using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using EzySlice;
public class SlicerManager : MonoBehaviour
{
//public GameObject source;
public Transform T;
public Vector3 t1, t2;
public LayerMask drawLayer;
public LayerMask objLayer;
public List<GameObject> sources = new List<GameObject>(); //正在切割的物体集合
public List<GameObject> allObj = new List<GameObject>(); //所有被切割物体集合
public Material crossMat;
public Vector3 originPos;
public Quaternion originRot;
public GameObject sphere;
public bool isSlice; //根据这个值来执行切割/组合
private void Awake()
{
originPos = sphere.transform.position; //初始化原始网格初始位置，combine时需用到
originRot = sphere.transform.rotation;
}
private void Update()
{
if (isSlice) SlicePrep();
else Combine();
}
/// <summary>
/// 定义需要切割的网格，及网格切割位置
/// </summary>
private void SlicePrep()
{
if (Input.GetMouseButtonDown(0))
{
RaycastHit hit;
if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, 1000, drawLayer))
{
// t1 = hit.point;
}
}
if (Input.GetMouseButton(0))
{
RaycastHit hit;
if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, 1000,objLayer))
{
if (hit.collider.CompareTag("Slicer"))
{
if (!sources.Contains(hit.collider.gameObject))
{
t1 = hit.point;
sources.Add(hit.collider.gameObject);
}
t2 = hit.point;
}
else if(sources.Count > 0)
{
Slice();
}
}
else if (sources.Count > 0)
{
Slice();
}
}
if (Input.GetMouseButtonUp(0))
{
RaycastHit hit;
if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, 1000, drawLayer))
{
// t2 = hit.point;
}
Slice();
}
}
/// <summary>
/// 切割网格
/// </summary>
private void Slice()
{
foreach (var source in sources)
{
T.position = (t1 + t2) / 2;
T.right = t2 - t1;
SlicedHull hull = source.Slice(T.position,T.up);
if (hull != null)
{
GameObject u = hull.CreateUpperHull(source, crossMat);
GameObject l = hull.CreateLowerHull(source, crossMat);
u.AddComponent<Rigidbody>();
l.AddComponent<Rigidbody>();
u.AddComponent<MeshCollider>().convex = true;
l.AddComponent<MeshCollider>().convex = true;
u.tag = "Slicer";
l.tag = "Slicer";
u.layer = LayerMask.NameToLayer("SliceObj");
l.layer = LayerMask.NameToLayer("SliceObj"); ;
u.GetComponent<Rigidbody>().AddForce(Vector3.up * 400);
u.transform.parent = transform;
l.transform.parent = transform;
// source.SetActive(false);
Destroy(source);
if (allObj.Contains(source))
{
allObj.Remove(source);
}
allObj.Add(u);
allObj.Add(l);
}
}
sources.Clear(); //每次切割完后清楚当前需切割网格List
}
/// <summary>
/// 网格组合
/// </summary>
private void Combine()
{
foreach (var item in allObj)
{
if (Vector3.Distance(item.transform.position, originPos) > 0.02f)
{
item.transform.position = Vector3.Lerp(item.transform.position,originPos,0.02f);
}
if (!Quaternion.Equals(item.transform.rotation,originRot))
{
item.transform.rotation = Quaternion.Lerp(item.transform.rotation, originRot, 0.02f);
}
}
}
}
