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| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Frame Animation</title>
<style>
* {
margin: 0;
padding: 0;
}
#particles-js {
position: absolute;
width: 100%;
height: 100%;
background-color: #000;
}
#particles-js canvas {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
</style>
</head>
<body>
<div id="particles-js"></div>
<script src="https://cdn.jsdelivr.net/particles.js/2.0.0/particles.min.js"></script>
<script>
let lastTime = performance.now();
particlesJS("particles-js", {
"particles": {
"number": {
"value": 180,
"density": {
"enable": true,
"value_area": 800
}
},
"color": {
"value": "#ffffff"
},
"shape": {
"type": "circle",
"stroke": {
"width": 0,
"color": "#000000"
},
"polygon": {
"nb_sides": 5
},
"image": {
"src": "img/github.svg",
"width": 100,
"height": 100
}
},
"opacity": {
"value": 0.5,
"random": false,
"anim": {
"enable": false,
"speed": 1,
"opacity_min": 0.1,
"sync": false
}
},
"size": {
"value": 2,
"random": true,
"anim": {
"enable": false,
"speed": 40,
"size_min": 0.1,
"sync": false
}
},
"line_linked": {
"enable": false,
"distance": 150,
"color": "#ffffff",
"opacity": 0.4,
"width": 1
},
"move": {
"enable": true,
"speed": 2,
"direction": "bottom-right",
"random": false,
"straight": false,
"out_mode": "out",
"attract": {
"enable": false,
"rotateX": 600,
"rotateY": 1200
}
}
},
"interactivity": {
"detect_on": "canvas",
"events": {
"onhover": {
"enable": false,
"mode": "repulse"
},
"onclick": {
"enable": true,
"mode": "push"
},
"resize": true
},
"modes": {
"grab": {
"distance": 400,
"line_linked": {
"opacity": 1
}
},
"bubble": {
"distance": 400,
"size": 40,
"duration": 2,
"opacity": 8,
"speed": 3
},
"repulse": {
"distance": 200
},
"push": {
"particles_nb": 4
},
"remove": {
"particles_nb": 2
}
}
},
"retina_detect": true,
"config_demo": {
"hide_card": false,
"background_color": "#b61924",
"background_image": "",
"background_position": "50% 50%",
"background_repeat": "no-repeat",
"background_size": "cover"
},
// 强制将基于帧的动画改成基于时间的动画，但是经过测试发现耗费资源过大，导致运行一会会将电脑卡死。改方案不妥。
// "callback": {
// onParticlesUpdate: function () {
// const currentTime = performance.now();
// const deltaTime = (currentTime - lastTime) / 1000; // Time in seconds
// lastTime = currentTime;
//
// const speedFactor = deltaTime * 60; // Normalize to 60 FPS
// pJSDom[0].pJS.particles.move.speed = 6 * speedFactor;
// }
// }
});
// 重写绘图函数以包含自定义更新逻
const originalDraw = pJSDom[0].pJS.fn.particlesDraw;
pJSDom[0].pJS.fn.particlesDraw = function () {
if (pJSDom[0].pJS.callback && pJSDom[0].pJS.callback.onParticlesUpdate) {
pJSDom[0].pJS.callback.onParticlesUpdate();
}
originalDraw.call(pJSDom[0].pJS);
};
</script>
</body>
</html>
|
