private void RenderAura()
{
if (_auraState == eAuraState.Creating)
{
_auraTime++;
float scale = (float)_auraTime / AuraCreatingDuration;
_auraTf.localScale = new Vector3(scale, scale, 1);
float zAngle = AuraCreatingDuration * 1f / 15 * _auraTime - 0.5f * _auraTime * _auraTime * 1f / 15;
_auraTf.localEulerAngles = new Vector3(0, 0, zAngle);
if (_auraTime >= AuraCreatingDuration)
{
_auraTime = 0;
_auraState = eAuraState.Normal;
}
}
else if (_auraState == eAuraState.Normal)
{
_auraTime++;
// 后一个数字t是周期，t帧为一个周期，前一个360为角度
// 通常顺序是 (_auraTime / t) * 360
float angle = _auraTime * 360f / 720;
_auraTf.localEulerAngles = new Vector3(45f * Mathf.Sin(angle * Mathf.Deg2Rad), -45f * Mathf.Sin(angle * 0.5f * Mathf.Deg2Rad), _auraTime * 0.6f);
}
else if (_auraState == eAuraState.Disappearing)
{
_auraTime++;
float scale = 1 - (float)_auraTime / AuraCreatingDuration;
_auraTf.localScale = new Vector3(scale, scale, 1);
float realTime = _auraTime + _auraDisappearTime;
float angle = realTime * 360f / 360;
_auraTf.localEulerAngles = new Vector3(-45f * Mathf.Sin(angle * Mathf.Deg2Rad), 45f * Mathf.Sin(angle * Mathf.Deg2Rad), realTime * 0.6f);
if (_auraTime >= AuraDisappearingDuration)
{
_isShowAura = false;
}
}
}
/// <summary>
/// 显示魔法阵
/// </summary>
/// <param name="isShow">显示、隐藏</param>
/// <param name="ani">是否有出现、消失动画</param>
public void ShowAura(bool isShow, bool ani)
{
if (isShow)
{
if (!ani)
{
_auraState = eAuraState.Normal;
_auraTf.localScale = Vector3.one;
_auraTime = 0;
}
else
{
_auraState = eAuraState.Creating;
_auraTime = 0;
}
_isShowAura = isShow;
}
else
{
if (!_isShowAura)
{
return;
}
if (!ani)
{
_isShowAura = false;
_auraTf.localScale = Vector3.zero;
}
else
{
_auraDisappearTime = _auraTime;
_auraTime = 0;
_auraState = eAuraState.Disappearing;
}
}
}
