135 lines
7.4 KiB
HLSL
135 lines
7.4 KiB
HLSL
//UCTS_Outline_tess.cginc
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//Unitychan Toon Shader ver.2.0
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//v.2.0.6
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//nobuyuki@unity3d.com
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//https://github.com/unity3d-jp/UnityChanToonShaderVer2_Project
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//(C)Unity Technologies Japan/UCL
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// カメラオフセット付きアウトライン（BaseColorライトカラー反映修正版/Tessellation対応版）
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// 2018/02/05 Outline Tex対応版
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// #pragma multi_compile _IS_OUTLINE_CLIPPING_NO _IS_OUTLINE_CLIPPING_YES
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// _IS_OUTLINE_CLIPPING_YESは、Clippigマスクを使用するシェーダーでのみ使用できる. OutlineのブレンドモードにBlend SrcAlpha OneMinusSrcAlphaを追加すること.
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// ※Tessellation対応
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// 対応部分のコードは、Nora氏の https://github.com/Stereoarts/UnityChanToonShaderVer2_Tess を参考にしました.
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//
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#ifdef TESSELLATION_ON
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#include "UCTS_Tess.cginc"
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#endif
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#ifndef TESSELLATION_ON
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uniform float4 _LightColor0;
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#endif
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uniform float4 _BaseColor;
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//v.2.0.5
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uniform float4 _Color;
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uniform sampler2D _MainTex; uniform float4 _MainTex_ST;
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uniform float _Outline_Width;
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uniform float _Farthest_Distance;
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uniform float _Nearest_Distance;
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uniform sampler2D _Outline_Sampler; uniform float4 _Outline_Sampler_ST;
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uniform float4 _Outline_Color;
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uniform fixed _Is_BlendBaseColor;
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uniform fixed _Is_LightColor_Base;
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uniform float _Offset_Z;
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//v2.0.4
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uniform sampler2D _OutlineTex; uniform float4 _OutlineTex_ST;
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uniform fixed _Is_OutlineTex;
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//Baked Normal Texture for Outline
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uniform sampler2D _BakedNormal; uniform float4 _BakedNormal_ST;
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uniform fixed _Is_BakedNormal;
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//
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//v.2.0.4
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#ifdef _IS_OUTLINE_CLIPPING_YES
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uniform sampler2D _ClippingMask; uniform float4 _ClippingMask_ST;
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uniform float _Clipping_Level;
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uniform fixed _Inverse_Clipping;
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uniform fixed _IsBaseMapAlphaAsClippingMask;
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#endif
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#ifndef TESSELLATION_ON
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struct VertexInput {
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float4 vertex : POSITION;
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float3 normal : NORMAL;
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float4 tangent : TANGENT;
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float2 texcoord0 : TEXCOORD0;
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};
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#endif
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struct VertexOutput {
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float4 pos : SV_POSITION;
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float2 uv0 : TEXCOORD0;
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float3 normalDir : TEXCOORD1;
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float3 tangentDir : TEXCOORD2;
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float3 bitangentDir : TEXCOORD3;
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};
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VertexOutput vert (VertexInput v) {
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VertexOutput o = (VertexOutput)0;
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o.uv0 = v.texcoord0;
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float4 objPos = mul ( unity_ObjectToWorld, float4(0,0,0,1) );
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//float3 lightColor = _LightColor0.rgb;
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float2 Set_UV0 = o.uv0;
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float4 _Outline_Sampler_var = tex2Dlod(_Outline_Sampler,float4(TRANSFORM_TEX(Set_UV0, _Outline_Sampler),0.0,0));
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//v.2.0.4.3 baked Normal Texture for Outline
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o.normalDir = UnityObjectToWorldNormal(v.normal);
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o.tangentDir = normalize( mul( unity_ObjectToWorld, float4( v.tangent.xyz, 0.0 ) ).xyz );
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o.bitangentDir = normalize(cross(o.normalDir, o.tangentDir) * v.tangent.w);
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float3x3 tangentTransform = float3x3( o.tangentDir, o.bitangentDir, o.normalDir);
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//UnpackNormal()が使えないので、以下で展開。使うテクスチャはBump指定をしないこと.
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float4 _BakedNormal_var = (tex2Dlod(_BakedNormal,float4(TRANSFORM_TEX(Set_UV0, _BakedNormal),0.0,0)) * 2 - 1);
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float3 _BakedNormalDir = normalize(mul(_BakedNormal_var.rgb, tangentTransform));
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//ここまで.
