Installed Surge, fixed compile errors, moved a bunch of external stuff into folder

Assets/External/Pixelplacement/Surge/Utilities/Math.cs

@@ -0,0 +1,95 @@
+/// <summary>
+/// SURGE FRAMEWORK
+/// Author: Bob Berkebile
+/// Email: bobb@pixelplacement.com
+/// 
+/// Math. Math. Math.
+/// 
+/// </summary>
+
+using UnityEngine;
+
+namespace Pixelplacement
+{
+    public static class CoreMath  
+    {
+        //interpolation:
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static float LinearInterpolate (float from, float to, float percentage)
+        {
+            return (to - from) * percentage + from;
+        }
+
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static Vector2 LinearInterpolate (Vector2 from, Vector2 to, float percentage)
+        {
+            return new Vector2 (LinearInterpolate (from.x, to.x, percentage), LinearInterpolate (from.y, to.y, percentage));
+        }
+
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static Vector3 LinearInterpolate (Vector3 from, Vector3 to, float percentage)
+        {
+            return new Vector3 (LinearInterpolate (from.x, to.x, percentage), LinearInterpolate (from.y, to.y, percentage), LinearInterpolate (from.z, to.z, percentage));
+        }
+
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static Vector4 LinearInterpolate (Vector4 from, Vector4 to, float percentage)
+        {
+            return new Vector4 (LinearInterpolate (from.x, to.x, percentage), LinearInterpolate (from.y, to.y, percentage), LinearInterpolate (from.z, to.z, percentage), LinearInterpolate (from.w, to.w, percentage));
+        }
+
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static Rect LinearInterpolate (Rect from, Rect to, float percentage)
+        {
+            return new Rect (LinearInterpolate (from.x, to.x, percentage), LinearInterpolate (from.y, to.y, percentage), LinearInterpolate (from.width, to.width, percentage), LinearInterpolate (from.height, to.height, percentage));
+        }
+
+        /// <summary>
+        /// Linear interpolation.
+        /// </summary>
+        /// <param name="from">From.</param>
+        /// <param name="to">To.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static Color LinearInterpolate (Color from, Color to, float percentage)
+        {
+            return new Color (LinearInterpolate (from.r, to.r, percentage), LinearInterpolate (from.g, to.g, percentage), LinearInterpolate (from.b, to.b, percentage), LinearInterpolate (from.a, to.a, percentage));
+        }
+
+        //animation curves:
+        /// <summary>
+        /// Evaluates the curve.
+        /// </summary>
+        /// <returns>The value evaluated at the percentage of the clip.</returns>
+        /// <param name="curve">Curve.</param>
+        /// <param name="percentage">Percentage.</param>
+        public static float EvaluateCurve (AnimationCurve curve, float percentage)
+        {
+            return curve.Evaluate ((curve [curve.length - 1].time) * percentage);
+        }
+    }
+}