@blur-ui/mesh-gradient/dist/index.mjs

The Mesh Gradient component for React

"use client";
import{forwardRef as j}from"react";import{useObjectRef as V}from"@blur-ui/react-utils";import{useCallback as q,useId as $,useMemo as z}from"react";import{useCallback as L,useEffect as A,useMemo as O,useRef as R,useState as N}from"react";import{useInView as I}from"react-intersection-observer";function P(b){return[(b>>16&255)/255,(b>>8&255)/255,(255&b)/255]}["SCREEN","LINEAR_LIGHT"].reduce((b,s,a)=>Object.assign(b,{[s]:a}),{});var D=class{constructor(s,a,d,h=!1){let l=this,y=document.location.search.toLowerCase().indexOf("debug=webgl")!==-1;l.canvas=s,l.gl=l.canvas.getContext("webgl",{antialias:!0}),l.meshes=[];let r=l.gl;a&&d&&this.setSize(a,d),l.lastDebugMsg,l.debug=h&&y?function(i){let n=new Date;n-l.lastDebugMsg>1e3&&console.log("---"),console.log(n.toLocaleTimeString()+Array(Math.max(0,32-i.length)).join(" ")+i+": ",...Array.from(arguments).slice(1)),l.lastDebugMsg=n}:()=>{},Object.defineProperties(l,{Material:{enumerable:!1,value:class{constructor(i,n,e={}){let t=this;function c(x,g){let f=r.createShader(x);return r.shaderSource(f,g),r.compileShader(f),r.getShaderParameter(f,r.COMPILE_STATUS),f}function u(x,g){return Object.entries(x).map(([f,p])=>p?p.getDeclaration(f,g):"").filter(Boolean).join(`
`)}t.uniforms=e,t.uniformInstances=[];let v=`
              precision highp float;
            `;t.vertexSource=`
              ${v}
              attribute vec4 position;
              attribute vec2 uv;
              attribute vec2 uvNorm;
              ${u(l.commonUniforms,"vertex")}
              ${u(e,"vertex")}
              ${i}
            `,t.Source=`
              ${v}
              ${u(l.commonUniforms,"fragment")}
              ${u(e,"fragment")}
              ${n}
            `,t.vertexShader=c(r.VERTEX_SHADER,t.vertexSource),t.fragmentShader=c(r.FRAGMENT_SHADER,t.Source),t.program=r.createProgram(),r.attachShader(t.program,t.vertexShader),r.attachShader(t.program,t.fragmentShader),r.linkProgram(t.program),r.getProgramParameter(t.program,r.LINK_STATUS),r.useProgram(t.program),t.attachUniforms(void 0,l.commonUniforms),t.attachUniforms(void 0,t.uniforms)}attachUniforms(i,n){let e=this;i===void 0?Object.entries(n).forEach(([t,c])=>{e.attachUniforms(t,c)}):n.type=="array"?n.value.forEach((t,c)=>e.attachUniforms(`${i}[${c}]`,t)):n.type=="struct"?Object.entries(n.value).forEach(([t,c])=>e.attachUniforms(`${i}.${t}`,c)):e.uniformInstances.push({uniform:n,location:r.getUniformLocation(e.program,i)})}}},Uniform:{enumerable:!1,value:class{constructor(i){this.type="float",Object.assign(this,i),this.typeFn={float:"1f",int:"1i",vec2:"2fv",vec3:"3fv",vec4:"4fv",mat4:"Matrix4fv"}[this.type]||"1f",this.update()}update(i){this.value!==void 0&&r[`uniform${this.typeFn}`](i,this.typeFn.indexOf("Matrix")===0?this.transpose:this.value,this.typeFn.indexOf("Matrix")===0?this.value:null)}getDeclaration(i,n,e){let t=this;if(t.excludeFrom!==n){if(t.type==="array")return!t.value||!t.value.length||!t.value[0]?"":t.value[0].getDeclaration(i,n,t.value.length)+`
const int ${i}_length = ${t.value.length};`;if(t.type==="struct"){let c=i.replace("u_","");return c=c.charAt(0).toUpperCase()+c.slice(1),`uniform struct ${c} 
                                  {
`+Object.entries(t.value).map(([u,v])=>v.getDeclaration(u,n).replace(/^uniform/,"")).join("")+`
