walker.gd

extends Sprite2D

var screen_size := DisplayServer.window_get_size() as Vector2i
var rng := RandomNumberGenerator.new() as RandomNumberGenerator
var step_lenght := 10 as int

func _ready() -> void:
    self.position = screen_size / 2.0 
    
func _process(delta: float) -> void:
    #how to make something execute at regular frames, probably not a good idea for a commercial game
    #https://docs.godotengine.org/en/stable/classes/class_engine.html#class-engine-method-get-process-frames
    if Engine.get_process_frames() % 10 == 0:
        var choice := rng.randi_range(0, 3) as int #returns 0, 1, 2, 3        
        print(choice)
        if (choice == 0):
            self.position.x = self.position.x + step_lenght
        elif (choice == 1):
            self.position.x = self.position.x - step_lenght
        elif (choice == 2):
            self.position.y = self.position.y + step_lenght
        else:
            self.position.y = self.position.y - step_lenght