<!DOCTYPE html>
<html>
<head>
<title>樱花与爱心动画</title>
<script src="https://cdn.jsdelivr.net/npm/
jquery@3.6.0/dist/
jquery.min.js"></script> <!-- 修复
jQuery路径 -->
<style>
* {
padding: 0;
margin: 0;
}
html,
body {
height: 100%;
padding: 0;
margin: 0;
background: #000;
overflow: hidden; /* 防止滚动条 */
}
.aa {
position: fixed;
left: 50%;
bottom: 10px;
color: #ccc;
transform: translateX(-50%); /* 居中 */
}
.container {
width: 100%;
height: 100%;
}
canvas {
z-index: 99;
position: absolute;
width: 100%;
height: 100%;
}
/* 樱花canvas层级低于爱心，避免遮挡 */
#cherry-canvas {
z-index: 1;
}
#pinkboard {
z-index: 2;
}
</style>
</head>
<body>
<!-- 樱花和爱心容器 -->
<div id="jsi-cherry-container" class="container">
<!-- 修复音频标签拼写错误 -->
<audio autoplay loop> <!-- 增加loop循环播放，修复autopaly为autoplay -->
<source src="renxi.mp3" type="audio/mp3" />
</audio>
<!-- <img class="img" src="./123.png" alt="装饰图" /> 确保图片路径正确 -->
<!-- 爱心canvas -->
<canvas id="pinkboard" class="container"></canvas>
</div>
<script>
/* 爱心粒子系统（修复部分保持不变） */
var settings = {
particles: {
length: 500,
duration: 2,
velocity: 100,
effect: -0.75,
size: 30,
},
};
(function () {
var b = 0;
var c = ["ms", "moz", "webkit", "o"];
for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) {
window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"];
window.cancelAnimationFrame =
window[c[a] + "CancelAnimationFrame"] ||
window[c[a] + "CancelRequestAnimationFrame"];
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function (h, e) {
var d = new Date().getTime();
var f = Math.max(0, 16 - (d - b));
var g = window.setTimeout(function () {
h(d + f);
}, f);
b = d + f;
return g;
};
}
if (!window.cancelAnimationFrame) {
window.cancelAnimationFrame = function (d) {
clearTimeout(d);
};
}
})();
var Point = (function () {
function Point(x, y) {
this.x = typeof x !== "undefined" ? x : 0;
this.y = typeof y !== "undefined" ? y : 0;
}
Point.prototype.clone = function () {
return new Point(this.x, this.y);
};
Point.prototype.length = function (length) {
if (typeof length == "undefined")
return Math.sqrt(this.x * this.x + this.y * this.y);
this.normalize();
this.x *= length;
this.y *= length;
return this;
};
Point.prototype.normalize = function () {
var length = this.length();
this.x /= length;
this.y /= length;
return this;
};
return Point;
})();
var Particle = (function () {
function Particle() {
this.position = new Point();
this.
velocity = new Point();
this.acceleration = new Point();
this.age = 0;
}
Particle.prototype.initialize = function (x, y, dx, dy) {
this.position.x = x;
this.position.y = y;
this.
velocity.x = dx;
this.
velocity.y = dy;
this.acceleration.x = dx * settings.particles.effect;
this.acceleration.y = dy * settings.particles.effect;
this.age = 0;
};
Particle.prototype.update = function (deltaTime) {
this.position.x += this.
velocity.x * deltaTime;
this.position.y += this.
velocity.y * deltaTime;
this.
velocity.x += this.acceleration.x * deltaTime;
this.
velocity.y += this.acceleration.y * deltaTime;
this.age += deltaTime;
};
Particle.prototype.draw = function (context, image) {
function ease(t) {
return --t * t * t + 1;
}
var size = image.width * ease(this.age / settings.particles.duration);
context.globalAlpha = 1 - this.age / settings.particles.duration;
context.drawImage(
image,
this.position.x - size / 2,
this.position.y - size / 2,
size,
size
);
};
return Particle;
})();
var ParticlePool = (function () {
var particles,
firstActive = 0,
firstFree = 0,
duration = settings.particles.duration;
function ParticlePool(length) {
particles = new Array(length);
for (var i = 0; i < particles.length; i++)
particles[i] = new Particle();
}
ParticlePool.prototype.add = function (x, y, dx, dy) {
particles[firstFree].initialize(x, y, dx, dy);
firstFree++;
if (firstFree == particles.length) firstFree = 0;
if (firstActive == firstFree) firstActive++;
if (firstActive == particles.length) firstActive = 0;
};
ParticlePool.prototype.update = function (deltaTime) {
var i;
if (firstActive < firstFree) {
for (i = firstActive; i < firstFree; i++)
particles[i].update(deltaTime);
}
if (firstFree < firstActive) {
for (i = firstActive; i < particles.length; i++)
particles[i].update(deltaTime);
for (i = 0; i < firstFree; i++) particles[i].update(deltaTime);
}
while (
particles[firstActive].age >= duration &&
firstActive != firstFree
) {
firstActive++;
if (firstActive == particles.length) firstActive = 0;
}
};
ParticlePool.prototype.draw = function (context, image) {
var i;
if (firstActive < firstFree) {
for (i = firstActive; i < firstFree; i++)
particles[i].draw(context, image);
}
if (firstFree < firstActive) {
for (i = firstActive; i < particles.length; i++)
particles[i].draw(context, image);
for (i = 0; i < firstFree; i++) particles[i].draw(context, image);
}
};
return ParticlePool;
})();
(function (canvas) {
var context = canvas.getContext("2d"),
particles = new ParticlePool(settings.particles.length),
particleRate =
settings.particles.length / settings.particles.duration,
time;
function pointOnHeart(t) {
return new Point(
160 * Math.pow(Math.sin(t), 3),
130 * Math.cos(t) -
50 * Math.cos(2 * t) -
20 * Math.cos(3 * t) -
10 * Math.cos(4 * t) +
25
);
}
var image = (function () {
var canvas = document.createElement("canvas"),
context = canvas.getContext("2d");
canvas.width = settings.particles.size;
canvas.height = settings.particles.size;
function to(t) {
var point = pointOnHeart(t);
point.x =
settings.particles.size / 2 +
(point.x * settings.particles.size) / 350;
point.y =
settings.particles.size / 2 -
(point.y * settings.particles.size) / 350;
return point;
}
context.beginPath();
var t = -Math.PI;
var point = to(t);
context.moveTo(point.x, point.y);
while (t < Math.PI) {
t += 0.01;
point = to(t);
context.lineTo(point.x, point.y);
}
context.closePath();
context.fillStyle = "#ea80b0";
context.fill();
var image = new Image();
image.src = canvas.toDataURL();
return image;
})();
function render() {
requestAnimationFrame(render);
var newTime = new Date().getTime() / 1000,
deltaTime = newTime - (time || newTime);
time = newTime;
context.clearRect(0, 0, canvas.width, canvas.height);
var amount = particleRate * deltaTime;
for (var i = 0; i < amount; i++) {
var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
var dir = pos.clone().length(settings.particles.
