我正在尝试向场景中添加一架飞机,但如果我检查儿童的场景,则不会添加任何内容.
var plane = new THREE.Mesh( new THREE.PlaneGeometry( 2000, 2000, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffff00, opacity: 0.25 } ) );
plane.visible = true;
this.scene.add( plane );
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