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Babylon.js
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proceduralTexturesLibrary
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babylon.perlinNoiseProceduralTexture.min.js

babylon.perlinNoiseProceduralTexture.min.js 6.2 KB
文件历史 原始文件

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  1. !function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("babylonjs")):"function"==typeof define&&define.amd?define("babylonjs-procedural-textures",["babylonjs"],t):"object"==typeof exports?exports["babylonjs-procedural-textures"]=t(require("babylonjs")):e.PROCEDURALTEXTURES=t(e.BABYLON)}("undefined"!=typeof self?self:"undefined"!=typeof global?global:this,(function(e){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=21)}({0:function(t,n){t.exports=e},1:function(e,t,n){"use strict";n.d(t,"b",(function(){return o})),n.d(t,"a",(function(){return i}));
    2. 

  2. /*! *****************************************************************************
    3. 

  3. Copyright (c) Microsoft Corporation.
    4. 

  4. 

  5. Permission to use, copy, modify, and/or distribute this software for any
    6. 

  6. purpose with or without fee is hereby granted.
    7. 

  7. 

  8. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    9. 

  9. REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    10. 

  10. AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    11. 

  11. INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    12. 

  12. LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    13. 

  13. OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    14. 

  14. PERFORMANCE OF THIS SOFTWARE.
    15. 

  15. ***************************************************************************** */
    16. 

  16. var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};function o(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}function i(e,t,n,r){var o,i=arguments.length,c=i<3?t:null===r?r=Object.getOwnPropertyDescriptor(t,n):r;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)c=Reflect.decorate(e,t,n,r);else for(var a=e.length-1;a>=0;a--)(o=e[a])&&(c=(i<3?o(c):i>3?o(t,n,c):o(t,n))||c);return i>3&&c&&Object.defineProperty(t,n,c),c}Object.create;Object.create},2:function(e,t){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(e){"object"==typeof window&&(n=window)}e.exports=n},21:function(e,t,n){"use strict";n.r(t),function(e){var r=n(9);n.d(t,"PerlinNoiseProceduralTexture",(function(){return r.PerlinNoiseProceduralTexture}));var o=void 0!==e?e:"undefined"!=typeof window?window:void 0;if(void 0!==o)for(var i in r)o.BABYLON[i]=r[i]}.call(this,n(2))},9:function(e,t,n){"use strict";n.r(t),n.d(t,"PerlinNoiseProceduralTexture",(function(){return c}));var r=n(1),o=n(0),i="\nprecision highp float;\n\nuniform float size;\nuniform float time;\nuniform float translationSpeed;\n\nvarying vec2 vUV;\n\nfloat r(float n)\n{\nreturn fract(cos(n*89.42)*343.42);\n}\nvec2 r(vec2 n)\n{\nreturn vec2(r(n.x*23.62-300.0+n.y*34.35),r(n.x*45.13+256.0+n.y*38.89));\n}\nfloat worley(vec2 n,float s)\n{\nfloat dis=1.0;\nfor(int x=-1; x<=1; x++)\n{\nfor(int y=-1; y<=1; y++)\n{\nvec2 p=floor(n/s)+vec2(x,y);\nfloat d=length(r(p)+vec2(x,y)-fract(n/s));\nif (dis>d)\ndis=d;\n}\n}\nreturn 1.0-dis;\n}\nvec3 hash33(vec3 p3)\n{\np3=fract(p3*vec3(0.1031,0.11369,0.13787));\np3+=dot(p3,p3.yxz+19.19);\nreturn -1.0+2.0*fract(vec3((p3.x+p3.y)*p3.z,(p3.x+p3.z)*p3.y,(p3.y+p3.z)*p3.x));\n}\nfloat perlinNoise(vec3 p)\n{\nvec3 pi=floor(p);\nvec3 pf=p-pi;\nvec3 w=pf*pf*(3.0-2.0*pf);\nreturn mix(\nmix(\nmix(\ndot(pf-vec3(0,0,0),hash33(pi+vec3(0,0,0))),\ndot(pf-vec3(1,0,0),hash33(pi+vec3(1,0,0))),\nw.x\n),\nmix(\ndot(pf-vec3(0,0,1),hash33(pi+vec3(0,0,1))),\ndot(pf-vec3(1,0,1),hash33(pi+vec3(1,0,1))),\nw.x\n),\nw.z\n),\nmix(\nmix(\ndot(pf-vec3(0,1,0),hash33(pi+vec3(0,1,0))),\ndot(pf-vec3(1,1,0),hash33(pi+vec3(1,1,0))),\nw.x\n),\nmix(\ndot(pf-vec3(0,1,1),hash33(pi+vec3(0,1,1))),\ndot(pf-vec3(1,1,1),hash33(pi+vec3(1,1,1))),\nw.x\n),\nw.z\n),\nw.y\n);\n}\n\nvoid main(void)\n{\nvec2 uv=gl_FragCoord.xy+translationSpeed;\nfloat dis=(\n1.0+perlinNoise(vec3(uv/vec2(size,size),time*0.05)*8.0))\n*(1.0+(worley(uv,32.0)+ 0.5*worley(2.0*uv,32.0)+0.25*worley(4.0*uv,32.0))\n);\ngl_FragColor=vec4(vec3(dis/4.0),1.0);\n}\n";o.Effect.ShadersStore.perlinNoiseProceduralTexturePixelShader=i;var c=function(e){function t(t,n,r,o,i){var c=e.call(this,t,n,"perlinNoiseProceduralTexture",r,o,i)||this;return c.time=0,c.timeScale=1,c.translationSpeed=1,c._currentTranslation=0,c.updateShaderUniforms(),c}return Object(r.b)(t,e),t.prototype.updateShaderUniforms=function(){this.setFloat("size",this.getRenderSize());var e=this.getScene();if(e){var t=e.getEngine().getDeltaTime();this.time+=t,this.setFloat("time",this.time*this.timeScale/1e3),this._currentTranslation+=t*this.translationSpeed/1e3,this.setFloat("translationSpeed",this._currentTranslation)}},t.prototype.render=function(t){this.updateShaderUniforms(),e.prototype.render.call(this,t)},t.prototype.resize=function(t,n){e.prototype.resize.call(this,t,n)},t.prototype.serialize=function(){var t=o.SerializationHelper.Serialize(this,e.prototype.serialize.call(this));return t.customType="BABYLON.PerlinNoiseProceduralTexture",t},t.Parse=function(e,n,r){return o.SerializationHelper.Parse((function(){return new t(e.name,e._size,n,void 0,e._generateMipMaps)}),e,n,r)},Object(r.a)([Object(o.serialize)()],t.prototype,"time",void 0),Object(r.a)([Object(o.serialize)()],t.prototype,"timeScale",void 0),Object(r.a)([Object(o.serialize)()],t.prototype,"translationSpeed",void 0),t}(o.ProceduralTexture);o._TypeStore.RegisteredTypes["BABYLON.PerlinNoiseProceduralTexture"]=c}})}));
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