WIP marquee and some refactoring

src/components/marquee/Marquee.astro

@@ -14,124 +14,4 @@ import MarqueeContent from "./MarqueeContent.astro";
   <MarqueeContent/>
 </div>
 
-<script>
+<script src="@config/styling/marquee_old.ts"/>
-  const marquee = document.getElementById("marquee-content")!;
-  marquee.style.setProperty("--scroll", "0")
-  marquee.style.setProperty("--mult", "1")
-
-  window.addEventListener("load", autoplayInit, false);
-  let videos = document.getElementsByClassName("marquee-item-content") as HTMLCollectionOf<HTMLVideoElement>;
-  const videoCount = videos.length;
-  const lastVideoIndex = videos[videos.length - 1]
-  let currentVideoIndex = 0;
-  let currentVideo: HTMLVideoElement | null = null;
-
-  function autoplayInit() {
-    setActiveVideo(0);
-    currentVideo.play();
-    currentVideo.style.animationPlayState = "running";
-  }
-
-  function setActiveVideo(index: number) {
-    if (currentVideo) {
-      currentVideo.pause();
-    }
-
-    currentVideoIndex = index;
-    if (index === videos.length - 1) {
-      console.log("shift")
-
-      const shifted = videos.item(0);
-      marquee.firstElementChild.remove()
-      const video_div = document.createElement("div");
-
-      video_div.classList.add("marquee-item");
-      console.log("shift: ",video_div.classList.toString())
-
-      shifted.setAttribute("data-media-index", (index+1).toString())
-
-      video_div.appendChild(shifted);
-      marquee.appendChild(video_div);
-      videos = document.getElementsByClassName("marquee-item-content") as HTMLCollectionOf<HTMLVideoElement>;
-      currentVideoIndex = index - 1;
-      console.log("shift", marquee)
-    }
-    currentVideo = videos[currentVideoIndex];
-
-    currentVideo.currentTime = 0;
-    marquee.style.setProperty("--scroll", `-${currentVideoIndex*100}%`)
-    marquee.style.setProperty("--mult", `${currentVideoIndex + 1}`)
-  }
-
-  function offsetCarousel(offset: number) {
-    let nextIndex = currentVideoIndex + offset;
-    // if (nextIndex < 0) nextIndex += videoCount;
-    // nextIndex = nextIndex % videoCount;
-    setActiveVideo(nextIndex);
-  }
-
-  const intersectionOptions = {
-    root: marquee,
-    rootMargin: "0px",
-    threshold: 0.1,
-  };
-  const mult = marquee.style.getPropertyValue("--mult") ?? 0;
-
-  const observer = new IntersectionObserver((entries) => {
-    entries.forEach((entry) => {
-      const video = entry.target as HTMLVideoElement;
-
-      if (!entry.isIntersecting) {
-        video.pause();
-
-        video.style.animationName = "none";
-        void video.offsetWidth;
-
-        video.style.animationName = "fade";
-        video.style.animationDuration = "0.3s";
-        video.style.animationTimingFunction = "ease-in-out";
-        video.style.animationFillMode = "forwards";
-        video.style.animationDirection = "reverse";
-      } else if (video === currentVideo) {
-        video.play();
-
-        video.style.animationName = "none";
-        void video.offsetWidth;
-
-        video.style.animationName = "fade";
-        video.style.animationDuration = "0.3s";
-        video.style.animationTimingFunction = "ease-in-out";
-        video.style.animationFillMode = "forwards";
-        video.style.animationPlayState = "running";
-        video.style.animationDirection = "normal";
-      }
-    });
-  }, intersectionOptions);
-
-  for (const video of videos) {
-    observer.observe(video);
-
-    video.addEventListener("ended", () => {
-      // The "ended" event might just mean its buffering.
-      if (video == currentVideo && video.duration !== 0 && video.currentTime === video.duration) {
-        offsetCarousel(1);
-      }
-    });
-  }
-
-  let wasPaused = false;
-  document.addEventListener("visibilitychange", () => {
-    if (currentVideo) {
-      if (document.hidden) {
-        wasPaused = currentVideo.paused;
-        currentVideo.pause();
-      } else if (!wasPaused) {
-        currentVideo.play();
-      }
-    }
-  });
-
-  // left-right buttons
-  document.getElementById("marquee-scroll-left")!.addEventListener("mousedown", () => offsetCarousel(-1));
-  document.getElementById("marquee-scroll-right")!.addEventListener("mousedown", () => offsetCarousel(1));
-</script>

