Added a Twist UV node and moved the Noise Node into the correct directory.

MaterialGraphProject/Assets/UnityShaderEditor/Runtime/Nodes/Procedural/NoiseNode.cs.meta

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MaterialGraphProject/Assets/UnityShaderEditor/Runtime/Nodes/UV/TwistNode.cs

+using UnityEngine.Graphing;
+
+namespace UnityEngine.MaterialGraph
+{
+    [Title("UV/Twist")]
+    public class TwistNode : Function2Input, IGeneratesFunction
+    {
+        public TwistNode()
+        {
+            name = "Twist";
+        }
+
+        protected override string GetFunctionName()
+        {
+            return "unity_twist_" + precision;
+        }
+
+        protected override string GetInputSlot1Name()
+        {
+            return "UV";
+        }
+
+        protected override string GetInputSlot2Name()
+        {
+            return "Twist";
+        }
+
+        protected override MaterialSlot GetInputSlot1()
+        {
+            return new MaterialSlot(InputSlot1Id, GetInputSlot1Name(), kInputSlot1ShaderName, SlotType.Input, SlotValueType.Vector2, Vector2.zero);
+        }
+
+        protected override MaterialSlot GetInputSlot2()
+        {
+            return new MaterialSlot(InputSlot2Id, GetInputSlot2Name(), kInputSlot2ShaderName, SlotType.Input, SlotValueType.Vector1, Vector2.zero);
+        }
+
+        protected override MaterialSlot GetOutputSlot()
+        {
+            return new MaterialSlot(OutputSlotId, GetOutputSlotName(), kOutputSlotShaderName, SlotType.Output, SlotValueType.Vector2, Vector2.zero);
+        }
+
+        public void GenerateNodeFunction(ShaderGenerator visitor, GenerationMode generationMode)
+        {
+            var outputString = new ShaderGenerator();
+            outputString.AddShaderChunk(GetFunctionPrototype("uv", "twist"), false);
+            outputString.AddShaderChunk("{", false);
+            outputString.Indent();
+            outputString.AddShaderChunk("float angle = twist * length(uv);", false);
+            outputString.AddShaderChunk("float x = cos(angle) * uv.x - sin(angle) * uv.y;", false);
+            outputString.AddShaderChunk("float y = sin(angle) * uv.x + cos(angle) * uv.y;", false);
+            outputString.AddShaderChunk("return float2(x, y);", false);
+
+            outputString.Deindent();
+            outputString.AddShaderChunk("}", false);
+
+            visitor.AddShaderChunk(outputString.GetShaderString(0), true);
+        }
+    }
+}

MaterialGraphProject/Assets/UnityShaderEditor/Runtime/Nodes/UV/TwistNode.cs.meta

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MaterialGraphProject/Assets/Brandon/NoiseNode.cs.meta

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