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float Set_Outline_Width = (_Outline_Width*0.001*smoothstep( _Farthest_Distance, _Nearest_Distance, distance(objPos.rgb,_WorldSpaceCameraPos) )*_Outline_Sampler_var.rgb).r;
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//v.2.0.4.2 for VRChat mirror object without normalize()
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float3 viewDirection = _WorldSpaceCameraPos.xyz - o.pos.xyz;
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float4 viewDirectionVP = mul(UNITY_MATRIX_VP, float4(viewDirection.xyz, 1));
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//v.2.0.4.2
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_Offset_Z = _Offset_Z * -0.01;
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//v2.0.4
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#ifdef _OUTLINE_NML
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//v.2.0.4.3 baked Normal Texture for Outline
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o.pos = UnityObjectToClipPos(lerp(float4(v.vertex.xyz + v.normal*Set_Outline_Width,1), float4(v.vertex.xyz + _BakedNormalDir*Set_Outline_Width,1),_Is_BakedNormal));
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#elif _OUTLINE_POS
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Set_Outline_Width = Set_Outline_Width*2;
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float signVar = dot(normalize(v.vertex),normalize(v.normal))<0 ? -1 : 1;
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o.pos = UnityObjectToClipPos(float4(v.vertex.xyz + signVar*normalize(v.vertex)*Set_Outline_Width, 1));
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#endif
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o.pos.z = o.pos.z + _Offset_Z*viewDirectionVP.z;
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return o;
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}
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#ifdef TESSELLATION_ON
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#ifdef UNITY_CAN_COMPILE_TESSELLATION
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// tessellation domain shader
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[UNITY_domain("tri")]
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VertexOutput ds_surf(UnityTessellationFactors tessFactors, const OutputPatch<InternalTessInterp_VertexInput, 3> vi, float3 bary : SV_DomainLocation)
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{
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VertexInput v = _ds_VertexInput(tessFactors, vi, bary);
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return vert(v);
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}
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#endif // UNITY_CAN_COMPILE_TESSELLATION
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#endif // TESSELLATION_ON
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float4 frag(VertexOutput i) : SV_Target{
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//v.2.0.5
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_Color = _BaseColor;
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float4 objPos = mul ( unity_ObjectToWorld, float4(0,0,0,1) );
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//float3 lightColor = _LightColor0.rgb;
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float2 Set_UV0 = i.uv0;
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float4 _MainTex_var = tex2D(_MainTex,TRANSFORM_TEX(Set_UV0, _MainTex));
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float3 _BaseColorMap_var = (_BaseColor.rgb*_MainTex_var.rgb);
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//v.2.0.5
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float3 Set_BaseColor = lerp( _BaseColorMap_var, (_BaseColorMap_var*saturate(_LightColor0.rgb)), _Is_LightColor_Base );
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//v.2.0.4
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float3 _Is_BlendBaseColor_var = lerp( _Outline_Color.rgb, (_Outline_Color.rgb*Set_BaseColor*Set_BaseColor), _Is_BlendBaseColor );
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float3 _OutlineTex_var = tex2D(_OutlineTex,TRANSFORM_TEX(Set_UV0, _OutlineTex));
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//v.2.0.4
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#ifdef _IS_OUTLINE_CLIPPING_NO
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float3 Set_Outline_Color = lerp(_Is_BlendBaseColor_var, _OutlineTex_var.rgb*_Is_BlendBaseColor_var, _Is_OutlineTex );
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return fixed4(Set_Outline_Color,1.0);
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#elif _IS_OUTLINE_CLIPPING_YES
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float4 _ClippingMask_var = tex2D(_ClippingMask,TRANSFORM_TEX(Set_UV0, _ClippingMask));
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float Set_MainTexAlpha = _MainTex_var.a;
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float _IsBaseMapAlphaAsClippingMask_var = lerp( _ClippingMask_var.r, Set_MainTexAlpha, _IsBaseMapAlphaAsClippingMask );
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float _Inverse_Clipping_var = lerp( _IsBaseMapAlphaAsClippingMask_var, (1.0 - _IsBaseMapAlphaAsClippingMask_var), _Inverse_Clipping );
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float Set_Clipping = saturate((_Inverse_Clipping_var+_Clipping_Level));
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clip(Set_Clipping - 0.5);
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float4 Set_Outline_Color = lerp( float4(_Is_BlendBaseColor_var,Set_Clipping), float4((_OutlineTex_var.rgb*_Is_BlendBaseColor_var),Set_Clipping), _Is_OutlineTex );
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return Set_Outline_Color;
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#endif
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}
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// UCTS_Outline.cginc ここまで.
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