Wayback Machinekoobas.hobune.stream
May JUN Jul
Previous capture 12 Next capture
2021 2022 2023
1 capture
12 Jun 22 - 12 Jun 22
sparklines
Close Help
  • 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 /
  • Help Room /
avatar image
0
Question by abhishek7 · Nov 15, 2015 at 11:44 AM · vector3

Why is this not working?

I'm trying to detect the position of the player, and if the position is equal to a certain value, the player will teleport (to the next level). This is my code:

     public class Portal : MonoBehaviour {
 public float num1 = -4.896353;
 public float num2 = 1.298981;
 public float num3 = -17.98553;


 // Use this for initialization
 void Start () {

 
 }
 
 // Update is called once per frame
 void Update () {

     if(gameObject.transform.position==new Vector3(num1, num2, num3)){
         Application.LoadLevel(1);
     }
 
 }
     }


(My copying and pasting is bad - all the syntax/indentation is correct)

The error I receive when trying to run this code is that I cannot convert to double to float. Please help!

Comment
Add comment
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

· Add your reply
  • Sort: 
avatar image
0

Answer by Jessespike · Nov 15, 2015 at 11:53 AM

float values need to be followed by f or F

  public float num1 = -4.896353F;   // <- Notice the "F"
  public float num2 = 1.298981F;
  public float num3 = -17.98553F;

Without the f/F, the compiler will treat numeric values as doubles. Doubles are like floats, but are 2x larger and more precise.

Comment
Add comment · 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
0

Answer by DiegoSLTS · Nov 15, 2015 at 02:35 PM

You should never compare float values with a == operand, it's a really common issue and the compiler might be warning you about it if you read the console. Your code compares Vector3s, which in the end compares 3 floats value with other 3 float values.

You should compare if the values are close enough for what you want to do. Something like:

 if(Vector3.Distance(transform.position,new Vector3(num1, num2, num3)) < 0.1f) { //0.1 is just an example
      Application.LoadLevel(1);
  }

For more info on why this happens, read this: http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm

Comment
Add comment · 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

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Follow this Question

Answers Answers and Comments

33 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

Related Questions

How to add recoil to this script? 0 Answers

Calculate a points distance from a vector 3 2 Answers

Can I ignore part of a vector3 for physics reasons? 0 Answers

How do I draw a Bézier curve to have 90 degree angles ? 1 Answer

Object to walk forward, turn 180 and walk back 1 Answer


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