{"id":299625,"date":"2020-03-03T21:00:10","date_gmt":"2020-03-03T21:00:10","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=299625"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=299625","title":{"rendered":"Unity ball trajectory 2d \u0434\u043b\u044f \u043d\u043e\u0432\u0438\u0447\u043a\u043e\u0432"},"content":{"rendered":"\n
\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442. \u042d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044e \u043f\u0440\u0435\u0434\u0443\u0433\u0430\u0434\u044b\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u0435\u043a\u0442\u043e\u0440\u0438\u0438 \u043c\u044f\u0447\u0430 \u0432 Unity. \u0412\u0435\u0440\u0441\u0438\u044f Unity 2019.0.6f
<\/a>
\u0414\u043b\u044f \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 \u043b\u0438\u043d\u0438\u0438 \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c LineRenderer.<\/p>\n

\u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043c LineRenderer:<\/p>\n

<\/p>\n

\u0427\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c:<\/p>\n

    \n
  1. \u0422\u043e\u043b\u0449\u0438\u043d\u0430 \u043b\u0438\u043d\u0438\u0438<\/li>\n
  2. \u0426\u0432\u0435\u0442 \u043b\u0438\u043d\u0438\u0438<\/li>\n
  3. \u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b<\/li>\n<\/ol>\n

    \u0414\u043b\u044f \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 LineRenderer \u0432 2D \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0441 \u00abSprite\/Default\u00bb \u0448\u044d\u0439\u0434\u0435\u0440\u043e\u043c:<\/p>\n

    <\/p>\n

    \u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u0441\u043a\u0440\u0438\u043f\u0442 BallTrajectory \u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0435 \u043f\u043e\u043b\u044f.<\/p>\n

    \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u0435\u0439<\/b><\/p>\n
    \n

    public<\/font> class<\/font> TrajectoryRenderer :<\/font> MonoBehaviour
    {<\/font>
          [<\/font>SerializeField]<\/font> LineRenderer lineRenderer;<\/font> \/\/\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 LineRenderer<\/font>
          [<\/font>SerializeField]<\/font> int<\/font> lineCount;<\/font> \/\/\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043b\u0438\u043d\u0438\u0439, \u0447\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0435, \u0442\u0435\u043c \u0431\u043e\u043b\u0435\u0435 \u0433\u043b\u0430\u0434\u043a\u0430\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c\u0441\u044f \u043b\u0438\u043d\u0438\u044f<\/font>
          [<\/font>SerializeField]<\/font> float<\/font> lineLenght;<\/font> \/\/\u0414\u043b\u0438\u043d\u043d\u0430 \u043b\u0438\u043d\u0438\u0438<\/font>
          [<\/font>SerializeField]<\/font> Ball ball;<\/font> \/\/\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043a\u043b\u0430\u0441\u0441 \u043c\u044f\u0447\u0430<\/font>
    }<\/font><\/p><\/blockquote>\n

    <\/div>\n<\/div>\n

    \u041d\u0430 \u0441\u0442\u0430\u0440\u0442\u0435 \u0437\u0430\u0434\u0430\u0434\u0438\u043c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0442\u043e\u0447\u0435\u043a \u0434\u043b\u044f LineRenderer.<\/p>\n

    private<\/font> void<\/font> Start(<\/font>)<\/font>
    {<\/font>
          lineRenderer.<\/font>positionCount<\/font> =<\/font> lineCount;<\/font>
    }<\/font><\/p><\/blockquote>\n

    \u0412 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u043c \u0431\u0443\u0434\u0435\u043c \u043f\u0438\u0441\u0430\u0442\u044c \u043a\u043e\u0434 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 Update.<\/p>\n

    \u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u043d\u0443\u0436\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u043c\u044b\u0448\u0438 \u0432 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u043a\u0430\u0434\u0440\u0435 \u0432 \u043c\u0438\u0440\u043e\u0432\u044b\u0445 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u0430\u0445, \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0431\u0443\u0434\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 ScreenToWorldPoint \u043a\u043b\u0430\u0441\u0441\u0430 \u043a\u0430\u043c\u0435\u0440\u0430.<\/p>\n

    Vector2 mousePos =<\/font> Camera.<\/font>main<\/font>.<\/font>ScreenToWorldPoint<\/font>(<\/font>Input.<\/font>mousePosition<\/font>)<\/font>;<\/font><\/p><\/blockquote>\n