src/config/styling/marquee.ts

@@ -0,0 +1,200 @@
+// NOTE: at last index, append every item 1 by 1 starting from 0
+
+document.addEventListener("DOMContentLoaded", () => {
+  const container = document.querySelector(
+    ".marquee-item"
+  ) as HTMLDivElement;
+  const scroller = document.querySelector(
+    ".marquee-content"
+  ) as HTMLDivElement;
+  if (!scroller) {
+    return;
+  }
+
+  const sections = Array.from(
+    scroller.querySelectorAll(".marquee-item")
+  );
+
+  const smoothFactor = 0.05;
+  const touchSensitivity = 2.5;
+  const bufferSize = 2;
+
+  let targetScrollX = 0;
+  let currentScrollX = 0;
+  let isAnimating = false;
+
+  let isDown = false;
+  let lastTouchX = 0;
+  let touchVelocity = 0;
+  let lastTouchTime = 0;
+
+  const lerp = (start: number, end: number, factor: number) =>
+    start + (end - start) * factor;
+
+  const setupScroll = () => {
+    scroller.querySelectorAll(".clone").forEach(clone => {
+      clone.remove();
+    });
+
+    const originalSections = Array.from(
+      scroller.querySelectorAll(".marquee-item:not(.clone)")
+    );
+
+    const templateSections =
+      originalSections.length > 0 ? originalSections : sections;
+
+    let sequenceWidth = 0;
+    templateSections.forEach(section => {
+      sequenceWidth += parseFloat(
+        window.getComputedStyle(section).width
+      );
+    });
+
+    // Create clones before original sections
+    for (let i = -bufferSize; i < 0; i++) {
+      templateSections.forEach((section, index) => {
+        const clone = section.cloneNode(true) as HTMLDivElement;
+        clone.classList.add("clone");
+        clone.setAttribute("data-clone-index", `${i}-${index}`);
+        scroller.appendChild(clone);
+      });
+    }
+
+    // Add original sections if none exist
+    if (originalSections.length === 0) {
+      templateSections.forEach((section, index) => {
+        const clone = section.cloneNode(true) as HTMLDivElement;
+        clone.setAttribute("data-clone-index", `0-${index}`);
+        scroller.appendChild(clone);
+      });
+    }
+
+    // Create clones after original sections
+    for (let i = 1; i <= bufferSize; i++) {
+      templateSections.forEach((section, index) => {
+        const clone = section.cloneNode(true) as HTMLDivElement;
+        clone.classList.add("clone");
+        clone.setAttribute("data-clone-index", `${i}-${index}`);
+        scroller.appendChild(clone);
+      });
+    }
+
+    scroller.style.width = `${sequenceWidth * (1 + bufferSize * 2)}px`;
+    targetScrollX = sequenceWidth * bufferSize;
+    currentScrollX = targetScrollX;
+    scroller.style.transform = `translateX(-${currentScrollX}px)`;
+
+    return sequenceWidth;
+  };
+
+  const checkBoundaryAndReset = (sequenceWidth: number) => {
+    if (currentScrollX > sequenceWidth * (bufferSize + 0.5)) {
+      targetScrollX -= sequenceWidth;
+      currentScrollX -= sequenceWidth;
+      scroller.style.transform = `translateX(-${currentScrollX}px)`;
+      return true;
+    }
+
+    if (currentScrollX < sequenceWidth * (bufferSize - 0.5)) {
+      targetScrollX += sequenceWidth;
+      currentScrollX += sequenceWidth;
+      scroller.style.transform = `translateX(-${currentScrollX}px)`;
+      return true;
+    }
+
+    return false;
+  };
+
+  const animate = (
+    sequenceWidth: number,
+    forceProgressReset = false
+  ) => {
+    currentScrollX = lerp(
+      currentScrollX,
+      targetScrollX,
+      smoothFactor
+    );
+    scroller.style.transform = `translateX(-${currentScrollX}px)`;
+
+    if (Math.abs(targetScrollX - currentScrollX) > 0.01) {
+      requestAnimationFrame(() => animate(sequenceWidth));
+    } else {
+      isAnimating = false;
+    }
+  };
+
+  // Initialize
+  const sequenceWidth = setupScroll();
+
+  // Wheel event
+  container.addEventListener(
+    "wheel",
+    e => {
+      e.preventDefault();
+      targetScrollX += e.deltaY;
+
+      const needsReset = checkBoundaryAndReset(sequenceWidth);
+
+      if (!isAnimating) {
+        isAnimating = true;
+        requestAnimationFrame(() =>
+          animate(sequenceWidth, needsReset)
+        );
+      }
+    },
+    { passive: false }
+  );
+
+  // Touch events
+  container.addEventListener("touchstart", e => {
+    isDown = true;
+    lastTouchX = e.touches[0].clientX;
+    lastTouchTime = Date.now();
+    targetScrollX = currentScrollX;
+  });
+
+  container.addEventListener("touchmove", e => {
+    if (!isDown) return;
+    e.preventDefault();
+
+    const currentTouchX = e.touches[0].clientX;
+    const touchDelta = lastTouchX - currentTouchX;
+
+    targetScrollX += touchDelta * touchSensitivity;
+
+    const currentTime = Date.now();
+    const timeDelta = currentTime - lastTouchTime;
+    if (timeDelta > 0) {
+      touchVelocity = (touchDelta / timeDelta) * 15;
+    }
+    lastTouchX = currentTouchX;
+    lastTouchTime = currentTime;
+
+    const needsReset = checkBoundaryAndReset(sequenceWidth);
+    if (!isAnimating) {
+      isAnimating = true;
+      requestAnimationFrame(() =>
+        animate(sequenceWidth, needsReset)
+      );
+    }
+  });
+
+  container.addEventListener("touchend", () => {
+    isDown = false;
+
+    if (Math.abs(touchVelocity) > 0.1) {
+      targetScrollX += touchVelocity * 20;
+
+      const decayVelocity = () => {
+        touchVelocity *= 0.95;
+
+        if (Math.abs(touchVelocity) > 0.1) {
+          targetScrollX += touchVelocity;
+          requestAnimationFrame(decayVelocity);
+        }
+      };
+
+      requestAnimationFrame(decayVelocity);
+    }
+  });
+});

