{"id":678,"date":"2021-01-31T12:30:10","date_gmt":"2021-01-31T03:30:10","guid":{"rendered":"https:\/\/machiaworx.net\/?p=678"},"modified":"2021-03-13T07:53:52","modified_gmt":"2021-03-12T22:53:52","slug":"unity%e3%81%a7%e5%a4%a7%e9%87%8f%e3%81%ae%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e3%82%92%e5%87%ba%e3%81%99","status":"publish","type":"post","link":"https:\/\/machiaworx.net\/?p=678","title":{"rendered":"Unity\u3067\u5927\u91cf\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u51fa\u3059\u30c6\u30b9\u30c8\u3002"},"content":{"rendered":"<div class=\"su-youtube su-u-responsive-media-yes\"><iframe loading=\"lazy\" width=\"600\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/XeMQd6l-MOE?mute=1\" frameborder=\"0\" allowfullscreen=\"true\" title=\"\"><\/iframe><\/div>\n<p>\u3053\u308c\u306f\u4f55\u3057\u3066\u308b\u304b\u3068\u3044\u3046\u3068\u3001Unity\u4e0a\u3067\u5f3e\u5e55STG\u3063\u307d\u304f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u51fa\u3057\u307e\u304f\u308b\u305f\u3081\u306e\u30c6\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u524d\u304b\u3089\u3084\u308d\u3046\u304b\u306a\u30fc\u3068\u306f\u601d\u3063\u3066\u3066\u3001\u5272\u3068\u6642\u9593\u3082\u304b\u304b\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3084\u3081\u3066\u305f\u3093\u3067\u3059\u304c\u3001<br \/>\n\u958b\u767a\u518d\u958b\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u81ea\u5206\u306e\u30c6\u30f3\u30b7\u30e7\u30f3\u4e0a\u304c\u308b\u3082\u306e\u3092\u7d44\u307f\u8fbc\u3080\u307b\u3046\u304c\u958b\u767a\u304c\u9032\u3080\u3060\u308d\u3046\u3068\u3044\u3046\u8003\u3048\u3067\u3001<br \/>\n\u5b9f\u88c5\u3092\u3057\u3066\u307f\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3084\u3063\u305f\u3053\u3068\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<ul>\n<li>GameObject\u4e0a\u3067\u52d5\u7684\u306bMesh\/UV\u5ea7\u6a19\u7b49\u3092\u4f5c\u6210<\/li>\n<li>Material\u3092\u8907\u6570\u4f5c\u6210<\/li>\n<li>Update\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5927\u91cf\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u63cf\u753b\u3001\u305d\u306e\u969b\u306f\u30d1\u30bf\u30fc\u30f3\u3054\u3068\u306b\u4e0a\u8a18Material\u3092\u5272\u5f53<\/li>\n<li>\u52d5\u7684\u306a\u30d0\u30c3\u30c1\u30f3\u30b0\u304c\u767a\u751f\u3057\u3066\u30de\u30c6\u30ea\u30a2\u30eb\u3054\u3068\u306b\u30d0\u30c3\u30c1\u51e6\u7406\u304c\u8d77\u52d5<\/li>\n<li>\u7d50\u679c\u3001\u5927\u91cf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u306e\u5272\u306b\u63cf\u753b\u8ca0\u8377\u304c\u4e0b\u304c\u308b<\/li>\n<\/ul>\n<p>\u3061\u306a\u307f\u306bMaterial\u306e\u5b9a\u7fa9\u3092\u307e\u3068\u3081\u3089\u308c\u306a\u3044\u304b\u3082\u691c\u8a3c\u3057\u305f\u306e\u3067\u3059\u304c\u4ee5\u4e0b\u306e\u7406\u7531\u3067\u65ad\u5ff5\u3002<\/p>\n<ul>\n<li>MaterialPropertyBlock\u306fMaterial\u306e\u6570\u5024\u306e\u3044\u3061\u90e8\u5206\u5909\u66f4\u3060\u304c\u3001\u7d50\u5c40SetPassCall\u304c\u5897\u3048\u308b<\/li>\n<li>Material\u4e0a\u306eOffset\u7b49UV\u5ea7\u6a19\u3092\u6bce\u56de\u52d5\u7684\u306b\u5909\u66f4\u3059\u308b\u3068\u5225\u30de\u30c6\u30ea\u30a2\u30eb\u6271\u3044\u306b\u306a\u3063\u3066\u30d0\u30c3\u30c1\u304c\u8d70\u3089\u306a\u3044\u305f\u3081\u3001\u4e8b\u524d\u306bMaterial\u3054\u3068\u306bUV\u5ea7\u6a19\u3092\u5b9a\u7fa9\u3057\u3001Material\u5358\u4f4d\u3067\u63cf\u753b\u30b3\u30fc\u30eb\u3057\u305f\u3002MaterialPropertyBlock\u3092\u914d\u5217\u3067\u6301\u3063\u3066\u304a\u3051\u3070\u540c\u69d8\u306e\u5b9f\u88c5\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/li>\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u3067\u306eMaterial\u306e\u30e1\u30e2\u30ea\u304c104KB\u3060\u3063\u305f\u304c\u3001\u5229\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u306e\u7dcf\u5bb9\u91cf\u8003\u3048\u3066\u8907\u6570\u642d\u8f09\u3057\u3066\u3082\u554f\u984c\u306a\u304b\u308d\uff01\u3068\u8003\u3048\u3066\u30e1\u30e2\u30ea\u4e0a\u306b\u4e57\u305b\u308b\u969b\u306e\u5de5\u592b\u306f\u7279\u306b\u306a\u3057<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u691c\u8a3c\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3059\u3002<br \/>\n\u5b9f\u9a13\u3057\u3066\u305f\u95a2\u4fc2\u4e0a\u4e0a\u8a18\u306e\u52d5\u753b\u3068\u306f\u5c11\u3057\u9055\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30de\u30c6\u30ea\u30a2\u30eb\u306fEditor\u4e0a\u3067\u6307\u5b9a\u3057\u3066\u3001\u305d\u306e\u969bMaterial\u306f\u30c6\u30af\u30b9\u30c1\u30e3\u3092\u53c2\u7167\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nusing UnityEngine;\r\nusing System.Collections;\r\nusing System.Collections.Generic;\r\npublic class DynamicMeshUsingDrawMesh : MonoBehaviour {\r\n    [SerializeField]\r\n    Material m_mat;\r\n    [SerializeField]\r\n    Material m_mat2;\r\n    [SerializeField]\r\n    Material m_mat3;\r\n    [SerializeField]\r\n    Material m_mat4;\r\n    Mesh m_mesh;\r\n    public float buf_x=1.0f;\r\n    public float buf_y=1.0f;\r\n    public float offset_x=0.0f;\r\n    public float offset_y=0.0f;\r\n    private int bullet_num=1024;\r\n    private Vector2[] uv_base;\r\n    private Vector2[] uv_result=new Vector2[4];\r\n    private float delta = 0.01666667f;\r\n    private float _time;\r\n    private float _pre_time;\r\n    public class status{\r\n        public float x;\r\n        public float y;\r\n        public float z;\r\n        public bool isAlive;\r\n        public int count;\r\n        public float dx;\r\n        public float dy;\r\n        public status(){\r\n            x=0.0f;\r\n            y=0.0f;\r\n            isAlive=false;\r\n            count=0;\r\n            dx=0.0f;\r\n            dy=0.0f;\r\n        }\r\n    };\r\n    private Vector2 offset;\r\n    public status[] bullet_status;\r\n    private MaterialPropertyBlock _materialPropertyBlock;\r\n    void Start () {\r\n        \/\/ \u52d5\u7684\u306aMesh\u751f\u6210\r\n        m_mesh = new Mesh();\r\n        m_mesh.vertices = new Vector3[] {\r\n            new Vector3 (-0.125f, -0.25f),\r\n            new Vector3 (0.125f, -0.25f),\r\n            new Vector3 (0.125f, 0.25f),\r\n            new Vector3 (-0.125f, 0.25f),\r\n        };\r\n        uv_base = new Vector2[]\r\n        {\r\n            new Vector2(0,0),\r\n            new Vector2(0.25f,0),\r\n            new Vector2(0.25f,1.0f),\r\n            new Vector2(0,1.0f),\r\n        };\r\n        m_mesh.triangles = new int[] {\r\n            0, 1, 2,\r\n            0, 2, 3,\r\n        };\r\n        m_mesh.RecalculateNormals();\r\n        m_mesh.RecalculateBounds();\r\n        bullet_status = new status[bullet_num];\r\n        for(int i=0;i&lt;bullet_num; i++){\r\n            bullet_status[i] = new status();\r\n            bullet_status[i].dx = Random.Range(-0.05f, 0.05f);\r\n            bullet_status[i].dy = Random.Range(-0.05f, 0.05f);\r\n            bullet_status[i].isAlive = true;\r\n            bullet_status[i].count=i;\r\n            bullet_status[i].z = i*0.00001f;\r\n        }\r\n        \/\/_materialPropertyBlock = new MaterialPropertyBlock();\r\n        _time=Time.deltaTime;\r\n        _pre_time=Time.deltaTime;\r\n    }\r\n    private void Update()\r\n    {\r\n        bool isMove = false;\r\n        _time += Time.deltaTime;\r\n        if( _time&gt; delta){\r\n            isMove =true;\r\n            _time=0.0f;\r\n            \/\/Debug.Log(_time);\r\n        }\r\n        selfUpdate(isMove);\r\n    }\r\n    public void selfUpdate(bool isMove){\r\n        \/\/_materialPropertyBlock.Clear();\r\n        Material tmp = m_mat;\r\n\r\n        for(int i=0; i&lt;bullet_num; i++ ){\r\n            \/\/\u63cf\u753b\u547d\u4ee4\r\n            if( bullet_status[i].isAlive==true){\r\n\r\n                \/\/UV\u5ea7\u6a19\u306e\u66f4\u65b0\r\n                for( int j=0; j&lt;4; j++){\r\n                    {\r\n                        uv_result[j].x = uv_base[j].x;\/\/ + (bullet_status[i].count%4*0.25f);\r\n                    }\r\n                    \/\/Y\u5ea7\u6a19\u306f\u5909\u5316\u306a\u3057\r\n                    uv_result[j].y= uv_base[j].y;\r\n                }\r\n                \/\/UV\u5ea7\u6a19\u3092\u30a2\u30cb\u30e1\u3055\u305b\u308b\r\n                m_mesh.uv = uv_result;\r\n                if( isMove== true){\r\n                    bullet_status[i].x += bullet_status[i].dx;\r\n                    bullet_status[i].y += bullet_status[i].dy;\r\n                }\r\n                if( bullet_status[i].count%4 == 0)\r\n                    tmp = m_mat;\r\n                else if( bullet_status[i].count%4 ==1)\r\n                    tmp = m_mat2;\r\n                else if( bullet_status[i].count%4 == 2)\r\n                {\r\n                    tmp = m_mat3;\r\n                }\r\n                else if( bullet_status[i].count%4 == 3){\r\n                    tmp = m_mat4;\r\n                }\r\n                else{}\r\n\/*\r\n                offset.x = bullet_status[i].count%4*0.25f;\r\n                offset.y = 0.0f;\r\n                *\/\r\n                \/\/_materialPropertyBlock.SetTextureOffset(&quot;_MainTex&quot;, offset);\r\n                \/\/_materialPropertyBlock.SetVector(&quot;_MainTex_ST&quot;, new Vector4(1.0f, 1.0f, bullet_status[i].count%4*0.25f, 0.0f));\r\n                Graphics.DrawMesh(m_mesh, new Vector3(bullet_status[i].x,\r\n                                                bullet_status[i].y,\r\n                                                bullet_status[i].z),\r\n                                                Quaternion.AngleAxis(20*(float)(bullet_status[i].count%18), new Vector3(0,0,1)), \/\/Quaternion.identity,\r\n                                                tmp, 0\r\n                                                \/\/,null, 0, _materialPropertyBlock, false, false\r\n                                                );\r\n            }\r\n            \/\/\u30ab\u30a6\u30f3\u30c8\r\n            if( isMove == true){\r\n                bullet_status[i].count++;\r\n                if( bullet_status[i].count&gt;0)\r\n                    bullet_status[i].isAlive=true;\r\n                \/\/\u753b\u9762\u5916\u51e6\u7406\r\n                if( bullet_status[i].x &lt;-5.0f || bullet_status[i].x &gt; 5.0){\r\n                    bullet_status[i].x=0.0f;\r\n                    bullet_status[i].y=0.0f;\r\n                    bullet_status[i].count=-30;\r\n                    bullet_status[i].isAlive=false;\r\n                }else if( bullet_status[i].y &lt;-5.0f || bullet_status[i].y &gt; 5.0){\r\n                    bullet_status[i].x=0.0f;\r\n                    bullet_status[i].y=0.0f;\r\n                    bullet_status[i].count=-30;\r\n                    bullet_status[i].isAlive=false;\r\n                }\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/pre>\n<p>\u53c2\u8003URL<\/p>\n<p><a href=\"http:\/\/akiiro.hatenablog.com\/entry\/2017\/07\/05\/002213\">\u3010Unity\u3011DrawMesh\u521d\u6b69\u3068\u52d5\u7684Mesh\u751f\u6210 &#8211; AkiIro\u30d6\u30ed\u30b0 (hatenablog.com)<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u308c\u306f\u4f55\u3057\u3066\u308b\u304b\u3068\u3044\u3046\u3068\u3001Unity\u4e0a\u3067\u5f3e\u5e55STG\u3063\u307d\u304f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u51fa\u3057\u307e\u304f\u308b\u305f\u3081\u306e\u30c6\u30b9\u30c8\u3067\u3059\u3002 \u4ee5\u524d\u304b\u3089\u3084\u308d\u3046\u304b\u306a\u30fc\u3068\u306f\u601d\u3063\u3066\u3066\u3001\u5272\u3068\u6642\u9593\u3082\u304b\u304b\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3084\u3081\u3066\u305f\u3093\u3067\u3059\u304c\u3001 \u958b\u767a\u518d\u958b\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u81ea\u5206\u306e\u30c6\u30f3\u30b7\u30e7\u30f3&hellip; <span class=\"clear\"><\/span><a href=\"https:\/\/machiaworx.net\/?p=678\" class=\"more-link read-more\" rel=\"bookmark\"><span class=\"screen-reader-text\">Unity\u3067\u5927\u91cf\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u51fa\u3059\u30c6\u30b9\u30c8\u3002<\/span><i class=\"fa fa-arrow-right\"><\/i> \u306e\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,4],"tags":[],"class_list":["post-678","post","type-post","status-publish","format-standard","hentry","category-unity","category-pgm"],"_links":{"self":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=678"}],"version-history":[{"count":14,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions"}],"predecessor-version":[{"id":807,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions\/807"}],"wp:attachment":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}