} ${i}${e>0?`[${e}]`:""};`}return`uniform ${t.type} ${i}${e>0?`[${e}]`:""};`}return""}}},PlaneGeometry:{enumerable:!1,value:class{constructor(i,n,e,t,c){r.createBuffer(),this.attributes={position:new l.Attribute({target:r.ARRAY_BUFFER,size:3}),uv:new l.Attribute({target:r.ARRAY_BUFFER,size:2}),uvNorm:new l.Attribute({target:r.ARRAY_BUFFER,size:2}),index:new l.Attribute({target:r.ELEMENT_ARRAY_BUFFER,size:3,type:r.UNSIGNED_SHORT})},this.setTopology(e,t),this.setSize(i,n,c)}setTopology(i=1,n=1){let e=this;e.xSegCount=i,e.ySegCount=n,e.vertexCount=(e.xSegCount+1)*(e.ySegCount+1),e.quadCount=e.xSegCount*e.ySegCount*2,e.attributes.uv.values=new Float32Array(2*e.vertexCount),e.attributes.uvNorm.values=new Float32Array(2*e.vertexCount),e.attributes.index.values=new Uint16Array(3*e.quadCount);for(let t=0;t<=e.ySegCount;t++)for(let c=0;c<=e.xSegCount;c++){let u=t*(e.xSegCount+1)+c;if(e.attributes.uv.values[2*u]=c/e.xSegCount,e.attributes.uv.values[2*u+1]=1-t/e.ySegCount,e.attributes.uvNorm.values[2*u]=c/e.xSegCount*2-1,e.attributes.uvNorm.values[2*u+1]=1-t/e.ySegCount*2,c<e.xSegCount&&t<e.ySegCount){let v=t*e.xSegCount+c;e.attributes.index.values[6*v]=u,e.attributes.index.values[6*v+1]=u+1+e.xSegCount,e.attributes.index.values[6*v+2]=u+1,e.attributes.index.values[6*v+3]=u+1,e.attributes.index.values[6*v+4]=u+1+e.xSegCount,e.attributes.index.values[6*v+5]=u+2+e.xSegCount}}e.attributes.uv.update(),e.attributes.uvNorm.update(),e.attributes.index.update()}setSize(i=1,n=1,e="xz"){let t=this;t.width=i,t.height=n,t.orientation=e,t.attributes.position.values&&t.attributes.position.values.length===3*t.vertexCount||(t.attributes.position.values=new Float32Array(3*t.vertexCount));let c=i/-2,u=n/-2,v=i/t.xSegCount,x=n/t.ySegCount;for(let g=0;g<=t.ySegCount;g++){let f=u+g*x;for(let p=0;p<=t.xSegCount;p++){let m=c+p*v,S=g*(t.xSegCount+1)+p;t.attributes.position.values[3*S+"xyz".indexOf(e[0])]=m,t.attributes.position.values[3*S+"xyz".indexOf(e[1])]=-f}}t.attributes.position.update()}}},Mesh:{enumerable:!1,value:class{constructor(i,n){let e=this;e.geometry=i,e.material=n,e.wireframe=!1,e.attributeInstances=[],Object.entries(e.geometry.attributes).forEach(([t,c])=>{e.attributeInstances.push({attribute:c,location:c.attach(t,e.material.program)})}),l.meshes.push(e)}draw(){r.useProgram(this.material.program),this.material.uniformInstances.forEach(({uniform:i,location:n})=>i.update(n)),this.attributeInstances.forEach(({attribute:i,location:n})=>i.use(n)),r.drawElements(this.wireframe?r.LINES:r.TRIANGLES,this.geometry.attributes.index.values.length,r.UNSIGNED_SHORT,0)}remove(){l.meshes=l.meshes.filter(i=>i!=this)}}},Attribute:{enumerable:!1,value:class{constructor(i){this.type=r.FLOAT,this.normalized=!1,this.buffer=r.createBuffer(),Object.assign(this,i),this.update()}update(){this.values!==void 0&&(r.bindBuffer(this.target,this.buffer),r.bufferData(this.target,this.values,r.STATIC_DRAW))}attach(i,n){let e=r.getAttribLocation(n,i);return this.target===r.ARRAY_BUFFER&&(r.enableVertexAttribArray(e),r.vertexAttribPointer(e,this.size,this.type,this.normalized,0,0)),e}use(i){r.bindBuffer(this.target,this.buffer),this.target===r.ARRAY_BUFFER&&(r.enableVertexAttribArray(i),r.vertexAttribPointer(i,this.size,this.type,this.normalized,0,0))}}}});let C=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];l.commonUniforms={projectionMatrix:new l.Uniform({type:"mat4",value:C}),modelViewMatrix:new l.Uniform({type:"mat4",value:C}),resolution:new l.Uniform({type:"vec2",value:[1,1]}),aspectRatio:new