fix: performance fixes for dtmc animation

apps/scandic-web/components/MyPages/DigitalTeamMemberCard/Content.tsx

@@ -1,11 +1,6 @@
-import {
-  type CSSProperties,
-  type MouseEvent,
-  type TouchEvent,
-  useEffect,
-  useRef,
-  useState,
-} from "react"
+"use client"
+
+import { useEffect, useRef, useState } from "react"
 import { useIntl } from "react-intl"
 
 import { Typography } from "@scandic-hotels/design-system/Typography"
@@ -27,6 +22,7 @@ export default function DigitalTeamMemberCardContent({
   const cardRef = useRef<HTMLDivElement>(null)
   const [isHovering, setIsHovering] = useState(false)
   const [coords, setCoords] = useState({ x: 0, y: 0 })
+  const shimmerRef = useRef<HTMLDivElement>(null)
   const [rect, setRect] = useState<DOMRect>({
     top: 0,
     left: 0,
@@ -38,8 +34,6 @@ export default function DigitalTeamMemberCardContent({
     y: 0,
     toJSON() {},
   })
-  let ticking = false
-  let animationFrame = 0
 
   useEffect(() => {
     const observer = new ResizeObserver(
@@ -56,82 +50,67 @@ export default function DigitalTeamMemberCardContent({
     }
   }, [])
 
-  function requestTick(
-    evt: MouseEvent<HTMLDivElement> | TouchEvent<HTMLDivElement>
-  ) {
-    if (!ticking) {
-      animationFrame = requestAnimationFrame(update(evt))
+  function onInteractionMove(e: React.MouseEvent | React.TouchEvent) {
+    let x, y
+    if ("touches" in e) {
+      x = e.touches[0].clientX - rect.left
+      y = e.touches[0].clientY - rect.top
+    } else {
+      x = e.clientX - rect.left
+      y = e.clientY - rect.top
     }
-    ticking = true
-  }
-
-  function onInteractionMove(
-    evt: MouseEvent<HTMLDivElement> | TouchEvent<HTMLDivElement>
-  ) {
-    requestTick(evt)
-  }
-
-  function update(
-    evt: MouseEvent<HTMLDivElement> | TouchEvent<HTMLDivElement>
-  ) {
-    return () => {
-      let x, y
-      if ("touches" in evt) {
-        x = evt.touches[0].clientX - rect.left
-        y = evt.touches[0].clientY - rect.top
-      } else {
-        x = evt.clientX - rect.left
-        y = evt.clientY - rect.top
-      }
-      setCoords({ x, y })
-    }
-  }
-
-  function getShimmerStyle(): CSSProperties {
-    const { x, y } = coords
-    const oppositeX = 100 - (x / rect.width) * 100
-    const oppositeY = 100 - (y / rect.height) * 100
-    return {
-      background: `radial-gradient(circle at ${oppositeX}% ${oppositeY}%, rgb(233 171 163 / 40%) 0%, rgb(255 255 255 / 0%) 50%)`,
-      opacity: isHovering ? 1 : 0,
-    }
-  }
-
-  function getSkewStyle(): CSSProperties {
-    const { x, y } = coords
     const centerX = rect.width / 2
     const centerY = rect.height / 2
-    const rotateY = ((x - centerX) / centerX) * 5 // Max 5 degrees
-    const rotateX = ((centerY - y) / centerY) * 5 // Max 5 degrees
 
-    return {
-      transform: isHovering
-        ? `rotateX(${rotateX}deg) rotateY(${rotateY}deg)`
-        : "rotateX(0) rotateY(0)",
+    const rotateY = ((x - centerX) / centerX) * 8
+    const rotateX = ((centerY - y) / centerY) * 8
+
+    // Update shimmer position to be in the opposite corner
+    if (shimmerRef.current) {
+      // Calculate opposite position (invert percentage within bounds)
+      const oppositeX = 100 - (x / rect.width) * 100
+      const oppositeY = 100 - (y / rect.height) * 100
+
+      shimmerRef.current.style.background = `radial-gradient(
+        circle at ${oppositeX}% ${oppositeY}%,
+        rgba(233, 171, 163, 0.4) 0%,
+        rgba(255, 255, 255, 0) 50%
+      )`
     }
+    setCoords({ x: rotateX, y: rotateY })
   }
 
-  function handleInteractionStart() {
+  function onInteractionStart() {
     setIsHovering(true)
   }
 
-  function handleInteractionEnd() {
+  function onInteractionEnd() {
     setIsHovering(false)
-    cancelAnimationFrame(animationFrame)
+    setCoords({ x: 0, y: 0 })
   }
 
   return (
     <div
       className={styles.cardContainer}
-      onMouseEnter={handleInteractionStart}
-      onMouseMove={onInteractionMove}
-      onMouseLeave={handleInteractionEnd}
-      onTouchStart={handleInteractionStart}
+      ref={cardRef}
+      onTouchStart={onInteractionStart}
       onTouchMove={onInteractionMove}
-      onTouchEnd={handleInteractionEnd}
+      onTouchEnd={onInteractionEnd}
+      onMouseEnter={onInteractionStart}
+      onMouseMove={onInteractionMove}
+      onMouseLeave={onInteractionEnd}
     >
-      <div className={styles.card} ref={cardRef} style={getSkewStyle()}>
-        <div className={styles.shimmer} style={getShimmerStyle()} />
+      <div
+        className={styles.card}
+        style={{
+          transform: `rotateX(${coords.x}deg) rotateY(${coords.y}deg)`,
+        }}
+      >
+        <div
+          className={styles.shimmer}
+          ref={shimmerRef}
+          style={{ opacity: isHovering ? 1 : 0 }}
+        />
         <div className={styles.content}>
           <Typography variant="Tag/sm">
             <div className={styles.top}>

apps/scandic-web/components/MyPages/DigitalTeamMemberCard/digitalTeamMemberCard.module.css

@@ -28,6 +28,7 @@
 .shimmer {
   position: absolute;
   inset: 0;
+  pointer-events: none;
   z-index: 3;
   opacity: 0;
   transition: opacity 0.3s ease;
@@ -35,16 +36,18 @@
 }
 
 .card {
+  touch-action: none;
   overflow: hidden;
   border-radius: var(--Corner-radius-lg);
-  box-shadow: 0 2px 1px rgb(255 255 255 / 11%) inset;
   padding: var(--Space-x2);
   height: 400px;
   width: 327px;
   max-width: 100%;
   color: var(--Text-Brand-OnPrimary-3-Accent);
   background-color: var(--Surface-Brand-Primary-1-OnSurface-Default);
-  box-shadow: 0 4px 44px rgb(0 0 0 / 25%);
+  box-shadow:
+    0 2px 1px rgb(255 255 255 / 11%) inset,
+    0 4px 44px rgb(0 0 0 / 25%);
   transition: transform 0.3s ease-out;
   will-change: transform;
   user-select: none;