75 lines
2.1 KiB
C#
75 lines
2.1 KiB
C#
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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public class MB_DynamicAddDeleteExample : MonoBehaviour {
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public GameObject prefab;
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List<GameObject> objsInCombined = new List<GameObject>();
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MB3_MultiMeshBaker mbd;
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GameObject[] objs;
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float GaussianValue(){
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float x1, x2, w, y1;
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do {
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x1 = 2.0f * Random.Range(0f,1f) - 1.0f;
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x2 = 2.0f * Random.Range(0f,1f) - 1.0f;
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w = x1 * x1 + x2 * x2;
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} while ( w >= 1.0f );
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w = Mathf.Sqrt( (-2.0f * Mathf.Log( w ) ) / w );
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y1 = x1 * w;
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return y1;
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}
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void Start(){
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mbd = GetComponentInChildren<MB3_MultiMeshBaker>();
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// instantiate game objects
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int dim = 10;
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GameObject[] gos = new GameObject[dim * dim];
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for (int i = 0; i < dim; i++){
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for (int j = 0; j < dim; j++){
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GameObject go = (GameObject) Instantiate(prefab);
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gos[i*dim + j] = go.GetComponentInChildren<MeshRenderer>().gameObject;
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float randx = Random.Range(-4f,4f);
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float randz = Random.Range(-4f,4f);
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go.transform.position = (new Vector3(3f*i + randx, 0, 3f * j + randz));
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float randrot = Random.Range (0,360);
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go.transform.rotation = Quaternion.Euler(0,randrot,0);
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Vector3 randscale = Vector3.one + Vector3.one * GaussianValue() * .15f;
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go.transform.localScale = randscale;
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//put every third object in a list so we can add and delete it later
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if ((i*dim + j) % 3 == 0){
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objsInCombined.Add(gos[i*dim + j]);
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}
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}
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}
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//add objects to combined mesh
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mbd.AddDeleteGameObjects(gos, null, true);
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mbd.Apply();
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objs = objsInCombined.ToArray();
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//start routine which will periodically add and delete objects
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StartCoroutine(largeNumber());
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}
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IEnumerator largeNumber() {
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while(true){
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yield return new WaitForSeconds(1.5f);
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//Delete every third object
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mbd.AddDeleteGameObjects(null, objs, true);
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mbd.Apply();
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yield return new WaitForSeconds(1.5f);
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//Add objects back
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mbd.AddDeleteGameObjects(objs, null, true);
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mbd.Apply();
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}
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}
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void OnGUI(){
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GUILayout.Label ("Dynamically instantiates game objects. \nRepeatedly adds and removes some of them\n from the combined mesh.");
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}
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}
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