84 lines
3.3 KiB
C#
84 lines
3.3 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class Trail_manager : MonoBehaviour
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{
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[Header("target SkinnedMeshRenderer")]
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public GameObject game_obj_target;
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//The position of the previous target----------之前目标物体的位置
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private Vector3 v3_position_game_obj_target_before;
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[Header("how many trails-------定义多少个尾巴")]
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public int trail_count;
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[Header("The initial transparency of the tail------尾巴的初始透明度")]
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[Range(0f, 1f)]
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public float trail_alpha;
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[Header("The time between each tail, in seconds---------每个尾巴间隔的时间，单位秒")]
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public float trail_interval_time;
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[Header("The speed at which each tail disappears------每个尾巴消失的速度")]
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public float trail_disappear_speed;
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[Header("Trail Color")]
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[ColorUsageAttribute(true, true, 0f, 8f, 0.125f, 3f)]
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public Color color_trail;
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// Start is called before the first frame update
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void Start()
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{
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if (this.trail_count > 0 && this.game_obj_target != null && this.game_obj_target.activeInHierarchy == true)
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{
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//Generate trail objects--------生成trail物体
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for (int i = 0; i < this.trail_count; i++)
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{
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GameObject trail = new GameObject("trail" + i);
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trail.transform.SetParent(this.transform);
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trail.AddComponent<MeshFilter>();
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trail.AddComponent<MeshRenderer>();
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trail.GetComponent<MeshRenderer>().shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off; //no shadow
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Material mat = new Material(Shader.Find("EasyGameStudio/trail"));
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mat.SetTexture("main_texture", this.game_obj_target.GetComponent<SkinnedMeshRenderer>().material.mainTexture);
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mat.SetColor("color_fresnel_emission", this.color_trail);
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trail.GetComponent<MeshRenderer>().material = mat;
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Trail_control trail_control = trail.AddComponent<Trail_control>();
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trail.SetActive(false);
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}
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StartCoroutine(this.trail_start());
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}
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}
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//The coroutine starts to make the tail----------协程开始制作尾巴
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IEnumerator trail_start()
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{
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while (true)
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{
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for (int i = 0; i < this.trail_count; i++)
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{
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//If the position does not change, the tail will not be set--------位置没有变的话 就不设置尾巴
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if (this.v3_position_game_obj_target_before != this.game_obj_target.transform.position)
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{
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GameObject trail = this.transform.GetChild(i).gameObject;
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trail.transform.position = this.game_obj_target.transform.position;
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trail.transform.rotation = this.game_obj_target.transform.rotation;
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if (trail.activeSelf == false)
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trail.SetActive(true);
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trail.GetComponent<Trail_control>().init(this.trail_disappear_speed, this.game_obj_target.GetComponent<SkinnedMeshRenderer>(), this.trail_alpha);
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}
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this.v3_position_game_obj_target_before = this.game_obj_target.transform.position;
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yield return new WaitForSeconds(this.trail_interval_time);
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}
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}
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}
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}
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