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Question by SrCienpies · May 16, 2020 at 09:54 PM · 2drotationmovement2d game

2D Zig-zag movement and rotation

alt text

Hello, I want to create this kind of movement, but i am not sure how to do it, at the momento i am doing the zig zag movement like this exmple

  using System.Collections;
  using System.Collections.Generic;
  using UnityEngine;
 
   public class VirusMove : MonoBehaviour
   {
 
  public float speed = 2;
  float frequency = 10.0f; // Speed of sine movement
  float magnitude = 0.5f; //  Size of sine movement
 
  Vector3 pos;
  Vector3 axis;
 
  private void Awake()
  {
      pos = transform.position;
      axis = transform.up;
 
  }
 
  void Update()
  {
      pos += Vector3.left * Time.deltaTime * speed;
      transform.position = pos + axis * Mathf.Sin(Time.time * frequency) * magnitude;
  }


The zig zag movement is ok, but i can't find the solution for the rotation that i desired.

What would be a googd solution for this issue?

zigzag-movemen.png (59.3 kB)
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Answer by wewewu · May 17, 2020 at 05:59 AM

This might work for you:

     public float speed;
     public float frequency;
     public float magnitude;
     
 
     private void Update()
     {
         Vector3 pos = new Vector3(0f, Mathf.Sin((transform.position.z + Time.deltaTime) * frequency) * magnitude, transform.position.z).normalized;
         transform.LookAt(transform.position + pos);
         transform.Translate(Vector3.forward * speed * Time.deltaTime);
     }
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avatar image SrCienpies · May 18, 2020 at 11:32 PM 0
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Hello. Thanks for the answer. This is very good on 3D games but in 2D it has some problems

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