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WaveCreator.java
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package tokyo.peya.lib;
/**
* 波を作成
*/
public class WaveCreator
{
private boolean flag;
private final double max;
private final double min;
private double now;
/**
* コンストラクタ
* @param now 現在の値
* @param max 最大値
* @param min 最小値
*/
public WaveCreator(double now, double max, double min)
{
this.max = max;
this.now = now;
this.min = min;
}
/**
* 取得
* @param db 変動させる値
* @param def ダミーかどうか
* @return 値
*/
public double get(double db, boolean def)
{
if (def)
return now;
if (flag)
now += db;
else
now -= db;
if (now + db > max)
{
if (flag)
flag = false;
return max;
}
else if (now - db < min)
{
if (!flag)
flag = true;
return min;
}
return now;
}
/**
* そのまま取得
* @return 値
*/
public double getStatic()
{
return now;
}
}