addARObjectAt.js

function addARObjectAt(matrix) {
  let newFlower = arObject.clone();
  newFlower.visible = true;
  newFlower.matrix = matrix;
  scene.addNode(newFlower);  //sceneに仮想オブジェクトnewFlowerを追加
  flowers.push(newFlower);
  if (flowers.length > MAX_FLOWERS) {
    let oldFlower = flowers.shift();
    scene.removeNode(oldFlower);
  }
}