il gioco della palla per divertimento (di Mr)

1541 mr.rezvani.369

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il gioco della palla per divertimento (di Mr)

Consigliato

25 January 2026

Modello HTML per lettore di giochi Flash Ruffle

18 December 2025

Codice sorgente HTML5 del gioco Bloodmoney

11 February 2026

Esempio di rilevamento del piano di tracciamento delle mani WebXR AR

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// call the canvas 
let canvas = document.querySelector("canvas")
// the screen
canvas.width = window.innerWidth ; 
canvas.height = window.innerHeight ; 
// create the 2d screen 
let c = canvas.getContext("2d");

class ball{
    // that is the variable
    constructor(x , y){
        this.baseR = 10
        this.r = this.baseR
        this.r  = (Math.random()) * 20 ;
        this.x  = x || randomSetInrFromInterval(this.r , window.innerWidth - this.r);
        this.y  = y || randomSetInrFromInterval(this.r , window.innerHeight - this.r);
        this.vx = (Math.random() - 0.5) * 5 ;
        this.vy = (Math.random() - 0.5) * 5 ;
        this.color = `rgb(${(Math.random() * 255)} , ${(Math.random() * 255)} , ${(Math.random() * 255)})`
        this.draw()
    }
    // the roll for create the circle 
    draw(){
        c.beginPath();
        c.arc(this.x,this.y,this.r,0,Math.PI * 2);
        c.fillStyle = this.color
        c.fill()
    }
    // the roll for ball can not out the screen 
    update(){
        if(this.x+this.r > window.innerWidth || this.x-this.r < 0){
            this.vx = -this.vx
        }
        if(this.y+this.r > window.innerHeight || this.y-this.r < 0){
            this.vy = -this.vy
        }
        this.x += this.vx
        this.y += this.vy
        this.draw()
    }
}

// the loop for create any ball 
let balls = [] ;
for(let i = 0 ; i<100 ; i++){
    balls.push(new ball())
}
// the scroll ball , create a ball
function animate(){
    c.clearRect(0,0,window.innerWidth , window.innerHeight);
    balls.forEach(ball =>{
        ball.update()
    })
    requestAnimationFrame(animate)
}
 // that is the function for create the ball when i click on the screen
window.addEventListener("click" , (e)=>{
    balls.push(new ball(e.clientX , e.clientY))
})

window. addEventListener("mousemove" ,(e)=>{
    balls.forEach(ball=>{
        let distance = Math.sqrt(Math.pow(e.clientX - ball.x,2) + Math.pow(e.clientY - ball.y,2))
        if(distance < 100 && ball.r < ball.baseR * 4){
            ball.r += 1
        }else if(ball.r > ball.baseR){
            ball.r -= 1
        }
    })
})

window.addEventListener("resize" , ()=>{
    canvas.width = window.innerWidth ; 
    canvas.height = window.innerHeight ; 
})
animate()

// the ball have random place in a screen 
function randomSetInrFromInterval(min , max){
    return Math.floor(Math.random() * (max - min + 1) + min )
}

Consigliato

Modello HTML per lettore di giochi Flash Ruffle

Codice sorgente HTML5 del gioco Bloodmoney

Esempio di rilevamento del piano di tracciamento delle mani WebXR AR

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