默认首页是视频星空

This commit is contained in:
2025-09-28 17:23:31 +08:00
parent 888f8d9939
commit 181fba92de
8 changed files with 31 additions and 243 deletions

View File

@@ -1,7 +1,6 @@
{
"pages": [
"pages/index/index",
"pages/index2/index2",
"pages/record/record",
"pages/detail/detail",
"pages/history/history"
@@ -23,12 +22,6 @@
"iconPath": "images/home.png",
"selectedIconPath": "images/home-active.png"
},
{
"pagePath": "pages/index2/index2",
"text": "首页2",
"iconPath": "images/home.png",
"selectedIconPath": "images/home-active.png"
},
{
"pagePath": "pages/record/record",
"text": "记录",

View File

@@ -1,82 +1,11 @@
Page({
data: {
playbackRate: 5.0, // 默认1倍速
animationFrame: null // 用于保存定时器ID
},
onReady() {
// 获取Canvas上下文
const query = wx.createSelectorQuery()
// 获取Canvas宽高
query.select('.starry-canvas')
.fields({ node: true, size: true })
.exec((res) => {
const canvas = res[0].node
const ctx = canvas.getContext('2d')
const dpr = wx.getSystemInfoSync().pixelRatio
canvas.width = res[0].width * dpr
canvas.height = res[0].height * dpr
ctx.scale(dpr, dpr)
// 绘制星空
this.drawStars(canvas, ctx)
})
},
// 绘制动态星空
drawStars(canvas, ctx) {
const width = canvas.width / wx.getSystemInfoSync().pixelRatio
const height = canvas.height / wx.getSystemInfoSync().pixelRatio
// 创建星星数组
const stars = []
const starCount = 200 // 星星数量
// 初始化星星
for (let i = 0; i < starCount; i++) {
stars.push({
x: Math.random() * width,
y: Math.random() * height,
radius: Math.random() * 1.5 + 0.5, // 星星大小
opacity: Math.random(), // 透明度
speed: Math.random() * 0.5 + 0.1 // 移动速度
})
}
// 动画循环 - 使用setInterval替代requestAnimationFrame
const animate = () => {
// 清空画布
ctx.clearRect(0, 0, width, height)
// 绘制每颗星星
stars.forEach(star => {
// 更新星星位置(向上移动)
star.y -= star.speed
if (star.y < 0) {
star.y = height // 星星移出屏幕后重新从底部出现
}
// 随机闪烁效果
star.opacity += (Math.random() - 0.5) * 0.02
star.opacity = Math.max(0.1, Math.min(1, star.opacity))
// 绘制星星
ctx.beginPath()
ctx.arc(star.x, star.y, star.radius, 0, Math.PI * 2)
ctx.fillStyle = `rgba(255, 255, 255, ${star.opacity})`
ctx.fill()
})
}
// 开始动画每30ms更新一次约33fps
this.data.animationFrame = setInterval(animate, 30)
},
// 页面卸载时清除定时器,避免内存泄漏
onUnload() {
if (this.data.animationFrame) {
clearInterval(this.data.animationFrame)
}
}
})

View File

@@ -1,12 +1,15 @@
<!-- 动态星空背景 -->
<canvas
class="starry-canvas"
type="2d"
canvas-id="starrySky"
></canvas>
<!-- 前景内容 -->
<view class="content">
<text class="title">梦之笺</text>
<text class="subtitle">记录你的梦</text>
<view class="page-container">
<video id="bg-video"
src="http://exam.yinyue.click/sky.mp4"
loop
muted
autoplay
object-fit="cover"
controls="{{false}}">
playback-rate="{{playbackRate}}">
</video>
<!-- 这里可以添加首页其他内容,比如标题、按钮等 -->
<view class="content">
<text class="title">欢迎来到我的梦境</text>
</view>
</view>

