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Bouncing Numbers
Developer User21309｜Date and time 24/3/8 16:25:50
Build time 8.108 sec｜Game capacity 1.642KB｜

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Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html>
<head>
  <title>Bouncing Numbers</title>
  <style>
    canvas {
      border: 1px solid black;
    }
  </style>
</head>
<body>
  <canvas id="canvas" width="400" height="400"></canvas>
  
  <script type="text/javascript">
    const canvas = document.getElementById('canvas');
    const ctx = canvas.getContext('2d');
    
    const numbers = [];
    
    class Number {
      constructor(x, y, dx, dy, value) {
        this.x = x;
        this.y = y;
        this.dx = dx;
        this.dy = dy;
        this.value = value;
      }
      
      draw() {
        ctx.font = '20px Arial';
        ctx.fillText(this.value, this.x, this.y);
      }
      
      update() {
        this.x += this.dx;
        this.y += this.dy;
        
        if (this.x < 0 || this.x > canvas.width) {
          this.dx = -this.dx;
        }
        if (this.y < 0 || this.y > canvas.height) {
          this.dy = -this.dy;
        }
      }
    }
    
    function generateRandomNumber() {
      const x = Math.random() * canvas.width;
      const y = Math.random() * canvas.height;
      const dx = (Math.random() - 0.5) * 5;
      const dy = (Math.random() - 0.5) * 5;
      const value = Math.floor(Math.random() * 10);
      
      const number = new Number(x, y, dx, dy, value);
      numbers.push(number);
    }
    
    function animate() {
      requestAnimationFrame(animate);
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      
      numbers.forEach(number => {
        number.update();
        number.draw();
      });
    }
    
    setInterval(generateRandomNumber, 1000);
    animate();
  </script>
</body>
</html>