l.Uniform({type:"float",value:1})}}setSize(s=640,a=480){this.width=s,this.height=a,this.canvas.width=s,this.canvas.height=a,this.gl.viewport(0,0,s,a),this.commonUniforms.resolution.value=[s,a],this.commonUniforms.aspectRatio.value=s/a}setOrthographicCamera(s=0,a=0,d=0,h=-2e3,l=2e3){this.commonUniforms.projectionMatrix.value=[2/this.width,0,0,0,0,2/this.height,0,0,0,0,2/(h-l),0,s,a,d,1]}render(){this.gl.clearColor(0,0,0,0),this.gl.clearDepth(1),this.meshes.forEach(s=>s.draw())}};function o(b,s,a){return s in b?Object.defineProperty(b,s,{value:a,enumerable:!0,configurable:!0,writable:!0}):b[s]=a,b}var F=class{constructor({seed:s=5,width:a=0,height:d=600}){o(this,"el",void 0),o(this,"frame",0),o(this,"cssVarRetries",0),o(this,"maxCssVarRetries",200),o(this,"angle",0),o(this,"isLoadedClass",!1),o(this,"isScrolling",!1),o(this,"scrollingTimeout",void 0),o(this,"scrollingRefreshDelay",200),o(this,"isIntersecting",!1),o(this,"shaderFiles",void 0),o(this,"vertexShader",void 0),o(this,"sectionColors",void 0),o(this,"computedCanvasStyle",void 0),o(this,"conf",void 0),o(this,"uniforms",void 0),o(this,"t",1253106),o(this,"last",0),o(this,"width",void 0),o(this,"minWidth",1111),o(this,"height",d),o(this,"xSegCount",void 0),o(this,"ySegCount",void 0),o(this,"mesh",void 0),o(this,"material",void 0),o(this,"geometry",void 0),o(this,"minigl",void 0),o(this,"scrollObserver",void 0),o(this,"amp",320),o(this,"seed",s),o(this,"freqX",14e-5),o(this,"freqY",29e-5),o(this,"freqDelta",1e-5),o(this,"activeColors",[1,1,1,1]),o(this,"isMetaKey",!1),o(this,"isGradientLegendVisible",!1),o(this,"isMouseDown",!1),o(this,"handleScroll",()=>{clearTimeout(this.scrollingTimeout),this.scrollingTimeout=setTimeout(this.handleScrollEnd,this.scrollingRefreshDelay),this.isGradientLegendVisible&&this.hideGradientLegend(),this.conf.playing&&(this.isScrolling=!0,this.pause())}),o(this,"handleScrollEnd",()=>{this.isScrolling=!1,this.isIntersecting&&this.play()}),o(this,"resize",()=>{this.width=a||window.innerWidth,this.minigl.setSize(this.width,this.height),this.minigl.setOrthographicCamera(),this.xSegCount=Math.ceil(this.width*this.conf.density[0]),this.ySegCount=Math.ceil(this.height*this.conf.density[1]),this.mesh.geometry.setTopology(this.xSegCount,this.ySegCount),this.mesh.geometry.setSize(this.width,this.height),this.mesh.material.uniforms.u_shadow_power.value=this.width<600?5:6}),o(this,"handleMouseDown",h=>{this.isGradientLegendVisible&&(this.isMetaKey=h.metaKey,this.isMouseDown=!0,this.conf.playing===!1&&requestAnimationFrame(this.animate))}),o(this,"handleMouseUp",()=>{this.isMouseDown=!1}),o(this,"animate",h=>{var l;if(!this.shouldSkipFrame(h)||this.isMouseDown){if(this.t+=Math.min(h-this.last,1e3/15),this.last=h,this.isMouseDown){let y=160;this.isMetaKey&&(y=-160),this.t+=y}this!=null&&this.mesh&&((l=this==null?void 0:this.mesh)!=null&&l.material)&&(this.mesh.material.uniforms.u_time.value=this.t,this.minigl.render())}if(this.last!==0&&this.isStatic)return this.minigl.render(),void this.disconnect();this.frame+=1,(this.conf.playing||this.isMouseDown)&&requestAnimationFrame(this.animate)}),o(this,"addIsLoadedClass",()=>{!this.isLoadedClass&&(this.isLoadedClass=!0,this.el.classList.add("isLoaded"),setTimeout(()=>{this.el.parentElement.classList.add("isLoaded")},3e3))}),o(this,"pause",()=>{this.conf.playing=!1}),o(this,"play",()=>{requestAnimationFrame(this.animate),this.conf.playing=!0}),o(this,"initGradient",h=>(this.el=document.querySelector(h),this.el&&this.connect(),this))}async connect(){this.shaderFiles={vertex:`varying vec3 v_color;

