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- {"ast":null,"code":"import { NodeMaterialBlock } from \"../nodeMaterialBlock.js\";\nimport { NodeMaterialBlockConnectionPointTypes } from \"../Enums/nodeMaterialBlockConnectionPointTypes.js\";\nimport { NodeMaterialBlockTargets } from \"../Enums/nodeMaterialBlockTargets.js\";\nimport { RegisterClass } from \"../../../Misc/typeStore.js\";\n/**\n * block used to Generate a Simplex Perlin 3d Noise Pattern\n */\n//\n// Wombat\n// An efficient texture-free GLSL procedural noise library\n// Source: https://github.com/BrianSharpe/Wombat\n// Derived from: https://github.com/BrianSharpe/GPU-Noise-Lib\n//\n// I'm not one for copyrights. Use the code however you wish.\n// All I ask is that credit be given back to the blog or myself when appropriate.\n// And also to let me know if you come up with any changes, improvements, thoughts or interesting uses for this stuff. :)\n// Thanks!\n//\n// Brian Sharpe\n// brisharpe CIRCLE_A yahoo DOT com\n// http://briansharpe.wordpress.com\n// https://github.com/BrianSharpe\n//\n//\n// This is a modified version of Stefan Gustavson's and Ian McEwan's work at http://github.com/ashima/webgl-noise\n// Modifications are...\n// - faster random number generation\n// - analytical final normalization\n// - space scaled can have an approx feature size of 1.0\n// - filter kernel changed to fix discontinuities at tetrahedron boundaries\n//\n// Converted to BJS by Pryme8\n//\n// Simplex Perlin Noise 3D\n// Return value range of -1.0->1.0\n//\nexport class SimplexPerlin3DBlock extends NodeMaterialBlock {\n /**\n * Creates a new SimplexPerlin3DBlock\n * @param name defines the block name\n */\n constructor(name) {\n super(name, NodeMaterialBlockTargets.Neutral);\n this.registerInput(\"seed\", NodeMaterialBlockConnectionPointTypes.Vector3);\n this.registerOutput(\"output\", NodeMaterialBlockConnectionPointTypes.Float);\n }\n /**\n * Gets the current class name\n * @returns the class name\n */\n getClassName() {\n return \"SimplexPerlin3DBlock\";\n }\n /**\n * Gets the seed operand input component\n */\n get seed() {\n return this._inputs[0];\n }\n /**\n * Gets the output component\n */\n get output() {\n return this._outputs[0];\n }\n _buildBlock(state) {\n super._buildBlock(state);\n if (!this.seed.isConnected) {\n return;\n }\n if (!this._outputs[0].hasEndpoints) {\n return;\n }\n let functionString = `const float SKEWFACTOR = 1.0/3.0;\\n`;\n functionString += `const float UNSKEWFACTOR = 1.0/6.0;\\n`;\n functionString += `const float SIMPLEX_CORNER_POS = 0.5;\\n`;\n functionString += `const float SIMPLEX_TETRAHADRON_HEIGHT = 0.70710678118654752440084436210485;\\n`;\n functionString += `float SimplexPerlin3D( vec3 source ){\\n`;\n functionString += ` vec3 P = source;\\n`;\n functionString += ` P.x = [P.x == 0. && P.y == 0. && P.z == 0. ? 