Add support for short values

Author: adamgraham

Documentation~/articles/supported-types.md

@@ -10,8 +10,9 @@ When creating tweens using the generic functions, the following types of values
 
 - `float`
 - `double`
-- `long`
 - `int`
+- `long`
+- `short`
 - `Vector2`
 - `Vector2Int`
 - `Vector3`

Runtime/Interpolation.cs

@@ -76,8 +76,19 @@ public static int Lerp(int a, int b, float t, bool snapping = false)
         /// <returns>The interpolated value between the start and end value.</returns>
         public static long Lerp(long a, long b, float t, bool snapping = false)
         {
-            long value = (long)Mathf.Lerp(a, b, t);
-            return snapping ? (int)value : value;
+
+        /// <summary>
+        /// Linearly interpolates between <paramref name="a"/> and
+        /// <paramref name="b"/> by <paramref name="t"/>.
+        /// </summary>
+        /// <param name="a">The start value.</param>
+        /// <param name="b">The end value.</param>
+        /// <param name="t">The interpolation value between the start and end value.</param>
+        /// <param name="snapping">Snaps the interpolated value to the nearest whole number.</param>
+        /// <returns>The interpolated value between the start and end value.</returns>
+        public static short Lerp(short a, short b, float t, bool snapping = false)
+        {
+            return (short)Mathf.Lerp(a, b, t);
         }
 
         /// <summary>

Runtime/Tweening.cs

@@ -105,6 +105,20 @@ public static Tween To<S>(S source, TweenGetter<S, int> getter, TweenSetter<S, i
         public static Tween To<S>(S source, TweenGetter<S, long> getter, TweenSetter<S, long> setter, long endValue, float duration) =>
             To(Interpolation._long, source, getter, setter, endValue, duration);
 
+        /// <summary>
+        /// Creates a tween that animates a parameter to a given end value over
+        /// a set duration.
+        /// </summary>
+        /// <typeparam name="S">The type of object to tween.</typeparam>
+        /// <param name="source">The source object to tween.</param>
+        /// <param name="getter">The function that gets the current value of the parameter.</param>
+        /// <param name="setter">The function that sets a new value of the parameter.</param>
+        /// <param name="endValue">The end value of the parameter.</param>
+        /// <param name="duration">The duration of the tween.</param>
+        /// <returns>A new tween that animates the parameter.</returns>
+        public static Tween To<S>(S source, TweenGetter<S, short> getter, TweenSetter<S, short> setter, short endValue, float duration) =>
+            To(Interpolation._short, source, getter, setter, endValue, duration);
+
         /// <summary>
         /// Creates a tween that animates a parameter to a given end value over
         /// a set duration.
@@ -304,6 +318,20 @@ public static Tween From<S>(S source, TweenGetter<S, int> getter, TweenSetter<S,
         public static Tween From<S>(S source, TweenGetter<S, long> getter, TweenSetter<S, long> setter, long endValue, float duration) =>
             From(Interpolation.Lerp, source, getter, setter, endValue, duration);
 
+        /// <summary>
+        /// Creates a tween that animates a parameter from a given end value to
+        /// the current value over a set duration.
+        /// </summary>
+        /// <typeparam name="S">The type of object to tween.</typeparam>
+        /// <param name="source">The source object to tween.</param>
+        /// <param name="getter">The function that gets the current value of the parameter.</param>
+        /// <param name="setter">The function that sets a new value of the parameter.</param>
+        /// <param name="endValue">The end value of the parameter.</param>
+        /// <param name="duration">The duration of the tween.</param>
+        /// <returns>A new tween that animates the parameter.</returns>
+        public static Tween From<S>(S source, TweenGetter<S, short> getter, TweenSetter<S, short> setter, short endValue, float duration) =>
+            From(Interpolation.Lerp, source, getter, setter, endValue, duration);
+
         /// <summary>
         /// Creates a tween that animates a parameter from a given end value to
         /// the current value over a set duration.