东郊到家预约APP及小程序系统开发规则方案/案例详细/项目逻辑/功能介绍/源码部署
新零售就是企业借助互联网，通过大数据、人工智能等一些手段，对产品的生产、流通以及销售的过程俩进行升级改造，从而可以把线上服务、线下服务以及现代的物流进行深度的融合的新零售模式。
新零售需要全面打通线上线下全渠道数据，将线上的电商渠道要与线下的实体门店渠道变成完整的一体，线上线下拥有统一的商品体系和完整的物流供应链体系，以此来支持全渠道的销售，并满足不同渠道、不同服务的要求。
RequestAnimationFrame polyfill by Erik Möller
*/
(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)}}}());
/*
Point class
*/
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;
})();
/*
Particle class
*/
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/RequestAnimationFrame polyfill by Erik Möller
*/
(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)}}}());
/*
Point class
*/
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;
})();
/*
Particle class
*/
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;
})();
/*
ParticlePool class
*/
var ParticlePool=(function(){
var particles,
firstActive=0,
firstFree=0,
duration=settings.particles.duration;
function ParticlePool(length){
//create and populate particle pool
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);
