{"id":8152,"date":"2026-08-20T18:54:09","date_gmt":"2026-08-20T10:54:09","guid":{"rendered":"http:\/\/pipingpig.com\/index.php\/2026\/08\/20\/3d%e7%ac%a6%e5%8f%b7%e5%bc%80%e5%8f%91%e5%b8%b8%e7%94%a8%e6%a6%82%e5%bf%b5%e5%92%8c%e9%80%a0%e5%9e%8b%e6%96%b9%e6%b3%95%e6%80%bb%e7%bb%93\/"},"modified":"2026-08-20T21:33:32","modified_gmt":"2026-08-20T13:33:32","slug":"3dfuhaokaifachangyonggainianhezaoxingfangfazongjie","status":"publish","type":"post","link":"https:\/\/www.pipingpig.com\/index.php\/2026\/08\/20\/3dfuhaokaifachangyonggainianhezaoxingfangfazongjie\/","title":{"rendered":"3D\u7b26\u53f7\u5f00\u53d1\u5e38\u7528\u6982\u5ff5\u548c\u9020\u578b\u65b9\u6cd5\u603b\u7ed3"},"content":{"rendered":"
\n
\n

\u9884\u8b66\uff01\u672c\u7bc7\u7eaf\u7406\u8bba\u4ecb\u7ecd\uff0c\u8f83\u4e3a\u67af\u71e5\u65e0\u804a\u6666\u6da9\uff01<\/strong><\/span><\/p>\n

\n

<\/p>\n

Position\uff0c\u5750\u6807\uff0c\u8fd9\u4e2a\u5e94\u8be5\u90fd\u77e5\u9053\uff0c\u6bd4\u8f83\u7b80\u5355<\/span><\/p>\n

Vector\uff0c\u5411\u91cf\uff0c\u7a0d\u5fae\u62bd\u8c61\u70b9\u4e86\uff0c<\/span><\/span><\/p>\n

<\/p>\n

    \n
  1. \n
    \u6cd5\u5411\u91cf\uff0cXXX.Normal<\/em><\/span><\/section>\n<\/li>\n
  2. \n
    \u6c42A\u70b9\u5230B\u70b9\u7684\u5411\u91cf\uff0cPoint(Pos)B.Substract(Point(Pos)A)<\/em><\/span><\/section>\n<\/li>\n
  3. \n
    \u6c42\u5411\u91cf\u7684\u957f\u5ea6\uff0cVector.Length<\/em><\/span><\/section>\n<\/li>\n
  4. \n
    \u6c42\u5411\u91cfA\u5728\u67d0\u4e2a\u9762\u4e0a\u7684\u6295\u5f71\u5411\u91cf\uff1aVectorA.ProjectVectorToPlane(planeNormal as Vector)<\/em><\/span><\/section>\n<\/li>\n
  5. \n
    \u6c42\u4e24\u4e2a\u5411\u91cf\u7684\u6b63\u4ea4\u5411\u91cf\uff1aVector1.Cross(Vector2)\uff0c\u5f97\u51fa\u7684\u7ed3\u679c\u662f\u91cc\u9762\u5411\u91cf\uff08\u98df<\/em>\u6307\uff09\u7684\u53f3\u624b\u6cd5\u5219\u7684\u5927\u62c7\u6307\u5411\u91cf<\/span><\/section>\n<\/li>\n<\/ol>\n

    Matrix4x4\uff0c\u5750\u6807\u7cfb\u77e9\u9635\uff0c\u8fd9\u4e2a\u5c31\u66f4\u62bd\u8c61\u4e86\uff0c\u4e0d\u8fc7\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u628a\u5b83\u7406\u89e3\u6210\u4e00\u4e2a\u5e26\u6709\u82e5\u5e72\u5c5e\u6027\u7684\u5750\u6807\u7cfb\uff0c\u53ef\u4ee5\u4f7f\u7528Get\u6216Set\u83b7\u53d6\u6216\u8bbe\u7f6e\u5b83\u7684\u8fd9\u4e9b\u5c5e\u6027\u3002<\/span><\/span><\/p>\n

      \n
    1. \n

      \u8bbe\u7f6e\u5750\u6807\u7cfb\u7684XY\u8f74\u65b9\u5411\uff0coMatrix.SetOrientation(vectorX, vectorY)<\/em><\/span><\/p>\n<\/li>\n

