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unity-shader-example-animationTree

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buildin效果图

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AnimationTreeFoliage.shader

AnimationTreeFoliage.shader
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Shader "HHF/Example/AnimationTreeFoliage"
{
	Properties
	{
		[MainTexture]_MainTex("MainTex", 2D) = "white" {}
		[Header(Settings)][Space(5)]_MainColor("Main Color", Color) = (1,1,1,0)
		_AlphaCutoff("Alpha Cutoff", Range( 0 , 1)) = 0.35
		[Header(Second Color Settings)][Space(5)][Toggle(_COLOR2ENABLE_ON)] _Color2Enable("Enable", Float) = 0
		_SecondColor("Second Color", Color) = (0,0,0,0)
//		[KeywordEnum(World_Position,UV_Based)] _SecondColorOverlayType("Overlay Type", Float) = 0
		_SecondColorOffset("Offset", Float) = 0
		_SecondColorFade("Fade", Range( -1 , 1)) = 0.5
//		_WorldScale("World Scale", Float) = 1
		[Header(Wind Settings)][Space(5)][Toggle(_ENABLEWIND_ON)] _EnableWind("Enable", Float) = 1
		_WindForce("Force", Range( 0 , 2)) = 0.3
		_WindWavesScale("Waves Scale", Range( 0 , 1)) = 0.25
		_WindSpeed("Speed", Range( 0 , 2)) = 1
	}
	
	SubShader
    {
        Tags { "Queue"="Geometry" "RenderType" = "Opaque" "IgnoreProjector" = "True" "RenderPipeline" = "UniversalPipeline" }
		Cull Back
    	
        Pass
        {
            HLSLPROGRAM
            // Required to compile gles 2.0 with standard srp library
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing
            #pragma shader_feature_local _ENABLEWIND_ON
			#pragma shader_feature_local _COLOR2ENABLE_ON
            #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
            #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/UnityInstancing.hlsl"

            struct appdata {
				float4 vertex : POSITION;
				float3 normal : NORMAL;
            	float2 uv : TEXCOORD0;

            	#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输入定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
			
			struct v2f {
				float4 positionCS : SV_POSITION;
				float3 positionWS : TEXCOORD0;
				float3 normalWS : TEXCOORD1;
				float2 uv : TEXCOORD2;
				float4 positionSS : TEXCOORD3;

				#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输出定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};

            CBUFFER_START(UnityPerMaterial)
			float _WindSpeed;
            float _WindWavesScale;
            float _WindForce;
            float4 _MainColor;
            float4 _SecondColor;
            // float _WorldScale;
            float _SecondColorOffset;
            float _SecondColorFade;
            float _AlphaCutoff;
			CBUFFER_END
            
			TEXTURE2D (_MainTex);SAMPLER(sampler_MainTex);

            float3 mod3D289( float3 x )
            {
	            return x - floor( x / 289.0 ) * 289.0;
            }
            
			float4 mod3D289( float4 x )
            {
	            return x - floor( x / 289.0 ) * 289.0;
            }

			float4 permute( float4 x )
            {
	            return mod3D289( ( x * 34.0 + 1.0 ) * x );
            }

			float4 taylorInvSqrt( float4 r )
            {
	            return 1.79284291400159 - r * 0.85373472095314;
            }
            
