回答編集履歴

背景不透明化案を追記

2020/11/11 21:11

投稿

Bongo

スコア10807

test CHANGED Viewed

@@ -19,3 +19,563 @@
 ![図3](1baf0b339bd0ebd18ac55ba8d0170c32.png)
+##追記
+背景を下図のようなメッシュにして...
+![図4](61105740fafd1007c101582e1cb0e814.png)
+```Wavefront OBJ
+# 64 vertex positions
+v  -37.5 50 0
+v  -37.5 46.875 0
+v  37.5 46.875 0
+v  37.5 50 0
+v  41.149174 46.138271 0
+v  42.365566 49.017689 0
+v  44.129128 44.129128 0
+v  46.338837 46.338837 0
+v  46.138271 41.149174 0
+v  49.017689 42.365566 0
+v  46.875 37.5 0
+v  50 37.5 0
+v  46.875 -37.5 0
+v  50 -37.5 0
+v  46.138271 -41.149174 0
+v  49.017689 -42.365566 0
+v  44.129128 -44.129128 0
+v  46.338837 -46.338837 0
+v  41.149174 -46.138271 0
+v  42.365566 -49.017689 0
+v  37.5 -46.875 0
+v  37.5 -50 0
+v  -37.5 -46.875 0
+v  -37.5 -50 0
+v  -41.149174 -46.138271 0
+v  -42.365566 -49.017689 0
+v  -44.129128 -44.129128 0
+v  -46.338837 -46.338837 0
+v  -46.138271 -41.149174 0
+v  -49.017689 -42.365566 0
+v  -46.875 -37.5 0
+v  -50 -37.5 0
+v  -46.875 37.5 0
+v  -50 37.5 0
+v  -46.138271 41.149174 0
+v  -49.017689 42.365566 0
+v  -44.129128 44.129128 0
+v  -46.338837 46.338837 0
+v  -41.149174 46.138271 0
+v  -42.365566 49.017689 0
+v  37.5 43.75 0
+v  -37.5 43.75 0
+v  -37.5 37.5 0
+v  37.5 37.5 0
+v  43.75 -37.5 0
+v  43.75 37.5 0
+v  37.5 -37.5 0
+v  -37.5 -43.75 0
+v  37.5 -43.75 0
+v  -37.5 -37.5 0
+v  -43.75 37.5 0
+v  -43.75 -37.5 0
+v  43.258846 39.932781 0
+v  39.932781 43.258846 0
+v  41.919418 41.919418 0
+v  43.258846 -39.932781 0
+v  41.919418 -41.919418 0
+v  39.932781 -43.258846 0
+v  -43.258846 -39.932781 0
+v  -39.932781 -43.258846 0
+v  -41.919418 -41.919418 0
+v  -39.932781 43.258846 0
+v  -43.258846 39.932781 0
+v  -41.919418 41.919418 0
+# 64 UV coordinates
+vt 0.125 1 0
+vt 0.125 0.96875006 0
+vt 0.87500006 0.96875006 0
+vt 0.87500006 1 0
+vt 0.91149175 0.96138275 0
+vt 0.92365569 0.99017692 0
+vt 0.94129133 0.94129133 0
+vt 0.96338838 0.96338838 0
+vt 0.96138275 0.91149175 0
+vt 0.99017692 0.92365569 0
+vt 0.96875006 0.87500006 0
+vt 1 0.87500006 0
+vt 0.96875006 0.125 0
+vt 1 0.125 0
+vt 0.96138275 0.088508248 0
+vt 0.99017692 0.076344311 0
+vt 0.94129133 0.058708727 0
+vt 0.96338838 0.036611617 0
+vt 0.91149175 0.038617253 0
+vt 0.92365569 0.0098231435 0
+vt 0.87500006 0.03125 0
+vt 0.87500006 0 0
+vt 0.125 0.03125 0
+vt 0.125 0 0
+vt 0.088508278 0.038617253 0
+vt 0.076344334 0.0098231435 0
+vt 0.058708742 0.058708727 0
+vt 0.036611635 0.036611617 0
+vt 0.038617279 0.088508248 0
+vt 0.0098231202 0.076344311 0
+vt 0.03125 0.125 0
+vt 0 0.125 0
+vt 0.03125 0.87500006 0
+vt 0 0.87500006 0
+vt 0.038617279 0.91149175 0
+vt 0.0098231202 0.92365569 0
+vt 0.058708742 0.94129133 0
+vt 0.036611635 0.96338838 0
+vt 0.088508278 0.96138275 0
+vt 0.076344334 0.99017692 0
+vt 0.87500006 0.93750006 0
+vt 0.125 0.93750006 0
+vt 0.125 0.87500006 0
+vt 0.87500006 0.87500006 0
+vt 0.93750006 0.125 0
+vt 0.93750006 0.87500006 0
+vt 0.87500006 0.125 0
+vt 0.125 0.0625 0
+vt 0.87500006 0.0625 0
+vt 0.125 0.125 0
+vt 0.0625 0.87500006 0
+vt 0.0625 0.125 0
+vt 0.93258852 0.89932787 0
+vt 0.89932787 0.93258852 0
+vt 0.91919428 0.91919428 0
+vt 0.93258852 0.10067219 0
+vt 0.91919428 0.080805838 0
