回答編集履歴
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回答の追記
answer
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@@ -1,3 +1,77 @@
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Cube限定ですが、こちらのアセットはいかがでしょうか？
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[MasterCube](https://www.assetstore.unity3d.com/jp/#!/content/40033)
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[紹介サイト](http://tsubakit1.hateblo.jp/entry/2016/05/24/073000)
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[紹介サイト](http://tsubakit1.hateblo.jp/entry/2016/05/24/073000)
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追記：
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シェーダで実装することも可能です。
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何となくですが、ワールド座標とテクスチャのUV座標を対応させたタイリング用シェーダを書いてみました。
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新規マテリアルを作成し、シェーダを`Custom > TileShader`に設定してください。
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[TileScale]の値を変えるとタイルの大きさが変わります。
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```
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Shader "Custom/TileShader" {
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Properties {
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_Color ("Color", Color) = (1,1,1,1)
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_MainTex ("Albedo (RGB)", 2D) = "white" {}
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_Glossiness ("Smoothness", Range(0,1)) = 0.5
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_Metallic ("Metallic", Range(0,1)) = 0.0
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_TileScale ("TileScale", Range(0.1, 10)) = 1
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}
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SubShader {
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Tags { "RenderType"="Opaque" }
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LOD 200
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CGPROGRAM
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// Physically based Standard lighting model, and enable shadows on all light types
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#pragma surface surf Standard fullforwardshadows
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// Use shader model 3.0 target, to get nicer looking lighting
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#pragma target 3.0
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sampler2D _MainTex;
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struct Input {
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float2 uv_MainTex;
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float3 worldPos;
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float3 worldNormal;
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};
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half _Glossiness;
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half _Metallic;
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fixed4 _Color;
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half _TileScale;
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// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
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// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
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// #pragma instancing_options assumeuniformscaling
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UNITY_INSTANCING_CBUFFER_START(Props)
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// put more per-instance properties here
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UNITY_INSTANCING_CBUFFER_END
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void surf (Input IN, inout SurfaceOutputStandard o) {
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// Albedo comes from a texture tinted by color
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fixed factorX = abs(dot(IN.worldNormal, float3(1,0,0)));
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fixed factorY = abs(dot(IN.worldNormal, float3(0,1,0)));
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fixed factorZ = abs(dot(IN.worldNormal, float3(0,0,1)));
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float3 scaledWorldPos = IN.worldPos / _TileScale;
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fixed4 cx = tex2D (_MainTex, float2(scaledWorldPos.z, scaledWorldPos.y)) * factorX;
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fixed4 cy = tex2D (_MainTex, float2(scaledWorldPos.x, scaledWorldPos.z)) * factorY;
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fixed4 cz = tex2D (_MainTex, float2(scaledWorldPos.x, scaledWorldPos.y)) * factorZ;
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fixed4 c = (cx + cy + cz);
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o.Albedo = c.rgb;
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// Metallic and smoothness come from slider variables
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o.Metallic = _Metallic;
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o.Smoothness = _Glossiness;
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o.Alpha = c.a;
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}
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ENDCG
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}
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FallBack "Diffuse"
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}
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```
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