src/config/styling/marquee_old.ts

@@ -0,0 +1,144 @@
+document.addEventListener("DOMContentLoaded", () => {
+  const marquee = document.getElementById("marquee-content")!;
+  marquee.style.setProperty("--scroll", "0");
+
+  window.addEventListener("load", autoplayInit, false);
+  let videos = document.getElementsByClassName(
+    "marquee-item-content"
+  ) as HTMLCollectionOf<HTMLVideoElement>;
+  let vid_containers = document.getElementsByClassName(
+    "marquee-item"
+  ) as HTMLCollectionOf<HTMLDivElement>;
+
+  let currentVideoIndex = 0;
+  let currentVideo: HTMLVideoElement | null = null;
+
+  function autoplayInit() {
+    setActiveVideo(0);
+    if (currentVideo) {
+      currentVideo.play();
+      currentVideo.style.animationPlayState = "running";
+    }
+  }
+
+  function setActiveVideo(index: number) {
+    if (currentVideo) {
+      currentVideo.pause();
+    }
+
+    currentVideoIndex = index;
+    currentVideo = videos[currentVideoIndex];
+
+    currentVideo.currentTime = 0;
+    marquee.style.setProperty("--scroll", `-${index * 100}%`);
+    marquee.style.setProperty("--mult", `${index + 1}`);
+  }
+
+  function offsetCarousel(offset: number) {
+    let nextIndex = currentVideoIndex + offset;
+
+    if (nextIndex === videos.length - 1) {
+      nextIndex = shiftItems(nextIndex);
+      marquee.style.setProperty(
+        "--scroll",
+        `-${(nextIndex - 1) * 100}%`
+      );
+      marquee.style.setProperty("--mult", `${nextIndex - 1}`);
+    }
+
+    // NOTE: previous behavior
+    // nextIndex = nextIndex % videos.length;
+
+    setActiveVideo(nextIndex);
+  }
+
+  function shiftItems(index: number) {
+    const vid_arr = Array.from(vid_containers);
+    const shifted = vid_arr.shift()! as HTMLDivElement;
+
+    shifted.setAttribute("clone", "");
+
+    marquee.firstElementChild?.remove();
+    marquee.appendChild(shifted);
+
+    videos = marquee.getElementsByClassName(
+      "marquee-item-content"
+    ) as HTMLCollectionOf<HTMLVideoElement>;
+    vid_containers = document.getElementsByClassName(
+      "marquee-item"
+    ) as HTMLCollectionOf<HTMLDivElement>;
+    return index - 1;
+  }
+
+  const intersectionOptions = {
+    root: marquee,
+    rootMargin: "0px",
+    threshold: 0.0,
+  };
+
+  const observer = new IntersectionObserver(entries => {
+    entries.forEach(entry => {
+      const video = entry.target as HTMLVideoElement;
+
+      if (!entry.isIntersecting) {
+        video.pause();
+
+        video.style.animationName = "none";
+        void video.offsetWidth;
+
+        video.style.animationName = "fade";
+        video.style.animationDuration = "0.3s";
+        video.style.animationTimingFunction = "ease-in-out";
+        video.style.animationFillMode = "forwards";
+        video.style.animationDirection = "reverse";
+      } else if (video === currentVideo) {
+        video.play();
+
+        video.style.animationName = "none";
+        void video.offsetWidth;
+
+        video.style.animationName = "fade";
+        video.style.animationDuration = "0.3s";
+        video.style.animationTimingFunction = "ease-in-out";
+        video.style.animationFillMode = "forwards";
+        video.style.animationPlayState = "running";
+        video.style.animationDirection = "normal";
+      }
+    });
+  }, intersectionOptions);
+
+  for (const video of videos) {
+    observer.observe(video);
+
+    video.addEventListener("ended", () => {
+      // The "ended" event might just mean its buffering.
+      if (
+        video === currentVideo &&
+        video.duration !== 0 &&
+        video.currentTime === video.duration
+      ) {
+        offsetCarousel(1);
+      }
+    });
+  }
+
+  let wasPaused = false;
+  document.addEventListener("visibilitychange", () => {
+    if (currentVideo) {
+      if (document.hidden) {
+        wasPaused = currentVideo.paused;
+        currentVideo.pause();
+      } else if (!wasPaused) {
+        currentVideo.play();
+      }
+    }
+  });
+
+  // left-right buttons
+  document
+    .getElementById("marquee-scroll-left")!
+    .addEventListener("mousedown", () => offsetCarousel(-1));
+  document
+    .getElementById("marquee-scroll-right")!
+    .addEventListener("mousedown", () => offsetCarousel(1));
+});