void main() {
  float time = u_time * u_global.noiseSpeed;

  vec2 noiseCoord = resolution * uvNorm * u_global.noiseFreq;

  vec2 st = 1. - uvNorm.xy;

  //
  // Tilting the plane
  //

  // Front-to-back tilt
  float tilt = resolution.y / 2.0 * uvNorm.y;

  // Left-to-right angle
  float incline = resolution.x * uvNorm.x / 2.0 * u_vertDeform.incline;

  // Up-down shift to offset incline
  float offset = resolution.x / 2.0 * u_vertDeform.incline * mix(u_vertDeform.offsetBottom, u_vertDeform.offsetTop, uv.y);

  //
  // Vertex noise
  //

  float noise = snoise(vec3(
    noiseCoord.x * u_vertDeform.noiseFreq.x + time * u_vertDeform.noiseFlow,
    noiseCoord.y * u_vertDeform.noiseFreq.y,
    time * u_vertDeform.noiseSpeed + u_vertDeform.noiseSeed
  )) * u_vertDeform.noiseAmp;

  // Fade noise to zero at edges
  noise *= 1.0 - pow(abs(uvNorm.y), 2.0);

  // Clamp to 0
  noise = max(0.0, noise);

  vec3 pos = vec3(
    position.x,
    position.y + tilt + incline + noise - offset,
    position.z
  );

  //
  // Vertex color, to be passed to fragment shader
  //

  if (u_active_colors[0] == 1.) {
    v_color = u_baseColor;
  }

  for (int i = 0; i < u_waveLayers_length; i++) {
    if (u_active_colors[i + 1] == 1.) {
      WaveLayers layer = u_waveLayers[i];

      float noise = smoothstep(
        layer.noiseFloor,
        layer.noiseCeil,
        snoise(vec3(
          noiseCoord.x * layer.noiseFreq.x + time * layer.noiseFlow,
          noiseCoord.y * layer.noiseFreq.y,
          time * layer.noiseSpeed + layer.noiseSeed
        )) / 2.0 + 0.5
      );

      v_color = blendNormal(v_color, layer.color, pow(noise, 4.));
    }
  }

  //
  // Finish
  //

  gl_Position = projectionMatrix * modelViewMatrix * vec4(pos, 1.0);
}`,noise:`//
// Description : Array and textureless GLSL 2D/3D/4D simplex
//               noise functions.
//      Author : Ian McEwan, Ashima Arts.
//  Maintainer : stegu
//     Lastmod : 20110822 (ijm)
//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.
//               Distributed under the MIT License. See LICENSE file.
//               https://github.com/ashima/webgl-noise
//               https://github.com/stegu/webgl-noise
//

vec3 mod289(vec3 x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0;
}

vec4 mod289(vec4 x) {
  return x - floor(x * (1.0 / 289.0)) * 289.0;
}

vec4 permute(vec4 x) {
    return mod289(((x*34.0)+1.0)*x);
}

vec4 taylorInvSqrt(vec4 r)
{
  return 1.79284291400159 - 0.85373472095314 * r;
}

float snoise(vec3 v)
{
  const vec2  C = vec2(1.0/6.0, 1.0/3.0) ;
  const vec4  D = vec4(0.0, 0.5, 1.0, 2.0);

// First corner
  vec3 i  = floor(v + dot(v, C.yyy) );
  vec3 x0 =   v - i + dot(i, C.xxx) ;

// Other corners
  vec3 g = step(x0.yzx, x0.xyz);
  vec3 l = 1.0 - g;
  vec3 i1 = min( g.xyz, l.zxy );
  vec3 i2 = max( g.xyz, l.zxy );

  //   x0 = x0 - 0.0 + 0.0 * C.xxx;
  //   x1 = x0 - i1  + 1.0 * C.xxx;
  //   x2 = x0 - i2  + 2.0 * C.xxx;
  //   x3 = x0 - 1.0 + 3.0 * C.xxx;
  vec3 x1 = x0 - i1 + C.xxx;
  vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
  vec3 x3 = x0 - D.yyy;      // -1.0+3.0*C.x = -0.5 = -D.y

// Permutations
  i = mod289(i);
  vec4 p = permute( permute( permute(
            i.z + vec4(0.0, i1.z, i2.z, 1.0 ))
          + i.y + vec4(0.0, i1.y, i2.y, 1.0 ))
          + i.x + vec4(0.0, i1.x, i2.x, 1.0 ));

// Gradients: 7x7 points over a square, mapped onto an octahedron.
// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
  float n_ = 0.142857142857; // 1.0/7.0
  vec3  ns = n_ * D.wyz - D.xzx;

  vec4 j = p - 49.0 * floor(p * ns.z * ns.z);  //  mod(p,7*7)

  vec4 x_ = floor(j * ns.z);
  vec4 y_ = floor(j - 7.0 * x_ );    // mod(j,N)

  vec4 x = x_ *ns.x + ns.yyyy;
  vec4 y = y_ *ns.x + ns.yyyy;
  vec4 h = 1.0 - abs(x) - abs(y);

  vec4 b0 = vec4( x.xy, y.xy );
  vec4 b1 = vec4( x.zw, y.zw );

