[100 unity practical skills] | make the skills or equipment follow the character and rotate continuously in the game

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Unity Little science popularization

Old rules , Let me introduce you Unity A little knowledge of popular science ：

• Unity yes real time 3D Interactive content creation and operation platform .
• Include Game development 、 The fine arts 、 Architecture 、 Automobile design 、 Movies All creators including , With the help of Unity Turn ideas into reality .
• Unity The platform provides a complete set of software solutions , Can be used to create 、 Operate and realize any real-time interactive 2D and 3D Content , Support platforms include mobile phone 、 The tablet 、PC、 Game consoles 、 Augmented reality and Virtual reality device .
• You can also simply put Unity Understood as a The game engine , It can be used for professional production game ！

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Unity Step on the pit to learn a little knowledge

Unity Make one object rotate with another object all the time （ Rotation following ）

Ideas ： At the beginning of the game, get the vector of the position gap with the player , Then update the position of the following object , Then change the position to the specified distance , Finally, get the gap vector .

because RotateAround You can only rotate around the target , You cannot control the radius of rotation , So you need to constantly update the position to control the radius of rotation .

The effect is as follows ：

The code to follow the rotation is as follows ：

using System.Collections;using System.Collections.Generic;using UnityEngine; public class Saber : MonoBehaviour {    public Transform targetPos;// Rotate center object     public float speed = 200f;// Rotation speed     public float distance;// Radius of rotation     Vector3 dir;        void Start()     {        dir = transform.position - Target.transform.position;    }     void Update() {        // Update the position of the following object         transform.position = targetPos.position + dir.normalized * distance;        // Rotate around the character         transform.RotateAround(targetPos.position, Vector3.up, speed * Time.deltaTime);        // Update direction vector         dir = transform.position - targetPos.position;    } 

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