* amplify shader editor

1 files changed, 23 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/EdgeLengthTessNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/EdgeLengthTessNode.cs
new file mode 100644
index 00000000..f4905bf1
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/EdgeLengthTessNode.cs
@@ -0,0 +1,23 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+namespace AmplifyShaderEditor
+{
+	[System.Serializable]
+	[NodeAttributes( "Edge Length Tessellation", "Miscellaneous", "Tessellation level computed based on triangle edge length on the screen" )]
+	public sealed class EdgeLengthTessNode : TessellationParentNode
+	{
+		private const string FunctionBody = "UnityEdgeLengthBasedTess (v0.vertex, v1.vertex, v2.vertex, {0})";
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT, false, "Edge Length" );
+			AddOutputPort( WirePortDataType.FLOAT4, Constants.EmptyPortValue );
+		}
+
+		protected override string BuildTessellationFunction( ref MasterNodeDataCollector dataCollector )
+		{
+			return string.Format( FunctionBody, m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ) );
+		}
+	}
+}