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script.js
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script.js
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const container = document.querySelector('.container');
container.style.width = '100%';
container.style.height = '100vh';
container.style.backgroundColor = '#0D1116'
// container.style.position=' relative'
// container.style
class Ball{
constructor(props) {
this.ball= document.createElement('div');
this.b = {left:props.left, top:props.top, w: props.size, h:props.size, dx:1,dy:1, speed: 10, ani:{}, move:false}
this.ball.style.position= "absolute";
this.ball.style.left= props.left + 'px';
this.ball.style.top= props.top + 'px';
this.ball.style.width= props.size + 'px';
this.ball.style.height= props.size + 'px';
this.ball.style.backgroundColor= props.backgroundColor;
this.ball.style.borderRadius ="50%";
this.size = props.size;
this.control= document.querySelector('.controlBtn');
this.control.style.width = '70px';
this.control.style.height = '30px';
this.control.style.borderRadius= '7px';
this.control.style.backgroundColor='white';
this.control.style.position= "absolute";
this.control.style.left= "10px";
this.control.style.top= "20px";
this.control.style.padding = "5px";
this.control.style.display = "flex";
this.control.style.justifyContent= "center";
this.control.style.alignItems = "center";
this.control.addEventListener('click',()=>{
// this.resize(Math.floor(Math.random()* 100));
if (this.b.move !== true){
this.b.ani = window.requestAnimationFrame(this.mover().bind(this));
this.b.move = true;
}else{
cancelAnimationFrame(this.b.ani);
this.b.move = false
}
})
}
addToContainer(){
container.append(this.ball);
}
resize(newSize){
this.ball.style.width= newSize + "px";
this.ball.style.height= newSize +"px";
}
mover(){
//bounce effect limit
if(this.b.top >= 590 - this.b.h || this.b.top < 0){
this.b.dy *= -1;
}
if(this.b.left >= 1000 - this.b.w || this.b.left < 0){
this.b.dx *= -1;
}
//set ball direction
this.b.left += this.b.dx * this.b.speed;
this.b.top += this.b.dy * this.b.speed;
//set ball position
this.ball.style.left= this.b.left + 'px';
this.ball.style.top= this.b.top + 'px';
//animation continuation
if(this.b.move = true){
this.b.ani = window.requestAnimationFrame(this.mover.bind(this));
// console.log('Bolarinwa the best world class engineer');
}else{
console.log('Bolarinwa the great engineer');
}
}
}
const ballLog = [];
for (let i = 0; i < 10 ; i++){
const addBall = new Ball({top:genNum(500), left:genNum(1000), size:50, backgroundColor: getRandomColor()});
addBall.addToContainer();
ballLog.push(addBall);
}
// console.log(ballLog);
function genNum(upperLimit){
return Math.floor(Math.random()* upperLimit);
}
function getRandomColor() {
var letters = '0123456789ABCDEF';
var color = '#';
for (var i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}