codecrafters.llc/index.html at main · CodeCraftersLLC/codecrafters.llc · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Code Crafters</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script>
      tailwind.config = {
        theme: {
          extend: {
            fontFamily: {
              inter: ["Inter", "sans-serif"],
            },
          },
        },
      };
    </script>
    <link rel="preconnect" href="https://fonts.googleapis.com" />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
    <link
      href="https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap"
      rel="stylesheet"
    />

    <!-- Favicon -->
    <link rel="icon" href="/static/favicon/favicon.ico" sizes="32x32" />
    <link rel="icon" href="/static/favicon/favicon.svg" type="image/svg+xml" />
    <link rel="apple-touch-icon" href="/static/favicon/apple-touch-icon.png" />
    <link rel="manifest" href="/static/favicon/site.webmanifest" />
  </head>
  <body>
    <style>
      body {
        margin: 0;
        overflow: hidden;
        background: black;
        font-family: "Inter", sans-serif;
      }

      #sketch {
        width: 100vw;
        height: 100vh;
        background: black;
      }

      .loading span {
        animation: blur 1.5s calc(var(--i) / 5 * 1s) alternate infinite;
      }

      @keyframes blur {
        to {
          filter: blur(5px);
        }
      }

      .hv-center {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
      }

      .hollow {
        opacity: 0;
        pointer-events: none;
      }
    </style>
    <div id="sketch"></div>
    <div
      class="fixed z-5 top-0 left-0 loader-screen w-screen h-screen transition-all duration-300 bg-white"
    >
      <div class="absolute hv-center">
        <div class="loading text-3xl tracking-widest whitespace-no-wrap">
          <span style="--i: 0">L</span>
          <span style="--i: 1">O</span>
          <span style="--i: 2">A</span>
          <span style="--i: 3">D</span>
          <span style="--i: 4">I</span>
          <span style="--i: 5">N</span>
          <span style="--i: 6">G</span>
        </div>
      </div>
    </div>
    <div class="hero-dom opacity-0">
      <div class="absolute hv-center">
        <div class="flex flex-col items-center space-y-4 whitespace-no-wrap">
          <!-- Logo -->
          <div class="mb-4">
            <img
              src="/static/code-crafters-logo.svg"
              alt="Code Crafters LLC Logo"
              class="h-16 w-auto"
              style="filter: brightness(0) invert(1)"
            />
          </div>
          <div class="text-[42px] text-white font-inter text-center">
            Software Solutions
          </div>
          <div class="text-xl" style="color: #8a8a8a">
            <a
              href="https://github.com/CodeCraftersLLC"
              style="color: #254fd9; text-decoration: none"
              >https://github.com/CodeCraftersLLC</a
            >
          </div>
          <div class="text-xl" style="color: #8a8a8a">
            contact@codecrafters.llc
          </div>
          <div class="mt-[120px]">
            <div class="text mt-4 text-center max-w-md" style="color: #6a6a6a">
              "Simplicity is the ultimate sophistication."
            </div>
            <div class="text mt-4 text-center max-w-md" style="color: #6a6a6a">
              - Leonardo da Vinci
            </div>
          </div>
        </div>
      </div>
    </div>

    <script type="module">
      import * as kokomi from "https://esm.sh/kokomi.js";
      import * as THREE from "https://esm.sh/three";
      import gsap from "https://esm.sh/gsap";

      const fragmentShader = /* glsl */ `
uniform float iTime;
uniform vec2 iResolution;
uniform vec2 iMouse;

uniform sampler2D tDiffuse;

varying vec2 vUv;

uniform vec3 uBgColor;
uniform float uRGBShiftIntensity;
uniform float uGrainIntensity;
uniform float uVignetteIntensity;
uniform float uTransitionProgress;

highp float random(vec2 co)
{
    highp float a=12.9898;
    highp float b=78.233;
    highp float c=43758.5453;
    highp float dt=dot(co.xy,vec2(a,b));
    highp float sn=mod(dt,3.14);
    return fract(sin(sn)*c);
}

vec3 grain(vec2 uv,vec3 col,float amount){
    float noise=random(uv+iTime);
    col+=(noise-.5)*amount;
    return col;
}

vec4 RGBShift(sampler2D tex,vec2 uv,float amount){
    vec2 rUv=uv;
    vec2 gUv=uv;
    vec2 bUv=uv;
    float noise=random(uv+iTime)*.5+.5;
    vec2 offset=amount*vec2(cos(noise),sin(noise));
    rUv+=offset;
    gUv+=offset*.5;
    bUv+=offset*.25;
    vec4 rTex=texture(tex,rUv);
    vec4 gTex=texture(tex,gUv);
    vec4 bTex=texture(tex,bUv);
    vec4 col=vec4(rTex.r,gTex.g,bTex.b,gTex.a);
    return col;
}

vec3 vignette(vec2 uv,vec3 col,vec3 vigColor,float amount){
    vec2 p=uv;
    p-=.5;
    float d=length(p);
    float mask=smoothstep(.5,.3,d);
    mask=pow(mask,.6);
    float mixFactor=(1.-mask)*amount;
    col=mix(col,vigColor,mixFactor);
    return col;
}

float sdCircle(vec2 p,float r)
{
    return length(p)-r;
}

vec3 transition(vec2 uv,vec3 col,float progress){
    float ratio=iResolution.x/iResolution.y;

