{
  "schemaVersion": "0.11.0",
  "canonical": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/",
  "atlas": "https://www.pystone.net/?node=uwa-answer-rotated-texture-aliasing#knowledge-atlas",
  "markdown": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing.md",
  "context": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing.context.json",
  "knowledgeVersion": "224c990773de.5fa8af6e39fa",
  "build": {
    "siteCommit": "224c990773de166d23a886306577dd90379529ce",
    "notesCommit": "5fa8af6e39fa3891d1b9b4832bfa6c4e0ecaaf0a",
    "builtAt": "1970-01-01T00:00:00.000Z",
    "version": "224c990773de.5fa8af6e39fa"
  },
  "id": "note:uwa-answer-rotated-texture-aliasing",
  "slug": "uwa-answer-rotated-texture-aliasing",
  "title": "unity纹理旋转造成的锯齿",
  "type": "note",
  "visibility": "public",
  "idStability": "rename-stable",
  "author": {
    "name": "石心.Yong"
  },
  "publisher": {
    "name": "Perrin Yong",
    "profile": "https://www.pystone.net/profile/"
  },
  "aliases": [],
  "summary": "unity纹理旋转造成的锯齿",
  "contentRole": "source",
  "sourceType": "source",
  "sourceMetadata": {
    "author": "石心.Yong"
  },
  "isMoc": false,
  "mocRecognition": "none",
  "generated": false,
  "attribution": "external_source",
  "domain": "10-计算机、信息技术与工程",
  "tags": [],
  "mocs": [],
  "contentHash": "02f9b0784deeff2980a95e245305aecd40a91dfc4863f917b3072bfd5bd917cd",
  "assets": [
    {
      "reference": "assets/5eef8b9ce3f5e025289af670/01.png",
      "url": "/media/6e9cd89dbe4331936279.png",
      "mediaType": "image/png",
      "contentHash": "6e9cd89dbe4331936279f4baa93a4f0ed043449fe6875fb164cbfc3424e7b39c",
      "byteLength": 31136,
      "width": 723,
      "height": 601
    }
  ],
  "headings": [
    {
      "depth": 1,
      "text": "unity纹理旋转造成的锯齿",
      "anchor": "unity纹理旋转造成的锯齿",
      "citation": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/#unity%E7%BA%B9%E7%90%86%E6%97%8B%E8%BD%AC%E9%80%A0%E6%88%90%E7%9A%84%E9%94%AF%E9%BD%BF"
    },
    {
      "depth": 2,
      "text": "问题",
      "anchor": "问题",
      "citation": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/#%E9%97%AE%E9%A2%98"
    },
    {
      "depth": 2,
      "text": "我的回答",
      "anchor": "我的回答",
      "citation": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/#%E6%88%91%E7%9A%84%E5%9B%9E%E7%AD%94"
    },
    {
      "depth": 2,
      "text": "来源与关系",
      "anchor": "来源与关系",
      "citation": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/#%E6%9D%A5%E6%BA%90%E4%B8%8E%E5%85%B3%E7%B3%BB"
    }
  ],
  "claims": [],
  "outgoing": [
    {
      "id": "note:my-uwa-answers",
      "title": "我的 UWA 问答",
      "url": "https://www.pystone.net/notes/my-uwa-answers/",
      "atlas": "https://www.pystone.net/?node=my-uwa-answers#knowledge-atlas",
      "label": "我的 UWA 问答",
      "origin": "explicit",
      "humanReviewed": true,
      "context": "上位集合：我的 UWA 问答",
      "citation": "https://www.pystone.net/notes/uwa-answer-rotated-texture-aliasing/#%E6%9D%A5%E6%BA%90%E4%B8%8E%E5%85%B3%E7%B3%BB"
    }
  ],
  "incoming": [
    {
      "id": "note:my-uwa-answers",
      "title": "我的 UWA 问答",
      "url": "https://www.pystone.net/notes/my-uwa-answers/",
      "atlas": "https://www.pystone.net/?node=my-uwa-answers#knowledge-atlas",
      "label": "我的 UWA 问答",
      "origin": "explicit",
      "humanReviewed": true,
      "context": "2020-06-23：unity纹理旋转造成的锯齿（资源管理、UI、UGUI）",
      "citation": "https://www.pystone.net/notes/my-uwa-answers/#2020"
    },
    {
      "id": "note:game-graphics-and-runtime",
      "title": "游戏图形与运行时",
      "url": "https://www.pystone.net/notes/game-graphics-and-runtime/",
      "atlas": "https://www.pystone.net/?node=game-graphics-and-runtime#knowledge-atlas",
      "label": "游戏图形与运行时",
      "origin": "explicit",
      "humanReviewed": true,
      "context": "我的UWA问答中的“2020-06-23 - unity纹理旋转造成的锯齿”导航项",
      "citation": "https://www.pystone.net/notes/game-graphics-and-runtime/#%E6%88%91%E7%9A%84uwa%E9%97%AE%E7%AD%94"
    }
  ],
  "contentMarkdown": "# unity纹理旋转造成的锯齿\n\n> [!note] 我的 UWA 问答\n> 本文收录我在 UWA 问答发表的公开回答。问题内容归原提问者；回答保留当时语境，技术结论可能受 Unity 版本、平台和项目条件限制。\n\n## 问题\n\n![snipaste_20200622_003039.png](assets/5eef8b9ce3f5e025289af670/01.png)\n\nhttps://answer.uwa4d.com/question/5eb12ac24d93790618e0ec86 该帖子中有讲到，将纹理外边缘添加一圈alpha可解决旋转过后的锯齿问题，我想不明白，为什么纹理边缘有alpha，锯齿就不明显了？\n\n- 提问者：会丢锅的Coder\n- 提问时间：2020-06-22 08:32:28\n\n## 我的回答\n\n边缘是产生锯齿的源头，边缘留几个透明的像素单位，这样被锯齿的部分就是透明的(是我自己一开始的理解，可能不准确。准确的原理看楼下的大佬怎么说)。\n\n另外有个题主的表述上存在不合适之处。\n\nAlpha通道是一个特别的通道，“非彩色”通道，是指一张图片的透明和半透明度。每个像素有一个 Alpha 通道值，取值为0到1，用来储存这个像素是否对图片有「贡献」，其外在表现是「透明度」。\n\n所以，“纹理边缘有alpha”的说法不准确，只能说“纹理带有Alpha通道”，“纹理边缘有一圈透明的像素单位”。\n\n- 回答时间：2020-06-23 05:36:09\n- 最后更新：2020-06-24 00:00:08\n- 采纳状态：未采纳\n\n## 来源与关系\n\n- 上位集合：[[10-计算机、信息技术与工程/05-游戏图形与运行时/我的UWA问答/我的UWA问答|我的 UWA 问答]]\n- UWA 标签：资源管理、UI、UGUI\n- 原始问题：[unity纹理旋转造成的锯齿](https://answer.uwa4d.com/question/5eef8b9ce3f5e025289af670)\n- 源页最后更新：2020-06-23 23:28:43\n"
}