velocity);
particles.add(
canvas.width / 2 + pos.x,
canvas.height / 2 - pos.y,
dir.x,
-dir.y
);
}
particles.update(deltaTime);
particles.draw(context, image);
}
function onResize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
window.onresize = onResize;
setTimeout(function () {
onResize();
render();
}, 10);
})(document.getElementById("pinkboard"));
</script>
<script>
/* 修复樱花渲染器的
语法错误和逻辑 */
var RENDERER = {
INIT_CHERRY_BLOSSOM_COUNT: 30,
MAX_ADDING_INTERVAL: 10,
// 补充缺失的常量定义
FOCUS_POSITION: 300,
SURFACE_RATE: 0.8,
FAR_LIMIT: 1000,
thresholdY: 0,
init: function () {
this.setParameters();
this.reconstructMethods();
this.createCherries();
this.render();
// 修复移动设备判断逻辑
if (/(phone|pod|iPhone|iPod|ios|Android|Mobile)/i.test(navigator.userAgent)) {
console.log("移动端设备");
// 若需要调整样式，可在此处添加
}
},
setParameters: function () {
this.$container = $("#jsi-cherry-container");
this.width = window.innerWidth;
this.height = window.innerHeight;
// 创建樱花专用canvas，避免与爱心
冲突
this.canvas = $("<canvas id='cherry-canvas' />")
.attr({ width: this.width, height: this.height })
.appendTo(this.$container)
.get(0);
this.context = this.canvas.getContext("2d");
this.cherries = [];
this.addingInterval = 0;
},
// 补全缺失的方法
reconstructMethods: function () {
this.render = this.render.bind(this);
this.updateCherry = this.updateCherry.bind(this);
this.drawCherry = this.drawCherry.bind(this);
},
createCherries: function () {
// 初始化樱花粒子
for (var i = 0; i < this.INIT_CHERRY_BLOSSOM_COUNT; i++) {
this.cherries.push(this.generateCherry());
}
},
generateCherry: function () {
// 生成随机樱花参数
return {
x: Math.random() * this.width,
y: Math.random() * this.height,
z: Math.random() * 100,
vx: (Math.random() - 0.5) * 2,
vy: Math.random() * 2 + 1,
phi: Math.random() * Math.PI * 2,
size: Math.random() * 5 + 3
};
},
updateCherry: function (cherry) {
// 更新樱花位置和状态
cherry.phi += Math.PI / 200; // 旋转角度
cherry.x += cherry.vx;
cherry.y += cherry.vy;
// 超出边界后重置
if (cherry.y > this.height || cherry.x < 0 || cherry.x > this.width) {
var reset = this.generateCherry();
cherry.x = reset.x;
cherry.y = -reset.y;
cherry.z = reset.z;
}
return cherry;
},
drawCherry: function (cherry) {
// 绘制樱花（简化为粉色圆形）
var rate = this.FOCUS_POSITION / (cherry.z + this.FOCUS_POSITION);
var x = this.width / 2 + (cherry.x - this.width / 2) * rate;
var y = cherry.y * rate;
var size = cherry.size * rate;
this.context.beginPath();
this.context.arc(x, y, size, 0, Math.PI * 2);
this.context.fillStyle = "rgba(255, 180, 200, 0.8)";
this.context.fill();
},
render: function () {
requestAnimationFrame(this.render);
this.context.clearRect(0, 0, this.width, this.height);
// 定期添加新樱花
if (this.addingInterval++ > this.MAX_ADDING_INTERVAL) {
this.addingInterval = 0;
this.cherries.push(this.generateCherry());
}
// 更新并绘制所有樱花
this.cherries = this.cherries.map(this.updateCherry);
this.cherries.forEach(this.drawCherry);
// 限制樱花数量，避免性能问题
if (this.cherries.length > 500) {
this.cherries.splice(0, 1);
}
}
};
$(function () {
RENDERER.init();
});
</script>
</body>
</html>
本文探讨了在使用Velocity模板引擎时遇到与jQuery语法冲突的问题，并给出了具体的解决方案，即将$.ajax替换为jQuery.ajax来避免ParseErrorException异常。
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