Creat rotating 3d object on a 2d canvas refrsh button's game

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No:48721

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Creat rotating 3d object on a 2d canvas refrsh bu..ALL
Developer User18896｜Date and time 24/3/2 21:23:15
Build time 5.015 sec｜Game capacity 1.007KB｜

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<!DOCTYPE html>
<html>
<head>
  <title>3D Object Rotation</title>
  <style>
    canvas {
      border: 1px solid black;
    }
  </style>
</head>
<body>
  <canvas id="canvas" width="400" height="400"></canvas>
  <button onclick="refresh()">Refresh</button>
  
  <script>
    const canvas = document.getElementById('canvas');
    const ctx = canvas.getContext('2d');

let angle = 0;

function draw() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      
      ctx.save();
      ctx.translate(canvas.width / 2, canvas.height / 2);
      ctx.rotate(angle);
      
      // Draw rotating 3D object
      ctx.beginPath();
      ctx.moveTo(20, 20);
      ctx.lineTo(120, 20);
      ctx.lineTo(120, 120);
      ctx.lineTo(20, 120);
      ctx.closePath();
      
      ctx.fillStyle = 'blue';
      ctx.fill();
      
      ctx.restore();
      
      angle += 0.01;
      requestAnimationFrame(draw);
    }

function refresh() {
      angle = 0;
    }

draw();
  </script>
</body>
</html>