!1981 开发优化:斜层板内缩实现

src/Add-on/RotateLayerBoard.ts

@@ -1,4 +1,4 @@
-import { Box3, MathUtils, Matrix4, Vector3 } from "three";
+import { MathUtils, Matrix4, Vector3 } from "three";
 import { app } from "../ApplicationServices/Application";
 import { CylinderHole } from "../DatabaseServices/3DSolid/CylinderHole";
 import { Board } from "../DatabaseServices/Entity/Board";
@@ -76,22 +76,27 @@ export class RotateLayerBoard implements Command
     private CurtailNails = () =>
     {
         let sizeBox = this.currentBoard.BoundingBox;
-        let size = sizeBox.getSize(new Vector3);
-        let v = new Vector3(1, 1, 1);
+        let center = sizeBox.getCenter(new Vector3);
 
-        let frontBox = new Box3(sizeBox.min.clone().sub(v), sizeBox.max.clone().sub(new Vector3(-1, size.y / 2, -1)));
-        let backBox = new Box3(sizeBox.min.clone().add(new Vector3(-1, size.y / 2, -1)), sizeBox.max.clone().add(v));
+        sizeBox.expandByScalar(1e3);
 
-        for (let i = 0; i < this.currentBoard.LayerNails.length; i++)
+        let frontBox = sizeBox.clone();
+        frontBox.max.y = center.y;
+
+        let backBox = sizeBox.clone();
+        backBox.min.y = center.y;
+
+        for (let nailId of this.currentBoard.LayerNails)
         {
-            let nail = this.currentBoard.LayerNails[i].Object as CylinderHole;
+            if (!nailId || nailId.IsErase) continue;
+            let nail = nailId.Object as CylinderHole;
             if (IntersectBox2(nail.BoundingBox, frontBox))
             {
-                nail.Position = nail.Position.add(new Vector3(0, this.data.frontDist, 0));
+                nail.Move(new Vector3(0, this.data.frontDist, 0));
             }
             else if (IntersectBox2(nail.BoundingBox, backBox))
             {
-                nail.Position = nail.Position.add(new Vector3(0, -this.data.backDist, 0));
+                nail.Move(new Vector3(0, -this.data.backDist, 0));
             }
         }
     };