|  |  | 
 |  |  | const House = (props) => { | 
 |  |  |   const { | 
 |  |  |     wallThickness = 2, | 
 |  |  |     wallOpacity = .6, | 
 |  |  |     width = DEBUG ? 14000 : 1400, | 
 |  |  |     length = DEBUG ? 12000 : 1200, | 
 |  |  |     height = DEBUG ? 4000 : 400, | 
 |  |  | 
 |  |  |             { depth: wallThickness }, | 
 |  |  |           ]} | 
 |  |  |         /> | 
 |  |  |         <meshPhongMaterial map={texture} metalness={1.0} reflectivity={1.5}></meshPhongMaterial> | 
 |  |  |         <meshPhongMaterial map={texture} metalness={1.0} reflectivity={1.5} transparent={true} opacity={wallOpacity}></meshPhongMaterial> | 
 |  |  |       </mesh> | 
 |  |  |       {/* 后面的路 */} | 
 |  |  |       <mesh rotation={[Math.PI / 2, 0, 0]}> | 
 |  |  | 
 |  |  |             { depth: wallThickness }, | 
 |  |  |           ]} | 
 |  |  |         /> | 
 |  |  |         <meshPhongMaterial map={texture} metalness={1.0} reflectivity={1.5}></meshPhongMaterial> | 
 |  |  |         <meshPhongMaterial map={texture} metalness={1.0} reflectivity={1.5} transparent={true} opacity={wallOpacity}></meshPhongMaterial> | 
 |  |  |       </mesh> | 
 |  |  |       {/* 前面的墙壁下面的路 */} | 
 |  |  |       <mesh rotation={[Math.PI / 2, 0, 0]}> | 
 |  |  | 
 |  |  |         receiveShadow | 
 |  |  |       > | 
 |  |  |         <extrudeGeometry args={[getBackWallShape(), { depth: wallThickness }]} /> | 
 |  |  |         <meshPhysicalMaterial map={texture} metalness={1.0} roughness={0.8}></meshPhysicalMaterial> | 
 |  |  |         <meshPhysicalMaterial map={texture} metalness={1.0} roughness={0.8} | 
 |  |  |           transparent={true} | 
 |  |  |           opacity={wallOpacity} | 
 |  |  |         ></meshPhysicalMaterial> | 
 |  |  |       </mesh> | 
 |  |  |       <mesh rotation={[Math.PI / 2, 0, 0]}> | 
 |  |  |         <LeftRoad></LeftRoad> | 
 |  |  | 
 |  |  |           color={'#0069c5'} | 
 |  |  |           metalness={1.0} | 
 |  |  |           roughness={0.8} | 
 |  |  |           transparent={true} | 
 |  |  |           opacity={wallOpacity} | 
 |  |  |         ></meshPhysicalMaterial> | 
 |  |  |       </mesh> | 
 |  |  |       {/* 顶部第二层 */} | 
 |  |  | 
 |  |  |           color={'#4895f6'} | 
 |  |  |           metalness={1.0} | 
 |  |  |           roughness={0.8} | 
 |  |  |           transparent={true} | 
 |  |  |           opacity={wallOpacity} | 
 |  |  |         ></meshPhysicalMaterial> | 
 |  |  |       </mesh> | 
 |  |  |       {/* 顶部第三层 */} | 
 |  |  | 
 |  |  |           map={roofTexture} | 
 |  |  |           metalness={1.0} | 
 |  |  |           roughness={0.8} | 
 |  |  |           transparent={true} | 
 |  |  |           opacity={wallOpacity} | 
 |  |  |         ></meshPhysicalMaterial> | 
 |  |  |       </mesh> | 
 |  |  |     </group> |