<!DOCTYPE html>
<html>
<head>
<title>Cylinder Figure on Canvas</title>
<style>
canvas {
border: 1px solid black;
}
</style>
</head>
<body>
<canvas id="myCanvas" width="400" height="300"></canvas>
<script>
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
var centerX = canvas.width / 2;
var centerY = canvas.height / 2;
var radius = 80;
var height = 150;
var layerHeight = 30;
var numLayers = 3;
// Draw the base of the cylinder
ctx.beginPath();
ctx.arc(centerX, centerY, radius, 0, 2 * Math.PI);
ctx.fillStyle = "#ff0000";
ctx.fill();
ctx.closePath();
// Draw the layers at the base
for (var i = 1; i <= numLayers; i++) {
var layerY = centerY + (height / 2) - (i * layerHeight);
ctx.beginPath();
ctx.arc(centerX, layerY, radius, 0, 2 * Math.PI);
ctx.fillStyle = "#00ff00";
ctx.fill();
ctx.closePath();
}
// Draw the top of the cylinder
var topY = centerY - (height / 2);
ctx.beginPath();
ctx.arc(centerX, topY, radius, 0, 2 * Math.PI);
ctx.fillStyle = "#ff0000";
ctx.fill();
ctx.closePath();
// Draw the layers at the top
for (var i = 1; i <= numLayers; i++) {
var layerY = topY + (i * layerHeight);
ctx.beginPath();
ctx.arc(centerX, layerY, radius, 0, 2 * Math.PI);
ctx.fillStyle = "#00ff00";
ctx.fill();
ctx.closePath();
}
</script>
</body>
</html>