0.00001 : P.x];\\n`;\n functionString += ` P *= SIMPLEX_TETRAHADRON_HEIGHT;\\n`;\n functionString += ` vec3 Pi = floor( P + dot( P, vec3( SKEWFACTOR) ) );`;\n functionString += ` vec3 x0 = P - Pi + dot(Pi, vec3( UNSKEWFACTOR ) );\\n`;\n functionString += ` vec3 g = step(x0.yzx, x0.xyz);\\n`;\n functionString += ` vec3 l = 1.0 - g;\\n`;\n functionString += ` vec3 Pi_1 = min( g.xyz, l.zxy );\\n`;\n functionString += ` vec3 Pi_2 = max( g.xyz, l.zxy );\\n`;\n functionString += ` vec3 x1 = x0 - Pi_1 + UNSKEWFACTOR;\\n`;\n functionString += ` vec3 x2 = x0 - Pi_2 + SKEWFACTOR;\\n`;\n functionString += ` vec3 x3 = x0 - SIMPLEX_CORNER_POS;\\n`;\n functionString += ` vec4 v1234_x = vec4( x0.x, x1.x, x2.x, x3.x );\\n`;\n functionString += ` vec4 v1234_y = vec4( x0.y, x1.y, x2.y, x3.y );\\n`;\n functionString += ` vec4 v1234_z = vec4( x0.z, x1.z, x2.z, x3.z );\\n`;\n functionString += ` Pi = Pi.xyz - floor(Pi.xyz * ( 1.0 / 69.0 )) * 69.0;\\n`;\n functionString += ` vec3 Pi_inc1 = step( Pi, vec3( 69.0 - 1.5 ) ) * ( Pi + 1.0 );\\n`;\n functionString += ` vec4 Pt = vec4( Pi.xy, Pi_inc1.xy ) + vec2( 50.0, 161.0 ).xyxy;\\n`;\n functionString += ` Pt *= Pt;\\n`;\n functionString += ` vec4 V1xy_V2xy = mix( Pt.xyxy, Pt.zwzw, vec4( Pi_1.xy, Pi_2.xy ) );\\n`;\n functionString += ` Pt = vec4( Pt.x, V1xy_V2xy.xz, Pt.z ) * vec4( Pt.y, V1xy_V2xy.yw, Pt.w );\\n`;\n functionString += ` const vec3 SOMELARGEFLOATS = vec3( 635.298681, 682.357502, 668.926525 );\\n`;\n functionString += ` const vec3 ZINC = vec3( 48.500388, 65.294118, 63.934599 );\\n`;\n functionString += ` vec3 lowz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi.zzz * ZINC.xyz ) );\\n`;\n functionString += ` vec3 highz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi_inc1.zzz * ZINC.xyz ) );\\n`;\n functionString += ` Pi_1 = [( Pi_1.z < 0.5 ) ? lowz_mods : highz_mods];\\n`;\n functionString += ` Pi_2 = [( Pi_2.z < 0.5 ) ? lowz_mods : highz_mods];\\n`;\n functionString += ` vec4 hash_0 = fract( Pt * vec4( lowz_mods.x, Pi_1.x, Pi_2.x, highz_mods.x ) ) - 0.49999;\\n`;\n functionString += ` vec4 hash_1 = fract( Pt * vec4( lowz_mods.y, Pi_1.y, Pi_2.y, highz_mods.y ) ) - 0.49999;\\n`;\n functionString += ` vec4 hash_2 = fract( Pt * vec4( lowz_mods.z, Pi_1.z, Pi_2.z, highz_mods.z ) ) - 0.49999;\\n`;\n functionString += ` vec4 grad_results = inversesqrt( hash_0 * hash_0 + hash_1 * hash_1 + hash_2 * hash_2 ) * ( hash_0 * v1234_x + hash_1 * v1234_y + hash_2 * v1234_z );\\n`;\n functionString += ` const float FINAL_NORMALIZATION = 37.837227241611314102871574478976;\\n`;\n functionString += ` vec4 kernel_weights = v1234_x * v1234_x + v1234_y * v1234_y + v1234_z * v1234_z;\\n`;\n functionString += ` kernel_weights = max(0.5 - kernel_weights, vec4(0.));\\n`;\n functionString += ` kernel_weights = kernel_weights*kernel_weights*kernel_weights;\\n`;\n functionString += ` return dot( kernel_weights, grad_results ) * FINAL_NORMALIZATION;\\n`;\n functionString += `}\\n`;\n if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n functionString = state._babylonSLtoWGSL(functionString);\n } else {\n functionString = state._babylonSLtoGLSL(functionString);\n }\n state._emitFunction(\"SimplexPerlin3D\", functionString, \"// SimplexPerlin3D\");\n state.compilationString += state._declareOutput(this._outputs[0]) + ` = SimplexPerlin3D(${this.seed.associatedVariableName});\\n`;\n return this;\n }\n}\nRegisterClass(\"BABYLON.SimplexPerlin3DBlock\", SimplexPerlin3DBlock);","map":{"version":3,"names":["NodeMaterialBlock","NodeMaterialBlockConnectionPointTypes","NodeMaterialBlockTargets","RegisterClass","SimplexPerlin3DBlock","constructor","name","Neutral","registerInput","Vector3","registerOutput","Float","getClassName","seed","_inputs","output","_outputs","_buildBlock","state","isConnected","hasEndpoints","functionString","shaderLanguage","_babylonSLtoWGSL","_babylonSLtoGLSL","_emitFunction","compilationString","_declareOutput","associatedVariableName"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Materials/Node/Blocks/simplexPerlin3DBlock.js"],"sourcesContent":["import { NodeMaterialBlock } from \"../nodeMaterialBlock.js\";\nimport { NodeMaterialBlockConnectionPointTypes } from \"../Enums/nodeMaterialBlockConnectionPointTypes.js\";\nimport { NodeMaterialBlockTargets } from \"../Enums/nodeMaterialBlockTargets.js\";\nimport { RegisterClass } from \"../../../Misc/typeStore.js\";\n/**\n * block used to Generate a Simplex Perlin 3d Noise Pattern\n */\n//\n// Wombat\n// An efficient texture-free GLSL procedural noise library\n// Source: https://github.com/BrianSharpe/Wombat\n// Derived from: https://github.com/BrianSharpe/GPU-Noise-Lib\n//\n// I'm not one for copyrights. Use the code however you wish.\n// All I ask is that credit be given back to the blog or myself when appropriate.\n// And also to let me know if you come up with any changes, improvements, thoughts or interesting uses for this stuff. :)\n// Thanks!\n//\n// Brian Sharpe\n// brisharpe CIRCLE_A yahoo DOT com\n// http://briansharpe.wordpress.com\n// https://github.com/BrianSharpe\n//\n//\n// This is a modified version of Stefan Gustavson's and Ian McEwan's work at http://github.com/ashima/webgl-noise\n// Modifications are...\n// - faster random number generation\n// - analytical final normalization\n// - space scaled can have an approx feature size of 1.0\n// - filter kernel changed to fix discontinuities at tetrahedron boundaries\n//\n// Converted to BJS by Pryme8\n//\n// Simplex Perlin Noise 3D\n// Return value range of -1.0->1.0\n//\nexport class SimplexPerlin3DBlock extends NodeMaterialBlock {\n /**\n * Creates a new SimplexPerlin3DBlock\n * @param name defines the block name\n */\n constructor(name) {\n super(name, NodeMaterialBlockTargets.Neutral);\n this.registerInput(\"seed\", NodeMaterialBlockConnectionPointTypes.Vector3);\n this.registerOutput(\"output\", NodeMaterialBlockConnectionPointTypes.Float);\n }\n /**\n * Gets the current class name\n * @returns the class name\n */\n getClassName() {\n return \"SimplexPerlin3DBlock\";\n }\n /**\n * Gets the seed operand input component\n */\n get seed() {\n return this._inputs[0];\n }\n /**\n * Gets the output component\n */\n get output() {\n return this._outputs[0];\n }\n _buildBlock(state) {\n super._buildBlock(state);\n if (!this.seed.isConnected) {\n return;\n }\n if (!this._outputs[0].hasEndpoints) {\n return;\n }\n let functionString = `const float SKEWFACTOR = 1.0/3.0;\\n`;\n functionString += `const float UNSKEWFACTOR = 1.0/6.0;\\n`;\n functionString += `const float SIMPLEX_CORNER_POS = 0.5;\\n`;\n functionString += `const float SIMPLEX_TETRAHADRON_HEIGHT = 0.70710678118654752440084436210485;\\n`;\n functionString += `float SimplexPerlin3D( vec3 source ){\\n`;\n functionString += ` vec3 P = source;\\n`;\n functionString += ` P.x = [P.x == 0. && P.y == 0. && P.z == 0. ? 