    \u041f\u043e\u0441\u043b\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043d\u0430\u0439\u0442\u0438 \u0432\u0435\u043a\u0442\u043e\u0440-\u043d\u043e\u0440\u043c\u0430\u043b\u044c, \u0438\u0441\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u0438\u0437 \u0446\u0435\u043d\u0442\u0440\u0430 \u043c\u044f\u0447\u0430, \u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u043a \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u043c\u044b\u0448\u0438. <\/p>\n

    Vector2 direction =<\/font> mousePos —<\/font> (<\/font>Vector2)<\/font>transform.<\/font>position<\/font>;<\/font>
    direction.<\/font>Normalize<\/font>(<\/font>)<\/font>;<\/font><\/p><\/blockquote>\n

    \u0414\u0430\u043b\u044c\u0448\u0435 \u043d\u0443\u0436\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0443\u044e \u0438 \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0443\u044e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u043c\u044f\u0447\u0430. <\/p>\n

    \u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u043a\u043b\u0430\u0441\u0441 \u043c\u044f\u0447\u0430. \u0412 \u043d\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043c \u0435\u0433\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c, \u0438 \u043f\u043e \u043e\u0442\u0436\u0430\u0442\u0438\u044e \u043f\u0440\u0430\u0432\u043e\u0439 \u043a\u043d\u043e\u043f\u043a\u0438 \u043c\u044b\u0448\u0438 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043c\u044f\u0447 \u0432 \u0441\u0442\u043e\u0440\u043e\u043d\u0443 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u043c\u044b\u0448\u0438 \u0441 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e.<\/p>\n

    \u0421\u043a\u0440\u0438\u043f\u0442 \u043c\u044f\u0447\u0430<\/b><\/p>\n
    \n

    public<\/font> class<\/font> Ball :<\/font> MonoBehaviour
    {<\/font>
        Rigidbody2D rb;<\/font>
        [<\/font>SerializeField]<\/font> float<\/font> velocityScaler;<\/font>
        public<\/font> float<\/font> velocity;<\/font>
     
        Vector2 mousePos;<\/font>
     
        private<\/font> void<\/font> Start(<\/font>)<\/font>
        {<\/font>
            rb =<\/font> GetComponent<<\/font>Rigidbody2D><\/font>(<\/font>)<\/font>;<\/font>
        }<\/font>
     
        private<\/font> void<\/font> Update(<\/font>)<\/font>
        {<\/font>
            mousePos =<\/font> Camera.<\/font>main<\/font>.<\/font>ScreenToWorldPoint<\/font>(<\/font>Input.<\/font>mousePosition<\/font>)<\/font>;<\/font>
            velocity =<\/font> Vector2.<\/font>Distance<\/font>(<\/font>transform.<\/font>position<\/font>, mousePos)<\/font> *<\/font> velocityScaler;<\/font>
     
            if<\/font> (<\/font>Input.<\/font>GetMouseButtonUp<\/font>(<\/font>0<\/font>)<\/font>)<\/font>
            {<\/font>
                Vector2 direction =<\/font> (<\/font>mousePos —<\/font> (<\/font>Vector2)<\/font>rb.<\/font>transform<\/font>.<\/font>position<\/font>)<\/font>;<\/font>
                direction.<\/font>Normalize<\/font>(<\/font>)<\/font>;<\/font>
                rb.<\/font>velocity<\/font> =<\/font> direction *<\/font> velocity;<\/font>
            }<\/font>
        }<\/font>
    }<\/font><\/p><\/blockquote>\n

    <\/div>\n<\/div>\n

    <\/p>\n

    \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0435\u0439 \u043c\u044f\u0447\u0430<\/b><\/p>\n
    \n

    var<\/font> vx =<\/font> ball.<\/font>velocity<\/font> *<\/font> direction.<\/font>x<\/font>;<\/font>
    var<\/font> vy =<\/font> ball.<\/font>velocity<\/font> *<\/font> direction.<\/font>y<\/font>;<\/font><\/p><\/blockquote>\n

    <\/div>\n<\/div>\n

    \u0418 \u0432 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u043e\u0439\u0442\u0438\u0441\u044c \u043f\u043e \u0432\u0441\u0435\u043c \u0442\u043e\u0447\u043a\u0430\u043c \u043d\u0430\u0448\u0435\u0433\u043e LineRenderer \u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0438\u0445 \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u043c\u0438.<\/p>\n

