From 917e9e0b320775634dc2e710f7deac74fd0822f0 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 22 Oct 2020 23:30:02 +0800
Subject: * amplify shader editor

---
 .../Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs     | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs

(limited to 'Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs')

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs
new file mode 100644
index 00000000..26b8a542
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/ParallaxOffsetHlpNode.cs
@@ -0,0 +1,47 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "Parallax Offset", "UV Coordinates", "Calculates UV offset for parallax normal mapping" )]
+	public sealed class ParallaxOffsetHlpNode : HelperParentNode
+	{
+		public readonly string[] ParallaxOffsetFunc = 
+		{
+			"inline float2 ParallaxOffset( half h, half height, half3 viewDir )\n",
+			"{\n",
+			"\th = h * height - height/2.0;\n",
+			"\tfloat3 v = normalize( viewDir );\n",
+			"\tv.z += 0.42;\n",
+			"\treturn h* (v.xy / v.z);\n",
+			"}\n"
+		};
+
+		void OnSRPActionEvent( int outputId, ref MasterNodeDataCollector dataCollector )
+		{
+			dataCollector.AddFunction( ParallaxOffsetFunc[ 0 ], ParallaxOffsetFunc, false );
+		}
+
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			m_funcType = "ParallaxOffset";
+			m_inputPorts[ 0 ].ChangeProperties( "H", WirePortDataType.FLOAT, false );
+			AddInputPort( WirePortDataType.FLOAT, false, "Height" );
+			AddInputPort( WirePortDataType.FLOAT3, false, "ViewDir (tan)" );
+			m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT2, false );
+			m_outputPorts[ 0 ].Name = "Out";
+			OnHDAction = OnSRPActionEvent;
+			OnLightweightAction = OnSRPActionEvent;
+			m_previewShaderGUID = "6085f804c6fbf354eac039c11feaa7cc";
+		}
+
+		protected override void OnUniqueIDAssigned()
+		{
+			base.OnUniqueIDAssigned();
+			m_localVarName = "paralaxOffset" + OutputId;
+		}
+	}
+}
-- 
cgit v1.1-26-g67d0