유니티 셋팅

Assets/MeshBaker/Resources/Shaders/UnlitWithAlpha.shader

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+//
+// Used by Texture packer fast. It ignores fog and renders the alpha channel of source textures.
+
+Shader "MeshBaker/Unlit/UnlitWithAlpha" {
+Properties {
+    _MainTex ("Base (RGBA)", 2D) = "white" {}
+    [Toggle(_SWIZZLE_NORMAL_CHANNELS_NM)] _SwizzleNormalMapChannelsNM("_SwizzleNormalMapChannelsNM", Float) = 0
+}
+
+SubShader {
+    Tags { "RenderType"="Opaque" }
+    LOD 100
+
+    Pass {
+        CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 2.0
+            #pragma multi_compile_fog
+            #pragma shader_feature _SWIZZLE_NORMAL_CHANNELS_NM
+
+            #include "UnityCG.cginc"
+
+            struct appdata_t {
+                float4 vertex : POSITION;
+                float2 texcoord : TEXCOORD0;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct v2f {
+                float4 vertex : SV_POSITION;
+                float2 texcoord : TEXCOORD0;
+                UNITY_VERTEX_OUTPUT_STEREO
+            };
+
+            sampler2D _MainTex;
+            float4 _MainTex_ST;
+
+            v2f vert (appdata_t v)
+            {
+                v2f o;
+                UNITY_SETUP_INSTANCE_ID(v);
+                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                float4 col = tex2D(_MainTex, i.texcoord);
+                
+#ifdef _SWIZZLE_NORMAL_CHANNELS_NM
+                float3 normal = UnpackNormal(tex2D(_MainTex, i.texcoord));
+                float3 packedNormal = saturate(normalize(normal) * .5 + .5);
+                col = float4(packedNormal, 1);
+#endif
+                return col;
+            }
+        ENDCG
+    }
+}
+
+}