src/config/styling/progressBars.ts

@@ -0,0 +1,52 @@
+document.addEventListener("DOMContentLoaded", () => {
+  let currentProgressScale = 0;
+  let targetProgressScale = 0;
+  let lastPercentage = 0;
+  const progressCounter = document.querySelector(
+    ".progress-counter h1"
+  );
+  const progressBar = document.querySelector(
+    ".progress-bar"
+  ) as HTMLDivElement;
+
+  const updateProgress = (
+    sequenceWidth: number,
+    forceReset = false
+  ) => {
+    const basePosition = sequenceWidth * bufferSize;
+    const currentPosition =
+      (currentScrollX - basePosition) % sequenceWidth;
+    let percentage = (currentPosition / sequenceWidth) * 100;
+
+    if (percentage < 0) {
+      percentage = 100 + percentage;
+    }
+
+    const isWrapping =
+      (lastPercentage > 80 && percentage < 20) ||
+      (lastPercentage < 20 && percentage > 80) ||
+      forceReset;
+
+    progressCounter.textContent = `${Math.round(percentage)}`;
+    targetProgressScale = percentage / 100;
+
+    if (isWrapping) {
+      currentProgressScale = targetProgressScale;
+      progressBar.style.transform = `scaleX(${currentProgressScale})`;
+    }
+
+    lastPercentage = percentage;
+  };
+  updateProgress(sequenceWidth, true);
+  progressBar.style.transform = `scaleX(${currentProgressScale})`;
+  updateProgress(sequenceWidth, forceProgressReset);
+
+  if (!forceProgressReset) {
+    currentProgressScale = lerp(
+      currentProgressScale,
+      targetProgressScale,
+      smoothFactor
+    );
+  }
+  progressBar.style.transform = `scaleX(${currentProgressScale})`;
+});

src/styles/components/marquee.css

@@ -29,17 +29,18 @@
   position: relative;
   display: flex;
   width: 100%;
-  margin-block: var(--lg);
+  margin-block: var(--xl);
   justify-content: space-between;
   align-items: center;
   scroll-snap-type: x mandatory;
 }
 
 .marquee-content {
-  width: 100%;
   height: 100%;
   overflow: hidden;
   display: flex;
+  will-change: transform;
+  transform: translateX(0);
 }
 
 .marquee-item {

src/styles/css-config/base.css

@@ -7,6 +7,8 @@ html {
   font-weight: 400;
 
   height: 100svh;
+  width: 100svw;
+  max-width: 100svw;
 
   font-synthesis: none;
   text-rendering: optimizeLegibility;