Unity3D实现在单击鼠标位置创建物体 | Unity3D教程手册
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Unity3D实现在单击鼠标位置创建物体
如何实现单击鼠标后在单击位置创建物体的功能？
//比较实用的一段代码，单击鼠标并在单击位置创建物体的功能
var distanceFromCamera :
var go:GameO
private var X :
private var Y :
function Update(){
X = Input.mousePosition.x;
Y = Input.mousePosition.y;
if(Input.GetMouseButtonDown(0)){
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
cube.AddComponent(Rigidbody);
cube.transform.position = camera.main.ScreenToWorldPoint(Vector3(X,Y,distanceFromCamera));
//这段代码是动态载入库中物体
var distanceFromCamera :
var cube : T
private var X :
private var Y :
private var clickP:Vector3;
function Update(){
X = Input.mousePosition.x;
Y = Input.mousePosition.y;
clickP= camera.main.ScreenToWorldPoint(Vector3(X,Y,distanceFromCamera));
if(Input.GetMouseButtonDown(0)){
//此处的var不可省略，省略后虽效果不变,但似乎有其它问题 、
//static function Instantiate (original : Object, position : Vector3, rotation : Quaternion) : Object
var cube = Instantiate(cube, clickP, Quaternion.identity);
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您可能还会对这些文章感兴趣！09:53 提问
unity网格合并后位置会变
根据官网介绍的binemesh中的范例，做了个简单的网格合并的demo，但程序运行后物体的位置发生了变化，研究了好几天都没结果，这是怎么回事啊~~
官网范例如下：
using UnityE
using System.C
[RequireComponent(typeof(MeshFilter))]
[RequireComponent(typeof(MeshRenderer))]
public class ExampleClass : MonoBehaviour {
void Start() {
MeshFilter[] meshFilters = GetComponentsInChildren&MeshFilter&();
CombineInstance[] combine = new CombineInstance[meshFilters.Length];
int i = 0;
while (i & meshFilters.Length) {
combine[i].mesh = meshFilters[i].sharedM
combine[i].transform = meshFilters[i].transform.localToWorldM
meshFilters[i].gameObject.active =
transform.GetComponent&MeshFilter&().mesh = new Mesh();
transform.GetComponent&MeshFilter&().bineMeshes(combine);
transform.gameObject.active =
按赞数排序
变换矩阵的问题，要保持相对位置不变，要转换为父节点的本地坐标，
combine[i].transform = meshFilters[i].transform.localToWorldM 这句话改为
combine[i].transform = transform.worldToLocalMatrix * meshFilters[i].transform.localToWorldM
这样应该就可以了。。。。
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