added yarn spinner package

2026-08-14 13:27:17 +02:00
parent c140236bf7
commit c483bda3ea
573 changed files with 81459 additions and 0 deletions
@@ -0,0 +1,63 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+#nullable enable
+namespace Yarn.Unity.Addons.Snaaake
+{
+    /// <summary>
+    /// Randomly varies the <see cref="Image.fillAmount"/> property of an <see
+    /// cref="Image"/> over time, at a fixed frame rate.
+    /// </summary>
+    public class RandomImageFill : MonoBehaviour
+    {
+        /// <summary>
+        /// The minimum amount to fill.
+        /// </summary>
+        public float MinFill = 0.5f;
+
+        /// <summary>
+        /// The maximum amount to fill.
+        /// </summary>
+        public float MaxFill = 1.0f;
+
+        /// <summary>
+        /// The degree to which the fill amount will change each frame.
+        /// </summary>
+        public float Speed = 1f;
+
+        /// <summary>
+        /// The rate at which the fill amount will change.
+        /// </summary>
+        public float FrameRate = 8f;
+
+        /// <summary>
+        /// The image to change the fill amount of.
+        /// </summary>
+        public Image? Image;
+
+        void Update()
+        {
+            if (Image == null)
+            {
+                // No image, so nothing to update.
+                return;
+            }
+
+            var t = Time.time;
+
+            // Snap time to framerate
+            t *= FrameRate;
+            t = Mathf.FloorToInt(t);
+            t /= FrameRate;
+
+            // Increase speed
+            t *= Speed;
+
+            // Evaluate the noise at our calculated point and update the image's
+            // fill amount
+            var noise = Mathf.PerlinNoise1D(t);
+            var fill = Mathf.Lerp(MinFill, MaxFill, noise);
+            Image.fillAmount = fill;
+        }
+    }
+}