{"id":842,"date":"2021-05-02T07:58:31","date_gmt":"2021-05-01T22:58:31","guid":{"rendered":"https:\/\/machiaworx.net\/?p=842"},"modified":"2021-05-02T08:42:50","modified_gmt":"2021-05-01T23:42:50","slug":"unity%e3%81%a7%e7%b7%9a%e3%82%92%e5%bc%95%e3%81%8f%e6%ba%96%e5%82%99%e3%80%82","status":"publish","type":"post","link":"https:\/\/machiaworx.net\/?p=842","title":{"rendered":"Unity\u3067\u7dda\u72b6\u306e\u30e1\u30c3\u30b7\u30e5\u3092\u30b3\u30fc\u30c9\u304b\u3089\u4f5c\u308b\u3002"},"content":{"rendered":"<p>\u3068\u308a\u3042\u3048\u305a\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>DrawMesh\u3067\u4f5c\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3046\u307e\u304f\u8a2d\u5b9a\u3059\u308c\u3070GameObject\u306b\u4f9d\u5b58\u305b\u305a\u8907\u6570\u306e\u7dda\u3092\u66f8\u304f\u3053\u3068\u304c\u53ef\u80fd\u305d\u3046\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-large wp-image-843\" src=\"https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099-700x389.jpg\" alt=\"\" width=\"700\" height=\"389\" srcset=\"https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099-700x389.jpg 700w, https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099-300x167.jpg 300w, https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099-768x427.jpg 768w, https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099-800x445.jpg 800w, https:\/\/machiaworx.net\/wp-content\/uploads\/2021\/05\/\u7dda\u306e\u6e96\u5099.jpg 904w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h3>\u30b3\u30fc\u30c9<\/h3>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nusing UnityEngine;\r\nusing System.Collections;\r\nusing System.Collections.Generic;\r\npublic class LineDraw : MonoBehaviour {\r\n    [SerializeField]\r\n    Material m_mat;\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=1;\r\n\r\n    \/\/\r\n    private Vector2[] uv_base;\r\n    private Vector2[] uv_result=new Vector2[8];\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\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 (-1.0f+3.0f, -1.0f),\r\n            new Vector3 (1.0f+2.0f, -1.0f),\r\n            new Vector3 (1.0f, 0.0f),\r\n            new Vector3 (-1.0f, 0.0f),\r\n            new Vector3 (1.0f, 3.0f),\r\n            new Vector3 (-1.0f, 3.0f),\r\n            new Vector3 (1.0f-3.0f, 6.0f),\r\n            new Vector3 (-1.0f-2.0f, 6.0f),\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,0.5f),\r\n            new Vector2(0, 0.5f),\r\n            new Vector2(0.25f,0.75f),\r\n            new Vector2(0, 0.75f),\r\n            new Vector2(0.25f,1.0f),\r\n            new Vector2(0,  1.0f),\r\n\r\n        };\r\n        m_mesh.triangles = new int[] {\r\n            0, 3, 2,\r\n            0, 2, 1,\r\n            3, 4, 2,\r\n            3, 5, 4,\r\n            5,7,6,\r\n            5,6,4,\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 = 0.0f;\/\/Random.Range(-0.05f, 0.05f);\r\n            bullet_status[i].dy = 0.0f;\/\/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&amp;amp;lt;8; 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                    tmp = m_mat;\r\n\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.identity,\/\/Quaternion.AngleAxis(20*(float)(bullet_status[i].count%18), new Vector3(0,0,1)), \/\/\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&amp;amp;gt;0)\r\n                    bullet_status[i].isAlive=true;\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u3068\u308a\u3042\u3048\u305a\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002 DrawMesh\u3067\u4f5c\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3046\u307e\u304f\u8a2d\u5b9a\u3059\u308c\u3070GameObject\u306b\u4f9d\u5b58\u305b\u305a\u8907\u6570\u306e\u7dda\u3092\u66f8\u304f\u3053\u3068\u304c\u53ef\u80fd\u305d\u3046\u3067\u3059\u3002 \u30b3\u30fc\u30c9<\/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-842","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\/842","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=842"}],"version-history":[{"count":9,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/842\/revisions"}],"predecessor-version":[{"id":853,"href":"https:\/\/machiaworx.net\/index.php?rest_route=\/wp\/v2\/posts\/842\/revisions\/853"}],"wp:attachment":[{"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machiaworx.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}