    2. \n

      \u8bbe\u7f6e\u5750\u6807\u7cfb\u539f\u70b9\uff0c\u4ee5\u53caXY\u8f74\u65b9\u5411\uff0coMatrix.Set(Pos, VectorX, VectorY)<\/em><\/span><\/p>\n<\/li>\n

    3. \n

      \u6cbf\u67d0\u4e2a\u5782\u76f4\u8f74\u65cb\u8f6c\u5750\u6807\u7cfb\uff0coMatrix.Rotate(dAngle, normVector)<\/em><\/span><\/p>\n<\/li>\n

    4. \n

      \u6cbf\u67d0\u4e2a\u5782\u76f4\u8f74\uff0c\u67d0\u4e2a\u539f\u70b9\u5750\u6807\u65cb\u8f6c\u5750\u6807\u7cfb\uff0coMatrix.Rotate(dAngle, normVector, posCenter)<\/em><\/span><\/p>\n<\/li>\n

    5. \n

      \u6cbf\u67d0\u4e2a\u5411\u91cf\u79fb\u52a8\u5750\u6807\u7cfb\uff0coMatrix.Translate(Vector)<\/em><\/span><\/p>\n<\/li>\n

    6. \n

      \u8f6c\u6362\u5750\u6807\u7cfb\uff0coMatrix.Transform(Position)\/(Vector)<\/em><\/span><\/p>\n<\/li>\n<\/ol>\n

      Geometry3D\u4e0b\u9762\u6709\u51e0\u5927\u7c7b\u6784\u9020\u5916\u5f62\u7684\u57fa\u7c7b\uff1a
      Point3d\uff1a\u6784\u9020\u70b9\u00a0 \u00a0\u63a5\u53e3\uff1aIPoint\uff1b
      Curve3d\uff1a\u6784\u9020\u7ebf\u00a0 \u63a5\u53e3\uff1aICurve\uff1b
      Surface3d\uff1a\u6784\u9020\u9762\u00a0\u63a5\u53e3\uff1aISurface\uff1b
      GeometryPart\uff1a\u6682\u65f6\u6ca1\u63a5\u89e6\u8fc7<\/span><\/p>\n

      Point3d\uff0c\u70b9\uff0c\u6bd4\u8f83\u7b80\u5355\uff0c\u6709\u73b0\u6210\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u8fd9\u91cc\u4e3e\u51e0\u4e2a\u7ecf\u5e38\u4f1a\u7528\u5230\u7684\u65b9\u6cd5<\/span><\/span><\/p>\n

        \n
      1. \n

        \u67d0\u70b9\u5ef6\u67d0\u5411\u91cf\u4fbf\u5b9c\u5f97\u5230\u53e6\u4e00\u70b9\uff0c\u5411\u91cf\u9700\u8981\u8d4b\u503c\u957f\u5ea6\uff0cPoint2 =\u00a0Point1.Offset(Vector1)<\/em><\/span><\/p>\n<\/li>\n

      2. \n

        \u6c42\u4e24\u70b9\u76f4\u7ebf\u8ddd\u79bb\uff0cPos1.DistanceToPoint(Pos2)<\/em><\/span><\/p>\n<\/li>\n

      3. \n

        \u70b9\u5230\u9762\u7684\u5782\u76f4\u6295\u5f71<\/em><\/span><\/p>\n<\/li>\n<\/ol>\n

        Curve3d\u548cSurface3d\u4e0b\u9762\u7684\u5b50\u7c7b\u6bd4\u8f83\u591a\uff0c\u5e38\u7528\u7684\u4ecb\u7ecd\u4e00\u4e0b\u3002
        Curve3d\u4e0b\u9762\u6709\uff1a<\/span><\/span><\/p>\n

          \n
        1. \n

          New Line3D(Pos1, Pos2)<\/em><\/span><\/p>\n<\/li>\n

        2. \n

          New Arc3d(Pos1, Pos2, Pos3)\u00a0 New Arc3d(posCenter, vecNorm, posStart, posEnd)<\/em><\/span><\/p>\n<\/li>\n

        3. \n

          New Circle3d(Pos1, Pos2, Pos3)\u00a0 New Circle3d(posCenter, vecNorm, Radius)<\/em><\/span><\/p>\n<\/li>\n

