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

---
 .../Previews/Preview_ParallaxMappingNode.shader    | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxMappingNode.shader

(limited to 'Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxMappingNode.shader')

diff --git a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxMappingNode.shader b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxMappingNode.shader
new file mode 100644
index 00000000..5ea1a1bb
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_ParallaxMappingNode.shader
@@ -0,0 +1,44 @@
+Shader "Hidden/ParallaxMappingNode"
+{
+	Properties
+	{
+		_A ("_UV", 2D) = "white" {}
+		_B ("_Height", 2D) = "white" {}
+		_C ("_Scale", 2D) = "white" {}
+		_D ("_ViewDirTan", 2D) = "white" {}
+	}
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#include "UnityCG.cginc"
+			#pragma vertex vert_img
+			#pragma fragment frag
+
+			sampler2D _A;
+			sampler2D _B;
+			sampler2D _C;
+			sampler2D _D;
+			float _ParallaxType;
+
+			float4 frag(v2f_img i) : SV_Target
+			{
+				float2 uv = tex2D( _A, i.uv ).rg;
+				float h = tex2D( _B, i.uv ).r;
+				float s = tex2D( _C, i.uv ).r;
+				float3 vt = tex2D( _D, i.uv ).xyz;
+				float2 parallaxed = uv;
+				if ( _ParallaxType == 1 ) {
+					parallaxed = ( ( h - 1 )*( vt.xy / vt.z ) * s ) + uv;
+				}
+				else {
+					parallaxed = ( ( h - 1 )*( vt.xy ) * s ) + uv;
+				}
+
+				return float4(parallaxed, 0 , 0);
+			}
+			ENDCG
+		}
+	}
+}
-- 
cgit v1.1-26-g67d0