+vt 0.89932787 0.067411542 0
+vt 0.067411534 0.10067219 0
+vt 0.10067219 0.067411542 0
+vt 0.080805823 0.080805838 0
+vt 0.10067219 0.93258852 0
+vt 0.067411534 0.89932787 0
+vt 0.080805823 0.91919428 0
+# 1 vertex normals
+vn 0 0 1
+# Mesh 'SignBackground' with 66 faces
+g SignBackground
+f  1/1/1 2/2/1 3/3/1
+f  3/3/1 4/4/1 1/1/1
+f  4/4/1 3/3/1 5/5/1
+f  5/5/1 6/6/1 4/4/1
+f  6/6/1 5/5/1 7/7/1
+f  7/7/1 8/8/1 6/6/1
+f  8/8/1 7/7/1 9/9/1
+f  9/9/1 10/10/1 8/8/1
+f  10/10/1 9/9/1 11/11/1
+f  11/11/1 12/12/1 10/10/1
+f  12/12/1 11/11/1 13/13/1
+f  13/13/1 14/14/1 12/12/1
+f  14/14/1 13/13/1 15/15/1
+f  15/15/1 16/16/1 14/14/1
+f  16/16/1 15/15/1 17/17/1
+f  17/17/1 18/18/1 16/16/1
+f  18/18/1 17/17/1 19/19/1
+f  19/19/1 20/20/1 18/18/1
+f  20/20/1 19/19/1 21/21/1
+f  21/21/1 22/22/1 20/20/1
+f  22/22/1 21/21/1 23/23/1
+f  23/23/1 24/24/1 22/22/1
+f  24/24/1 23/23/1 25/25/1
+f  25/25/1 26/26/1 24/24/1
+f  26/26/1 25/25/1 27/27/1
+f  27/27/1 28/28/1 26/26/1
+f  28/28/1 27/27/1 29/29/1
+f  29/29/1 30/30/1 28/28/1
+f  30/30/1 29/29/1 31/31/1
+f  31/31/1 32/32/1 30/30/1
+f  32/32/1 31/31/1 33/33/1
+f  33/33/1 34/34/1 32/32/1
+f  34/34/1 33/33/1 35/35/1
+f  35/35/1 36/36/1 34/34/1
+f  36/36/1 35/35/1 37/37/1
+f  37/37/1 38/38/1 36/36/1
+f  38/38/1 37/37/1 39/39/1
+f  39/39/1 40/40/1 38/38/1
+f  40/40/1 39/39/1 2/2/1
+f  2/2/1 1/1/1 40/40/1
+f  41/41/1 42/42/1 43/43/1
+f  43/43/1 44/44/1 41/41/1
+f  45/45/1 46/46/1 44/44/1
+f  44/44/1 47/47/1 45/45/1
+f  48/48/1 49/49/1 47/47/1
+f  47/47/1 50/50/1 48/48/1
+f  51/51/1 52/52/1 50/50/1
+f  50/50/1 43/43/1 51/51/1
+f  41/41/1 44/44/1 46/46/1
+f  46/46/1 53/53/1 41/41/1
+f  54/54/1 41/41/1 53/53/1
+f  53/53/1 55/55/1 54/54/1
+f  56/56/1 45/45/1 47/47/1
+f  47/47/1 49/49/1 56/56/1
+f  57/57/1 56/56/1 49/49/1
+f  49/49/1 58/58/1 57/57/1
+f  48/48/1 50/50/1 52/52/1
+f  52/52/1 59/59/1 48/48/1
+f  60/60/1 48/48/1 59/59/1
+f  59/59/1 61/61/1 60/60/1
+f  51/51/1 43/43/1 42/42/1
+f  42/42/1 62/62/1 51/51/1
+f  63/63/1 51/51/1 62/62/1
+f  62/62/1 64/64/1 63/63/1
+f  50/50/1 47/47/1 44/44/1
+f  44/44/1 43/43/1 50/50/1
+```
+マテリアルは下記のように不透明両面描画とし...
+```ShaderLab
+Shader "Unlit/Opaque (Double Sided)"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+	}
+	SubShader
+	{
+		Tags { "Queue"="Geometry" "RenderType"="Opaque" }
+		Cull Off
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile_fog
+			#pragma multi_compile_instancing
+			#include "UnityCG.cginc"
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv : TEXCOORD0;
+				UNITY_VERTEX_INPUT_INSTANCE_ID
+			};
+			struct v2f
+			{
+				float2 uv : TEXCOORD0;
+				UNITY_FOG_COORDS(1)
+				float4 vertex : SV_POSITION;
+			};
+			sampler2D _MainTex;
+			float4 _MainTex_ST;
+			v2f vert(appdata v)
+			{
+				v2f o;
+				UNITY_SETUP_INSTANCE_ID(v);
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				UNITY_TRANSFER_FOG(o,o.vertex);
+				return o;
+			}
+			fixed4 frag(v2f i) : SV_Target
+			{
+				fixed4 col = tex2D(_MainTex, i.uv);
+				UNITY_APPLY_FOG(i.fogCoord, col);
+				return col;
+			}
+			ENDCG
+		}
+	}
+}
+```
+前面のTextMesh ProオブジェクトのZ座標は背景から0.001ずらしたところ、ちょっと確認した限りでは見た目上の不自然さはなさそうでした。
+![図5](3457b1c484a24bc60e3dc6c8cccd8fec.gif)