  //vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
  //vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
  vec4 s0 = floor(b0)*2.0 + 1.0;
  vec4 s1 = floor(b1)*2.0 + 1.0;
  vec4 sh = -step(h, vec4(0.0));

  vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;
  vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;

  vec3 p0 = vec3(a0.xy,h.x);
  vec3 p1 = vec3(a0.zw,h.y);
  vec3 p2 = vec3(a1.xy,h.z);
  vec3 p3 = vec3(a1.zw,h.w);

//Normalise gradients
  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
  p0 *= norm.x;
  p1 *= norm.y;
  p2 *= norm.z;
  p3 *= norm.w;

// Mix final noise value
  vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
  m = m * m;
  return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),
                                dot(p2,x2), dot(p3,x3) ) );
}`,blend:`//
// https://github.com/jamieowen/glsl-blend
//

// Normal

vec3 blendNormal(vec3 base, vec3 blend) {
	return blend;
}

vec3 blendNormal(vec3 base, vec3 blend, float opacity) {
	return (blendNormal(base, blend) * opacity + base * (1.0 - opacity));
}

// Screen

float blendScreen(float base, float blend) {
	return 1.0-((1.0-base)*(1.0-blend));
}

vec3 blendScreen(vec3 base, vec3 blend) {
	return vec3(blendScreen(base.r,blend.r),blendScreen(base.g,blend.g),blendScreen(base.b,blend.b));
}

vec3 blendScreen(vec3 base, vec3 blend, float opacity) {
	return (blendScreen(base, blend) * opacity + base * (1.0 - opacity));
}

// Multiply

vec3 blendMultiply(vec3 base, vec3 blend) {
	return base*blend;
}

vec3 blendMultiply(vec3 base, vec3 blend, float opacity) {
	return (blendMultiply(base, blend) * opacity + base * (1.0 - opacity));
}

// Overlay

float blendOverlay(float base, float blend) {
	return base<0.5?(2.0*base*blend):(1.0-2.0*(1.0-base)*(1.0-blend));
}

vec3 blendOverlay(vec3 base, vec3 blend) {
	return vec3(blendOverlay(base.r,blend.r),blendOverlay(base.g,blend.g),blendOverlay(base.b,blend.b));
}

vec3 blendOverlay(vec3 base, vec3 blend, float opacity) {
	return (blendOverlay(base, blend) * opacity + base * (1.0 - opacity));
}

// Hard light

vec3 blendHardLight(vec3 base, vec3 blend) {
	return blendOverlay(blend,base);
}

vec3 blendHardLight(vec3 base, vec3 blend, float opacity) {
	return (blendHardLight(base, blend) * opacity + base * (1.0 - opacity));
}

// Soft light

float blendSoftLight(float base, float blend) {
	return (blend<0.5)?(2.0*base*blend+base*base*(1.0-2.0*blend)):(sqrt(base)*(2.0*blend-1.0)+2.0*base*(1.0-blend));
}

vec3 blendSoftLight(vec3 base, vec3 blend) {
	return vec3(blendSoftLight(base.r,blend.r),blendSoftLight(base.g,blend.g),blendSoftLight(base.b,blend.b));
}

vec3 blendSoftLight(vec3 base, vec3 blend, float opacity) {
	return (blendSoftLight(base, blend) * opacity + base * (1.0 - opacity));
}

// Color dodge

float blendColorDodge(float base, float blend) {
	return (blend==1.0)?blend:min(base/(1.0-blend),1.0);
}

vec3 blendColorDodge(vec3 base, vec3 blend) {
	return vec3(blendColorDodge(base.r,blend.r),blendColorDodge(base.g,blend.g),blendColorDodge(base.b,blend.b));
}

vec3 blendColorDodge(vec3 base, vec3 blend, float opacity) {
	return (blendColorDodge(base, blend) * opacity + base * (1.0 - opacity));
}

// Color burn

float blendColorBurn(float base, float blend) {
	return (blend==0.0)?blend:max((1.0-((1.0-base)/blend)),0.0);
}

vec3 blendColorBurn(vec3 base, vec3 blend) {
	return vec3(blendColorBurn(base.r,blend.r),blendColorBurn(base.g,blend.g),blendColorBurn(base.b,blend.b));
}

vec3 blendColorBurn(vec3 base, vec3 blend, float opacity) {
	return (blendColorBurn(base, blend) * opacity + base * (1.0 - opacity));
}

