JSFiddle - React, Tailwind, and code Playground
by basti1012
CSS
body {
background: #000;
}
canvas {
background: #181818;
box-shadow: 0 0 0 1px #282828;
bottom: 0;
left: 0;
margin: auto;
position: absolute;
right: 0;
top: 0;
}
JavaScript
/*========================================================*/
/* Light Loader
/*========================================================*/
var lightLoader = function(c, cw, ch){
var _this = this;
this.c = c;
this.ctx = c.getContext('2d');
this.cw = cw;
this.ch = ch;
this.loaded = 0;
this.loaderSpeed = .6;
this.loaderHeight = 10;
this.loaderWidth = 310;
this.loader = {
x: (this.cw/2) - (this.loaderWidth/2),
y: (this.ch/2) - (this.loaderHeight/2)
};
this.particles = [];
this.particleLift = 180;
this.hueStart = 0
this.hueEnd = 120;
this.hue = 0;
this.gravity = .15;
this.particleRate = 4;
/*========================================================*/
/* Initialize
/*========================================================*/
this.init = function(){
this.loop();
};
/*========================================================*/
/* Utility Functions
/*========================================================*/
this.rand = function(rMi, rMa){return ~~((Math.random()*(rMa-rMi+1))+rMi);};
this.hitTest = function(x1, y1, w1, h1, x2, y2, w2, h2){return !(x1 + w1 < x2 || x2 + w2 < x1 || y1 + h1 < y2 || y2 + h2 < y1);};
/*========================================================*/
/* Update Loader
/*========================================================*/
this.updateLoader = function(){
if(this.loaded < 100){
this.loaded += this.loaderSpeed;
} else {
this.loaded = 0;
}
};
/*========================================================*/
/* Render Loader
/*========================================================*/
this.renderLoader = function(){
this.ctx.fillStyle = '#000';
this.ctx.fillRect(this.loader.x, this.loader.y, this.loaderWidth, this.loaderHeight);
this.hue = this.hueStart + (this.loaded/100)*(this.hueEnd - this.hueStart);
var newWidth = (this.loaded/100)*this.loaderWidth;
this.ctx.fillStyle = 'hsla('+this.hue+', 100%, 40%, 1)';
this.ctx.fillRect(this.loader.x,...