描边 Outline

Uni0330 发表于 2024-8-12 18:29:35

Properties
{
   _MainTex("MainTex", 2D) = "white"{}
   _Diffuse("Color", Color) = (1,1,1,1)
   _Outline("Outline", Range(-2, 2)) = 0.1
   _OutlineColor("OutlineColor", Color) = (0,0,0,0)
}
SubShader
{
   Tags {
         "RenderType" = "Opaque"
   }
   LOD 100

   Pass
   {
         Name "OutLine"
         Cull Front

         CGPROGRAM
         #pragma vertex vert
         #pragma fragment frag
         #include "UnityCG.cginc"

         float _Outline;
         fixed4 _OutlineColor;

         struct v2f
         {
            float4 vertex : SV_POSITION;
         };

         v2f vert (appdata_base v)
         {
            v2f o;
            v.vertex.xyz += v.normal * _Outline;
            o.vertex = UnityObjectToClipPos(v.vertex);

            return o;
         }

         float4 frag (v2f i) : SV_Target
         {
            return float4(_OutlineColor.xyz, 1);
         }
         ENDCG
   }

   Pass
   {
         Cull Back
         //Blend Zero One

         CGPROGRAM
         #pragma vertex vert
         #pragma fragment frag
         #include "UnityCG.cginc"
         #include "Lighting.cginc"

         sampler2D _MainTex;
         float4 _MainTex_ST;
         fixed4 _Diffuse;

         struct v2f
         {
            float4 vertex : SV_POSITION;
            float2 uv: TEXCOORD0;
            fixed3 worldNormal : TEXCOORD1;
            float3 worldPos : TEXCOORD2;

         };

         v2f vert (appdata_base v)
         {
            v2f o;
            o.vertex = UnityObjectToClipPos(v.vertex);                      //转换坐标到裁剪空间
            o.worldNormal = UnityObjectToWorldNormal(v.normal);             //物体法线转世界法线
            o.worldPos = mul(unity_ObjectToWorld,v.vertex);                //顶点位置信息转世界位置信息
            o.uv = TRANSFORM_TEX(v.texcoord,_MainTex);

            return o;
         }

         fixed4 frag (v2f i) : SV_Target
         {
            fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.xyz;                   //环境光

            fixed4 albedo = tex2D(_MainTex,i.uv);

            //漫反射
            fixed3 worldLightDir = UnityWorldSpaceLightDir(i.worldPos);    //求光源方向

            float difLight = dot(worldLightDir,i.worldNormal) * 0.5 + 0.5;
            fixed3 diffuse = _LightColor0.rgb * albedo.rgb * _Diffuse.rgb * difLight;

            //fixed3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));

            //fixed3 halfDir = normalize(worldLightDir + viewDir);

            fixed3 color = diffuse + ambient ;
            return fixed4(color,1);
         }
         ENDCG
   }

}
描边效果用了两段Pass 这是正常效果但我的场景中却是红色这个效果
Outline值改为负的也不能出现带有贴图的渲染我想知道问题出在哪

Uni0330 发表于 2024-8-13 17:19:40

问题解决了 urp下得加tag

虽然不知道这行什么意思

Shiva希瓦 发表于 2024-8-14 15:04:20

{:1_235:}

拍肩大帝 发表于 2024-8-15 00:55:19

从业不识微元素，做遍项目也枉然

DeJaVu-小7 发表于 2024-8-21 10:05:29

{:1_236:}

游戏zx 发表于 2024-8-27 10:12:04

(⊙o⊙)…

可乐茶 发表于 2024-9-3 11:56:57

(⊙o⊙)…

Weidaliya 发表于 2024-10-24 00:25:59

顶个贴学习一波感谢大佬分享{:1_236:}

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描边 Outline