// Vivid Light

float blendVividLight(float base, float blend) {
	return (blend<0.5)?blendColorBurn(base,(2.0*blend)):blendColorDodge(base,(2.0*(blend-0.5)));
}

vec3 blendVividLight(vec3 base, vec3 blend) {
	return vec3(blendVividLight(base.r,blend.r),blendVividLight(base.g,blend.g),blendVividLight(base.b,blend.b));
}

vec3 blendVividLight(vec3 base, vec3 blend, float opacity) {
	return (blendVividLight(base, blend) * opacity + base * (1.0 - opacity));
}

// Lighten

float blendLighten(float base, float blend) {
	return max(blend,base);
}

vec3 blendLighten(vec3 base, vec3 blend) {
	return vec3(blendLighten(base.r,blend.r),blendLighten(base.g,blend.g),blendLighten(base.b,blend.b));
}

vec3 blendLighten(vec3 base, vec3 blend, float opacity) {
	return (blendLighten(base, blend) * opacity + base * (1.0 - opacity));
}

// Linear burn

float blendLinearBurn(float base, float blend) {
	// Note : Same implementation as BlendSubtractf
	return max(base+blend-1.0,0.0);
}

vec3 blendLinearBurn(vec3 base, vec3 blend) {
	// Note : Same implementation as BlendSubtract
	return max(base+blend-vec3(1.0),vec3(0.0));
}

vec3 blendLinearBurn(vec3 base, vec3 blend, float opacity) {
	return (blendLinearBurn(base, blend) * opacity + base * (1.0 - opacity));
}

// Linear dodge

float blendLinearDodge(float base, float blend) {
	// Note : Same implementation as BlendAddf
	return min(base+blend,1.0);
}

vec3 blendLinearDodge(vec3 base, vec3 blend) {
	// Note : Same implementation as BlendAdd
	return min(base+blend,vec3(1.0));
}

vec3 blendLinearDodge(vec3 base, vec3 blend, float opacity) {
	return (blendLinearDodge(base, blend) * opacity + base * (1.0 - opacity));
}

// Linear light

float blendLinearLight(float base, float blend) {
	return blend<0.5?blendLinearBurn(base,(2.0*blend)):blendLinearDodge(base,(2.0*(blend-0.5)));
}

vec3 blendLinearLight(vec3 base, vec3 blend) {
	return vec3(blendLinearLight(base.r,blend.r),blendLinearLight(base.g,blend.g),blendLinearLight(base.b,blend.b));
}

vec3 blendLinearLight(vec3 base, vec3 blend, float opacity) {
	return (blendLinearLight(base, blend) * opacity + base * (1.0 - opacity));
}`,fragment:`varying vec3 v_color;

void main() {
  vec3 color = v_color;
  if (u_darken_top == 1.0) {
    vec2 st = gl_FragCoord.xy/resolution.xy;
    color.g -= pow(st.y + sin(-12.0) * st.x, u_shadow_power) * 0.4;
  }
  gl_FragColor = vec4(color, 1.0);
}`},this.conf={presetName:"",wireframe:!1,density:[.06,.16],zoom:1,rotation:0,playing:!0},document.querySelectorAll("canvas").length<1?console.log("DID NOT LOAD HERO STRIPE CANVAS"):(this.minigl=new D(this.el,null,null,!0),requestAnimationFrame(()=>{this.el&&(this.computedCanvasStyle=getComputedStyle(this.el),this.waitForCssVars())}))}disconnect(){this.scrollObserver&&(window.removeEventListener("scroll",this.handleScroll),window.removeEventListener("mousedown",this.handleMouseDown),window.removeEventListener("mouseup",this.handleMouseUp),window.removeEventListener("keydown",this.handleKeyDown),this.scrollObserver.disconnect()),window.removeEventListener("resize",this.resize)}initMaterial(){var s,a;this.uniforms={u_time:new this.minigl.Uniform({value:0}),u_shadow_power:new this.minigl.Uniform({value:5}),u_darken_top:new this.minigl.Uniform({value:((a=(s=this==null?void 0:this.el)==null?void 0:s.dataset)==null?void 0:a.jsDarkenTop)===""?1:0}),u_active_colors:new this.minigl.Uniform({value:this.activeColors,type:"vec4"}),u_global:new this.minigl.Uniform({value:{noiseFreq:new this.minigl.Uniform({value:[this.freqX,this.freqY],type:"vec2"}),noiseSpeed:new this.minigl.Uniform({value:5e-6})},type:"struct"}),u_vertDeform:new this.minigl.Uniform({value:{incline:new this.minigl.Uniform({value:Math.sin(this.angle)/Math.cos(this.angle)}),offsetTop:new this.minigl.Uniform({value:-.5}),offsetBottom:new this.minigl.Uniform({value:-.5}),noiseFreq:new this.minigl.Uniform({value:[3,4],type:"vec2"}),noiseAmp:new this.minigl.Uniform({value:this.amp}),noiseSpeed:new this.minigl.Uniform({value:10}),noiseFlow:new this.minigl.Uniform({value:3}),noiseSeed:new this.minigl.Uniform({value:this.seed})},type:"struct",excludeFrom:"fragment"}),u_baseColor:new this.minigl.Uniform({value:this.sectionColors[0],type:"vec3",excludeFrom:"fragment"}),u_waveLayers:new this.minigl.Uniform({value:[],excludeFrom:"fragment",type:"array"})};for(let d=1;d<this.sectionColors.length;d+=1)this.uniforms.u_waveLayers.value.push(new this.minigl.Uniform({value:{color:new this.minigl.Uniform({value:this.sectionColors[d],type:"vec3"}),noiseFreq:new this.minigl.Uniform({value:[2+d/this.sectionColors.length,3+d/this.sectionColors.length],type:"vec2"}),noiseSpeed:new this.minigl.Uniform({value:11+.3*d}),noiseFlow:new this.minigl.Uniform({value:6.5+.3*d}),noiseSeed:new this.minigl.Uniform({value:this.seed+10*d}),noiseFloor:new this.minigl.Uniform({value:.1}),noiseCeil:new this.minigl.Uniform({value:.63+.07*d})},type:"struct"}));return this.vertexShader=[this.shaderFiles.noise,this.shaderFiles.blend,this.shaderFiles.vertex].join(`

