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- {"ast":null,"code":"import { Mesh } from \"../mesh.js\";\nimport { VertexData } from \"../mesh.vertexData.js\";\nimport { useOpenGLOrientationForUV } from \"../../Compat/compatibilityOptions.js\";\n/**\n * Creates the VertexData of the Disc or regular Polygon\n * @param options an object used to set the following optional parameters for the disc, required but can be empty\n * * radius the radius of the disc, optional default 0.5\n * * tessellation the number of polygon sides, optional, default 64\n * * arc a number from 0 to 1, to create an unclosed polygon based on the fraction of the circumference given by the arc value, optional, default 1\n * * sideOrientation optional and takes the values : Mesh.FRONTSIDE (default), Mesh.BACKSIDE or Mesh.DOUBLESIDE\n * * frontUvs only usable when you create a double-sided mesh, used to choose what parts of the texture image to crop and apply on the front side, optional, default vector4 (0, 0, 1, 1)\n * * backUVs only usable when you create a double-sided mesh, used to choose what parts of the texture image to crop and apply on the back side, optional, default vector4 (0, 0, 1, 1)\n * @returns the VertexData of the box\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport function CreateDiscVertexData(options) {\n const positions = [];\n const indices = [];\n const normals = [];\n const uvs = [];\n const radius = options.radius || 0.5;\n const tessellation = options.tessellation || 64;\n const arc = options.arc && (options.arc <= 0 || options.arc > 1) ? 1.0 : options.arc || 1.0;\n const sideOrientation = options.sideOrientation === 0 ? 0 : options.sideOrientation || VertexData.DEFAULTSIDE;\n // positions and uvs\n positions.push(0, 0, 0); // disc center first\n uvs.push(0.5, 0.5);\n const theta = Math.PI * 2 * arc;\n const step = arc === 1 ? theta / tessellation : theta / (tessellation - 1);\n let a = 0;\n for (let t = 0; t < tessellation; t++) {\n const x = Math.cos(a);\n const y = Math.sin(a);\n const u = (x + 1) / 2;\n const v = (1 - y) / 2;\n positions.push(radius * x, radius * y, 0);\n uvs.push(u, useOpenGLOrientationForUV ? 1 - v : v);\n a += step;\n }\n if (arc === 1) {\n positions.push(positions[3], positions[4], positions[5]); // close the circle\n uvs.push(uvs[2], useOpenGLOrientationForUV ? 1 - uvs[3] : uvs[3]);\n }\n //indices\n const vertexNb = positions.length / 3;\n for (let i = 1; i < vertexNb - 1; i++) {\n indices.push(i + 1, 0, i);\n }\n // result\n VertexData.ComputeNormals(positions, indices, normals);\n VertexData._ComputeSides(sideOrientation, positions, indices, normals, uvs, options.frontUVs, options.backUVs);\n const vertexData = new VertexData();\n vertexData.indices = indices;\n vertexData.positions = positions;\n vertexData.normals = normals;\n vertexData.uvs = uvs;\n return vertexData;\n}\n/**\n * Creates a plane polygonal mesh. By default, this is a disc\n * * The parameter `radius` sets the radius size (float) of the polygon (default 0.5)\n * * The parameter `tessellation` sets the number of polygon sides (positive integer, default 64). So a tessellation valued to 3 will build a triangle, to 4 a square, etc\n * * You can create an unclosed polygon with the parameter `arc` (positive float, default 1), valued between 0 and 1, what is the ratio of the circumference : 2 x PI x ratio\n * * You can also set the mesh side orientation with the values : BABYLON.Mesh.FRONTSIDE (default), BABYLON.Mesh.BACKSIDE or BABYLON.Mesh.DOUBLESIDE\n * * If you create a double-sided