vanta.fog.min.js

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null==e&&(e=0),null==t&&(t=1),Math.floor(e+Math.random()*(t-e+1))}const a=e=>document.querySelector(e),u=e=>"number"==typeof e?"#"+("00000"+e.toString(16)).slice(-6):e,c=(e,t=1)=>{const i=u(e),o=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(i),n=o?{r:parseInt(o[1],16),g:parseInt(o[2],16),b:parseInt(o[3],16)}:null;return"rgba("+n.r+","+n.g+","+n.b+","+t+")"},l=e=>.299*e.r+.587*e.g+.114*e.b},function(e,t,i){"use strict";i.d(t,"a",function(){return r});var o=i(0);const n="object"==typeof window;let s=n&&window.THREE||{};n&&!window.VANTA&&(window.VANTA={});const r=n&&window.VANTA||{};r.register=(e,t)=>r[e]=e=>new t(e),r.version="0.5.17";const h=function(){return Array.prototype.unshift.call(arguments,"[VANTA]"),console.error.apply(this,arguments)};r.VantaBase=class{constructor(e={}){if(!n)return!1;r.current=this,this.windowMouseMoveWrapper=this.windowMouseMoveWrapper.bind(this),this.windowTouchWrapper=this.windowTouchWrapper.bind(this),this.windowGyroWrapper=this.windowGyroWrapper.bind(this),this.resize=this.resize.bind(this),this.animationLoop=this.animationLoop.bind(this),this.restart=this.restart.bind(this);const t="function"==typeof this.getDefaultOptions?this.getDefaultOptions():this.defaultOptions;if(this.options=Object(o.c)({mouseControls:!0,touchControls:!0,gyroControls:!1,minHeight:200,minWidth:200,scale:1,scaleMobile:1},t),(e instanceof HTMLElement||"string"==typeof e)&&(e={el:e}),Object(o.c)(this.options,e),this.options.THREE&&(s=this.options.THREE),this.el=this.options.el,null==this.el)h('Instance needs "el" param!');else if(!(this.options.el instanceof HTMLElement)){const e=this.el;if(this.el=Object(o.f)(e),!this.el)return void h("Cannot find element",e)}this.prepareEl(),this.initThree(),this.setSize();try{this.init()}catch(e){return h("Init error",e),this.renderer&&this.renderer.domElement&&this.el.removeChild(this.renderer.domElement),void(this.options.backgroundColor&&(console.log("[VANTA] Falling back to backgroundColor"),this.el.style.background=Object(o.a)(this.options.backgroundColor)))}this.initMouse(),this.resize(),this.animationLoop();const i=window.addEventListener;i("resize",this.resize),window.requestAnimationFrame(this.resize),this.options.mouseControls&&(i("scroll",this.windowMouseMoveWrapper),i("mousemove",this.windowMouseMoveWrapper)),this.options.touchControls&&(i("touchstart",this.windowTouchWrapper),i("touchmove",this.windowTouchWrapper)),this.options.gyroControls&&i("deviceorientation",this.windowGyroWrapper)}setOptions(e={}){Object(o.c)(this.options,e),this.triggerMouseMove()}prepareEl(){let e,t;if("undefined"!=typeof Node&&Node.TEXT_NODE)for(e=0;e<this.el.childNodes.length;e++){const t=this.el.childNodes[e];if(t.nodeType===Node.TEXT_NODE){const e=document.createElement("span");e.textContent=t.textContent,t.parentElement.insertBefore(e,t),t.remove()}}for(e=0;e<this.el.children.length;e++)t=this.el.children[e],"static"===getComputedStyle(t).position&&(t.style.position="relative"),"auto"===getComputedStyle(t).zIndex&&(t.style.zIndex=1);"static"===getComputedStyle(this.el).position&&(this.el.style.position="relative")}applyCanvasStyles(e,t={}){Object(o.c)(e.style,{position:"absolute",zIndex:0,top:0,left:0,background:""}),Object(o.c)(e.style,t),e.classList.add("vanta-canvas")}initThree(){s.WebGLRenderer?