//注視点を中心にカメラを円形に移動させる
private void rotatePosition()
{
// 現在の位置が[0, aroundTime]の何分目の位置にいるか求める
var rate = (aroundTime - (count % aroundTime)) / (float)aroundTime;
// 求めたrate = [0, 1]をいるべき位置のラジアン[0, 2π]に変換する
var radian = MyUtility.Interpolate(0f, 2f * Mathf.PI, rate);
// 座標を更新する
var currentPosition = transform.position;
currentPosition = new Vector3(Mathf.Cos(radian) * distance, currentPosition.y, Mathf.Sin(radian) * distance);
transform.position = currentPosition;
}
// 敵の残り数から生成間隔を更新する
private void updateCurrentIntervalTime()
{
var rate = (maxRemainedEnemy - currentRemainedEnemy) / (float)maxRemainedEnemy;
var reverseRate = 1f - rate;
currentIntervalTime = MyUtility.Interpolate(minIntervalTime, maxIntervalTime, reverseRate);
}