* amplify shader editor

1 files changed, 34 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/WorldSpaceViewDirHlpNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/WorldSpaceViewDirHlpNode.cs
new file mode 100644
index 00000000..27b3dcbd
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/HelperFuncs/WorldSpaceViewDirHlpNode.cs
@@ -0,0 +1,34 @@
+// Amplify Shader Editor - Visual Shader Editing Tool
+// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
+
+using System;
+namespace AmplifyShaderEditor
+{
+	[Serializable]
+	[NodeAttributes( "World Space View Dir", "Object Transform", "World space direction (not normalized) from given object space vertex position towards the camera" )]
+	public sealed class WorldSpaceViewDirHlpNode : HelperParentNode
+	{
+		protected override void CommonInit( int uniqueId )
+		{
+			base.CommonInit( uniqueId );
+			m_funcType = "WorldSpaceViewDir";
+			//TODO: revisit this later
+			m_funcLWFormatOverride = "( _WorldSpaceCameraPos.xyz - mul(GetObjectToWorldMatrix(), {0} ).xyz )";
+			m_funcHDFormatOverride = "( _WorldSpaceCameraPos.xyz - mul(GetObjectToWorldMatrix(), {0} ).xyz )";
+			m_inputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT4, false );
+			m_inputPorts[ 0 ].Vector4InternalData = new UnityEngine.Vector4( 0, 0, 0, 1 );
+			m_outputPorts[ 0 ].ChangeType( WirePortDataType.FLOAT3, false );
+			m_outputPorts[ 0 ].Name = "XYZ";
+			AddOutputPort( WirePortDataType.FLOAT, "X" );
+			AddOutputPort( WirePortDataType.FLOAT, "Y" );
+			AddOutputPort( WirePortDataType.FLOAT, "Z" );
+			m_previewShaderGUID = "fe0e09756a8a0ba408015b43e66cb8a6";
+		}
+
+		protected override void OnUniqueIDAssigned()
+		{
+			base.OnUniqueIDAssigned();
+			m_localVarName = "worldSpaceViewDir" + OutputId;
+		}
+	}
+}