0.00001 : P.x];\\n`;\n functionString += ` P *= SIMPLEX_TETRAHADRON_HEIGHT;\\n`;\n functionString += ` vec3 Pi = floor( P + dot( P, vec3( SKEWFACTOR) ) );`;\n functionString += ` vec3 x0 = P - Pi + dot(Pi, vec3( UNSKEWFACTOR ) );\\n`;\n functionString += ` vec3 g = step(x0.yzx, x0.xyz);\\n`;\n functionString += ` vec3 l = 1.0 - g;\\n`;\n functionString += ` vec3 Pi_1 = min( g.xyz, l.zxy );\\n`;\n functionString += ` vec3 Pi_2 = max( g.xyz, l.zxy );\\n`;\n functionString += ` vec3 x1 = x0 - Pi_1 + UNSKEWFACTOR;\\n`;\n functionString += ` vec3 x2 = x0 - Pi_2 + SKEWFACTOR;\\n`;\n functionString += ` vec3 x3 = x0 - SIMPLEX_CORNER_POS;\\n`;\n functionString += ` vec4 v1234_x = vec4( x0.x, x1.x, x2.x, x3.x );\\n`;\n functionString += ` vec4 v1234_y = vec4( x0.y, x1.y, x2.y, x3.y );\\n`;\n functionString += ` vec4 v1234_z = vec4( x0.z, x1.z, x2.z, x3.z );\\n`;\n functionString += ` Pi = Pi.xyz - floor(Pi.xyz * ( 1.0 / 69.0 )) * 69.0;\\n`;\n functionString += ` vec3 Pi_inc1 = step( Pi, vec3( 69.0 - 1.5 ) ) * ( Pi + 1.0 );\\n`;\n functionString += ` vec4 Pt = vec4( Pi.xy, Pi_inc1.xy ) + vec2( 50.0, 161.0 ).xyxy;\\n`;\n functionString += ` Pt *= Pt;\\n`;\n functionString += ` vec4 V1xy_V2xy = mix( Pt.xyxy, Pt.zwzw, vec4( Pi_1.xy, Pi_2.xy ) );\\n`;\n functionString += ` Pt = vec4( Pt.x, V1xy_V2xy.xz, Pt.z ) * vec4( Pt.y, V1xy_V2xy.yw, Pt.w );\\n`;\n functionString += ` const vec3 SOMELARGEFLOATS = vec3( 635.298681, 682.357502, 668.926525 );\\n`;\n functionString += ` const vec3 ZINC = vec3( 48.500388, 65.294118, 63.934599 );\\n`;\n functionString += ` vec3 lowz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi.zzz * ZINC.xyz ) );\\n`;\n functionString += ` vec3 highz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi_inc1.zzz * ZINC.xyz ) );\\n`;\n functionString += ` Pi_1 = [( Pi_1.z < 0.5 ) ? lowz_mods : highz_mods];\\n`;\n functionString += ` Pi_2 = [( Pi_2.z < 0.5 ) ? lowz_mods : highz_mods];\\n`;\n functionString += ` vec4 hash_0 = fract( Pt * vec4( lowz_mods.x, Pi_1.x, Pi_2.x, highz_mods.x ) ) - 0.49999;\\n`;\n functionString += ` vec4 hash_1 = fract( Pt * vec4( lowz_mods.y, Pi_1.y, Pi_2.y, highz_mods.y ) ) - 0.49999;\\n`;\n functionString += ` vec4 hash_2 = fract( Pt * vec4( lowz_mods.z, Pi_1.z, Pi_2.z, highz_mods.z ) ) - 0.49999;\\n`;\n functionString += ` vec4 grad_results = inversesqrt( hash_0 * hash_0 + hash_1 * hash_1 + hash_2 * hash_2 ) * ( hash_0 * v1234_x + hash_1 * v1234_y + hash_2 * v1234_z );\\n`;\n functionString += ` const float FINAL_NORMALIZATION = 37.837227241611314102871574478976;\\n`;\n functionString += ` vec4 kernel_weights = v1234_x * v1234_x + v1234_y * v1234_y + v1234_z * v1234_z;\\n`;\n functionString += ` kernel_weights = max(0.5 - kernel_weights, vec4(0.));\\n`;\n functionString += ` kernel_weights = kernel_weights*kernel_weights*kernel_weights;\\n`;\n functionString += ` return dot( kernel_weights, grad_results ) * FINAL_NORMALIZATION;\\n`;\n functionString += `}\\n`;\n if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n functionString = state._babylonSLtoWGSL(functionString);\n }\n else {\n functionString = state._babylonSLtoGLSL(functionString);\n }\n state._emitFunction(\"SimplexPerlin3D\", functionString, \"// SimplexPerlin3D\");\n state.compilationString += state._declareOutput(this._outputs[0]) + ` = SimplexPerlin3D(${this.seed.associatedVariableName});\\n`;\n return this;\n }\n}\nRegisterClass(\"BABYLON.SimplexPerlin3DBlock\", SimplexPerlin3DBlock);\n"],"mappings":"AAAA,SAASA,iBAAiB,QAAQ,yBAAyB;AAC3D,SAASC,qCAAqC,QAAQ,mDAAmD;AACzG,SAASC,wBAAwB,QAAQ,sCAAsC;AAC/E,SAASC,aAAa,QAAQ,4BAA4B;AAC1D;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,OAAO,MAAMC,oBAAoB,SAASJ,iBAAiB,CAAC;EACxD;AACJ;AACA;AACA;EACIK,WAAWA,CAACC,IAAI,EAAE;IACd,KAAK,CAACA,IAAI,EAAEJ,wBAAwB,CAACK,OAAO,CAAC;IAC7C,IAAI,CAACC,aAAa,CAAC,MAAM,EAAEP,qCAAqC,CAACQ,OAAO,CAAC;IACzE,IAAI,CAACC,cAAc,CAAC,QAAQ,EAAET,qCAAqC,CAACU,KAAK,CAAC;EAC9E;EACA;AACJ;AACA;AACA;EACIC,YAAYA,CAAA,EAAG;IACX,OAAO,sBAAsB;EACjC;EACA;AACJ;AACA;EACI,IAAIC,IAAIA,CAAA,EAAG;IACP,OAAO,IAAI,CAACC,OAAO,CAAC,CAAC,CAAC;EAC1B;EACA;AACJ;AACA;EACI,IAAIC,MAAMA,CAAA,EAAG;IACT,OAAO,IAAI,CAACC,QAAQ,CAAC,CAAC,CAAC;EAC3B;EACAC,WAAWA,CAACC,KAAK,EAAE;IACf,KAAK,CAACD,WAAW,CAACC,KAAK,CAAC;IACxB,IAAI,CAAC,IAAI,CAACL,IAAI,CAACM,WAAW,EAAE;MACxB;IACJ;IACA,IAAI,CAAC,IAAI,CAACH,QAAQ,CAAC,CAAC,CAAC,CAACI,YAAY,EAAE;MAChC;IACJ;IACA,IAAIC,cAAc,GAAG,qCAAqC;IAC1DA,cAAc,IAAI,uCAAuC;IACzDA,cAAc,IAAI,yCAAyC;IAC3DA,cAAc,IAAI,gFAAgF;IAClGA,cAAc,IAAI,yCAAyC;IAC3DA,cAAc,IAAI,wBAAwB;IAC1CA,cAAc,IAAI,oEAAoE;IACtFA,cAAc,IAAI,wCAAwC;IAC1DA,cAAc,IAAI,yDAAyD;IAC3EA,cAAc,IAAI,0DAA0D;IAC5EA,cAAc,IAAI,sCAAsC;IACxDA,cAAc,IAAI,yBAAyB;IAC3CA,cAAc,IAAI,wCAAwC;IAC1DA,cAAc,IAAI,wCAAwC;IAC1DA,cAAc,IAAI,2CAA2C;IAC7DA,cAAc,IAAI,yCAAyC;IAC3DA,cAAc,IAAI,0CAA0C;IAC5DA,cAAc,IAAI,sDAAsD;IACxEA,cAAc,IAAI,sDAAsD;IACxEA,cAAc,IAAI,sDAAsD;IACxEA,cAAc,IAAI,4DAA4D;IAC9EA,cAAc,IAAI,qEAAqE;IACvFA,cAAc,IAAI,uEAAuE;IACzFA,cAAc,IAAI,iBAAiB;IACnCA,cAAc,IAAI,2EAA2E;IAC7FA,cAAc,IAAI,iFAAiF;IACnGA,cAAc,IAAI,gFAAgF;IAClGA,cAAc,IAAI,kEAAkE;IACpFA,cAAc,IAAI,mFAAmF;IACrGA,cAAc,IAAI,yFAAyF;IAC3GA,cAAc,IAAI,2DAA2D;IAC7EA,cAAc,IAAI,2DAA2D;IAC7EA,cAAc,IAAI,gGAAgG;IAClHA,cAAc,IAAI,gGAAgG;IAClHA,cAAc,IAAI,gGAAgG;IAClHA,cAAc,IAAI,4JAA4J;IAC9KA,cAAc,IAAI,4EAA4E;IAC9FA,cAAc,IAAI,wFAAwF;IAC1GA,cAAc,IAAI,6DAA6D;IAC/EA,cAAc,IAAI,sEAAsE;IACxFA,cAAc,IAAI,yEAAyE;IAC3FA,cAAc,IAAI,KAAK;IACvB,IAAIH,KAAK,CAACI,cAAc,KAAK,CAAC,CAAC,2BAA2B;MACtDD,cAAc,GAAGH,KAAK,CAACK,gBAAgB,CAACF,cAAc,CAAC;IAC3D,CAAC,MACI;MACDA,cAAc,GAAGH,KAAK,CAACM,gBAAgB,CAACH,cAAc,CAAC;IAC3D;IACAH,KAAK,CAACO,aAAa,CAAC,iBAAiB,EAAEJ,cAAc,EAAE,oBAAoB,CAAC;IAC5EH,KAAK,CAACQ,iBAAiB,IAAIR,KAAK,CAACS,cAAc,CAAC,IAAI,CAACX,QAAQ,CAAC,CAAC,CAAC,CAAC,GAAG,sBAAsB,IAAI,CAACH,IAAI,CAACe,sBAAsB,MAAM;IAChI,OAAO,IAAI;EACf;AACJ;AACAzB,aAAa,CAAC,8BAA8B,EAAEC,oBAAoB,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}
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