• Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
Question by Thaldin · Dec 29, 2017 at 01:25 PM · 2d2d game2d-physics

2D Trajectory Curve,Display trajectory while dragging

Hey there folks,

I hoped someone could help me with my problem. I want to display a trajectory curve using a calculated vector2 value. I'm going to transfer this to mobile input but for now I'm using mouse input. If you click the following script will store the point in space of the player and creates a second transform position while the mouse pointer is down. My goal is to draw a trajectory where the player will land. I've already used the search function but i couldn't find anything that fits. PlayerController script see below:

     public Rigidbody rb;
     public bool point = false;
     public bool pointdown = false;
     public bool pointup = false;
     public float speedset;
 
     Vector3 pointdownvec;
     Vector3 pointcurrvec;
 
     void Start ()
     {
         rb = GetComponent<Rigidbody>();
     }
     
     void Update()
     {
      
     }
 
     
     void FixedUpdate ()
     {
         point = Input.GetButton("Fire1");
         PointerDown();
         pointdown = Input.GetMouseButtonDown(0);
         Drag();
         pointup = Input.GetMouseButtonUp(0);
         PointerUp();
     }
 
     public void PointerUp ()
     {
         //add.velocity, Pointer ID 0
         if (pointup)
         {
             rb.velocity = Drag() / -speedset;
         }        
     }
 
     public void PointerDown ()
     {
         //Kurve Laden; Pointer ID 2
         if (point)
         {
             pointdownvec = Input.mousePosition;
         }
     }
 
     public Vector2 Drag()
     {
         //Kurve
         if (pointdown)
         {
             pointcurrvec = Input.mousePosition;
         }
 
         Vector2 velovec = pointdownvec - pointcurrvec;
         Debug.Log(velovec);
         return velovec;        
     }
 
     void OnTriggerEnter(Collider other) //restarting game if fall off
     {
         if (other.CompareTag("Respawn"))
         SceneManager.LoadScene(SceneManager.GetActiveScene().name);
     }
 }

Comment

People who like this

0 Show 0
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

2 Replies

  • Sort: 
avatar image
Best Answer

Answer by MattG54321 · Dec 29, 2017 at 03:28 PM

Try Unity's wiki page on Trajectory Simulation, or this YouTube tutorial.

Comment

People who like this

0 Show 1 · Share
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users
avatar image Thaldin · Dec 29, 2017 at 11:16 PM 1
Share

It wasn't that easy but with this YouTube tutorial I could solve it. Thank you very much!

avatar image

Answer by faraza158 · May 20, 2020 at 07:33 PM

Try this tutorial on 2d trajectory helped me alot! Link

Comment

People who like this

0 Show 0 · Share
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

Unity Answers is in Read-Only mode

Unity Answers content will be migrated to a new Community platform and we are aiming to launch a public beta by June 9. Please note, Unity Answers is now in read-only so we can prepare for the final data migration.

For more information and updates, please read our full announcement thread in the Unity Forum.

Follow this Question

Answers Answers and Comments

143 People are following this question.

avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

2D collision matrix does not work in unity 2020 4 Answers

When 2D Car Turns Upside Down, Game Over Scene Should appear. 1 Answer

slide object when i let go of mouse 2dgame 0 Answers

,Start and Game over 1 Answer

Why Is there A slight jitteryness on player movement and camera? 0 Answers


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges