复杂模型计算时间过长

index.html

@@ -37,15 +37,33 @@
     //);
     //scene.add(螺丝帽模型);
 
+    setTimeout(() => {
         // 添加育苗盘
+        console.log('添加育苗盘');
         const 育苗盘模型 = new THREE.Mesh(
             new 方形育苗盘(),
             new THREE.MeshStandardMaterial({ color: 0x0000ff, roughness: 0.5, metalness: 0.8 })
         );
         // 旋转育苗盘
+        console.log('旋转育苗盘');
         育苗盘模型.rotation.x += 1.57;
         育苗盘模型.rotation.y += 0;
         scene.add(育苗盘模型);
+    }, 1000);
+
+    //new Promise((resolve) => {
+    //    // 添加育苗盘
+    //    const 育苗盘模型 = new THREE.Mesh(
+    //        new 方形育苗盘(),
+    //        new THREE.MeshStandardMaterial({ color: 0x0000ff, roughness: 0.5, metalness: 0.8 })
+    //    );
+    //    // 旋转育苗盘
+    //    育苗盘模型.rotation.x += 1.57;
+    //    育苗盘模型.rotation.y += 0;
+    //    scene.add(育苗盘模型);
+    //    resolve();
+    //});
+
 
     // 添加光源
     scene.add(new THREE.AmbientLight(0x404040, 1)); // 环境光，柔和的白光

objects/育苗盘.js

@@ -2,7 +2,7 @@ import * as THREE from 'three';
 import { SUBTRACTION, ADDITION, Brush, Evaluator } from 'three-bvh-csg';
 
 export class 方形育苗盘 extends THREE.BufferGeometry {
-    constructor(width = 0.6, depth = 0.4, height = 0.01, holeDiameter = 0.02, holeRadius = .1, holeRows = 20, holeCols = 12, rowSpacing = .01, colSpacing = .01) {
+    constructor(width = 0.9, depth = 0.4, height = 0.01, holeDiameter = 0.02, holeRadius = .1, holeRows = 24, holeCols = 12, rowSpacing = .005, colSpacing = .005) {
         super();
 
         this.parameters = {