7 +60,7 @@ func vector(from: Vector3, to: Vector3, color: Color = DEFAULT_COLOR) -> void:
 func marker(
 		pos: Vector3,
 		radius: float = MARKER_RADIUS,
-		color: Color = DEFAULT_COLOR
+		color: Color = DEFAULT_COLOR,
 ) -> void:
 	if not enabled:
 		return
@@ -65,6 +79,10 @@ func _unproject(pos: Vector3) -> Vector2:
 	return camera.unproject_position(pos)
 
 
+func _draw_text() -> void:
+	label.text = '\n'.join(text_to_draw)
+
+
 func _draw_vector(from: Vector3, to: Vector3, color: Color) -> void:
 	var start := _unproject(from)
 	var end := _unproject(to)
@@ -76,7 +94,7 @@ func _draw_triangle(
 		pos: Vector2,
 		dir: Vector2,
 		size: float,
-		color: Color
+		color: Color,
 ) -> void:
 	var a := pos + dir * size
 	var b := pos + dir.rotated(2 * PI / 3) * size
@@ -112,7 +130,7 @@ func _on_control_draw() -> void:
 		_draw_vector(
 				v["from"] as Vector3,
 				v["to"] as Vector3,
-				v["color"] as Color
+				v["color"] as Color,
 		)
 	vectors_to_draw.clear()
 
@@ -120,10 +138,13 @@ func _on_control_draw() -> void:
 		_draw_marker(
 				v["pos"] as Vector3,
 				v["radius"] as float,
-				v["color"] as Color
+				v["color"] as Color,
 		)
 	markers_to_draw.clear()
 
 	for v in circles_to_draw:
 		_draw_circle(v["pos"] as Vector3, v["color"] as Color)
 	circles_to_draw.clear()
+
+	_draw_text()
+	text_to_draw.clear()