本文实例为大家分享了unity实现鼠标拖住3D物体的具体代码,供大家参考,具体内容如下
把该脚本直接挂在要拖拽的物体上即可
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
using System.Collections; using System.Collections.Generic; using UnityEngine; public class ModelDrages : MonoBehaviour { / / 发射射线的摄像机 private Camera cam; / / 射线碰撞的物体 private GameObject go; / / 射线碰撞物体的名字 public static string btnName; private Vector3 screenSpace; private Vector3 offset; private bool isDrage = false; / / Use this for initialization void Start () { cam = Camera.main; } / / Update is called once per frame void Update () { / / 整体初始位置 Ray ray = cam.ScreenPointToRay( Input .mousePosition); / / 从摄像机发出到点击坐标的射线 RaycastHit hitInfo; if (isDrage = = false) { if (Physics .Raycast (ray,out hitInfo)) { / / 划出射线 只有在Scene视图中才能看到 Debug.DrawLine(ray.origin, hitInfo.point); go = hitInfo.collider.gameObject; print (btnName); screenSpace = cam.WorldToScreenPoint(go.transform.position); offset = go.transform.position - cam.ScreenToWorldPoint(new Vector3( Input .mousePosition.x, Input .mousePosition.y, Input .mousePosition.z)); / / 物体的名字 btnName = go.name; / / 组件的名字 } else { btnName = null; } } if ( Input .GetMouseButton( 0 )) { Vector3 currentScreenSpace = new Vector3( Input .mousePosition.x, Input .mousePosition.y, screenSpace.z); Vector3 currentPosition = cam.ScreenToWorldPoint(currentScreenSpace) + offset; if (btnName ! = null) { go.transform.position = currentPosition; } isDrage = true; } else { isDrage = false; } } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/WHYunique/article/details/92842304