OneNightDuel/ONDClient/GUI/JumpscareUIElement.cs

using System;
using System.Diagnostics;
using Microsoft.Xna.Framework;
using MonoGameLibrary.Graphics;

namespace ONDClient.GUI;

public class JumpscareUIElement : UIElement {
    private int twitchHorizontal;
    private int twitchVertical;
    private Point positionDefault;
    private Random random;

    private bool playing = false;
    private Stopwatch stopwatch = new();
    private int duration;
    
    public JumpscareUIElement(TextureRegion texture, Point positionDefault, int twitchHorizontal, int twitchVertical, float defaultScaleMultiplier, int durationMs = 2000, Action afterStop = null) : base(texture, positionDefault) {
        this.twitchHorizontal = twitchHorizontal;
        this.twitchVertical = twitchVertical;
        this.positionDefault = positionDefault;
        random = new Random();
        ScaleMultiplier = defaultScaleMultiplier;
        duration = durationMs;
        Active = false;
        Visible = false;
        AfterStop = afterStop;
    }
    
    public void Play() {
        playing = true;
        Active = true;
        Visible = true;
        stopwatch.Start();
    }
    
    public override void Update() {
        if (!playing) return;
        SetPosition(new(positionDefault.X + random.Next(-twitchHorizontal, twitchHorizontal), positionDefault.Y + random.Next(-twitchVertical, twitchVertical)));
        if (stopwatch.ElapsedMilliseconds >= duration){
            playing = false;
            Active = false;
            Visible = false;
            if (AfterStop != null){
                AfterStop();
            }
        }
    }

    private Action AfterStop;
}