Repeating Dot Procedural Node

MaterialGraphProject/Assets/UnityShaderEditor/Runtime/Nodes/Procedural/RepeatingDotNode.cs

+namespace UnityEngine.MaterialGraph
+{
+    [Title("Procedural/Repeating Dot")]
+    public class RepeatingDotNode : Function2Input, IGeneratesFunction
+    {
+        public RepeatingDotNode()
+        {
+            name = "RepeatingDot";
+        }
+
+        protected override string GetFunctionName()
+        {
+            return "unity_repreatingdot_" + precision;
+        }
+
+        protected override string GetInputSlot1Name()
+        {
+            return "UV";
+        }
+
+        protected override string GetInputSlot2Name()
+        {
+            return "Count";
+        }
+
+        protected override MaterialSlot GetInputSlot1()
+        {
+            return new MaterialSlot(InputSlot1Id, GetInputSlot1Name(), kInputSlot1ShaderName, UnityEngine.Graphing.SlotType.Input, SlotValueType.Vector2, Vector2.zero);
+        }
+
+        protected override MaterialSlot GetInputSlot2()
+        {
+            return new MaterialSlot(InputSlot2Id, GetInputSlot2Name(), kInputSlot2ShaderName, UnityEngine.Graphing.SlotType.Input, SlotValueType.Vector1, Vector4.zero);
+        }
+
+        protected override MaterialSlot GetOutputSlot()
+        {
+            return new MaterialSlot(OutputSlotId, GetOutputSlotName(), kOutputSlotShaderName, UnityEngine.Graphing.SlotType.Output, SlotValueType.Vector1, Vector2.zero);
+        }
+
+        public void GenerateNodeFunction(ShaderGenerator visitor, GenerationMode generationMode)
+        {
+            var outputString = new ShaderGenerator();
+            outputString.AddShaderChunk(GetFunctionPrototype("uv", "count"), false);
+            outputString.AddShaderChunk("{", false);
+            outputString.Indent();
+            outputString.AddShaderChunk("uv *= 2.0 - 1.0;", false);
+            outputString.AddShaderChunk("uv = fmod(uv * count, 1.0) * 2.0 - 1.0;", false);
+            outputString.AddShaderChunk("return length(uv);", false);
+            outputString.Deindent();
+            outputString.AddShaderChunk("}", false);
+
+            visitor.AddShaderChunk(outputString.GetShaderString(0), true);
+        }
+    }
+}

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

+fileFormatVersion: 2
+guid: c65ff5e45f92e3b498f3ec3aa63b9598
+timeCreated: 1495550756
+licenseType: Pro
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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