* amplify shader editor

1 files changed, 30 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/DistanceBasedTessNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/DistanceBasedTessNode.cs
new file mode 100644
index 00000000..c49df07f
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/Vertex/Tessellation/DistanceBasedTessNode.cs
@@ -0,0 +1,30 @@
+
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+
+namespace AmplifyShaderEditor
+{
+	[System.Serializable]
+	[NodeAttributes( "Distance-based Tessellation", "Miscellaneous", "Calculates tessellation based on distance from camera" )]
+	public sealed class DistanceBasedTessNode : TessellationParentNode
+	{
+		private const string FunctionBody = "UnityDistanceBasedTess( v0.vertex, v1.vertex, v2.vertex, {0},{1},{2})";
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			AddInputPort( WirePortDataType.FLOAT, false,"Factor");
+			AddInputPort( WirePortDataType.FLOAT, false, "Min Dist" );
+			AddInputPort( WirePortDataType.FLOAT, false, "Max Dist" );
+			AddOutputPort( WirePortDataType.FLOAT4, Constants.EmptyPortValue );
+		}
+
+		protected override string BuildTessellationFunction( ref MasterNodeDataCollector dataCollector )
+		{
+			return string.Format(	FunctionBody,
+									m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector ),
+									m_inputPorts[ 2 ].GeneratePortInstructions( ref dataCollector ),
+									m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ) );
+		}
+	}
+}