mesh, you can choose what parts of the texture image to crop and stick respectively on the front and the back sides with the parameters `frontUVs` and `backUVs` (Vector4). Detail here : https://doc.babylonjs.com/features/featuresDeepDive/mesh/creation/set#side-orientation\n * * The mesh can be set to updatable with the boolean parameter `updatable` (default false) if its internal geometry is supposed to change once created\n * @param name defines the name of the mesh\n * @param options defines the options used to create the mesh\n * @param scene defines the hosting scene\n * @returns the plane polygonal mesh\n * @see https://doc.babylonjs.com/features/featuresDeepDive/mesh/creation/set#disc-or-regular-polygon\n */\nexport function CreateDisc(name, options = {}, scene = null) {\n const disc = new Mesh(name, scene);\n options.sideOrientation = Mesh._GetDefaultSideOrientation(options.sideOrientation);\n disc._originalBuilderSideOrientation = options.sideOrientation;\n const vertexData = CreateDiscVertexData(options);\n vertexData.applyToMesh(disc, options.updatable);\n return disc;\n}\n/**\n * Class containing static functions to help procedurally build meshes\n * @deprecated please use CreateDisc directly\n */\nexport const DiscBuilder = {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CreateDisc\n};\nVertexData.CreateDisc = CreateDiscVertexData;\nMesh.CreateDisc = (name, radius, tessellation, scene = null, updatable, sideOrientation) => {\n const options = {\n radius,\n tessellation,\n sideOrientation,\n updatable\n };\n return CreateDisc(name, options, scene);\n};","map":{"version":3,"names":["Mesh","VertexData","useOpenGLOrientationForUV","CreateDiscVertexData","options","positions","indices","normals","uvs","radius","tessellation","arc","sideOrientation","DEFAULTSIDE","push","theta","Math","PI","step","a","t","x","cos","y","sin","u","v","vertexNb","length","i","ComputeNormals","_ComputeSides","frontUVs","backUVs","vertexData","CreateDisc","name","scene","disc","_GetDefaultSideOrientation","_originalBuilderSideOrientation","applyToMesh","updatable","DiscBuilder"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Meshes/Builders/discBuilder.js"],"sourcesContent":["import { Mesh } from \"../mesh.js\";\nimport { VertexData } from \"../mesh.vertexData.js\";\nimport { useOpenGLOrientationForUV } from \"../../Compat/compatibilityOptions.js\";\n/**\n * Creates the VertexData of the Disc or regular Polygon\n * @param options an object used to set the following optional parameters for the disc, required but can be empty\n * * radius the radius of the disc, optional default 0.5\n * * tessellation the number of polygon sides, optional, default 64\n * * arc a number from 0 to 1, to create an unclosed polygon based on the fraction of the circumference given by the arc value, optional, default 1\n * * sideOrientation optional and takes the values : Mesh.FRONTSIDE (default), Mesh.BACKSIDE or Mesh.DOUBLESIDE\n * * frontUvs only usable when you create a double-sided mesh, used to choose what parts of the texture image to crop and apply on the front side, optional, default vector4 (0, 0, 1, 1)\n * * backUVs only usable when you create a double-sided mesh, used to choose what parts of the texture image to crop and apply on the back side, optional, default vector4 (0, 0, 1, 1)\n * @returns the VertexData of the box\n */\n// eslint-disable-next-line @typescript-eslint/naming-convention\nexport function CreateDiscVertexData(options) {\n const positions = [];\n const indices = [];\n const normals = [];\n const uvs = [];\n const radius = options.radius || 0.5;\n const tessellation = options.tessellation || 64;\n const arc = options.arc && (options.arc <= 0 || options.arc > 1) ? 