`),new this.minigl.Material(this.vertexShader,this.shaderFiles.fragment,this.uniforms)}initMesh(){this.material=this.initMaterial(),this.geometry=new this.minigl.PlaneGeometry,this.mesh=new this.minigl.Mesh(this.geometry,this.material)}shouldSkipFrame(){return!!window.document.hidden||!this.conf.playing||this.frame%2==0||void 0}updateFrequency(s){this.freqX+=s,this.freqY+=s}toggleColor(s){this.activeColors[s]=this.activeColors[s]===0?1:0}showGradientLegend(){this.width>this.minWidth&&(this.isGradientLegendVisible=!0,document.body.classList.add("isGradientLegendVisible"))}hideGradientLegend(){this.isGradientLegendVisible=!1,document.body.classList.remove("isGradientLegendVisible")}init(){this.initGradientColors(),this.initMesh(),this.resize(),requestAnimationFrame(this.animate),window.addEventListener("resize",this.resize)}waitForCssVars(){if(this.computedCanvasStyle&&this.computedCanvasStyle.getPropertyValue("--gradient-color-1").indexOf("#")!==-1)this.init(),this.addIsLoadedClass();else{if(this.cssVarRetries+=1,this.cssVarRetries>this.maxCssVarRetries)return this.sectionColors=[16711680,16711680,16711935,65280,255],void this.init();requestAnimationFrame(()=>this.waitForCssVars())}}initGradientColors(){this.sectionColors=["--gradient-color-1","--gradient-color-2","--gradient-color-3","--gradient-color-4"].map(s=>{let a=this.computedCanvasStyle.getPropertyValue(s).trim();return a.length===4&&(a=`#${a.substr(1).split("").map(h=>h+h).join("")}`),a&&`0x${a.substr(1)}`}).filter(Boolean).map(P)}};var w={green:{color1:"#043D5D",color2:"#032E46",color3:"#23B684",color4:"#0F595E"},peach:{color1:"#FE6860",color2:"#FE8A71",color3:"#D9BBAE",color4:"#F3C9BF"},sky:{color1:"#c3e4ff",color2:"#6ec3f4",color3:"#eae2ff",color4:"#b9beff"},purple:{color1:"#ba53df",color2:"#7948ea",color3:"#6b03b0",color4:"#210368"},yellow:{color1:"#ffa061",color2:"#ffc370",color3:"#d9ceaf",color4:"#f2ecbf"},lime:{color1:"#d5ff61",color2:"#b0ff70",color3:"#d0d9af",color4:"#dbf2bf"},sunrise:{color1:"#8a519a",color2:"#6101c1",color3:"#e24097",color4:"#f3121d"},oceanic:{color1:"#005377",color2:"#00A8E8",color3:"#FFFFFF",color4:"#00A8E8"},twilight:{color1:"#2c3e50",color2:"#4ca1af",color3:"#c94b4b",color4:"#e96443"},forest:{color1:"#0B486B",color2:"#F56217",color3:"#5BC0BE",color4:"#6FB98F"},ember:{color1:"#FF4E50",color2:"#F9D423",color3:"#EDE574",color4:"#E1F5C4"},sunset:{color1:"#ff7e5f",color2:"#feb47b",color3:"#ff9a8b",color4:"#ff6a88"},midnight:{color1:"#2c3e50",color2:"#4ca1af",color3:"#c94b4b",color4:"#e96443"},coral:{color1:"#ff6f61",color2:"#d7263d",color3:"#3f88c5",color4:"#1b1b2f"},lavender:{color1:"#c3aed6",color2:"#a28fd0",color3:"#8668c7",color4:"#654ba5"},mint:{color1:"#3eb489",color2:"#3eb489",color3:"#38ef7d",color4:"#11998e"},dusk:{color1:"#141e30",color2:"#243b55",color3:"#302b63",color4:"#