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ONDClient/GUI/JumpscareUIElement.cs

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+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 float defaultScaleMultiplier;
+    private float twitchScale;
+
+    private bool playing = false;
+    private Stopwatch stopwatch = new();
+    private int duration;
+    
+    public JumpscareUIElement(TextureRegion texture, Point positionDefault, int twitchHorizontal, int twitchVertical, float defaultScaleMultiplier, float twitchScale, int durationMs = 2000, Action afterStop = null) : base(texture, positionDefault) {
+        this.twitchHorizontal = twitchHorizontal;
+        this.twitchVertical = twitchVertical;
+        this.positionDefault = positionDefault;
+        random = new Random();
+        this.defaultScaleMultiplier = defaultScaleMultiplier;
+        ScaleMultiplier = defaultScaleMultiplier;
+        this.twitchScale = twitchScale;
+        duration = durationMs;
+        Active = false;
+        Visible = false;
+        AfterStop = afterStop;
+    }
+    
+    // public JumpscareUIElement(UIElement element) : base(element.GetTextures(), element.Bounds.Item1) {}
+
+    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();
+            }
+        }
+        
+        // ScaleMultiplier = defaultScaleMultiplier + (float)(random.NextDouble() * twitchScale * new[]{-1, 1}[random.Next(2)]);
+    }
+
+    private Action AfterStop;
+}