            float perlinNoise( float3 v )
			{
				const float2 C = float2( 1.0 / 6.0, 1.0 / 3.0 );
				float3 i = floor( v + dot( v, C.yyy ) );
				float3 x0 = v - i + dot( i, C.xxx );
				float3 g = step( x0.yzx, x0.xyz );
				float3 l = 1.0 - g;
				float3 i1 = min( g.xyz, l.zxy );
				float3 i2 = max( g.xyz, l.zxy );
				float3 x1 = x0 - i1 + C.xxx;
				float3 x2 = x0 - i2 + C.yyy;
				float3 x3 = x0 - 0.5;
				i = mod3D289( i);
				float4 p = permute( permute( permute( i.z + float4( 0.0, i1.z, i2.z, 1.0 ) ) + i.y + float4( 0.0, i1.y, i2.y, 1.0 ) ) + i.x + float4( 0.0, i1.x, i2.x, 1.0 ) );
            	float4 j = p - 49.0 * floor( p / 49.0 );  // mod(p,7*7)
				float4 x_ = floor( j / 7.0 );
				float4 y_ = floor( j - 7.0 * x_ );  // mod(j,N)
				float4 x = ( x_ * 2.0 + 0.5 ) / 7.0 - 1.0;
				float4 y = ( y_ * 2.0 + 0.5 ) / 7.0 - 1.0;
				float4 h = 1.0 - abs( x ) - abs( y );
				float4 b0 = float4( x.xy, y.xy );
				float4 b1 = float4( x.zw, y.zw );
				float4 s0 = floor( b0 ) * 2.0 + 1.0;
				float4 s1 = floor( b1 ) * 2.0 + 1.0;
				float4 sh = -step( h, 0.0 );
				float4 a0 = b0.xzyw + s0.xzyw * sh.xxyy;
				float4 a1 = b1.xzyw + s1.xzyw * sh.zzww;
				float3 g0 = float3( a0.xy, h.x );
				float3 g1 = float3( a0.zw, h.y );
				float3 g2 = float3( a1.xy, h.z );
				float3 g3 = float3( a1.zw, h.w );
				float4 norm = taylorInvSqrt( float4( dot( g0, g0 ), dot( g1, g1 ), dot( g2, g2 ), dot( g3, g3 ) ) );
				g0 *= norm.x;
				g1 *= norm.y;
				g2 *= norm.z;
				g3 *= norm.w;
				float4 m = max( 0.6 - float4( dot( x0, x0 ), dot( x1, x1 ), dot( x2, x2 ), dot( x3, x3 ) ), 0.0 );
				m = m* m;
				m = m* m;
				float4 px = float4( dot( x0, g0 ), dot( x1, g1 ), dot( x2, g2 ), dot( x3, g3 ) );
				return  42.0 * dot( m, px);
			}

            v2f vert(appdata v) {

            	v2f o = (v2f)0;
            	
                // 在顶点着色器中设置相应的instanceID,默认的坐标变换就已经支持了
                UNITY_SETUP_INSTANCE_ID(v);
                // 把instanceID从顶点着色器传到片断着色器
                UNITY_TRANSFER_INSTANCE_ID(v, o);
                	
            	// 风
            	#if _ENABLEWIND_ON
					float3 worldPosOri = mul( unity_ObjectToWorld, v.vertex );
					float posOffsetWind = _Time.y * _WindSpeed;
					float perlin = perlinNoise( (worldPosOri + posOffsetWind) * _WindWavesScale );
            		
            		v.vertex.xyz += perlin * pow(v.uv.y, 2) * _WindForce ;
					v.vertex.w = 1;
            	#endif

				o.positionWS = TransformObjectToWorld(v.vertex.xyz); 
            	o.positionCS = TransformObjectToHClip(v.vertex.xyz);
            	o.positionSS = ComputeScreenPos( o.positionCS);
            	o.normalWS = TransformObjectToWorldNormal(v.normal);
            	o.uv = v.uv;
            	
            	return o;
			}
			
			half4 frag(v2f i) : SV_Target {

				// 在片断着色器中设置相应的instanceID
                UNITY_SETUP_INSTANCE_ID(i);
				
				half4 c = 1;

				// 主纹理
				float4 mainTex = SAMPLE_TEXTURE2D( _MainTex, sampler_MainTex, i.uv );
				clip(mainTex.a - _AlphaCutoff );

				float4 mainColor = mainTex * _MainColor;
				float4 combineColor = mainColor ;
				