    \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0437\u0438\u0446\u0438\u0439 \u0442\u043e\u0447\u0435\u043a<\/b><\/p>\n
    \n

    for<\/font> (<\/font>int<\/font> i =<\/font> 0<\/font>;<\/font> i <<\/font> lineCount;<\/font> i++<\/font>)<\/font>
    {<\/font>
          float<\/font> t =<\/font> i *<\/font> lineLenght;<\/font>
          var<\/font> nextPos =<\/font> new<\/font> Vector2(<\/font>vx *<\/font> t, vy *<\/font> t —<\/font> (<\/font>—<\/font>Physics2D.<\/font>gravity<\/font>.<\/font>y<\/font> *<\/font> t*<\/font>t)<\/font> \/<\/font> 2<\/font>)<\/font>;<\/font>
          lineRenderer.<\/font>SetPosition<\/font>(<\/font>i, (<\/font>Vector2)<\/font>transform.<\/font>position<\/font> +<\/font> nextPos)<\/font>;<\/font>
    }<\/font><\/p><\/blockquote>\n

    <\/div>\n<\/div>\n

    \u041f\u043e\u043b\u043d\u044b\u0439 \u043a\u043e\u0434 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c <\/p>\n

    \u0437\u0434\u0435\u0441\u044c<\/b><\/p>\n
    \n

    public<\/font> class<\/font> BallTrajectory :<\/font> MonoBehaviour
    {<\/font>
          [<\/font>SerializeField]<\/font> LineRenderer lineRenderer;<\/font>
          [<\/font>SerializeField]<\/font> int<\/font> lineCount;<\/font>
          [<\/font>SerializeField]<\/font> float<\/font> lineLenght;<\/font>
          Ball ball;<\/font>
     
          private<\/font> void<\/font> Start(<\/font>)<\/font>
          {<\/font>
                ball =<\/font> GetComponent<<\/font>BallController><\/font>(<\/font>)<\/font>;<\/font>
                lineRenderer.<\/font>positionCount<\/font> =<\/font> lineCount;<\/font>
          }<\/font>
     
          private<\/font> void<\/font> Update(<\/font>)<\/font>
          {<\/font>
                Vector2 mousePos =<\/font> Camera.<\/font>main<\/font>.<\/font>ScreenToWorldPoint<\/font>(<\/font>Input.<\/font>mousePosition<\/font>)<\/font>;<\/font>
                Vector2 direction =<\/font> mousePos —<\/font> (<\/font>Vector2)<\/font>transform.<\/font>position<\/font>;<\/font>
                direction.<\/font>Normalize<\/font>(<\/font>)<\/font>;<\/font>
     
                var<\/font> vx =<\/font> ball.<\/font>velocity<\/font> *<\/font> direction.<\/font>x<\/font>;<\/font>
                var<\/font> vy =<\/font> ball.<\/font>velocity<\/font> *<\/font> direction.<\/font>y<\/font>;<\/font>
     
                for<\/font> (<\/font>int<\/font> i =<\/font> 0<\/font>;<\/font> i <<\/font> lineCount;<\/font> i++<\/font>)<\/font>
                {<\/font>
                      float<\/font> t =<\/font> i *<\/font> 0.<\/font>1f;<\/font>
                      var<\/font> nextPos =<\/font> new<\/font> Vector2(<\/font>vx *<\/font> t, vy *<\/font> t —<\/font> (<\/font>—<\/font>Physics2D.<\/font>gravity<\/font>.<\/font>y<\/font> *<\/font> t*<\/font>t)<\/font> \/<\/font> 2<\/font>)<\/font>;<\/font>
                      lineRenderer.<\/font>SetPosition<\/font>(<\/font>i, (<\/font>Vector2)<\/font>transform.<\/font>position<\/font> +<\/font> nextPos)<\/font>;<\/font>
                }<\/font>
          }<\/font>
     
    }<\/font><\/p><\/blockquote>\n

    <\/div>\n<\/div>\n

    <\/p>\n

    \u0421\u043a\u0440\u0438\u043d\u0448\u043e\u0442\u044b<\/b><\/p>\n

    <\/div>\n<\/div>\n

    \u0417\u0430 \u0441\u043f\u0440\u0430\u0439\u0442\u044b \u0441\u043a\u0430\u0436\u0435\u043c \u0441\u043f\u0430\u0441\u0438\u0431\u043e looneybits<\/a>.<\/div>\n

    \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 https:\/\/habr.com\/ru\/post\/490926\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n

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