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  • Unity 抛物线

    public float Power = 10;//这个代表发射时的速度/力度等,可以通过此来模拟不同的力大小
    public float Angle = 45;//发射的角度,这个就不用解释了吧
    public float Gravity = -10;//这个代表重力加速度
    private Vector3 MoveSpeed;//初速度向量
    private Vector3 GritySpeed = Vector3.zero;//重力的速度向量,t时为0
    private float dTime;//已经过去的时间
    private Vector3 currentAngle;
    void Start()
    {
    //通过一个公式计算出初速度向量
    //角度*力度
    MoveSpeed = Quaternion.Euler(new Vector3(0, 0, Angle)) * Vector3.right * Power;
    currentAngle = Vector3.zero;
    }
    void FixedUpdate()
    {
    //计算物体的重力速度
    //v = at ;
    GritySpeed.y = Gravity * (dTime += Time.fixedDeltaTime);
    //位移模拟轨迹
    transform.position += (MoveSpeed + GritySpeed) * Time.fixedDeltaTime;
    currentAngle.z = Mathf.Atan((MoveSpeed.y + GritySpeed.y) / MoveSpeed.x) * Mathf.Rad2Deg;
    transform.eulerAngles = currentAngle;
    }

    载抄的  模拟物理抛物线

    自己写的基于  Unity物理引擎实现的准确度不高

     

     

     可以自动追踪目标,准确度不高

     代码

     简单物理三套

    public float speed = 1;
    void Start()
    {
    body = this.GetComponent<Rigidbody>();

    body.velocity = this.transform.forward * speed;
    print(body.velocity.magnitude);
    //body.velocity = new Vector3(50,0,0);

    }

    炮弹  设置一个初速度即可

    控制  控制脚本   炮台   目标   炮弹


    Vector3 dir = target.transform.position - rotatepos.transform.position;
    Quaternion lookRotation = Quaternion.LookRotation(dir);
    Vector3 rotation = Quaternion.Lerp(rotatepos.transform.rotation, lookRotation, 10).eulerAngles;
    rotatepos.transform.rotation = Quaternion.Euler(Zvalue, rotation.y, 0f);

    time -= Time.deltaTime;
    if (time<0)
    {
    number++;
    time = 0.25f;
    GameObject pos= Instantiate(game);
    pos.transform.position = rotatepos.transform.position;
    pos.transform.eulerAngles = rotatepos.transform.eulerAngles;
    pos.GetComponent<AAbullet>().speed = number;

    print(rotatepos.transform.eulerAngles);

    }
    }

    自己制作的 发现Unity 自带的物理,中 的重力,时间,感觉不太对,

    和公式计算的值有一定的相差

    Unity 重力自带-20

    获取物体速度

    这是45度角  产生的值

    速度      高度            距离         以大于0高度的为准  

    2     0.03685282     0.1697056
    3     0.09213205     0.3818376
    4     0.1719798     0.7353911
    5     0.2776855     1.131371
    6     0.4085281     1.697056
    7     0.5639394     2.276884
    8     0.7439191     3.054701
    9     0.9491882     3.818377
    10     1.180163     4.808325
    11     1.435706     5.755846
    12     1.715818     6.957926
    13     2.020651     8.089303
    14     2.345768     9.503513
    15     2.707434     11.03087
    16     3.087678     12.44508
    17     3.492491     14.18456
    18     3.923314     15.78263
    19     4.379122     17.73423
    20     4.859498     19.51614
    21     5.364443     21.6799
    22     5.894831     23.64563
    23     6.450769     26.02154
    24     7.031278     28.17111
    25     7.636356     30.75917
    26     8.266305     33.09257
    27     8.922377     35.89273
    28     9.60302     38.41003
    29     10.30823     41.42231
    30     11.03801     44.54773
    31     11.79394     47.34792
    32     12.57472     50.68546
    33     13.38006     53.66936
    34     14.20997     57.21901
    35     15.06547     60.38698
    36     15.94638     64.14875
    37     16.85185     67.50036
    38     17.7819     71.47422
    39     18.73696     75.00998
    40     19.718     79.19604
    41     20.72361     82.91525
    42     21.75378     87.31367
    43     22.80852     91.82477
    44     23.88958     95.82703
    45     24.99532     100.5506
    46     26.12562     104.7365
    47     27.28049     109.6723
    48     28.46111     114.0423
    49     29.66697     119.1897
    50     30.8974     123.7438
    51     32.1524     129.1039
    52     33.43258     133.841
    53     34.73858     139.4132
    54     36.06915     144.3343
    55     37.42427     150.1187
    56     38.80402     155.2243
    57     40.21014     161.2204
    58     41.64084     167.3294
    59     43.09611     172.7178
    60     44.57594     179.0392
    61     46.08167     184.6115
    62     47.61249     191.1456
    63     49.16789     196.9013
    64     50.74786     203.6463
    65     52.35316     209.5859
    66     53.98411     216.5442
    67     55.63964     222.6682
    68     57.31973     229.8383
    69     59.02459     236.1462
    70     60.75568     243.5271
    71     62.51135     251.0225
    72     64.29157     257.6132
    73     66.09636     265.3212
    74     67.92722     272.0951
    75     69.783     280.0138
    76     71.66336     286.9715
    77     73.5683     295.1042
    78     75.49871     302.2462
    79     77.45462     310.5894
    80     79.43511     317.9164
    81     81.44017     326.4704
    82     83.47015     333.9812
    83     85.5262     342.7489
    84     87.60683     350.4416
    85     89.71201     359.4234
    86     91.84177     366.0821
    87     93.99773     370.3405
    88     96.1785     373.3521
    89     98.38381     377.594
    90     100.6137     383.1112
    91     102.8692     387.3671
    92     105.1501     390.3235
    93     107.4556     394.565
    94     109.7856     400.136
    95     112.1407     404.3951
    96     114.5217     407.2928
    97     116.9273     411.5365
    98     119.3574     417.1637
    99     121.8122     421.423
    100     124.2933     424.2645

    如果 有比较好的 方法或者方式 可以留言谢谢

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  • 原文地址:https://www.cnblogs.com/suiyi78/p/13688668.html
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