(this.renderer=new s.WebGLRenderer({alpha:!0,antialias:!0}),this.el.appendChild(this.renderer.domElement),this.applyCanvasStyles(this.renderer.domElement),isNaN(this.options.backgroundAlpha)&&(this.options.backgroundAlpha=1),this.scene=new s.Scene):console.warn("[VANTA] No THREE defined on window")}getCanvasElement(){return this.renderer?this.renderer.domElement:this.p5renderer?this.p5renderer.canvas:void 0}getCanvasRect(){const e=this.getCanvasElement();return!!e&&e.getBoundingClientRect()}windowMouseMoveWrapper(e){const t=this.getCanvasRect();if(!t)return!1;const i=e.clientX-t.left,o=e.clientY-t.top;i>=0&&o>=0&&i<=t.width&&o<=t.height&&(this.mouseX=i,this.mouseY=o,this.options.mouseEase||this.triggerMouseMove(i,o))}windowTouchWrapper(e){const t=this.getCanvasRect();if(!t)return!1;if(1===e.touches.length){const i=e.touches[0].clientX-t.left,o=e.touches[0].clientY-t.top;i>=0&&o>=0&&i<=t.width&&o<=t.height&&(this.mouseX=i,this.mouseY=o,this.options.mouseEase||this.triggerMouseMove(i,o))}}windowGyroWrapper(e){const t=this.getCanvasRect();if(!t)return!1;const i=Math.round(2*e.alpha)-t.left,o=Math.round(2*e.beta)-t.top;i>=0&&o>=0&&i<=t.width&&o<=t.height&&(this.mouseX=i,this.mouseY=o,this.options.mouseEase||this.triggerMouseMove(i,o))}triggerMouseMove(e,t){void 0===e&&void 0===t&&(this.options.mouseEase?(e=this.mouseEaseX,t=this.mouseEaseY):(e=this.mouseX,t=this.mouseY)),this.uniforms&&(this.uniforms.iMouse.value.x=e/this.scale,this.uniforms.iMouse.value.y=t/this.scale);const i=e/this.width,o=t/this.height;"function"==typeof this.onMouseMove&&this.onMouseMove(i,o)}setSize(){this.scale||(this.scale=1),Object(o.e)()&&this.options.scaleMobile?this.scale=this.options.scaleMobile:this.options.scale&&(this.scale=this.options.scale),this.width=Math.max(this.el.offsetWidth,this.options.minWidth),this.height=Math.max(this.el.offsetHeight,this.options.minHeight)}initMouse(){(!this.mouseX&&!this.mouseY||this.mouseX===this.options.minWidth/2&&this.mouseY===this.options.minHeight/2)&&(this.mouseX=this.width/2,this.mouseY=this.height/2,this.triggerMouseMove(this.mouseX,this.mouseY))}resize(){this.setSize(),this.camera&&(this.camera.aspect=this.width/this.height,"function"==typeof this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix()),this.renderer&&(this.renderer.setSize(this.width,this.height),this.renderer.setPixelRatio(window.devicePixelRatio/this.scale)),"function"==typeof this.onResize&&this.onResize()}isOnScreen(){const e=this.el.offsetHeight,t=this.el.getBoundingClientRect(),i=window.pageYOffset||(document.documentElement||document.body.parentNode||document.body).scrollTop,o=t.top+i;return o-window.innerHeight<=i&&i<=o+e}animationLoop(){return this.t||(this.t=0),this.t+=1,this.t2||(this.t2=0),this.t2+=this.options.speed||1,this.uniforms&&(this.uniforms.iTime.value=.016667*this.t2),this.options.mouseEase&&(this.mouseEaseX=this.mouseEaseX||this.mouseX||0,this.mouseEaseY=this.mouseEaseY||this.mouseY||0,Math.abs(this.mouseEaseX-this.mouseX)+Math.abs(this.mouseEaseY-this.mouseY)>.1&&(this.mouseEaseX+=.05*(this.mouseX-this.mouseEaseX),this.mouseEaseY+=.05*(this.mouseY-this.mouseEaseY),this.triggerMouseMove(this.mouseEaseX,this.mouseEaseY))),(this.isOnScreen()||this.options.forceAnimate)&&("function"==typeof this.onUpdate&&this.onUpdate(),this.scene&&this.camera&&(this.renderer.render(this.scene,this.camera),this.renderer.setClearColor(this.options.backgroundColor,this.options.backgroundAlpha)),this.fps&&this.fps.update&&this.fps.update(),"function"==typeof this.afterRender&&this.afterRender()),this.req=window.requestAnimationFrame(this.animationLoop)}restart(){if(this.scene)for(;this.scene.children.length;)this.scene.remove(this.scene.children[0]);"function"==typeof this.onRestart&&this.onRestart(),this.init()}init(){"function"==typeof this.onInit&&this.onInit()}destroy(){"function"==typeof this.onDestroy&&this.onDestroy();const e=window.removeEventListener;e("touchstart",this.windowTouchWrapper),e("touchmove",this.windowTouchWrapper),e("scroll",this.windowMouseMoveWrapper),e("mousemove",this.windowMouseMoveWrapper),e("deviceorientation",this.windowGyroWrapper),e("resize",this.resize),window.cancelAnimationFrame(this.req),this.renderer&&(this.renderer.domElement&&this.el.removeChild(this.renderer.domElement),this.renderer=null,this.scene=null)}},t.b=r.VantaBase},function(e,t,i){"use strict";i.d(t,"b",function(){return r});var o=i(1),n=i(0);i.d(t,"a",function(){return o.a});let s="object"==typeof window&&window.THREE;class r extends