				// 双色处理
				#if _COLOR2ENABLE_ON
					float secondColorOffset2 = i.uv.y;
					// #if _SECONDCOLOROVERLAYTYPE_WORLD_POSITION
					// 	secondColorOffset2 = perlinNoise( i.positionWS * _WorldScale );
					// 	secondColorOffset2 = secondColorOffset2 * 0.5 + 0.5;
					// #endif
					
					float secondColorMask = saturate(( secondColorOffset2 + _SecondColorOffset ) * ( _SecondColorFade * 2 ));
					float4 secColor = mainTex * _SecondColor;
					combineColor = lerp(mainColor, secColor, secondColorMask);
				#endif 

				// 光照处理
				// 漫反射
				Light mainLight = GetMainLight();
				half3 N = normalize(i.normalWS);
				half3 L = normalize(mainLight.direction);
				half3 diffuse = mainLight.color.rgb * saturate(dot(N, L));
				diffuse = diffuse * 0.5 + 0.5 ;
				// return half4(diffuse.rgb, 1);
				// 间接光照
				float3 indirectLight = diffuse + i.normalWS * 0.0001;
				// return half4(indirectLight, 1);
				// 直接光照
				// float3 L2 = Unity_SafeNormalize( UnityWorldSpaceLightDir( i.positionWS ));
				// float3 L2 = SafeNormalize(mainLight.direction);
				float L2ON = dot( L, N );
				float3 directLight = saturate(L2ON) * mainLight.color;
				// return half4(directLight, 1);

				c.rgb = (indirectLight + directLight) * combineColor.rgb;
				
				return c;
			}
            
            ENDHLSL
        }
    }
	
	SubShader
	{
		Tags{ "RenderType" = "Opaque"  "Queue" = "Geometry" }
		Cull Back
		
		Pass {
//			Cull Off

            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing
            #pragma shader_feature_local _ENABLEWIND_ON
			#pragma shader_feature_local _COLOR2ENABLE_ON
			// #pragma shader_feature_local _SECONDCOLOROVERLAYTYPE_WORLD_POSITION _SECONDCOLOROVERLAYTYPE_UV_BASED

            #include "UnityCG.cginc"
            #include "Lighting.cginc"
            #include "AutoLight.cginc"

            struct appdata {
				float4 vertex : POSITION;
				float3 normal : NORMAL;
            	float2 uv : TEXCOORD0;

            	#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输入定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
			
			struct v2f {
				float4 positionCS : SV_POSITION;
				float3 positionWS : TEXCOORD0;
				float3 normalWS : TEXCOORD1;
				float2 uv : TEXCOORD2;
				float4 positionSS : TEXCOORD3;

				#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输出定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
            
            float _WindSpeed;
            float _WindWavesScale;
            float _WindForce;
            sampler2D _MainTex;
            float4 _MainColor;
            float4 _SecondColor;
            // float _WorldScale;
            float _SecondColorOffset;
            float _SecondColorFade;
            float _AlphaCutoff;

            float3 mod3D289( float3 x )
            {
	            return x - floor( x / 289.0 ) * 289.0;
            }
            
			float4 mod3D289( float4 x )
            {
	            return x - floor( x / 289.0 ) * 289.0;
            }

			float4 permute( float4 x )
            {
	            return mod3D289( ( x * 34.0 + 1.0 ) * x );
            }

			float4 taylorInvSqrt( float4 r )
            {
	            return 1.79284291400159 - r * 0.85373472095314;
            }
            
