|  |  | 
 |  |  |     let rackBoxGeometry=new THREE.BoxGeometry(this.rackLengh,shelfHeight,this.rackWidth); | 
 |  |  |     // 托板模型 + 材质 | 
 |  |  |     let planeBoxGeometry = new THREE.BoxGeometry(this.binLength, 2, this.binWidth+this.rackWidth);  // 覆盖多一根支架宽度 | 
 |  |  |     let planeRackBoxGeometry = new THREE.BoxGeometry(3, 2, this.binWidth+this.rackWidth); | 
 |  |  |  | 
 |  |  |     // Y轴定位 | 
 |  |  |     let positionY = this.positionY + shelfHeight / 2; | 
 |  |  | 
 |  |  |     // 初始化托板模型 | 
 |  |  |     for(let i = 0;i < this.binZNum;i++) { | 
 |  |  |         for (let j = 0;j <= this.binYNum;j++) { | 
 |  |  |             let clone = planeBoxGeometry.clone(); | 
 |  |  |             let positionY= this.positionY + this.bottomHight + j*this.binHeight + 1; | 
 |  |  |             let positionZ= - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); | 
 |  |  |             transform.position.set(this.positionX-this.rackLengh/2,positionY,positionZ); | 
 |  |  |             transform.updateMatrix(); | 
 |  |  |             clone.applyMatrix4(transform.matrix); | 
 |  |  |             geometries.push(clone); | 
 |  |  |             if (j !== this.binYNum) { | 
 |  |  |                 let leftClone = planeRackBoxGeometry.clone(); | 
 |  |  |                 let positionY = this.positionY + this.bottomHight + j*this.binHeight + 1; | 
 |  |  |                 let positionZ = - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); | 
 |  |  |                 transform.position.set(this.positionX - 16, positionY, positionZ); | 
 |  |  |                 transform.updateMatrix(); | 
 |  |  |                 leftClone.applyMatrix4(transform.matrix); | 
 |  |  |                 geometries.push(leftClone); | 
 |  |  |  | 
 |  |  |                 let rightClone = planeRackBoxGeometry.clone(); | 
 |  |  |                 positionY = this.positionY + this.bottomHight + j*this.binHeight + 1; | 
 |  |  |                 positionZ = - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); | 
 |  |  |                 transform.position.set(this.positionX + 13, positionY, positionZ); | 
 |  |  |                 transform.updateMatrix(); | 
 |  |  |                 rightClone.applyMatrix4(transform.matrix); | 
 |  |  |                 geometries.push(rightClone); | 
 |  |  |             } else { | 
 |  |  |                 let clone = planeBoxGeometry.clone(); | 
 |  |  |                 let positionY= this.positionY + this.bottomHight + j*this.binHeight + 1; | 
 |  |  |                 let positionZ= - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); | 
 |  |  |                 transform.position.set(this.positionX-this.rackLengh/2,positionY,positionZ); | 
 |  |  |                 transform.updateMatrix(); | 
 |  |  |                 clone.applyMatrix4(transform.matrix); | 
 |  |  |                 geometries.push(clone); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  |