/// <summary>
/// 椭圆运动 2D
/// VecA与VecB垂直
/// a和b相等，2D就是一个圆，3D就是一个球
/// </summary>
/// <param name="centerPos">中心点</param>
/// <param name="a">向量A长度 x轴</param>
/// <param name="b">向量B长度 y轴</param>
/// <param name="t"></param>
/// <returns>ActionInterval</returns>
public static ActionInterval CCEllipse2D(this Transform obj, float duration, Vector2 centerPos, float a, float b, float startp = 0, float endp = 1, bool relativeWorld = false)
{
return(obj.CCEllipse(duration, centerPos, new Vector3(1, 0, 0), new Vector3(0, 1, 0), a, b, startp, endp, relativeWorld));
}
