Commit 61e19c60 by hank

背景抽离

parent 655463b9
<template>
<canvas id="star-sky" :style="{height: height, width: width}"></canvas>
</template>
<script>
import methods from '../../../templates/listingInformation/methods'
export default {
name: 'StarSky',
data: function () {
return {
height: '1080px',
width: '1920px'
}
},
mounted () {
this.animate()
},
methods: {
animate () {
var canvas = document.getElementById('star-sky'),
ctx = canvas.getContext('2d'),
w = (canvas.width = window.innerWidth),
h = (canvas.height = window.innerHeight),
hue = 217,
stars = [],
count = 0,
maxStars = 1300 // 星星数量
var canvas2 = document.createElement('canvas'),
ctx2 = canvas2.getContext('2d')
canvas2.width = 100
canvas2.height = 100
var half = canvas2.width / 2,
gradient2 = ctx2.createRadialGradient(half, half, 0, half, half, half)
gradient2.addColorStop(0.025, '#CCC')
gradient2.addColorStop(0.1, 'hsl(' + hue + ', 61%, 33%)')
gradient2.addColorStop(0.25, 'hsl(' + hue + ', 64%, 6%)')
gradient2.addColorStop(1, 'transparent')
ctx2.fillStyle = gradient2
ctx2.beginPath()
ctx2.arc(half, half, half, 0, Math.PI * 2)
ctx2.fill()
// End cache
function random (min, max) {
if (arguments.length < 2) {
max = min
min = 0
}
if (min > max) {
var hold = max
max = min
min = hold
}
return Math.floor(Math.random() * (max - min + 1)) + min
}
function maxOrbit (x, y) {
var max = Math.max(x, y),
diameter = Math.round(Math.sqrt(max * max + max * max))
return diameter / 2
// 星星移动范围,值越大范围越小,
}
var Star = function () {
this.orbitRadius = random(maxOrbit(w, h))
this.radius = random(60, this.orbitRadius) / 8
// 星星大小
this.orbitX = w / 2
this.orbitY = h / 2
this.timePassed = random(0, maxStars)
this.speed = random(this.orbitRadius) / 50000
// 星星移动速度
this.alpha = random(2, 10) / 10
count++
stars[count] = this
}
Star.prototype.draw = function () {
var x = Math.sin(this.timePassed) * this.orbitRadius + this.orbitX,
y = Math.cos(this.timePassed) * this.orbitRadius + this.orbitY,
twinkle = random(10)
if (twinkle === 1 && this.alpha > 0) {
this.alpha -= 0.05
} else if (twinkle === 2 && this.alpha < 1) {
this.alpha += 0.05
}
ctx.globalAlpha = this.alpha
ctx.drawImage(
canvas2,
x - this.radius / 2,
y - this.radius / 2,
this.radius,
this.radius
)
this.timePassed += this.speed
}
for (var i = 0; i < maxStars; i++) {
new Star()
}
function animation () {
ctx.globalCompositeOperation = 'source-over'
ctx.globalAlpha = 0.5 // 尾巴
ctx.fillStyle = 'hsla(' + hue + ', 64%, 6%, 2)'
ctx.fillRect(0, 0, w, h)
ctx.globalCompositeOperation = 'lighter'
for (var i = 1, l = stars.length; i < l; i++) {
stars[i].draw()
}
window.requestAnimationFrame(animation)
}
animation()
}
}
}
</script>
<style>
#star-sky {
position: absolute;
left: 0;
top: 0;
}
</style>
......@@ -78,41 +78,41 @@
</template>
<script>
import { swiper, swiperSlide } from "vue-awesome-swiper";
import methods from "../methods";
import { swiper, swiperSlide } from 'vue-awesome-swiper'
import methods from '../methods'
export default {
name: "welcome",
props: ["schemaData", "page", "isEditMode", "cancelEdit"],
name: 'welcome',
props: ['schemaData', 'page', 'isEditMode', 'cancelEdit'],
mixins: [methods],
components: {
swiper,
swiperSlide
},
created() {
created () {
// console.log(this.list);
},
mounted() {},
data() {
mounted () {},
data () {
return {
currentIndex: "",
date: "2019.07.04",
currentIndex: "",
currentIndex: '',
date: '2019.07.04',
currentIndex: '',
dataList: [
"http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/listing-information/house.png",
"http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/listing-information/bg.jpg"
'http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/listing-information/house.png',
'http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/listing-information/bg.jpg'
],
swiperOption: {
effect: "slider",
effect: 'slider',
speed: 1000,
loop: true,
autoplay: {
delay: 5000
}
}
};
}
}
};
}
</script>
<style lang="scss" scoped>
......
......@@ -6,14 +6,14 @@ export default {
templateInfo,
// defaultData,
pageList: [
// {
// name: '租房页面',
// thumb: 'http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/template-culture/thumb1.jpg',
// component: 'rentHouse',
// defaultData: defaultData.welcome,
// schemaData: defaultData.welcome,
// itemList: itemList.welcome
// },
{
name: '租房页面',
thumb: 'http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/template-culture/thumb1.jpg',
component: 'rentHouse',
defaultData: defaultData.welcome,
schemaData: defaultData.welcome,
itemList: itemList.welcome
},
{
name: '买房页面',
thumb: 'http://visual-clouds.oss-cn-beijing.aliyuncs.com/resource/template-culture/thumb1.jpg',
......
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