o.b{constructor(e){(s=e.THREE||s).Color.prototype.toVector=function(){return new s.Vector3(this.r,this.g,this.b)},super(e),this.updateUniforms=this.updateUniforms.bind(this)}init(){this.mode="shader",this.uniforms={iTime:{type:"f",value:1},iResolution:{type:"v2",value:new s.Vector2(1,1)},iDpr:{type:"f",value:window.devicePixelRatio||1},iMouse:{type:"v2",value:new s.Vector2(this.mouseX||0,this.mouseY||0)}},super.init(),this.fragmentShader&&this.initBasicShader()}setOptions(e){super.setOptions(e),this.updateUniforms()}initBasicShader(e=this.fragmentShader,t=this.vertexShader){t||(t="uniform float uTime;\nuniform vec2 uResolution;\nvoid main() {\n  gl_Position = vec4( position, 1.0 );\n}"),this.updateUniforms(),"function"==typeof this.valuesChanger&&this.valuesChanger();const i=new s.ShaderMaterial({uniforms:this.uniforms,vertexShader:t,fragmentShader:e}),o=this.options.texturePath;o&&(this.uniforms.iTex={type:"t",value:(new s.TextureLoader).load(o)});const n=new s.Mesh(new s.PlaneGeometry(2,2),i);this.scene.add(n),this.camera=new s.Camera,this.camera.position.z=1}updateUniforms(){const e={};let t,i;for(t in this.options)i=this.options[t],-1!==t.toLowerCase().indexOf("color")?e[t]={type:"v3",value:new s.Color(i).toVector()}:"number"==typeof i&&(e[t]={type:"f",value:i});return Object(n.c)(this.uniforms,e)}resize(){super.resize(),this.uniforms.iResolution.value.x=this.width/this.scale,this.uniforms.iResolution.value.y=this.height/this.scale}}},,,,,,,function(e,t,i){"use strict";i.r(t);var o=i(2);class n extends o.b{}t.default=o.a.register("FOG",n),n.prototype.defaultOptions={highlightColor:16761600,midtoneColor:16719616,lowlightColor:2949375,baseColor:16772075,blurFactor:.6,speed:1,zoom:1,scale:2,scaleMobile:4},n.prototype.fragmentShader="uniform vec2 iResolution;\nuniform vec2 iMouse;\nuniform float iTime;\n\nuniform float blurFactor;\nuniform vec3 baseColor;\nuniform vec3 lowlightColor;\nuniform vec3 midtoneColor;\nuniform vec3 highlightColor;\nuniform float zoom;\n\nfloat random (in vec2 _st) {\n  return fract(sin(dot(_st.xy,\n                        vec2(12.9898,78.233)))*\n      43758.5453123);\n}\n\n// Based on Morgan McGuire @morgan3d\n// https://www.shadertoy.com/view/4dS3Wd\nfloat noise (in vec2 _st) {\n  vec2 i = floor(_st);\n  vec2 f = fract(_st);\n\n  // Four corners in 2D of a tile\n  float a = random(i);\n  float b = random(i + vec2(1.0, 0.0));\n  float c = random(i + vec2(0.0, 1.0));\n  float d = random(i + vec2(1.0, 1.0));\n\n  vec2 u = f * f * (3.0 - 2.0 * f);\n\n  return mix(a, b, u.x) +\n          (c - a)* u.y * (1.0 - u.x) +\n          (d - b) * u.x * u.y;\n}\n\n#define NUM_OCTAVES 6\n\nfloat fbm ( in vec2 _st) {\n  float v = 0.0;\n  float a = blurFactor;\n  vec2 shift = vec2(100.0);\n  // Rotate to reduce axial bias\n  mat2 rot = mat2(cos(0.5), sin(0.5),\n                  -sin(0.5), cos(0.50));\n  for (int i = 0; i < NUM_OCTAVES; ++i) {\n      v += a * noise(_st);\n      _st = rot * _st * 2.0 + shift;\n      a *= (1. - blurFactor);\n  }\n  return v;\n}\n\nvoid main() {\n  vec2 st = gl_FragCoord.xy / iResolution.xy*3.;\n  st.x *= 0.7 * iResolution.x / iResolution.y ; // Still keep it more landscape than square\n  st *= zoom;\n\n  // st += st * abs(sin(iTime*0.1)*3.0);\n  vec3 color = vec3(0.0);\n\n  vec2 q = vec2(0.);\n  q.x = fbm( st + 0.00*iTime);\n  q.y = fbm( st + vec2(1.0));\n\n  vec2 dir = vec2(0.15,0.126);\n  vec2 r = vec2(0.);\n  r.x = fbm( st + 1.0*q + vec2(1.7,9.2)+ dir.x*iTime );\n  r.y = fbm( st + 1.0*q + vec2(8.3,2.8)+ dir.y*iTime);\n\n  float f = fbm(st+r);\n\n  color = mix(baseColor,\n              lowlightColor,\n              clamp((f*f)*4.0,0.0,1.0));\n\n  color = mix(color,\n              midtoneColor,\n              clamp(length(q),0.0,1.0));\n\n  color = mix(color,\n              highlightColor,\n              clamp(length(r.x),0.0,1.0));\n\n  vec3 finalColor = mix(baseColor, color, f*f*f+.6*f*f+.5*f);\n  gl_FragColor = vec4(finalColor,1.0);\n}\n"}])});