//=================================================================================
//反映
//=================================================================================
/// <summary>
/// 前後の情報から現在の状態を計算し、調整する
/// </summary>
public static void AdjustTransform(SpriteRenderer spriteRenderer, DynamicAfterImageEffect2DInfo beforeInfo, DynamicAfterImageEffect2DInfo aftereInfo, bool ignoreTimeScale)
{
//現在の時を取得し、前後の情報の時間との差を計算
float currentTime = ignoreTimeScale ? Time.unscaledTime : Time.time;
float befonInfoTimeDiff = currentTime - beforeInfo.GenerationTime, afterInfoTimeDiff = currentTime - aftereInfo.GenerationTime;
float totalTimeDiff = befonInfoTimeDiff + afterInfoTimeDiff;
//前後の情報とも今と同じ時間なら表示しない
if (totalTimeDiff <= 0)
{
spriteRenderer.enabled = false;
return;
}
//前後の情報が今の時間とどれだけ近いのかを割合で計算
float beforeInfoRate = befonInfoTimeDiff / totalTimeDiff, afterInfoRate = afterInfoTimeDiff / totalTimeDiff;
//前後近い方の画像を表示する
if (beforeInfoRate > afterInfoRate)
{
beforeInfo.ApplySprite(spriteRenderer);
}
else
{
aftereInfo.ApplySprite(spriteRenderer);
}
//前後の情報とその割合から現在の状態を調整する
spriteRenderer.transform.position = beforeInfo.Position * beforeInfoRate + aftereInfo.Position * afterInfoRate;
spriteRenderer.transform.localScale = beforeInfo.LocalScale * beforeInfoRate + aftereInfo.LocalScale * afterInfoRate;
spriteRenderer.transform.rotation = Quaternion.Euler(beforeInfo.Rotation * beforeInfoRate + aftereInfo.Rotation * afterInfoRate);
}
/// <summary>
/// 残像を生成するための情報を初期化する
/// </summary>
public void InitInfo(DynamicAfterImageEffect2DInfo initialInfo)
{
_infoList.Clear();
_infoList.Add(initialInfo);
initialInfo.ApplySprite(_spriteRenderer);
initialInfo.ApplyTransform(transform);
}