Initial commit

Assets/Procedural Worlds/Gaia/Scripts/Unity/Terrain Tools/Erosion/TerrainToolUtility.cs

@@ -0,0 +1,31 @@
+using UnityEngine;
+
+namespace Gaia {
+
+    #region Utility
+    public static class TerrainToolsUtility {
+
+        //assume this a 1D texture that has already been created
+        public static Vector2 AnimationCurveToRenderTexture(AnimationCurve curve, ref Texture2D tex) {
+
+            tex.wrapMode = TextureWrapMode.Clamp;
+            tex.filterMode = FilterMode.Bilinear;
+
+            float val = curve.Evaluate(0.0f);
+            Vector2 range = new Vector2(val, val);
+
+            Color[] pixels = new Color[tex.width];
+            for (int i = 1; i < tex.width; i++) {
+                float pct = (float)i / (float)tex.width;
+                pixels[i].r = curve.Evaluate(pct);
+                range[0] = Mathf.Min(range[0], pixels[i].r);
+                range[1] = Mathf.Max(range[1], pixels[i].r);
+            }
+            tex.SetPixels(pixels);
+            tex.Apply();
+
+            return range;
+        }
+    }
+    #endregion
+}