1 files changed, 18 insertions, 0 deletions
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
index 6f7fac7429..fbc8ff64a6 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Mathf.cs
@@ -693,5 +693,23 @@ namespace Godot
             }
             return min + ((((value - min) % range) + range) % range);
         }
+
+        private static real_t Fract(real_t value)
+        {
+            return value - (real_t)Math.Floor(value);
+        }
+
+        /// <summary>
+        /// Returns the [code]value[/code] wrapped between [code]0[/code] and the [code]length[/code].
+        /// If the limit is reached, the next value the function returned is decreased to the [code]0[/code] side or increased to the [code]length[/code] side (like a triangle wave).
+        /// If [code]length[/code] is less than zero, it becomes positive.
+        /// </summary>
+        /// <param name="value">The value to pingpong.</param>
+        /// <param name="length">The maximum value of the function.</param>
+        /// <returns>The ping-ponged value.</returns>
+        public static real_t PingPong(real_t value, real_t length)
+        {
+            return (length != (real_t)0.0) ? Abs(Fract((value - length) / (length * (real_t)2.0)) * length * (real_t)2.0 - length) : (real_t)0.0;
+        }
     }
 }