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Diffstat (limited to 'Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FresnelNode.shader')
-rw-r--r--Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FresnelNode.shader358
1 files changed, 0 insertions, 358 deletions
diff --git a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FresnelNode.shader b/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FresnelNode.shader
deleted file mode 100644
index 256a4d66..00000000
--- a/Assets/AmplifyShaderEditor/Plugins/EditorResources/Previews/Preview_FresnelNode.shader
+++ /dev/null
@@ -1,358 +0,0 @@
-Shader "Hidden/FresnelNode"
-{
- Properties
- {
- _A ("_Normal", 2D) = "white" {}
- _B ("_Bias", 2D) = "white" {}
- _C ("_Scale", 2D) = "white" {}
- _D ("_Power", 2D) = "white" {}
- _E ("_View", 2D) = "white" {}
- }
- SubShader
- {
- Pass //not connected world
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- //sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- int _FresnelType;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-saturate(dot(xy,xy)));
- float3 vertexPos = float3(xy, z);
- float3 worldNormal = normalize(float3(xy, z));
- float3 worldViewDir = normalize(float3(0,0,-5) - vertexPos);
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //connected world
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- int _FresnelType;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-saturate(dot(xy,xy)));
- float3 vertexPos = float3(xy, z);
- float3 worldNormal = tex2D( _A, i.uv );
- float3 worldViewDir = normalize(float3(0,0,-5) - vertexPos);
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //connected tangent
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- int _FresnelType;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-saturate(dot(xy,xy)));
- float3 vertexPos = float3(xy, z);
- float3 worldNormal = normalize(float3(xy, z));
-
- float3 tangent = normalize(float3( -z, xy.y*0.01, xy.x ));
- float3 worldPos = mul(unity_ObjectToWorld, float4(vertexPos,1)).xyz;
- float3 worldTangent = UnityObjectToWorldDir(tangent);
- float tangentSign = -1;
- float3 worldBinormal = normalize( cross(worldNormal, worldTangent) * tangentSign);
- float4 tSpace0 = float4(worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x);
- float4 tSpace1 = float4(worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y);
- float4 tSpace2 = float4(worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z);
-
- float2 sphereUVs = i.uv;
-
- sphereUVs.x = (atan2(vertexPos.x, -vertexPos.z) / (UNITY_PI) + 0.5);
- float3 tangentNormal = tex2D(_A, sphereUVs).xyz;
-
- worldNormal = fixed3( dot( tSpace0.xyz, tangentNormal ), dot( tSpace1.xyz, tangentNormal ), dot( tSpace2.xyz, tangentNormal ) );
-
- float3 worldViewDir = normalize(float3(0,0,-5) - vertexPos);
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //not connected half vector
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- //sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- int _FresnelType;
- float4 _EditorWorldLightPos;
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-(dot(xy,xy)));
- float3 vertexPos = normalize(float3(xy, z));
- float3 worldViewDir = normalize(float3(0,0,-5) - vertexPos);
- float3 lightDir = normalize( _EditorWorldLightPos.xyz );
- float3 halfVector = normalize(worldViewDir+lightDir);
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( halfVector, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( halfVector, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( halfVector, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //connected both
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- sampler2D _E;
- int _FresnelType;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-saturate(dot(xy,xy)));
- float3 vertexPos = float3(xy, z);
- float3 worldNormal = tex2D( _A, i.uv );
- float3 worldViewDir = tex2D( _E, i.uv );;
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //not connected world and light
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- //sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- int _FresnelType;
- float4 _EditorWorldLightPos;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-(dot(xy,xy)));
- float3 vertexPos = normalize(float3(xy, z));
- float3 normal = normalize(vertexPos);
- float3 worldNormal = UnityObjectToWorldNormal(normal);
- float3 lightDir = normalize( _EditorWorldLightPos.xyz );
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, lightDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, lightDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, lightDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //connected view
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- sampler2D _E;
- int _FresnelType;
-
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-saturate(dot(xy,xy)));
- float3 vertexPos = float3(xy, z);
- float3 normal = normalize(vertexPos);
- float3 worldNormal = UnityObjectToWorldNormal(normal);
- float3 worldViewDir = tex2D( _E, i.uv );
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( worldNormal, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( worldNormal, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
-
- Pass //not connected half vector with connected view
- {
- CGPROGRAM
- #include "UnityCG.cginc"
- #pragma vertex vert_img
- #pragma fragment frag
-
- //sampler2D _A;
- sampler2D _B;
- sampler2D _C;
- sampler2D _D;
- sampler2D _E;
- int _FresnelType;
- float4 _EditorWorldLightPos;
- float4 frag(v2f_img i) : SV_Target
- {
- float b = tex2D( _B, i.uv ).r;
- float s = tex2D( _C, i.uv ).r;
- float pw = tex2D( _D, i.uv ).r;
-
- float2 xy = 2 * i.uv - 1;
- float z = -sqrt(1-(dot(xy,xy)));
- float3 vertexPos = normalize(float3(xy, z));
- float3 worldViewDir = tex2D( _E, i.uv );
- float3 lightDir = normalize( _EditorWorldLightPos.xyz );
- float3 halfVector = normalize(worldViewDir+lightDir);
-
- float fresnel = 0;
- if(_FresnelType == 0)
- fresnel = (b + s*pow(1 - dot( halfVector, worldViewDir ) , pw));
- else if(_FresnelType == 1)
- fresnel = (b + (1-b) * pow(1 - dot( halfVector, worldViewDir ) , 5));
- else if(_FresnelType == 2)
- {
- float f0 = pow((1-s)/(1+s),2);
- fresnel = (f0 + (1-f0) * pow(1 - dot( halfVector, worldViewDir ) , 5));
- }
- return fresnel;
- }
- ENDCG
- }
- }
-}
generated by cgit v1.1-26-g67d0 at 2025-05-31 14:04:48 +0000