Babylon.js/dist/preview release/proceduralTexturesLibrary/babylon.starfieldProceduralTexture.min.js

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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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var n=function(t,e){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r])})(t,e)};function o(t,e){function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}function i(t,e,r,n){var o,i=arguments.length,a=i<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(t,e,r,n);else for(var s=t.length-1;s>=0;s--)(o=t[s])&&(a=(i<3?o(a):i>3?o(e,r,a):o(e,r))||a);return i>3&&a&&Object.defineProperty(e,r,a),a}Object.create;Object.create},11:function(t,e,r){"use strict";r.r(e),r.d(e,"StarfieldProceduralTexture",(function(){return a}));var n=r(1),o=r(0),i="precision highp float;\n\n#define volsteps 20\n#define iterations 15\nvarying vec2 vPosition;\nvarying vec2 vUV;\nuniform float time;\nuniform float alpha;\nuniform float beta;\nuniform float zoom;\nuniform float formuparam;\nuniform float stepsize;\nuniform float tile;\nuniform float brightness;\nuniform float darkmatter;\nuniform float distfading;\nuniform float saturation;\nvoid main()\n{\nvec3 dir=vec3(vUV*zoom,1.);\nfloat localTime=time*0.0001;\n\nmat2 rot1=mat2(cos(alpha),sin(alpha),-sin(alpha),cos(alpha));\nmat2 rot2=mat2(cos(beta),sin(beta),-sin(beta),cos(beta));\ndir.xz*=rot1;\ndir.xy*=rot2;\nvec3 from=vec3(1.,.5,0.5);\nfrom+=vec3(-2.,localTime*2.,localTime);\nfrom.xz*=rot1;\nfrom.xy*=rot2;\n\nfloat s=0.1,fade=1.;\nvec3 v=vec3(0.);\nfor (int r=0; r<volsteps; r++) {\nvec3 p=from+s*dir*.5;\np=abs(vec3(tile)-mod(p,vec3(tile*2.)));\nfloat pa,a=pa=0.;\nfor (int i=0; i<iterations; i++) {\np=abs(p)/dot(p,p)-formuparam;\na+=abs(length(p)-pa);\npa=length(p);\n}\nfloat dm=max(0.,darkmatter-a*a*.001);\na*=a*a;\nif (r>6) fade*=1.-dm;\n\nv+=fade;\nv+=vec3(s,s*s,s*s*s*s)*a*brightness*fade;\nfade*=distfading;\ns+=stepsize;\n}\nv=mix(vec3(length(v)),v,saturation);\ngl_FragColor=vec4(v*.01,1.);\n}";o.Effect.ShadersStore.starfieldProceduralTexturePixelShader=i;var a=function(t){function e(e,r,n,o,i){var a=t.call(this,e,r,"starfieldProceduralTexture",n,o,i)||this;return a._time=1,a._alpha=.5,a._beta=.8,a._zoom=.8,a._formuparam=.53,a._stepsize=.1,a._tile=.85,a._brightness=.0015,a._darkmatter=.4,a._distfading=.73,a._saturation=.85,a.updateShaderUniforms(),a}return Object(n.b)(e,t),e.prototype.updateShaderUniforms=function(){this.setFloat("time",this._time),this.setFloat("alpha",this._alpha),this.setFloat("beta",this._beta),this.setFloat("zoom",this._zoom),this.setFloat("formuparam",this._formuparam),this.setFloat("stepsize",this._stepsize),this.setFloat("tile",this._tile),this.setFloat("brightness",this._brightness),this.setFloat("darkmatter",this._darkmatter),this.setFloat("distfading",this._distfading),this.setFloat("saturation",this._saturation)},Object.defineProperty(e.prototype,"time",{get:function(){return this._time},set:function(t){this._time=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"alpha",{get:function(){return this._alpha},set:function(t){this._alpha=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"beta",{get:function(){return this._beta},set:function(t){this._beta=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"formuparam",{get:function(){return this._formuparam},set:function(t){this._formuparam=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"stepsize",{get:function(){return this._stepsize},set:function(t){this._stepsize=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"zoom",{get:function(){return this._zoom},set:function(t){this._zoom=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"tile",{get:function(){return this._tile},set:function(t){this._tile=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"brightness",{get:function(){return this._brightness},set:function(t){this._brightness=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"darkmatter",{get:function(){return this._darkmatter},set:function(t){this._darkmatter=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"distfading",{get:function(){return this._distfading},set:function(t){this._distfading=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"saturation",{get:function(){return this._saturation},set:function(t){this._saturation=t,this.updateShaderUniforms()},enumerable:!1,configurable:!0}),e.prototype.serialize=function(){var e=o.SerializationHelper.Serialize(this,t.prototype.serialize.call(this));return e.customType="BABYLON.StarfieldProceduralTexture",e},e.Parse=function(t,r,n){return o.SerializationHelper.Parse((function(){return new e(t.name,t._size,r,void 0,t._generateMipMaps)}),t,r,n)},Object(n.a)([Object(o.serialize)()],e.prototype,"time",null),Object(n.a)([Object(o.serialize)()],e.prototype,"alpha",null),Object(n.a)([Object(o.serialize)()],e.prototype,"beta",null),Object(n.a)([Object(o.serialize)()],e.prototype,"formuparam",null),Object(n.a)([Object(o.serialize)()],e.prototype,"stepsize",null),Object(n.a)([Object(o.serialize)()],e.prototype,"zoom",null),Object(n.a)([Object(o.serialize)()],e.prototype,"tile",null),Object(n.a)([Object(o.serialize)()],e.prototype,"brightness",null),Object(n.a)([Object(o.serialize)()],e.prototype,"darkmatter",null),Object(n.a)([Object(o.serialize)()],e.prototype,"distfading",null),Object(n.a)([Object(o.serialize)()],e.prototype,"saturation",null),e}(o.ProceduralTexture);o._TypeStore.RegisteredTypes["BABYLON.StarfieldProceduralTexture"]=a},2:function(t,e){var r;r=function(){return this}();try{r=r||new Function("return this")()}catch(t){"object"==typeof window&&(r=window)}t.exports=r},23:function(t,e,r){"use strict";r.r(e),function(t){var n=r(11);r.d(e,"StarfieldProceduralTexture",(function(){return n.StarfieldProceduralTexture}));var o=void 0!==t?t:"undefined"!=typeof window?window:void 0;if(void 0!==o)for(var i in n)o.BABYLON[i]=n[i]}.call(this,r(2))}})}));