資源簡介
使用Unity3D來進(jìn)行凹多邊形三角網(wǎng)剖分的代碼,我在代碼中使用了Vector3這個類,因此代碼并不能脫離Unity3D框架來使用,當(dāng)然作為參考可以。
這個例子對中國區(qū)域進(jìn)行渲染,附贈了中國的邊界數(shù)據(jù)。
工程名字和注釋瞎寫的,姑且一看吧。我把整個工程直接壓縮后打包了。
對這個資源的詳細(xì)說明,見博客
https://blog.csdn.net/kongxinyue/article/details/91128766
代碼片段和文件信息
using?System.Collections;
using?System.Collections.Generic;
using?UnityEngine;
public?class?DrawRect
{
????MeshFilter?meshfilter;
????private?MeshRenderer?meshrenderer;
????Gameobject?go;
????Color?meshColor?=?Color.red;
????public?void?SetMeshRenderColor(Color?color)
????{
????????meshColor?=?color;
????}
????void?CreateMesh()
????{
????????meshfilter?=?go.GetComponent();
????????if(meshfilter?==?null)
????????????meshfilter?=?go.AddComponent();
????????meshrenderer?=?go.GetComponent();
????????if(meshrenderer?==?null)
????????????meshrenderer?=?go.AddComponent();
????????if?(meshfilter.mesh?!=?null)
????????{
????????????Mesh?mesh?=?new?Mesh();
????????????meshfilter.mesh?=?mesh;
????????}
????????meshrenderer.material.color?=?new?Color(meshColor.r?meshColor.g?meshColor.b?meshColor.a);//修改時(shí)間?2019/3/12
????????meshrenderer.material.shader?=?Shader.Find(“Transparent/Diffuse“);
????}
???public?void?SetGameobject(Gameobject?_go)
????{
????????go?=?_go;
????????CreateMesh();
????}
????public?void?setDataSource(List?data)
????{
????????List?data3?=?new?List();
????????foreach?(Vector2?d?in?data)
????????????data3.Add(new?Vector3(d.x?d.y?-1));
????????setDataSource(data3);
????}
????public?void?setDataSource(List?data)
????{
????????meshfilter.mesh.Clear();
????????meshfilter.mesh.SetVertices(data);
????????int[]?triangle?=?CreateTriangle(data);
????????meshfilter.mesh.triangles?=?triangle;
????}
????public?void?setDataSource(List?dataint[]?triangles)
????{
????????meshfilter.mesh.Clear();
????????meshfilter.mesh.SetVertices(data);
????????meshfilter.mesh.triangles?=?triangles;
????}
????int[]??CreateTriangle(List?data)
????{
????????int[]?triangles?=?new?int[3?*?(data.Count?-?2)];
????????for?(int?i?=?0;?i?????????{
????????????//這個算法好好琢磨一下吧~??
????????????triangles[3?*?i]?=?0;
????????????triangles[3?*?i?+?1]?=?i?+?2;
????????????triangles[3?*?i?+?2]?=?i?+?1;
????????}
????????return?triangles;
????}
?}
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
????..A..H.????248320??2019-06-07?17:23??NonCoverPolygon\.vs\NonCoverPolygon\v15\.suo
?????文件??????????0??2019-06-07?15:41??NonCoverPolygon\.vs\NonCoverPolygon\v15\Server\sqlite3\db.lock
?????文件?????929792??2019-06-07?16:42??NonCoverPolygon\.vs\NonCoverPolygon\v15\Server\sqlite3\storage.ide
?????文件??????32768??2019-06-07?15:41??NonCoverPolygon\.vs\NonCoverPolygon\v15\Server\sqlite3\storage.ide-shm
?????文件????4128272??2019-06-07?17:23??NonCoverPolygon\.vs\NonCoverPolygon\v15\Server\sqlite3\storage.ide-wal
?????文件??????43717??2019-06-07?15:40??NonCoverPolygon\Assembly-CSharp.csproj
????I.A....?????11882??2019-06-07?17:23??NonCoverPolygon\Assets\Scenes\SampleScene.unity
?????文件????????155??2019-06-07?15:37??NonCoverPolygon\Assets\Scenes\SampleScene.unity.me
?????文件????????172??2019-06-07?15:37??NonCoverPolygon\Assets\Scenes.me
?????文件???????2205??2019-06-05?23:06??NonCoverPolygon\Assets\sc
?????文件????????243??2019-06-07?15:40??NonCoverPolygon\Assets\sc
?????文件????????786??2019-06-05?23:16??NonCoverPolygon\Assets\sc
?????文件????????243??2019-06-07?15:39??NonCoverPolygon\Assets\sc
?????文件????????685??2019-06-04?06:22??NonCoverPolygon\Assets\sc
?????文件????????243??2019-06-07?15:40??NonCoverPolygon\Assets\sc
?????文件???????3597??2019-06-07?17:10??NonCoverPolygon\Assets\sc
?????文件????????243??2019-06-07?15:39??NonCoverPolygon\Assets\sc
?????文件??????13154??2019-06-07?17:10??NonCoverPolygon\Assets\sc
?????文件????????243??2019-06-07?15:39??NonCoverPolygon\Assets\sc
?????文件????????172??2019-06-07?15:39??NonCoverPolygon\Assets\sc
?????文件?????183572??2019-06-07?17:11??NonCoverPolygon\China_1.at
?????文件???????4768??2019-06-07?17:11??NonCoverPolygon\China_2.at
?????文件???????1154??2019-06-07?17:11??NonCoverPolygon\China_3.at
?????文件???????6003??2019-06-07?17:11??NonCoverPolygon\China_4.at
????I.A....??????4116??2019-06-07?15:37??NonCoverPolygon\Library\AnnotationManager
????I.A....???4209016??2019-06-07?17:23??NonCoverPolygon\Library\assetDataba
????I.A....????????10??2019-06-07?15:37??NonCoverPolygon\Library\AssetImportState
????I.A....?????????0??2019-06-07?15:37??NonCoverPolygon\Library\BuildPla
????I.A....??????4152??2019-06-07?15:37??NonCoverPolygon\Library\BuildSettings.asset
????I.A....?????16048??2019-06-07?17:24??NonCoverPolygon\Library\CurrentLayout.dwlt
............此處省略2274個文件信息
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