磁悬停交互

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html

css

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html

css

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #121212;
  cursor: none;
}

.cursor {
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 100;
}
.cursor--large {
  --size: 40px;
  border: 1px solid #ff3c3c;
}
.cursor--small {
  --size: 10px;
  background: #ff3c3c;
  transform: translate(-50%, -50%);
}

main {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
main button {
  --size: 60px;
  border: none;
  min-width: var(--size);
  min-height: var(--size);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: background 200ms ease, color 200ms ease;
  cursor: none;
}
main:hover button {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.04);
}
main:hover button:hover {
  color: #fff;
}

JavaScript

console.clear();

const { gsap } = window;

const cursorOuter = document.querySelector(".cursor--large");
const cursorInner = document.querySelector(".cursor--small");
let isStuck = false;
let mouse = {
	x: -100,
	y: -100,
};

// Just in case you need to scroll
let scrollHeight = 0;
window.addEventListener('scroll', function(e) {
	scrollHeight = window.scrollY
})

let cursorOuterOriginalState = {
	width: cursorOuter.getBoundingClientRect().width,
	height: cursorOuter.getBoundingClientRect().height,
};
const buttons = document.querySelectorAll("main button");

buttons.forEach((button) => {
	button.addEventListener("pointerenter", handleMouseEnter);
	button.addEventListener("pointerleave", handleMouseLeave);
});

function updateCursorPosition(e) {
	mouse.x = e.pageX;
	mouse.y = e.pageY;
}

function updateCursor() {
	gsap.set(cursorInner, {
		x: mouse.x,
		y: mouse.y,
	});

if (!isStuck) {
		gsap.to(cursorOuter, {
			duration: 0.15,
			x: mouse.x - cursorOuterOriginalState.width/2,
			y: mouse.y - cursorOuterOriginalState.height/2,
		});
	}

requestAnimationFrame(updateCursor);
}

updateCursor();

function handleMouseEnter(e) {
	isStuck = true;
	const targetBox = e.currentTarget.getBoundingClientRect();
	gsap.to(cursorOuter, 0.2, {
		x: targetBox.left, 
		y: targetBox.top + scrollHeight,
		width: targetBox.width,
		height: targetBox.width,
		borderRadius: 0,
		backgroundColor: "rgba(255, 255, 255, 0.1)",
	});
}

function handleMouseLeave(e) {
	isStuck = false;
	gsap.to(cursorOuter, 0.2, {
		width: cursorOuterOriginalState.width,
		height: cursorOuterOriginalState.width,
		borderRadius: "50%",
		backgroundColor: "transparent",
	});
}

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