1 files changed, 132 insertions, 0 deletions
diff --git a/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Plugins/LibNoise/GradientPresets.cs b/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Plugins/LibNoise/GradientPresets.cs
new file mode 100644
index 00000000..91920a6c
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Plugins/LibNoise/GradientPresets.cs
@@ -0,0 +1,132 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace LibNoise
+{
+    /// <summary>
+    /// Provides a series of gradient presets
+    /// </summary>
+    public static class GradientPresets
+    {
+        #region Fields
+
+        private static readonly Gradient _empty;
+        private static readonly Gradient _grayscale;
+        private static readonly Gradient _rgb;
+        private static readonly Gradient _rgba;
+        private static readonly Gradient _terrain;
+
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of Gradient.
+        /// </summary>
+        static GradientPresets()
+        {
+            // Grayscale gradient color keys
+            var grayscaleColorKeys = new List<GradientColorKey>
+            {
+                new GradientColorKey(Color.black, 0),
+                new GradientColorKey(Color.white, 1)
+            };
+
+            // RGB gradient color keys
+            var rgbColorKeys = new List<GradientColorKey>
+            {
+                new GradientColorKey(Color.red, 0),
+                new GradientColorKey(Color.green, 0.5f),
+                new GradientColorKey(Color.blue, 1)
+            };
+
+            // RGBA gradient color keys
+            var rgbaColorKeys = new List<GradientColorKey>
+            {
+                new GradientColorKey(Color.red, 0),
+                new GradientColorKey(Color.green, 1 / 3f),
+                new GradientColorKey(Color.blue, 2 / 3f),
+                new GradientColorKey(Color.black, 1)
+            };
+
+            // RGBA gradient alpha keys
+            var rgbaAlphaKeys = new List<GradientAlphaKey> {new GradientAlphaKey(0, 2 / 3f), new GradientAlphaKey(1, 1)};
+
+            // Terrain gradient color keys
+            var terrainColorKeys = new List<GradientColorKey>
+            {
+                new GradientColorKey(new Color(0, 0, 0.5f), 0),
+                new GradientColorKey(new Color(0.125f, 0.25f, 0.5f), 0.4f),
+                new GradientColorKey(new Color(0.25f, 0.375f, 0.75f), 0.48f),
+                new GradientColorKey(new Color(0, 0.75f, 0), 0.5f),
+                new GradientColorKey(new Color(0.75f, 0.75f, 0), 0.625f),
+                new GradientColorKey(new Color(0.625f, 0.375f, 0.25f), 0.75f),
+                new GradientColorKey(new Color(0.5f, 1, 1), 0.875f),
+                new GradientColorKey(Color.white, 1)
+            };
+
+            // Generic gradient alpha keys
+            var alphaKeys = new List<GradientAlphaKey> {new GradientAlphaKey(1, 0), new GradientAlphaKey(1, 1)};
+
+            _empty = new Gradient();
+
+            _rgb = new Gradient();
+            _rgb.SetKeys(rgbColorKeys.ToArray(), alphaKeys.ToArray());
+
+            _rgba = new Gradient();
+            _rgba.SetKeys(rgbaColorKeys.ToArray(), rgbaAlphaKeys.ToArray());
+
+            _grayscale = new Gradient();
+            _grayscale.SetKeys(grayscaleColorKeys.ToArray(), alphaKeys.ToArray());
+
+            _terrain = new Gradient();
+            _terrain.SetKeys(terrainColorKeys.ToArray(), alphaKeys.ToArray());
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Gets the empty instance of Gradient.
+        /// </summary>
+        public static Gradient Empty
+        {
+            get { return _empty; }
+        }
+
+        /// <summary>
+        /// Gets the grayscale instance of Gradient.
+        /// </summary>
+        public static Gradient Grayscale
+        {
+            get { return _grayscale; }
+        }
+
+        /// <summary>
+        /// Gets the RGB instance of Gradient.
+        /// </summary>
+        public static Gradient RGB
+        {
+            get { return _rgb; }
+        }
+
+        /// <summary>
+        /// Gets the RGBA instance of Gradient.
+        /// </summary>
+        public static Gradient RGBA
+        {
+            get { return _rgba; }
+        }
+
+        /// <summary>
+        /// Gets the terrain instance of Gradient.
+        /// </summary>
+        public static Gradient Terrain
+        {
+            get { return _terrain; }
+        }
+
+        #endregion
+    }
+}
+\ No newline at end of file