        4. \n

          New Ellipse3d(psCenter, vecNorm, vecMajorAxis, dMinorMajorRatio)\uff0c\u8fd9\u4e2a\u6784\u9020\u692d\u5706\u7684\u65b9\u6cd5\u91cc\u5e76\u6ca1\u6709\u6307\u5b9a\u4efb\u4f55\u4e00\u4e2a\u534a\u5f84\uff0c\u96be\u9053\u957f\u534a\u5f84\u76f4\u63a5\u53d6\u7528\u957f\u5411\u91cf\u7684\u957f\u5ea6\uff1f<\/em><\/span><\/p>\n<\/li>\n

        5. \n

          New\u00a0EllipticalArc3d(psCenter, vecNorm, vecMajorAxis, dMinorMajorRatio, StartAngle, SweepAngle)<\/em><\/span><\/p>\n<\/li>\n

        6. \n

          New\u00a0LineString3d(oCollPos)\u7ed9\u591a\u4e2a\u70b9\uff0c\u76f4\u7ebf\u76f8\u8fde\uff0c\u5373\u591a\u6bb5\u7ebf<\/em><\/span><\/p>\n<\/li>\n

        7. \n

          New ComplexString3d(OccurrenceConn,\u00a0oCurves)\u590d\u6742\u7ebf\u96c6\u5408<\/em><\/span><\/p>\n<\/li>\n<\/ol>\n

          Surface3d\u4e0b\u9762\u6709\uff1a<\/span><\/span><\/p>\n

            \n
          1. \n

            New Plane3d(Pos1, Pos2, Pos3)\u00a0\u4e09\u70b9\u786e\u5b9a\u4e00\u9762\uff0c New\u00a0Plane3d(posPt, vecNorm)\u5782\u76f4\u5411\u91cf\u52a0\u9762\u4e0a\u7684\u4e00\u4e2a\u70b9\uff0c\u00a0New\u00a0Plane3d(ComplexString3d)\u4e00\u4e2a\u5e73\u9762\u4e0a\u7684\u590d\u6742\u7ebf\u96c6\u5408(\u975e\u7b80\u5355\u76f4\u7ebf)<\/em><\/span><\/p>\n<\/li>\n

          2. \n

            New Cone3d(posBaseCenter, posTopCenter, posBaseStart,\u00a0\u00a0posTopStart, bSolid)\u5706\u9525\u4f53\u7ed8\u5236\uff0c\u786e\u5b9a\u4e2d\u8f74\uff0c\u56db\u4e2a\u70b9\u5b9a\u4e00\u4e2a\u9762\u7ed5\u4e2d\u8f74\u65cb\u8f6c<\/em><\/span><\/p>\n<\/li>\n

          3. \n

            New\u00a0Sphere3d(posCenter, dRadius, bSolid)\u753b\u7403\uff0c\u5706\u5fc3\uff0c\u534a\u5f84\uff0c\u5f88\u7b80\u5355\u7684\u9020\u578b<\/em><\/span><\/p>\n<\/li>\n

          4. \n

            New\u00a0Projection3d(GenCurve, vecProjDir, dLength, bCapped)\u00a0\u62c9\u4f38<\/em><\/span><\/p>\n<\/li>\n

          5. \n

            New Revolution3d(oArc3d_1, oVecAxis, oPosCenter, dSweepAngle, bCapped)\u00a0\u65cb\u8f6c<\/em><\/span><\/p>\n<\/li>\n

          6. \n

            New Ruled3d(GenCurveBase, GenCurveTop, bCapped)\u4e24\u4e2a\u7ebf\u96c6\u5408\u4e4b\u95f4\u653e\u6837\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5bf9\u4e24\u4e2a\u7ebf\u96c6\u5408\u6709\u4e00\u5b9a\u8981\u6c42\uff0c\u4f7f\u7528\u65f6\u5019\u9700\u8981\u6ce8\u610f\uff0c\u4e0d\u662f\u4efb\u610f\u4e24\u4e2a\u7ebf\u96c6\u5408\u90fd\u80fd\u653e\u6837\u6210\u529f<\/em><\/span><\/p>\n<\/li>\n

          7. \n

            Surface3d.GetSweepSurfacesFromCurve\uff0c\u626b\u7565\uff0c\u4e0d\u505a\u8fc7\u591a\u8bb2\u89e3\uff0c\u53c2\u89c1\u81ea\u5e26\u5e2e\u52a9\u6587\u6863<\/span><\/p>\n<\/li>\n