1.0 : options.arc || 1.0;\n const sideOrientation = options.sideOrientation === 0 ? 0 : options.sideOrientation || VertexData.DEFAULTSIDE;\n // positions and uvs\n positions.push(0, 0, 0); // disc center first\n uvs.push(0.5, 0.5);\n const theta = Math.PI * 2 * arc;\n const step = arc === 1 ? theta / tessellation : theta / (tessellation - 1);\n let a = 0;\n for (let t = 0; t < tessellation; t++) {\n const x = Math.cos(a);\n const y = Math.sin(a);\n const u = (x + 1) / 2;\n const v = (1 - y) / 2;\n positions.push(radius * x, radius * y, 0);\n uvs.push(u, useOpenGLOrientationForUV ? 1 - v : v);\n a += step;\n }\n if (arc === 1) {\n positions.push(positions[3], positions[4], positions[5]); // close the circle\n uvs.push(uvs[2], useOpenGLOrientationForUV ? 1 - uvs[3] : uvs[3]);\n }\n //indices\n const vertexNb = positions.length / 3;\n for (let i = 1; i < vertexNb - 1; i++) {\n indices.push(i + 1, 0, i);\n }\n // result\n VertexData.ComputeNormals(positions, indices, normals);\n VertexData._ComputeSides(sideOrientation, positions, indices, normals, uvs, options.frontUVs, options.backUVs);\n const vertexData = new VertexData();\n vertexData.indices = indices;\n vertexData.positions = positions;\n vertexData.normals = normals;\n vertexData.uvs = uvs;\n return vertexData;\n}\n/**\n * Creates a plane polygonal mesh. By default, this is a disc\n * * The parameter `radius` sets the radius size (float) of the polygon (default 0.5)\n * * The parameter `tessellation` sets the number of polygon sides (positive integer, default 64). So a tessellation valued to 3 will build a triangle, to 4 a square, etc\n * * You can create an unclosed polygon with the parameter `arc` (positive float, default 1), valued between 0 and 1, what is the ratio of the circumference : 2 x PI x ratio\n * * You can also set the mesh side orientation with the values : BABYLON.Mesh.FRONTSIDE (default), BABYLON.Mesh.BACKSIDE or BABYLON.Mesh.DOUBLESIDE\n * * If you create a double-sided mesh, you can choose what parts of the texture image to crop and stick respectively on the front and the back sides with the parameters `frontUVs` and `backUVs` (Vector4). Detail here : https://doc.babylonjs.com/features/featuresDeepDive/mesh/creation/set#side-orientation\n * * The mesh can be set to updatable with the boolean parameter `updatable` (default false) if its internal geometry is supposed to change once created\n * @param name defines the name of the mesh\n * @param options defines the options used to create the mesh\n * @param scene defines the hosting scene\n * @returns the plane polygonal mesh\n * @see https://doc.babylonjs.com/features/featuresDeepDive/mesh/creation/set#disc-or-regular-polygon\n */\nexport function CreateDisc(name, options = {}, scene = null) {\n const disc = new Mesh(name, scene);\n options.sideOrientation = Mesh._GetDefaultSideOrientation(options.sideOrientation);\n disc._originalBuilderSideOrientation = options.sideOrientation;\n const vertexData = CreateDiscVertexData(options);\n vertexData.applyToMesh(disc, options.updatable);\n return disc;\n}\n/**\n * Class containing static functions to help procedurally build meshes\n * @deprecated please use CreateDisc directly\n */\nexport const DiscBuilder = {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n CreateDisc,\n};\nVertexData.CreateDisc = CreateDiscVertexData;\nMesh.CreateDisc = (name, radius, tessellation, scene = null, updatable, sideOrientation) => {\n const options = {\n radius,\n tessellation,\n sideOrientation,\n updatable,\n };\n return CreateDisc(name, options, scene);\n};\n"],"mappings":"AAAA,SAASA,IAAI,QAAQ,YAAY;AACjC,SAASC,UAAU,QAAQ,uBAAuB;AAClD,SAASC,yBAAyB,QAAQ,sCAAsC;AAChF;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,OAAO,SAASC,oBAAoBA,CAACC,OAAO,EAAE;EAC1C,MAAMC,SAAS,GAAG,EAAE;EACpB,MAAMC,OAAO,GAAG,EAAE;EAClB,MAAMC,OAAO,GAAG,EAAE;EAClB,MAAMC,GAAG,GAAG,EAAE;EACd,MAAMC,MAAM,GAAGL,OAAO,CAACK,MAAM,IAAI,GAAG;EACpC,MAAMC,YAAY,GAAGN,OAAO,CAACM,YAAY,IAAI,EAAE;EAC/C,MAAMC,GAAG,GAAGP,OAAO,CAACO,GAAG,KAAKP,OAAO,CAACO,GAAG,IAAI,CAAC,IAAIP,OAAO,CAACO,GAAG,GAAG,CAAC,CAAC,GAAG,GAAG,GAAGP,OAAO,CAACO,GAAG,IAAI,GAAG;EAC3F,MAAMC,eAAe,GAAGR,OAAO,CAACQ,eAAe,KAAK,CAAC,GAAG,CAAC,GAAGR,OAAO,CAACQ,eAAe,IAAIX,UAAU,CAACY,WAAW;EAC7G;EACAR,SAAS,CAACS,IAAI,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;EACzBN,GAAG,CAACM,IAAI,CAAC,GAAG,EAAE,GAAG,CAAC;EAClB,MAAMC,KAAK,GAAGC,IAAI,CAACC,EAAE,GAAG,CAAC,GAAGN,GAAG;EAC/B,MAAMO,IAAI,GAAGP,GAAG,KAAK,CAAC,GAAGI,KAAK,GAAGL,YAAY,GAAGK,KAAK,IAAIL,YAAY,GAAG,CAAC,CAAC;EAC1E,IAAIS,CAAC,GAAG,CAAC;EACT,KAAK,IAAIC,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGV,YAAY,EAAEU,CAAC,EAAE,EAAE;IACnC,MAAMC,CAAC,GAAGL,IAAI,CAACM,GAAG,CAACH,CAAC,CAAC;IACrB,MAAMI,CAAC,GAAGP,IAAI,CAACQ,GAAG,CAACL,CAAC,CAAC;IACrB,MAAMM,CAAC,GAAG,CAACJ,CAAC,GAAG,CAAC,IAAI,CAAC;IACrB,MAAMK,CAAC,GAAG,CAAC,CAAC,GAAGH,CAAC,IAAI,CAAC;IACrBlB,SAAS,CAACS,IAAI,CAACL,MAAM,GAAGY,CAAC,EAAEZ,MAAM,GAAGc,CAAC,EAAE,CAAC,CAAC;IACzCf,GAAG,CAACM,IAAI,CAACW,CAAC,EAAEvB,yBAAyB,GAAG,CAAC,GAAGwB,CAAC,GAAGA,CAAC,CAAC;IAClDP,CAAC,IAAID,IAAI;EACb;EACA,IAAIP,GAAG,KAAK,CAAC,EAAE;IACXN,SAAS,CAACS,IAAI,CAACT,SAAS,CAAC,CAAC,CAAC,EAAEA,SAAS,CAAC,CAAC,CAAC,EAAEA,SAAS,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IAC1DG,GAAG,CAACM,IAAI,CAACN,GAAG,CAAC,CAAC,CAAC,EAAEN,yBAAyB,GAAG,CAAC,GAAGM,GAAG,CAAC,CAAC,CAAC,GAAGA,GAAG,CAAC,CAAC,CAAC,CAAC;EACrE;EACA;EACA,MAAMmB,QAAQ,GAAGtB,SAAS,CAACuB,MAAM,GAAG,CAAC;EACrC,KAAK,IAAIC,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGF,QAAQ,GAAG,CAAC,EAAEE,CAAC,EAAE,EAAE;IACnCvB,OAAO,CAACQ,IAAI,CAACe,CAAC,GAAG,CAAC,EAAE,CAAC,EAAEA,CAAC,CAAC;EAC7B;EACA;EACA5B,UAAU,CAAC6B,cAAc,CAACzB,SAAS,EAAEC,OAAO,EAAEC,OAAO,CAAC;EACtDN,UAAU,CAAC8B,aAAa,CAACnB,eAAe,EAAEP,SAAS,EAAEC,OAAO,EAAEC,OAAO,EAAEC,GAAG,EAAEJ,OAAO,CAAC4B,QAAQ,EAAE5B,OAAO,CAAC6B,OAAO,CAAC;EAC9G,MAAMC,UAAU,GAAG,IAAIjC,UAAU,CAAC,CAAC;EACnCiC,UAAU,CAAC5B,OAAO,GAAGA,OAAO;EAC5B4B,UAAU,CAAC7B,SAAS,GAAGA,SAAS;EAChC6B,UAAU,CAAC3B,OAAO,GAAGA,OAAO;EAC5B2B,UAAU,CAAC1B,GAAG,GAAGA,GAAG;EACpB,OAAO0B,UAAU;AACrB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,OAAO,SAASC,UAAUA,CAACC,IAAI,EAAEhC,OAAO,GAAG,CAAC,CAAC,EAAEiC,KAAK,GAAG,IAAI,EAAE;EACzD,MAAMC,IAAI,GAAG,IAAItC,IAAI,CAACoC,IAAI,EAAEC,KAAK,CAAC;EAClCjC,OAAO,CAACQ,eAAe,GAAGZ,IAAI,CAACuC,0BAA0B,CAACnC,OAAO,CAACQ,eAAe,CAAC;EAClF0B,IAAI,CAACE,+BAA+B,GAAGpC,OAAO,CAACQ,eAAe;EAC9D,MAAMsB,UAAU,GAAG/B,oBAAoB,CAACC,OAAO,CAAC;EAChD8B,UAAU,CAACO,WAAW,CAACH,IAAI,EAAElC,OAAO,CAACsC,SAAS,CAAC;EAC/C,OAAOJ,IAAI;AACf;AACA;AACA;AACA;AACA;AACA,OAAO,MAAMK,WAAW,GAAG;EACvB;EACAR;AACJ,CAAC;AACDlC,UAAU,CAACkC,UAAU,GAAGhC,oBAAoB;AAC5CH,IAAI,CAACmC,UAAU,GAAG,CAACC,IAAI,EAAE3B,MAAM,EAAEC,YAAY,EAAE2B,KAAK,GAAG,IAAI,EAAEK,SAAS,EAAE9B,eAAe,KAAK;EACxF,MAAMR,OAAO,GAAG;IACZK,MAAM;IACNC,YAAY;IACZE,eAAe;IACf8B;EACJ,CAAC;EACD,OAAOP,UAAU,CAACC,IAAI,EAAEhC,OAAO,EAAEiC,KAAK,CAAC;AAC3C,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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