            float perlinNoise( float3 v )
			{
				const float2 C = float2( 1.0 / 6.0, 1.0 / 3.0 );
				float3 i = floor( v + dot( v, C.yyy ) );
				float3 x0 = v - i + dot( i, C.xxx );
				float3 g = step( x0.yzx, x0.xyz );
				float3 l = 1.0 - g;
				float3 i1 = min( g.xyz, l.zxy );
				float3 i2 = max( g.xyz, l.zxy );
				float3 x1 = x0 - i1 + C.xxx;
				float3 x2 = x0 - i2 + C.yyy;
				float3 x3 = x0 - 0.5;
				i = mod3D289( i);
				float4 p = permute( permute( permute( i.z + float4( 0.0, i1.z, i2.z, 1.0 ) ) + i.y + float4( 0.0, i1.y, i2.y, 1.0 ) ) + i.x + float4( 0.0, i1.x, i2.x, 1.0 ) );
            	float4 j = p - 49.0 * floor( p / 49.0 );  // mod(p,7*7)
				float4 x_ = floor( j / 7.0 );
				float4 y_ = floor( j - 7.0 * x_ );  // mod(j,N)
				float4 x = ( x_ * 2.0 + 0.5 ) / 7.0 - 1.0;
				float4 y = ( y_ * 2.0 + 0.5 ) / 7.0 - 1.0;
				float4 h = 1.0 - abs( x ) - abs( y );
				float4 b0 = float4( x.xy, y.xy );
				float4 b1 = float4( x.zw, y.zw );
				float4 s0 = floor( b0 ) * 2.0 + 1.0;
				float4 s1 = floor( b1 ) * 2.0 + 1.0;
				float4 sh = -step( h, 0.0 );
				float4 a0 = b0.xzyw + s0.xzyw * sh.xxyy;
				float4 a1 = b1.xzyw + s1.xzyw * sh.zzww;
				float3 g0 = float3( a0.xy, h.x );
				float3 g1 = float3( a0.zw, h.y );
				float3 g2 = float3( a1.xy, h.z );
				float3 g3 = float3( a1.zw, h.w );
				float4 norm = taylorInvSqrt( float4( dot( g0, g0 ), dot( g1, g1 ), dot( g2, g2 ), dot( g3, g3 ) ) );
				g0 *= norm.x;
				g1 *= norm.y;
				g2 *= norm.z;
				g3 *= norm.w;
				float4 m = max( 0.6 - float4( dot( x0, x0 ), dot( x1, x1 ), dot( x2, x2 ), dot( x3, x3 ) ), 0.0 );
				m = m* m;
				m = m* m;
				float4 px = float4( dot( x0, g0 ), dot( x1, g1 ), dot( x2, g2 ), dot( x3, g3 ) );
				return  42.0 * dot( m, px);
			}

            v2f vert(appdata v) {

            	v2f o = (v2f)0;
            	
                // 在顶点着色器中设置相应的instanceID,默认的坐标变换就已经支持了
                UNITY_SETUP_INSTANCE_ID(v);
                // 把instanceID从顶点着色器传到片断着色器
                UNITY_TRANSFER_INSTANCE_ID(v, o);
                	
            	// 风
            	#if _ENABLEWIND_ON
					float3 worldPosOri = mul( unity_ObjectToWorld, v.vertex );
					float posOffsetWind = _Time.y * _WindSpeed;
					float perlin = perlinNoise( (worldPosOri + posOffsetWind) * _WindWavesScale );
            		
            		v.vertex.xyz += perlin * pow(v.uv.y, 2) * _WindForce ;
					v.vertex.w = 1;
            	#endif

				o.positionWS = mul(UNITY_MATRIX_M, v.vertex);
            	o.positionCS = UnityObjectToClipPos(v.vertex);
            	o.positionSS = ComputeScreenPos(o.positionCS);
            	o.normalWS = UnityObjectToWorldNormal(v.normal);
            	o.uv = v.uv;
            	
            	return o;
			}
			
			half4 frag(v2f i) : SV_Target {

				// 在片断着色器中设置相应的instanceID
                UNITY_SETUP_INSTANCE_ID(i);
				
				half4 c = 1;

				// 主纹理
				float4 mainTex = tex2D( _MainTex, i.uv );
				clip(mainTex.a - _AlphaCutoff );

				float4 mainColor = mainTex * _MainColor;
				float4 combineColor = mainColor ;
				
