CodePen Embed - ⭐️ Button

<button class="button-star">
  <canvas></canvas>
  <div class="label">
    <span class="default">Star<span class="success">red</span></span>
  </div>
  <div class="number">
    <span class="current">31</span>
    <span class="new">32</span>
    <div class="add">+1</div>
  </div>
</button>

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/110/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/mrdoob/three.js@r110/examples/js/loaders/DRACOLoader.js"></script>
<script src="https://cdn.jsdelivr.net/gh/mrdoob/three.js@r110/examples/js/loaders/GLTFLoader.js"></script>

<!-- twitter -->
<a class="twitter" target="_top" href="https://twitter.com/aaroniker_me"><svg xmlns="http://www.w3.org/2000/svg" width="72" height="72" viewBox="0 0 72 72"><path d="M67.812 16.141a26.246 26.246 0 0 1-7.519 2.06 13.134 13.134 0 0 0 5.756-7.244 26.127 26.127 0 0 1-8.313 3.176A13.075 13.075 0 0 0 48.182 10c-7.229 0-13.092 5.861-13.092 13.093 0 1.026.118 2.021.338 2.981-10.885-.548-20.528-5.757-26.987-13.679a13.048 13.048 0 0 0-1.771 6.581c0 4.542 2.312 8.551 5.824 10.898a13.048 13.048 0 0 1-5.93-1.638c-.002.055-.002.11-.002.162 0 6.345 4.513 11.638 10.504 12.84a13.177 13.177 0 0 1-3.449.457c-.846 0-1.667-.078-2.465-.231 1.667 5.2 6.499 8.986 12.23 9.09a26.276 26.276 0 0 1-16.26 5.606A26.21 26.21 0 0 1 4 55.976a37.036 37.036 0 0 0 20.067 5.882c24.083 0 37.251-19.949 37.251-37.249 0-.566-.014-1.134-.039-1.694a26.597 26.597 0 0 0 6.533-6.774z"></path></svg></a>

.button-star {
  --button-label-x: 24px;
  --button-label-success-opacity: 0;
  --button-star-scale: 0.75;
  --button-star-greyscale: 85%;
  --button-star-hue: 170deg;
  --button-star-opacity: 0.45;
  --button-star-add-opacity: 0;
  --button-star-add-y: 16px;
  --button-star-current-opacity: 1;
  --button-star-current-y: 0px;
  --button-star-new-opacity: 0;
  --button-star-new-y: 16px;

  appearance: none;
  border: none;
  cursor: pointer;
  background-color: #1f2024;
  color: #fff;
  border-radius: 13px;
  outline: none;
  margin: 0;
  padding: 0;
  font-family: "Poppins";
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  position: relative;
  text-align: center;
  display: flex;
  box-shadow: inset 0 0 0 1px #35373f, 0px 1px 3px rgba(52, 54, 63, 0.1),
    0px 4px 10px rgba(52, 54, 63, 0.15);
  transition: transform 0.15s;
  transform: translateZ(0);

  &:active {
    transform: scale(0.985, 0.98) translateZ(0);
  }

  canvas {
    display: block;
    width: 400px;
    height: 200px;
    position: absolute;
    z-index: 1;
    left: -176px;
    top: -84px;
    pointer-events: none;
    filter: Grayscale(var(--button-star-greyscale))
      hue-rotate(var(--button-star-hue));
    transform: scale(var(--button-star-scale));
    transform-origin: 50% 52%;
    opacity: var(--button-star-opacity);
  }

  .label {
    width: 90px;
    padding: 10px 0;
    transform: translateZ(0);

    .default {
      display: block;
      transform: translateX(var(--button-label-x));
      .success {
        opacity: var(--button-label-success-opacity);
      }
    }
  }

  .number {
    padding: 10px 0;
    width: 44px;
    position: relative;
    transform: translateZ(0);

    &:before {
      content: "";
      position: absolute;
      left: 0;
      top: 1px;
      bottom: 1px;
      width: 1px;
      background-color: #35373f;
    }

    .current {
      color: #8a8d9b;
      opacity: var(--button-star-current-opacity);
      transform: translateY(var(--button-star-current-y));
      transition: color 0.2s;
      display: block;
    }

    .new {
      opacity: var(--button-star-new-opacity);
      transform: translateY(var(--button-star-new-y));
      color: #fbfaaa;
      position: absolute;
      top: 10px;
      left: 0;
      right: 0;
      display: block;
    }

    .add {
      position: absolute;
      bottom: 100%;
      left: 0;
      right: 0;
      opacity: var(--button-star-add-opacity);
      transform: translateY(var(--button-star-add-y));
      pointer-events: none;
      color: #d0d0db;
      display: block;
    }
  }
}

html {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

* {
    box-sizing: inherit;
    &:before,
    &:after {
        box-sizing: inherit;
    }
}

// Center & dribbble
body {
    min-height: 100vh;
    display: flex;
    font-family: 'Inter', Arial;
    justify-content: center;
    align-items: center;
    background: #f4f5fa;
    .twitter {
        position: fixed;
        display: block;
        right: 12px;
        bottom: 12px;
        svg {
            width: 32px;
            height: 32px;
            fill: #1da1f2;
        }
    }
}