    // circle
    vec2 p=uv;
    p-=.5;
    p.x*=ratio;
    float d=sdCircle(p,progress*sqrt(2.2));
    float c=smoothstep(-.2,0.,d);
    col=mix(vec3(1.),col,1.-c);
    return col;
}

void main(){
    vec2 uv=vUv;
    vec4 tex=RGBShift(tDiffuse,uv,uRGBShiftIntensity);
    vec3 col=tex.xyz;
    col=grain(uv,col,uGrainIntensity);
    col=vignette(uv,col,uBgColor,uVignetteIntensity);
    col=transition(uv,col,uTransitionProgress);
    gl_FragColor=vec4(col,1.);
}
`;

      class Sketch extends kokomi.Base {
        create() {
          const config = {
            bgColor: "#0c0c0c",
          };

          const params = {
            transitionProgress: 0,
            enterProgress: 0,
            rotateSpeed: 15,
          };

          this.renderer.setClearColor(new THREE.Color(config.bgColor), 1);

          this.camera.position.set(0, 0, 16);

          // new kokomi.OrbitControls(this);

          const sumFormula = (n) => {
            return (n * (n + 1)) / 2;
          };
          const isOdd = (n) => {
            return n % 2 === 1;
          };

          const circleCount = 3;
          const circleImgCountUnit = 12;
          const circleImgTotalCount =
            circleImgCountUnit * sumFormula(circleCount);
          const resourceList = [...Array(circleImgTotalCount).keys()].map(
            (_, i) => ({
              name: `tex${i + 1}`,
              type: "texture",
              path: "/static/code-images/0.png",
            })
          );
          const am = new kokomi.AssetManager(this, resourceList);

          am.on("ready", () => {
            document.querySelector(".loader-screen")?.classList.add("hollow");

            const material = new THREE.MeshBasicMaterial();

            const r = 6.4;
            const scale = 0.8;

            const rings = [];
            const lines = [];
            for (let i = 0; i < circleCount; i++) {
              const c1 = sumFormula(i) * circleImgCountUnit;
              const c2 = sumFormula(i + 1) * circleImgCountUnit;
              const textures = Object.values(am.items).slice(c1, c2);

              const ring = new THREE.Group();
              this.scene.add(ring);
              rings.push(ring);

              const meshes = textures.map((tex, j) => {
                const line = new THREE.Group();
                ring.add(line);
                lines.push(line);
                const imgScale = 0.005 * scale * (i * 0.36 + 1);
                const width = tex.image.width * imgScale;
                const height = tex.image.height * imgScale;
                const geometry = new THREE.PlaneGeometry(width, height);
                const mat = material.clone();
                mat.map = tex;
                mat.needsUpdate = true;
                const mesh = new THREE.Mesh(geometry, mat);
                const r2 = r * (i + 1);
                const ratio = j / (c2 - c1);
                const angle = ratio * Math.PI * 2;
                mesh.position.x = r2;
                mesh.rotation.z = -Math.PI / 2;
                line.rotation.z = angle;
                line.add(mesh);
                return mesh;
              });
            }

            const ce = new kokomi.CustomEffect(this, {
              fragmentShader,
              uniforms: {
                uBgColor: {
                  value: new THREE.Color(config.bgColor),
                },
                uRGBShiftIntensity: {
                  value: 0.0025,
                },
                uGrainIntensity: {
                  value: 0.025,
                },
                uVignetteIntensity: {
                  value: 0.8,
                },
                uTransitionProgress: {
                  value: 0,
                },
              },
            });
            ce.addExisting();
            this.ce = ce;

            const wheelScroller = new kokomi.WheelScroller();
            wheelScroller.listenForScroll();

            const dragDetecter = new kokomi.DragDetecter(this);
            dragDetecter.detectDrag();
            dragDetecter.on("drag", (delta) => {
              wheelScroller.scroll.target -= (delta.x || delta.y) * 2;
            });

            this.update(() => {
              wheelScroller.syncScroll();

              rings.forEach((ring, i) => {
                ring.rotation.z +=
                  0.0025 *
                  (isOdd(i) ? -1 : 1) *
                  (1 + wheelScroller.scroll.delta) *
                  params.rotateSpeed;
              });

              lines.forEach((line) => {
                line.position.z =
                  -THREE.MathUtils.lerp(
                    0,
                    100,
                    THREE.MathUtils.mapLinear(
                      wheelScroller.scroll.delta,
                      0,
                      1000,
                      0,
                      1
                    )
                  ) + THREE.MathUtils.lerp(10, 0, params.enterProgress);
              });

              this.ce.customPass.material.uniforms.uTransitionProgress.value =
                params.transitionProgress;
            });

            const anime = () => {
              const t1 = gsap.timeline();
              t1.to(params, {
                transitionProgress: 1,
                duration: 1,
                ease: "power1.inOut",
              })
                .fromTo(
                  params,
                  {
                    enterProgress: 0,
                    rotateSpeed: 10,
                  },
                  {
                    enterProgress: 1,
                    rotateSpeed: 1,
                    duration: 1.5,
                    ease: "power1.inOut",
                  },
                  "-=1"
                )
                .to(
                  ".hero-dom",
                  {
                    opacity: 1,
                  },
                  "-=1"
                );
            };

            anime();
          });
        }
      }

      const sketch = new Sketch("#sketch");
      sketch.create();
    </script>
  </body>
</html>