0f0c29"},aurora:{color1:"#00c6ff",color2:"#0072ff",color3:"#00b09b",color4:"#96c93d"},berry:{color1:"#ff6f91",color2:"#ff9671",color3:"#ffc75f",color4:"#f9f871"},teal:{color1:"#008080",color2:"#00b3b3",color3:"#00cccc",color4:"#33ffff"},sunsetBlaze:{color1:"#FF7E5F",color2:"#FD3A69",color3:"#FF6A88",color4:"#FF99AC"},oceanDream:{color1:"#00B4DB",color2:"#0083B0",color3:"#00C6FF",color4:"#0072FF"},twilightPurple:{color1:"#5D3FD3",color2:"#A389D4",color3:"#C5B0E3",color4:"#D9B3FF"},forestMystic:{color1:"#1B512D",color2:"#77B1A9",color3:"#B5EAEA",color4:"#E3FDFD"},auroraBorealis:{color1:"#00F260",color2:"#0575E6",color3:"#2AF598",color4:"#3A7BD5"},desertSunset:{color1:"#FFA17F",color2:"#00223E",color3:"#FC4A1A",color4:"#F7B733"},emeraldGlow:{color1:"#0F2027",color2:"#203A43",color3:"#2C5364",color4:"#4CA1AF"},rubySunrise:{color1:"#FF512F",color2:"#DD2476",color3:"#FF6A88",color4:"#FF99AC"}};var _=({domRef:b,canvasId:s,animationDuration:a,theme:d,colors:h,seed:l,isPaused:y,darken:r,width:C,height:i})=>{let n=R(null),{ref:e,inView:t}=I({threshold:0}),[c,u]=N(!1),v=L(m=>{b.current=m,e(m)},[e]),x=L(()=>{u(!1)},[]),g=L(m=>{u(!0),setTimeout(()=>{var S;(S=n.current)==null||S.initGradient(`#${s}`),m()},a)},[a,n,s]),f=L(()=>{g(()=>{requestAnimationFrame(()=>{x()})})},[g,x]);A(()=>{if(!n.current){let m=new F({seed:l,width:C,height:i});m.initGradient(`#${s}`),n.current=m}},[]),A(()=>{n.current&&(y||!t?n.current.pause():!y&&t&&n.current.play())},[n.current,y,t]),A(()=>{if(n.current&&b.current){let m=b.current;r?(m==null||m.setAttribute("data-js-darken-top",""),f()):(m==null||m.removeAttribute("data-js-darken-top"),f())}},[r,b==null?void 0:b.current,n.current]),A(()=>{n!=null&&n.current&&f()},[d,h,n]);let p=O(()=>h?{"--gradient-color-1":h.color1,"--gradient-color-2":h.color2,"--gradient-color-3":h.color3,"--gradient-color-4":h.color4}:{"--gradient-color-1":w[d].color1,"--gradient-color-2":w[d].color2,"--gradient-color-3":w[d].color3,"--gradient-color-4":w[d].color4},[h,d]);return{setRefs:v,colorVars:p,isFading:c}};var E=150,M=5,U=1,T="twilightPurple";var G=b=>{let{ref:s,style:a,animationDuration:d=E,theme:h=T,opacity:l=U,seed:y=M,isPaused:r=!1,darken:C=!1,colors:i,width:n=0,height:e=600,...t}=b,c=V(s),u=$().replace(/[:]/g,""),v=z(()=>`gradient-canvas-${u}`,[]),{setRefs:x,colorVars:g,isFading:f}=_({domRef:c,canvasId:v,animationDuration:d,theme:h,colors:i,seed:y,isPaused:r,darken:C,width:n,height:e}),p=z(()=>({...a,...g,opacity:f?0:l,transition:`opacity ${d}ms linear`}),[a,g,l,f,d]),m=q(()=>({...t,id:v,style:p}),[t,v,p]);return{setRefs:x,buildCanvasProps:m}};import{jsx as k}from"react/jsx-runtime";var B=j((b,s)=>{let{setRefs:a,buildCanvasProps:d}=G({...b,ref:s});return k("canvas",{ref:a,...d()})});B.displayName="MeshGradient";export{F as Gradient,w as GradientColors,B as MeshGradient};