优化若干代码

assets/FishSingle/script/engine/utils/Grid.ts

@@ -1,13 +1,13 @@
-import { _decorator } from 'cc'
 export default class Grid {
-	public row: number
-	public col: number
-	constructor(row: number, col) {
-		this.row = row
-		this.col = col
-	}
+  public row: number
+  public col: number
 
-	public static init(row: number, col: number) {
-		return new Grid(row, col)
-	}
+  constructor(row: number, col: number) {
+    this.row = row
+    this.col = col
+  }
+
+  public static init(row: number, col: number) {
+    return new Grid(row, col)
+  }
 }