>= 购买二级塔时间，把所有1级塔升到2级

chenxin

2020-12-08 dae24c7b87d098e21ae7f66d998b4d607d0f8850

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namespace ActionGameFramework.Projectiles
{
    public enum BallisticFireMode
    {
        UseLaunchSpeed,
        UseLaunchAngle
    }
}