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

var __extends=this&&this.__extends||(function(){var t=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])};return function(e,r){function i(){this.constructor=e}t(e,r),e.prototype=null===r?Object.create(r):(i.prototype=r.prototype,new i)}})(),__decorate=this&&this.__decorate||function(t,e,r,i){var n,o=arguments.length,a=o<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(t,e,r,i);else for(var s=t.length-1;s>=0;s--)(n=t[s])&&(a=(o<3?n(a):o>3?n(e,r,a):n(e,r))||a);return o>3&&a&&Object.defineProperty(e,r,a),a},BABYLON;!(function(t){var e=(function(e){function r(t,r,i,n,o){var a=e.call(this,t,r,"starfieldProceduralTexture",i,n,o)||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 __extends(r,e),r.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(r.prototype,"time",{get:function(){return this._time},set:function(t){this._time=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"alpha",{get:function(){return this._alpha},set:function(t){this._alpha=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"beta",{get:function(){return this._beta},set:function(t){this._beta=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"formuparam",{get:function(){return this._formuparam},set:function(t){this._formuparam=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"stepsize",{get:function(){return this._stepsize},set:function(t){this._stepsize=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"zoom",{get:function(){return this._zoom},set:function(t){this._zoom=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"tile",{get:function(){return this._tile},set:function(t){this._tile=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"brightness",{get:function(){return this._brightness},set:function(t){this._brightness=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"darkmatter",{get:function(){return this._darkmatter},set:function(t){this._darkmatter=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"distfading",{get:function(){return this._distfading},set:function(t){this._distfading=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),Object.defineProperty(r.prototype,"saturation",{get:function(){return this._saturation},set:function(t){this._saturation=t,this.updateShaderUniforms()},enumerable:!0,configurable:!0}),r.prototype.serialize=function(){var r=t.SerializationHelper.Serialize(this,e.prototype.serialize.call(this));return r.customType="BABYLON.StarfieldProceduralTexture",r},r.Parse=function(e,i,n){return t.SerializationHelper.Parse((function(){return new r(e.name,e._size,i,void 0,e._generateMipMaps)}),e,i,n)},__decorate([t.serialize()],r.prototype,"time",null),__decorate([t.serialize()],r.prototype,"alpha",null),__decorate([t.serialize()],r.prototype,"beta",null),__decorate([t.serialize()],r.prototype,"formuparam",null),__decorate([t.serialize()],r.prototype,"stepsize",null),__decorate([t.serialize()],r.prototype,"zoom",null),__decorate([t.serialize()],r.prototype,"tile",null),__decorate([t.serialize()],r.prototype,"brightness",null),__decorate([t.serialize()],r.prototype,"darkmatter",null),__decorate([t.serialize()],r.prototype,"distfading",null),__decorate([t.serialize()],r.prototype,"saturation",null),r})(t.ProceduralTexture);t.StarfieldProceduralTexture=e})(BABYLON||(BABYLON={})),BABYLON.Effect.ShadersStore.starfieldProceduralTexturePixelShader="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}";