自适应星空背景个人导航单页(附带源码)

效果图

部分源码

function Star(id, x, y) {
    this.id = id;
    this.x = x;
    this.y = y;
    this.r = Math.floor(Math.random() * 2) + 1;
    var alpha = (Math.floor(Math.random() * 10) + 1) / 10 / 2;
    this.color = "rgba(255,255,255," + alpha + ")";
}

Star.prototype.draw = function() {
    ctx.fillStyle = this.color;
    ctx.shadowBlur = this.r * 2;
    ctx.beginPath();
    ctx.arc(this.x, this.y, this.r, 0, 2 * Math.PI, false);
    ctx.closePath();
    ctx.fill();
}

Star.prototype.move = function() {
    this.y -= .15;
    if (this.y <= -10) this.y = HEIGHT + 10;
    this.draw();
}

Star.prototype.die = function() {
    stars[this.id] = null;
    delete stars[this.id];
}

function Dot(id, x, y, r) {
    this.id = id;
    this.x = x;
    this.y = y;
    this.r = Math.floor(Math.random() * 5) + 1;
    this.maxLinks = 2;
    this.speed = .5;
    this.a = .5;
    this.aReduction = .005;
    this.color = "rgba(255,255,255," + this.a + ")";
    this.linkColor = "rgba(255,255,255," + this.a / 4 + ")";

    this.dir = Math.floor(Math.random() * 140) + 200;
}

Dot.prototype.draw = function() {
    ctx.fillStyle = this.color;
    ctx.shadowBlur = this.r * 2;
    ctx.beginPath();
    ctx.arc(this.x, this.y, this.r, 0, 2 * Math.PI, false);
    ctx.closePath();
    ctx.fill();
}
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自适应星空背景个人导航单页源码领取地址：https://www.123pan.com/s/ji8kjv-N8PU3.html提取码:关注微信公众号祖龙科技工作室回复星空即可获取

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