				// 双色处理
				#if _COLOR2ENABLE_ON
					float secondColorOffset2 = i.uv.y;
					// #if _SECONDCOLOROVERLAYTYPE_WORLD_POSITION
					// 	secondColorOffset2 = perlinNoise( i.positionWS * _WorldScale );
					// 	secondColorOffset2 = secondColorOffset2 * 0.5 + 0.5;
					// #endif
					
					float secondColorMask = saturate(( secondColorOffset2 + _SecondColorOffset ) * ( _SecondColorFade * 2 ));
					float4 secColor = mainTex * _SecondColor;
					combineColor = lerp(mainColor, secColor, secondColorMask);
				#endif 

				// 光照处理
				// 漫反射
				half3 N = normalize(i.normalWS);
				half3 L = normalize(_WorldSpaceLightPos0.xyz);
				half3 diffuse = _LightColor0.rgb * saturate(dot(N, L));
				diffuse = diffuse * 0.5 + 0.5 ;
				// return half4(diffuse.rgb, 1);
				// 间接光照
				float3 indirectLight = diffuse + i.normalWS * 0.0001;
				// return half4(indirectLight, 1);
				// 直接光照
				// float3 L2 = Unity_SafeNormalize( UnityWorldSpaceLightDir( i.positionWS ));
				float L2ON = dot( L, N );
				float3 directLight = saturate(L2ON) * _LightColor0;
				// return half4(directLight, 1);

				c.rgb = (indirectLight + directLight) * combineColor;
				
				return c;
			}

            ENDCG
        }
	}
}

AnimationTreeSurface.shader

AnimationTreeSurface.shader
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Shader "HHF/Example/AnimationTreeSurface"
{
	Properties
	{
		[MainTexture]_MainTex("MainTex", 2D) = "white" {}
		[Normal][SingleLineTexture]_Normal("Normal", 2D) = "bump" {}
		[Header(Settings)][Space(5)]_Color("Color", Color) = (1,1,1,0)
		_NormalScale("Normal", Float) = 1
	}

	SubShader 
    {
        Tags{"RenderPipeline"="UniversalPipeline" "RenderType"="Opaque"}
		Cull Back
    	
        Pass
        {
            HLSLPROGRAM
            #pragma prefer_hlslcc gles
            #pragma exclude_renderers d3d11_9x
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing
            
            #include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/ShaderGraphFunctions.hlsl"
            
            struct appdata {
				float4 vertex : POSITION;
            	float2 uv : TEXCOORD0;

            	#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输入定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
			
			struct v2f {
				float4 positionCS : SV_POSITION;
				float3 positionWS : TEXCOORD0;
				float2 uv : TEXCOORD2;

				#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输出定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};

            CBUFFER_START(UnityPerMaterial)
            float4 _MainTex_ST;
            float4 _LightTex_ST;
            float _NormalScale;
            half4 _Color;
            CBUFFER_END

            TEXTURE2D (_MainTex);SAMPLER(sampler_MainTex);
            TEXTURE2D (_Normal);SAMPLER(sampler_Normal);

            v2f vert(appdata v) {
            	v2f o = (v2f)0;
            	
            	// 在顶点着色器中设置相应的instanceID,默认的坐标变换就已经支持了
                UNITY_SETUP_INSTANCE_ID(v);
                // 把instanceID从顶点着色器传到片断着色器
                UNITY_TRANSFER_INSTANCE_ID(v, o);
				
				o.positionCS = TransformObjectToHClip(v.vertex.xyz);
            	o.positionWS = TransformObjectToWorld(v.vertex.xyz);
            	o.uv = TRANSFORM_TEX(v.uv, _MainTex);

				return o;
			}
			
			half4 frag(v2f i) : SV_Target {

				// 在片断着色器中设置相应的instanceID
                UNITY_SETUP_INSTANCE_ID(i);

				half4 c = 1;

				float4 mainTex = SAMPLE_TEXTURE2D( _MainTex, sampler_MainTex, i.uv );
				float4 mainColor = mainTex * _Color;

