From d2a2ebb4df052016f6f977f98b835e2132d8316f Mon Sep 17 00:00:00 2001
From: bender <kudin.dima@gmail.com>
Date: Tue, 3 Mar 2026 04:48:18 +0000
Subject: [PATCH] Update src/components/cardStack/hooks/useDepth3DAnimation.ts

---
 .../cardStack/hooks/useDepth3DAnimation.ts    | 133 +++---------------
 1 file changed, 21 insertions(+), 112 deletions(-)

diff --git a/src/components/cardStack/hooks/useDepth3DAnimation.ts b/src/components/cardStack/hooks/useDepth3DAnimation.ts
index 1966225..89dfd74 100644
--- a/src/components/cardStack/hooks/useDepth3DAnimation.ts
+++ b/src/components/cardStack/hooks/useDepth3DAnimation.ts
@@ -1,118 +1,27 @@
-import { useEffect, useState, useRef, RefObject } from "react";
+import { useEffect } from "react";
+import gsap from "gsap";
 
-const MOBILE_BREAKPOINT = 768;
-const ANIMATION_SPEED = 0.05;
-const ROTATION_SPEED = 0.1;
-const MOUSE_MULTIPLIER = 0.5;
-const ROTATION_MULTIPLIER = 0.25;
-
-interface UseDepth3DAnimationProps {
-  itemRefs: RefObject<(HTMLElement | null)[]>;
-  containerRef: RefObject<HTMLDivElement | null>;
-  perspectiveRef?: RefObject<HTMLDivElement | null>;
-  isEnabled: boolean;
-}
-
-export const useDepth3DAnimation = ({
-  itemRefs,
-  containerRef,
-  perspectiveRef,
-  isEnabled,
-}: UseDepth3DAnimationProps) => {
-  const [isMobile, setIsMobile] = useState(false);
-
-  // Detect mobile viewport
+export const useDepth3DAnimation = (containerRef: React.RefObject<HTMLDivElement>) => {
   useEffect(() => {
-    const checkMobile = () => {
-      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
-    };
+    if (!containerRef.current) return;
 
-    checkMobile();
-    window.addEventListener("resize", checkMobile);
+    const container = containerRef.current;
+    const cards = container.querySelectorAll("[data-card]");
 
-    return () => {
-      window.removeEventListener("resize", checkMobile);
-    };
-  }, []);
-
-  // 3D mouse-tracking effect (desktop only)
-  useEffect(() => {
-    if (!isEnabled || isMobile) return;
-
-    let animationFrameId: number;
-    let isAnimating = true;
-
-    // Apply perspective to the perspective ref (grid) if provided, otherwise to container (section)
-    const perspectiveElement = perspectiveRef?.current || containerRef.current;
-    if (perspectiveElement) {
-      perspectiveElement.style.perspective = "1200px";
-      perspectiveElement.style.transformStyle = "preserve-3d";
-    }
-
-    let mouseX = 0;
-    let mouseY = 0;
-    let isMouseInSection = false;
-
-    let currentX = 0;
-    let currentY = 0;
-    let currentRotationX = 0;
-    let currentRotationY = 0;
-
-    const handleMouseMove = (event: MouseEvent): void => {
-      if (containerRef.current) {
-        const rect = containerRef.current.getBoundingClientRect();
-        isMouseInSection =
-          event.clientX >= rect.left &&
-          event.clientX <= rect.right &&
-          event.clientY >= rect.top &&
-          event.clientY <= rect.bottom;
-      }
-
-      if (isMouseInSection) {
-        mouseX = (event.clientX / window.innerWidth) * 100 - 50;
-        mouseY = (event.clientY / window.innerHeight) * 100 - 50;
-      }
-    };
-
-    const animate = (): void => {
-      if (!isAnimating) return;
-
-      if (isMouseInSection) {
-        const distX = mouseX * MOUSE_MULTIPLIER - currentX;
-        const distY = mouseY * MOUSE_MULTIPLIER - currentY;
-        currentX += distX * ANIMATION_SPEED;
-        currentY += distY * ANIMATION_SPEED;
-
-        const distRotX = -mouseY * ROTATION_MULTIPLIER - currentRotationX;
-        const distRotY = mouseX * ROTATION_MULTIPLIER - currentRotationY;
-        currentRotationX += distRotX * ROTATION_SPEED;
-        currentRotationY += distRotY * ROTATION_SPEED;
-      } else {
-        currentX += -currentX * ANIMATION_SPEED;
-        currentY += -currentY * ANIMATION_SPEED;
-        currentRotationX += -currentRotationX * ROTATION_SPEED;
-        currentRotationY += -currentRotationY * ROTATION_SPEED;
-      }
-
-      itemRefs.current?.forEach((ref) => {
-        if (!ref) return;
-        ref.style.transform = `translate(${currentX}px, ${currentY}px) rotateX(${currentRotationX}deg) rotateY(${currentRotationY}deg)`;
+    // Add scroll-triggered 3D animations
+    cards.forEach((card, index) => {
+      gsap.from(card, {
+        opacity: 0,
+        y: 50,
+        rotationX: 10,
+        duration: 0.8,
+        delay: index * 0.1,
+        scrollTrigger: {
+          trigger: card,
+          start: "top 80%",          end: "top 20%",          scrub: 1,
+          markers: false
+        }
       });
-
-      animationFrameId = requestAnimationFrame(animate);
-    };
-
-    animate();
-    window.addEventListener("mousemove", handleMouseMove);
-
-    return () => {
-      window.removeEventListener("mousemove", handleMouseMove);
-      if (animationFrameId) {
-        cancelAnimationFrame(animationFrameId);
-      }
-      isAnimating = false;
-    };
-  }, [isEnabled, isMobile, itemRefs, containerRef]);
-
-  return { isMobile };
+    });
+  }, [containerRef]);
 };