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Question by shakti_patra · Jun 19, 2018 at 04:03 PM · 2drigidbody2dprojectilepath

Prediction of Path For a cannon launching a gameobject

I am creating a canon that will launch the shots on different angles as guided by the user. I want to show a dotted path that will show the prediction of the path that the gameobject will follow. I want to make something like the game BBTan has. Please see below alt text

I also want it to extend and show the reflected path.

My script is as follows,

 public Rigidbody2D Cannon;
     public Transform gameobject;
     public float ShootSpeed;
     Rigidbody2D Player;
     float presscount;
 
 
     // Use this for initialization
     void Start()
     {
         presscount = 1;
 
     }
 
     // Update is called once per frame
     void Update()
     {
         if (presscount == 1)
         {
             if (Input.GetKeyUp("space"))
             {
                 Player = Instantiate(Cannon, gameobject.position, gameobject.rotation) as Rigidbody2D;
                 Player.AddForce(gameobject.up * ShootSpeed);
                 presscount = 0;
             }
         }
 
     }

Please help... thanks in advance

screenshot-20180619-2121441.png (246.5 kB)
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Answer by tormentoarmagedoom · Jun 19, 2018 at 04:09 PM

Good day.

You need to use the following tools/functions.

Component LineRenderer (To generete the line)

Angle reflection function (To calculate the reflexion of the line when reaching the border)

Take your time to read the manuals, watch some tutorials, etc... and you will lern a alot while solve the problem!

Good luck! Bye!

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avatar image shakti_patra · Jun 19, 2018 at 05:00 PM 0
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thank you buddy for the references. Can you please suggest a specific feature or option on unity which I can use to create requested visuals. If you can suggest keywords, I can look for community or youtube to find the reference videos...

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