unity圆内随机一个点

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

/// <summary>         /// 根据半径随机出园内的点         /// </summary>         /// <param name="vRadius"></param>         /// <returns></returns>         public static Vector2 GetRandomInCircle(float vRadius)         {             var randomValue = Random.Range(0f, 1f);             var r = Mathf.Sqrt(randomValue) * vRadius;             randomValue = Random.Range(0f, 1f);             var theta = 2 * Mathf.PI * randomValue;             //生成x，y坐标，             var x = r * Mathf.Cos(theta);             var y = r * Mathf.Sin(theta);             return new Vector2(x, y);         }