DTM Trail完成

Assets/Scripts/EditorGame/Grids/EditorGrid.cs

@@ -47,6 +47,11 @@ namespace Ichni.Editor
             gridMaterial = GetComponent<MeshRenderer>().material;
             // 同步网格平面的值到材质（方便 Shader 内部判断）
             gridMaterial.SetFloat("_Plane", gridPlane);
+
+            float lineWidthOf3840 = 2;
+            float screenWidth = Screen.width;
+            float lineWidth = lineWidthOf3840 * (screenWidth / 3840f);
+            gridMaterial.SetFloat("_LineWidth", lineWidth);
         }
 
         void Update()