Added GTWeen

GTweensGodot/GTweens/Source/Interpolators/IInterpolator.cs

@@ -0,0 +1,37 @@
+using GTweens.Easings;
+
+namespace GTweens.Interpolators
+{
+    /// <summary>
+    /// Represents an interpolator for working with transitions between two values of type <typeparamref name="T"/>.
+    /// </summary>
+    /// <typeparam name="T">The type of values to interpolate.</typeparam>
+    public interface IInterpolator<T>
+    {
+        /// <summary>
+        /// Evaluates the intermediate value between the initial and final values based on the specified time and easing function.
+        /// </summary>
+        /// <param name="initialValue">The initial value.</param>
+        /// <param name="finalValue">The final value.</param>
+        /// <param name="time">The interpolation time (usually between 0 and 1).</param>
+        /// <param name="easingFunction">The easing function to apply during interpolation.</param>
+        /// <returns>The interpolated value between <paramref name="initialValue"/> and <paramref name="finalValue"/>.</returns>
+        T Evaluate(T initialValue, T finalValue, float time, EasingDelegate easingFunction);
+        
+        /// <summary>
+        /// Subtracts two values of type <typeparamref name="T"/>.
+        /// </summary>
+        /// <param name="initialValue">The initial value.</param>
+        /// <param name="finalValue">The final value.</param>
+        /// <returns>The result of subtracting <paramref name="finalValue"/> from <paramref name="initialValue"/>.</returns>
+        T Subtract(T initialValue, T finalValue);
+        
+        /// <summary>
+        /// Adds two values of type <typeparamref name="T"/>.
+        /// </summary>
+        /// <param name="initialValue">The initial value.</param>
+        /// <param name="finalValue">The final value.</param>
+        /// <returns>The result of adding <paramref name="finalValue"/> to <paramref name="initialValue"/>.</returns>
+        T Add(T initialValue, T finalValue);
+    }
+}