From 1a8ec25c000bbc01a02eeab8f25c2ec3ab5db829 Mon Sep 17 00:00:00 2001
From: Michael Foiani <sotech117@michaels-mbp-21.devices.brown.edu>
Date: Fri, 2 Sep 2022 10:44:54 -0400
Subject: first rendition - got feeback

---
 index.js | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 index.js

(limited to 'index.js')

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..9d8d1f3
--- /dev/null
+++ b/index.js
@@ -0,0 +1,61 @@
+particlesJS.load('particles-js', '/particles.json', () =>
+    console.log('callback - particles.js config loaded')
+);
+//
+// //canvas of the particles
+// const particleWrapper = document.querySelector('#particles-js')
+// console.log(document.body.scrollHeight, particleWrapper.style.height)
+
+const thresholdFidelity = 500;
+
+// const particleObserver = new IntersectionObserver(entries => {
+//     // note - if the boundingClientRect.y is negative, then they are scrolling down
+//     // note - since using id, only 1 entry
+//     console.log(entries[0])
+//     const {intersectionRatio, boundingClientRect} = entries[0];
+//     if (intersectionRatio !== 1) {
+//         console.log(particleWrapper.style)
+//         particleWrapper.style.top = `${parseFloat(particleWrapper.style.top.replace('px', '')) - boundingClientRect.top}px`;
+//     }
+// }, {
+//     threshold: .5
+// });
+// particleObserver.observe(particleWrapper)
+
+// mutation observer for the video element
+const videoTitle = document.querySelector('#video-title');
+console.log(videoTitle);
+
+
+const observer = new IntersectionObserver(entries => {
+    // note - if the boundingClientRect.y is negative, then they are scrolling down
+    // note - since using id, only 1 entry
+    const {intersectionRatio, boundingClientRect} = entries[0];
+    if (intersectionRatio !== 1 && boundingClientRect.y <= 0) {
+        videoTitle.currentTime = 5 - 2 * intersectionRatio;
+    } else {
+        videoTitle.currentTime = 2;
+    }
+}, {
+    threshold: [...Array(thresholdFidelity).keys()].map(num => num/thresholdFidelity)
+});
+
+// after two seconds pause the video
+setTimeout(() => {
+    console.log('fired')
+    videoTitle.pause();
+    videoTitle.currentTime = 2;
+    observer.observe(videoTitle);
+}, 2500)
+
+// math for interactive conic border on weekly specials
+const conicElement = document.querySelector('.conic-border');
+window.addEventListener('mousemove', ({ clientX, clientY }) => {
+    const { x, y, width, height } = conicElement.getBoundingClientRect();
+    const dx = clientX - (x + 0.5 * width);
+    const dy = clientY - (y + 0.5 * height);
+    const angle = Math.atan2(dy, dx) * 180 / Math.PI;
+
+    conicElement.style.setProperty('--startDeg', `${angle + 90}deg`);
+}, false);
+
-- 
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