//* ────────────-＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿*
//* constructor & destructor ───────────────────────*
//* -----------------------------------------------------------------------*
/// <summary>静的なコンストラクタ。</summary>
/// <remarks>ここで加速度グラフ情報を作成します。</remarks>
static CBall()
{
List <float> graph = new List <float>();
float fPrevSpeed = 0f;
for (SPhase phase = SPhase.initialized; phase < 3; phase.count++)
{
int nPCount = phase.countPhase;
int nPLimit = accelerateTime[phase];
float fSpeed = MAX_SPEED;
switch (phase)
{
case 0:
fSpeed = CInterpolate.lerpClampInOutQuad(0, MAX_SPEED, nPCount, nPLimit);
break;
case 2:
fSpeed = CInterpolate.lerpClampInQuad(MAX_SPEED, 0, nPCount, nPLimit);
break;
}
graph.Add(fSpeed);
fPrevSpeed = fSpeed;
phase.reserveNextPhase = nPCount >= nPLimit;
}
speedGraph = graph.AsReadOnly();
enemy = new CBall();
player = new CBall();
}
//* -----------------------------------------------------------------------*
/// <summary>加速変化する内分カウンタです。</summary>
///
/// <param name="start"><paramref name="now"/>が0と等しい場合の値</param>
/// <param name="end">
/// <paramref name="now"/>が<paramref name="limit"/>と等しい場合の値
/// </param>
/// <param name="now">現在時間</param>
/// <param name="limit"><paramref name="end"/>に到達する時間</param>
/// <returns>
/// 0から<paramref name="limit"/>までの<paramref name="now"/>に相当する
/// <paramref name="start"/>から<paramref name="end"/>までの値
/// </returns>
private byte interpolate(float start, float end, float now, float limit)
{
float result = CInterpolate.lerpClampInQuad(start, end, now, limit);
return((byte)((int)(result / 16) * 16));
}