          8. \n

            Surface3d.GetSweepSurfacesFromPlane\uff0c\u626b\u7565\uff0c\u4e0d\u505a\u8fc7\u591a\u8bb2\u89e3\uff0c\u53c2\u89c1\u81ea\u5e26\u5e2e\u52a9\u6587\u6863<\/span><\/p>\n<\/li>\n<\/ol>\n

            \u4ee5\u4e0a\u6982\u5ff5\u5747\u5c5e\u4e8eCommonMiddle\u8fd9\u4e2aAPI\uff0c\u8fd8\u6709\u6211\u4eec\u5728\u521b\u5efa\u7b26\u53f7\u7684\u65f6\u5019\u5f15\u7528\u7684\u4e00\u4e2a\u5fc5\u987b\u7684API\u53ebCommonSymbolFunctions\uff0c\u8fd9\u91cc\u9762\u6709\u4e00\u4e2aGraphics3d\u7c7b\uff0c\u91cc\u9762\u51e0\u4e4e\u5305\u542b\u4e86\u4e0a\u9762\u6211\u4eec\u6240\u4ecb\u7ecd\u5230\u7684\u6240\u6709\u9020\u578b\u65b9\u6cd5\uff0c\u5404\u4f4d\u4e5f\u53ef\u4ee5\u901a\u8fc7Graphics.CreateXXX\u6765\u5b9e\u73b0\u9020\u578b\u3002<\/span><\/p>\n

            \u6211\u4e0a\u9762\u8bb2\u89e3\u7684\u6709\u4e9b\u4e1c\u897f\u5176\u5b9e\u81ea\u5df1\u4e5f\u4e0d\u80fd\u786e\u4fdd\u767e\u5206\u767e\u719f\u7ec3\u4f7f\u7528\uff0c\u5f53\u4f60\u5bf9\u67d0\u4e2a\u9020\u578b\u65b9\u6cd5\u6216\u6982\u5ff5\u4e0d\u662f\u5f88\u786e\u5b9a\u7684\u65f6\u5019\uff0c\u8bb0\u4f4f\u4e00\u4e2a\u4e07\u80fd\u7684\u5b9a\u5f8b\uff1a<\/span>\u8bd5\u4e00\u4e0b\uff01<\/span><\/strong><\/span><\/p>\n

            <\/figure>\n
            \n

            \u540e\u5e8f\uff1a\u5927\u5bb6\u901a\u8fc7\u4e0a\u9762\u7684\u7c7b\u548c\u65b9\u6cd5\u80fd\u770b\u51fa\uff0c3D\u91cc\u57fa\u672c\u4e0a\u6d89\u53ca\u5230\u70b9\uff0c\u7ebf\uff0c\u9762\uff0c\u4e09\u79cd\u6982\u5ff5\uff0c\u800c\u5e76\u6ca1\u6709\u6d89\u53ca\u5230\u5b9e\u4f53\uff0c\u800c\u4e14\u6211\u4eec\u7ecf\u5e38\u770b\u5230\u67d0\u4e9b\u65b9\u6cd5\u91cc\u4f1a\u5e26\u6709\u4e00\u4e2aCapped\u7684\u5f00\u5173\u8bbe\u7f6e\uff08\u5373\u662f\u5426\u5c01\u95ed\uff09\uff0c\u7531\u6b64\u53ef\u89c1\uff0c3D\u91cc\u9762\u7684\u9020\u578b\u57fa\u672c\u6784\u6210\u4e3a\u5404\u79cd\u70b9\u7ebf\u9762\uff0c\u800c\u5e76\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5b9e\u4f53\u3002<\/strong><\/span><\/p>\n

            <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

            \u9884\u8b66\uff01\u672c\u7bc7\u7eaf\u7406\u8bba\u4ecb\u7ecd\uff0c\u8f83\u4e3a\u67af\u71e5\u65e0\u804a\u6666\u6da9\uff01 Position\uff0c\u5750\u6807\uff0c\u8fd9\u4e2a\u5e94\u8be5\u90fd\u77e5\u9053\uff0c\u6bd4\u8f83\u7b80\u5355 Vector\uff0c\u5411\u91cf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[9,28],"tags":[],"class_list":["post-8152","post","type-post","status-publish","format-standard","hentry","category-smart3d","category-dev"],"_links":{"self":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts\/8152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/comments?post=8152"}],"version-history":[{"count":1,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts\/8152\/revisions"}],"predecessor-version":[{"id":8241,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts\/8152\/revisions\/8241"}],"wp:attachment":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/media?parent=8152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/categories?post=8152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/tags?post=8152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}