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6    ${r.getProgramInfoLog(t)}
7    ${r.getShaderInfoLog(i)}
8    ${r.getShaderInfoLog(s)}`)}createProgram(t){let{gl:e}=this,[r,i]=[this.compileShader(e.VERTEX_SHADER,t[0]),this.compileShader(e.FRAGMENT_SHADER,t[1])],s=e.createProgram();if(!s)throw Error("can't create WebGL program");e.attachShader(s,r),e.attachShader(s,i);try{e.linkProgram(s),this.debugPorgram(s)}catch(t){throw e.deleteProgram(s),t}finally{e.deleteShader(r),e.deleteShader(i)}return e.useProgram(s),s}createBuffer(){let{gl:t}=this,e=t.createBuffer();if(!e)throw Error("can't create buffer");return e}setupAttributes(t){let{gl:e,program:r}=this;for(let[i,s]of Object.entries(t)){let t=o.prefixName(i,"a_"),n=this.createBuffer();e.bindBuffer(e.ARRAY_BUFFER,n),e.bufferData(e.ARRAY_BUFFER,s,e.STATIC_DRAW);let a=e.getAttribLocation(r,t);e.enableVertexAttribArray(a),e.vertexAttribPointer(a,3,e.FLOAT,!1,0,0),this._attributes[i]={buffer:n,location:a}}}setAttribute(t,e){let{gl:r}=this;r.bufferData(r.ARRAY_BUFFER,e,r.STATIC_DRAW)}setElements(t){let{gl:e}=this;if(!this._elementBuffer){let t=this.createBuffer();e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,t),this._elementBuffer=t}e.bufferData(e.ELEMENT_ARRAY_BUFFER,t,e.STATIC_DRAW)}createUniformSetter(t,e,r){let{gl:i,program:s}=this,n=`uniform${e}`,o=i.getUniformLocation(s,t),a=t=>{Array.isArray(t)?i[n](o,...t):i[n](o,t)};return r&&a(r),a}

8setupUniforms(t){for(let[e,r]of Object.entries(t)){let t=o.prefixName(e,"u_");void 0===r.type?Array.isArray(r.value)&&r.value.forEach((r,i)=>{for(let[s,n]of Object.entries(r)){let r=`${e}[${i}].${s}`,o=`${t}[${i}].${s}`;this._uniforms[r]=this.createUniformSetter(o,n.type,n.value)}}):this._uniforms[e]=this.createUniformSetter(t,r.type,r.value)}}setUniform(t,e){this._uniforms[t](e)}delete(){let{gl:t}=this;for(let[,e]of(t.deleteProgram(this.program),Object.entries(this._attributes)))this.gl.deleteBuffer(e.buffer)}},a=class{static createGeometry(t,e){let r=Math.ceil(t),i=Math.ceil(e),s=6*r*i,n=new ArrayBuffer(3*(r+1)*(i+1)*4),o=new ArrayBuffer(4*s);for(let t=i,e=0,s=new DataView(n);t>=0;t--){let n=t/i,o=2*n-1;for(let t=r;t>=0;t--,e+=3){let i=t/r*2-1;s.setFloat32((e+0)*4,i,!0),s.setFloat32((e+1)*4,o,!0),s.setFloat32((e+2)*4,n,!0)}}let a=r+1;for(let t=0,e=0,s=new DataView(o);t<i;t++)for(let i=0;i<r;i++,e+=6)s.setUint32((e+0)*4,(t+0)*a+i,!0),s.setUint32((e+1)*4,(t+0)*a+i+1,!0),s.setUint32((e+2)*4,(t+1)*a+i,!0),s.setUint32((e+3)*4,(t+0)*a+i+1,!0),s.setUint32((e+4)*4,(t+1)*a+i+1,!0),s.setUint32((e+5)*4,(t+1)*a+i,!0);return{positions:n,indices:o,count:s}}constructor(t,e){let r=t.getContext("webgl2",{antialias:!0,depth:!1,powerPreference:"low-power"});if(!r)throw Error("can't get WebGL2 context");let{amplitude:u=320,colors:l=["#ef008f","#6ec3f4","#7038ff","#ffba27"],density:c=[.06,.16],fps:h=24,seed:d=0,speed:f=1.25,time:m=0,wireframe:p=!1}=null!=e?e:{},{clientWidth:v,clientHeight:y}=t;t.width=v,t.height=y,r.viewport(0,0,v,y),r.enable(r.CULL_FACE),r.disable(r.DITHER),r.disable(r.DEPTH_TEST);let b=a.createGeometry(v*c[0],y*c[1]),g=new o({gl:r,shaders:[i,s],attributes:{position:b.positions},elements:b.indices,uniforms:{amplitude:{value:u,type:"1f"},baseColor:{value:n(l[0]),type:"3f"},realtime:{value:m,type:"1f"},resolution:{value:[v,y],type:"2f"},seed:{value:d,type:"1f"},shadowPower:{value:6,type:"1f"},layerCount:{value:l.length-1,type:"1i"},waveLayers:{value:l.slice(1).map((t,e,r)=>{let i=(e+1)/r.length+1;return{noiseCeil:{value:.63+.07*(e+1),type:"1f"},noiseFloor:{value:.1,type:"1f"},noiseFlow:{value:6.5+.3*(e+1),type:"1f"},noiseSeed:{value:d+10*(e+1),type:"1f"},noiseSpeed:{value:11+.3*(e+1),type:"1f"},noiseFreq:{value:[2+i,3+i],type:"2f"},color:{value:n(t),type:"3f"}}})}}});this.gl=r,this.clipSpace=g,this.density=c,this.speed=f,this.frameInterval=1e3/h,this.lastFrameTime=0,this.shouldRender=!0,this.drawMode=p?this.gl.LINES:this.gl.TRIANGLES,this.drawCount=b.count,this.time=m,requestAnimationFrame(t=>{this.render(t)})}resize(){let{gl:t,gl:{canvas:e},clipSpace:r}=this,{width:i,clientWidth:s,height:n,clientHeight:o}=e;if(i!==s||n!==o){e.width=s,e.height=o,t.viewport(0,0,s,o),this.clipSpace.setUniform("resolution",[s,o]);let i=a.createGeometry(s*this.density[0],o*this.density[1]);r.setAttribute("position",i.positions),r.setElements(i.indices),this.drawCount=i.count}}render(t){if(!this.shouldRender)return;requestAnimationFrame(t=>{this.render(t)});let e=t-this.lastFrameTime;if(e<this.frameInterval){Math.random()>.75==!0&&this.resize();return}this.lastFrameTime=t-e%this.frameInterval,this.time+=Math.min(e,this.frameInterval)*this.speed,this.clipSpace.setUniform("realtime",this.time),this.gl.drawElements(this.drawMode,this.drawCount,this.gl.UNSIGNED_INT,0)}destroy(){this.clipSpace.delete(),delete this.gl,this.shouldRender=!1}}}}]);