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_HSVToRGBNode.shader           | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_HSVToRGBNode.shader

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

diff --git a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_HSVToRGBNode.shader b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_HSVToRGBNode.shader
new file mode 100644
index 00000000..3bb972a6
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_HSVToRGBNode.shader
@@ -0,0 +1,41 @@
+Shader "Hidden/HSVToRGBNode"
+{
+	Properties
+	{
+		_A ( "_Hue",  2D ) = "white" {}
+		_B ( "_Saturation",  2D ) = "white" {}
+		_C ( "_Value",  2D ) = "white" {}
+	}
+
+	SubShader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#include "UnityCG.cginc"
+			#pragma vertex vert_img
+			#pragma fragment frag
+
+			uniform sampler2D _A;
+			uniform sampler2D _B;
+			uniform sampler2D _C;
+
+			float3 HSVToRGB( float3 c )
+			{
+				float4 K = float4( 1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0 );
+				float3 p = abs( frac( c.xxx + K.xyz ) * 6.0 - K.www );
+				return c.z * lerp( K.xxx, saturate( p - K.xxx ), c.y );
+			}
+
+			float4 frag ( v2f_img i ) : SV_Target
+			{
+				float h = tex2D ( _A, i.uv ).r;
+				float s = tex2D ( _B, i.uv ).r;
+				float v = tex2D ( _C, i.uv ).r;
+
+				return float4( HSVToRGB(float3(h,s,v)), 1 );
+			}
+			ENDCG
+		}
+	}
+}
-- 
cgit v1.1-26-g67d0