				// 光照处理
				// 漫反射
				Light mainLight = GetMainLight();
				float3 normalMap = UnpackNormalScale( SAMPLE_TEXTURE2D( _Normal, sampler_Normal, i.uv ), _NormalScale);
				half3 N = normalMap; //normalize(Normal);
				half3 L = normalize(mainLight.direction.xyz);
				half3 diffuse = mainLight.color.rgb * saturate(dot(N, L));
				diffuse = diffuse * 0.5 + 0.5 ;
				// 间接光照
				float3 indirectLight = diffuse + normalMap * 0.0001;
				// 直接光照
				// float3 L2 = Unity_SafeNormalize( UnityWorldSpaceLightDir( i.positionWS ));
				float L2ON = dot( L, N );
				float3 directLight = saturate(L2ON) * mainLight.color;
				c.rgb = (indirectLight + directLight) * mainColor;
				
				return c;
			}

            ENDHLSL
        }   
    }
	
	SubShader
	{
		Tags{ "RenderType" = "Opaque"  "Queue" = "Geometry"  }
		Cull Back
		
		Pass {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing

            #include "UnityCG.cginc"
            #include "Lighting.cginc"
            #include "AutoLight.cginc"

            struct appdata {
				float4 vertex : POSITION;
            	float2 uv : TEXCOORD0;

            	#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输入定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
			
			struct v2f {
				float4 positionCS : SV_POSITION;
				float3 positionWS : TEXCOORD0;
				float2 uv : TEXCOORD2;

				#ifdef UNITY_INSTANCING_ENABLED
                    // 在顶点着色器的输出定义instanceID
                    UNITY_VERTEX_INPUT_INSTANCE_ID
                #endif
			};
            
            sampler2D _Normal;
            float _NormalScale;
            float4 _Color;
            sampler2D _MainTex; float4 _MainTex_ST;

            v2f vert(appdata v) {
            	v2f o = (v2f)0;
            	
            	// 在顶点着色器中设置相应的instanceID,默认的坐标变换就已经支持了
                UNITY_SETUP_INSTANCE_ID(v);
                // 把instanceID从顶点着色器传到片断着色器
                UNITY_TRANSFER_INSTANCE_ID(v, o);
				
				o.positionCS = UnityObjectToClipPos(v.vertex.xyz);
            	o.positionWS = mul(UNITY_MATRIX_M, v.vertex);
            	o.uv = TRANSFORM_TEX(v.uv, _MainTex);

				return o;
			}
			
			half4 frag(v2f i) : SV_Target {

				// 在片断着色器中设置相应的instanceID
                UNITY_SETUP_INSTANCE_ID(i);

				half4 c = 1;

				float4 mainTex = tex2D( _MainTex, i.uv );
				float4 mainColor = mainTex * _Color;

				// 光照处理
				// 漫反射
				float3 normalMap = UnpackScaleNormal( tex2D( _Normal, i.uv ), _NormalScale);
				half3 N = normalMap; //normalize(Normal);
				half3 L = normalize(_WorldSpaceLightPos0.xyz);
				half3 diffuse = _LightColor0.rgb * saturate(dot(N, L));
				diffuse = diffuse * 0.5 + 0.5 ;
				// 间接光照
				float3 indirectLight = diffuse + normalMap * 0.0001;
				// 直接光照
				// float3 L2 = Unity_SafeNormalize( UnityWorldSpaceLightDir( i.positionWS ));
				float L2ON = dot( L, N );
				float3 directLight = saturate(L2ON) * _LightColor0;
				c.rgb = (indirectLight + directLight) * mainColor;
				
				return c;
			}

            ENDCG
        }
    }
}