1 files changed, 32 insertions, 0 deletions
diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/TauNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/TauNode.cs
new file mode 100644
index 00000000..4901dbbf
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Constants/TauNode.cs
@@ -0,0 +1,32 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+//
+// Custom Node TAU
+// Donated by The Four Headed Cat - @fourheadedcat
+
+using UnityEngine;
+using System;
+
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Tau", "Constants And Properties", "Tau constant (2*PI): 6.28318530718", null, KeyCode.None, true, false, null,null, "The Four Headed Cat - @fourheadedcat" )]
+	public sealed class TauNode : ParentNode
+	{
+		private readonly string Tau = ( 2.0 * Mathf.PI ).ToString();
+		public TauNode() : base() { }
+		public TauNode( int uniqueId, float x, float y, float width, float height ) : base( uniqueId, x, y, width, height ) { }
+
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddOutputPort( WirePortDataType.FLOAT, Constants.EmptyPortValue );
+			m_previewShaderGUID = "701bc295c0d75d8429eabcf45e8e008d";
+		}
+
+		public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
+		{
+			return dataCollector.IsSRP? "TWO_PI": Tau;
+		}
+	}
+}