View Compiled

const addLight = (x, y, z, i, s) => {
  const light = new THREE.PointLight(0xffffff, i);
  light.position.set(x, y, z);
  s.add(light);
};

document.querySelectorAll(".button-star").forEach((button) => {
  const width = 400;
  const height = 200;

  const canvas = button.querySelector("canvas");

  const renderer = new THREE.WebGLRenderer({
    canvas: canvas,
    context: canvas.getContext("webgl2"),
    antialias: true,
    alpha: true,
  });

  renderer.setSize(width, height);
  renderer.setPixelRatio(4);

  const scene = new THREE.Scene();
  const camera = new THREE.PerspectiveCamera(45, width / height, 4, 100);

  camera.position.set(0, 0, 30);

  addLight(0, 1, 5, 0.2, scene);
  addLight(0, 2, 0, 0.3, scene);
  addLight(5, 0, 1, 0.2, scene);
  addLight(-5, 0, 1, 0.2, scene);
  addLight(3, 0, 5, 0.6, scene);

  scene.add(new THREE.AmbientLight(0xffffff));

  const loader = new THREE.GLTFLoader();

  loader.setCrossOrigin("anonymous");
  loader.setDRACOLoader(new THREE.DRACOLoader());

  loader.load(
    "https://assets.codepen.io/165585/star-default.glb",
    function (data) {
      const object = data.scene;
      object.position.set(0, -0.5, 0);
      scene.add(object);

      let scaleTween, rotateTweenXZ, rotateTweenY, rotateTweenZ;

      button.addEventListener("pointerenter", () => {
        if (button.classList.contains("active")) {
          return;
        }

        scaleTween = gsap.to(button, {
          "--button-star-scale": 1,
          ease: "elastic.out(1, .75)",
          duration: 0.5,
        });
        gsap.to(button, {
          "--button-star-greyscale": "0%",
          "--button-star-hue": "0deg",
          "--button-star-opacity": 1,
          duration: 0.15,
        });

        rotateTweenXZ = gsap.to(object.rotation, {
          duration: 0.25,
          x: THREE.Math.degToRad(4),
          z: THREE.Math.degToRad(12),
          ease: "none",
        });

        rotateTweenY = gsap.to(object.rotation, {
          duration: 1.5,
          y: THREE.Math.degToRad(360),
          ease: "none",
          repeat: -1,
        });

        rotateTweenZ = gsap.to(object.rotation, {
          duration: 4.5,
          keyframes: [
            {
              ease: "none",
              z: THREE.Math.degToRad(5),
            },
            {
              ease: "none",
              z: THREE.Math.degToRad(12),
            },
          ],
          repeat: -1,
        });
      });

      button.addEventListener("pointerleave", () => {
        if (button.classList.contains("active")) {
          return;
        }

        scaleTween.kill();
        rotateTweenXZ.kill();
        rotateTweenY.kill();
        rotateTweenZ.kill();
        gsap.to(button, {
          "--button-star-scale": 0.75,
          "--button-star-greyscale": "85%",
          "--button-star-hue": "170deg",
          "--button-star-opacity": 0.45,
          duration: 0.2,
        });
        gsap.to(object.rotation, {
          duration: 0.3,
          x: THREE.Math.degToRad(0),
          y: THREE.Math.degToRad(0),
          z: THREE.Math.degToRad(0),
        });
      });

      button.addEventListener("click", () => {
        if (button.classList.contains("active")) {
          gsap.to(button, {
            "--button-label-x": "24px",
            "--button-label-success-opacity": 0,
            "--button-star-opacity": 0.45,
            "--button-star-current-opacity": 1,
            "--button-star-current-y": "0px",
            "--button-star-new-opacity": 0,
            "--button-star-new-y": "16px",
            duration: 0.25,
            clearProps: true,
            onComplete() {
              button.classList.remove("active");
            },
          });
          return;
        }
        scaleTween.kill();
        rotateTweenY.kill();

        button.classList.add("active");

        gsap.to(button, {
          "--button-star-current-opacity": 0,
          "--button-star-current-y": "-16px",
          "--button-star-new-opacity": 1,
          "--button-star-new-y": "0px",
          "--button-star-add-opacity": 1,
          duration: 0.25,
          delay: 0.5,
        });

        gsap.to(button, {
          "--button-label-x": "0px",
          "--button-label-success-opacity": 1,
          duration: 0.25,
          delay: 0.2,
        });

        gsap.to(button, {
          "--button-star-add-opacity": 0,
          duration: 0.2,
          delay: 0.75,
        });

        gsap.to(button, {
          "--button-star-add-y": "-8px",
          duration: 0.5,
          delay: 0.5,
        });

        gsap.to(button, {
          "--button-star-scale": 1,
          "--button-star-greyscale": "0%",
          "--button-star-hue": "0deg",
          "--button-star-opacity": 1,
          duration: 0.15,
        });

        gsap.to(object.rotation, {
          duration: 0.4,
          y: THREE.Math.degToRad(0),
        });

        gsap.to(object.position, {
          duration: 0.7,
          motionPath: {
            path: [
              {
                x: 0,
                y: -0.5,
              },
              {
                x: 5.45,
                y: -5,
              },
              {
                x: 10.9,
                y: -0.5,
              },
              {
                x: 7,
                y: 7,
              },
            ],
            curviness: 1.2,
          },
          ease: "sine.in",
        });

        gsap.to(button, {
          "--button-star-opacity": 0,
          duration: 0.1,
          delay: 0.6,
          onComplete() {
            object.rotation.x = THREE.Math.degToRad(0);
            object.rotation.y = THREE.Math.degToRad(0);
            object.rotation.z = THREE.Math.degToRad(0);
            object.position.set(0, -0.5, 0);
            gsap.set(button, {
              "--button-star-scale": 0.75,
              "--button-star-greyscale": "85%",
              "--button-star-hue": "170deg",
              "--button-star-opacity": 0,
            });
          },
        });
      });
    }
  );

  const render = () => {
    requestAnimationFrame(render);

    renderer.render(scene, camera);
  };

  render();
});

This Pen is owned by Aaron Iker on CodePen.

See more by @aaroniker on CodePen

External CSS

https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap

External CSS

External JavaScript