View File

@@ -1,34 +1,31 @@
.starry-canvas {
.page-container {
position: relative;
width: 100%;
height: 100vh;
overflow: hidden;
}
#bg-video {
position: absolute;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background-color: #0a0a1a; /* 深蓝色夜空 */
z-index: 0;
width: 100%;
height: 100%;
z-index: -1;
}
.content {
position: relative;
z-index: 1;
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
color: #ffffff;
padding: 20rpx;
height: 100%;
color: white;
text-align: center;
}
.title {
font-size: 60rpx;
font-size: 64rpx;
font-weight: bold;
margin-bottom: 20rpx;
text-shadow: 0 0 10rpx rgba(255, 255, 255, 0.5);
}
.subtitle {
font-size: 32rpx;
opacity: 0.9;
}

View File

@@ -1,83 +0,0 @@
Page({
data: {
playbackRate: 5.0, // 默认1倍速
animationFrame: null // 用于保存定时器ID
},
onReady() {
// 获取Canvas上下文
const query = wx.createSelectorQuery()
// 获取Canvas宽高
query.select('.starry-canvas')
.fields({ node: true, size: true })
.exec((res) => {
const canvas = res[0].node
const ctx = canvas.getContext('2d')
const dpr = wx.getSystemInfoSync().pixelRatio
canvas.width = res[0].width * dpr
canvas.height = res[0].height * dpr
ctx.scale(dpr, dpr)
// 绘制星空
this.drawStars(canvas, ctx)
})
},
// 绘制动态星空
drawStars(canvas, ctx) {
const width = canvas.width / wx.getSystemInfoSync().pixelRatio
const height = canvas.height / wx.getSystemInfoSync().pixelRatio
// 创建星星数组
const stars = []
const starCount = 200 // 星星数量
// 初始化星星
for (let i = 0; i < starCount; i++) {
stars.push({
x: Math.random() * width,
y: Math.random() * height,
radius: Math.random() * 1.5 + 0.5, // 星星大小
opacity: Math.random(), // 透明度
speed: Math.random() * 0.5 + 0.1 // 移动速度
})
}
// 动画循环 - 使用setInterval替代requestAnimationFrame
const animate = () => {
// 清空画布
ctx.clearRect(0, 0, width, height)
// 绘制每颗星星
stars.forEach(star => {
// 更新星星位置(向上移动)
star.y -= star.speed
if (star.y < 0) {
star.y = height // 星星移出屏幕后重新从底部出现
}
// 随机闪烁效果
star.opacity += (Math.random() - 0.5) * 0.02
star.opacity = Math.max(0.1, Math.min(1, star.opacity))
// 绘制星星
ctx.beginPath()
ctx.arc(star.x, star.y, star.radius, 0, Math.PI * 2)
ctx.fillStyle = `rgba(255, 255, 255, ${star.opacity})`
ctx.fill()
})
}
// 开始动画每30ms更新一次约33fps
this.data.animationFrame = setInterval(animate, 30)
},
// 页面卸载时清除定时器,避免内存泄漏
onUnload() {
if (this.data.animationFrame) {
clearInterval(this.data.animationFrame)
}
}
})

View File

@@ -1,5 +0,0 @@
{
"usingComponents": {
"navigation-bar": "/components/navigation-bar/navigation-bar"
}
}

View File

@@ -1,15 +0,0 @@
<view class="page-container">
<video id="bg-video"
src="http://exam.yinyue.click/sky.mp4"
loop
muted
autoplay
object-fit="cover"
controls="{{false}}">
playback-rate="{{playbackRate}}">
</video>
<!-- 这里可以添加首页其他内容,比如标题、按钮等 -->
<view class="content">
<text class="title">欢迎来到我的梦境</text>
</view>
</view>

View File

@@ -1,31 +0,0 @@
.page-container {
position: relative;
width: 100%;
height: 100vh;
overflow: hidden;
}
#bg-video {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
}
.content {
position: relative;
z-index: 1;
display: flex;
justify-content: center;
align-items: center;
height: 100%;
color: white;
text-align: center;
}
.title {
font-size: 64rpx;
font-weight: bold;
}