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dmd3475-spring-2022/week-8/part-1/event-2.html

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>Events: Task 2</title>
<style>
p {
color: purple;
margin: 0.5em 0;
}
* {
box-sizing: border-box;
}
canvas {
border: 1px solid black;
}
</style>
<link rel="stylesheet" href="../styles.css" />
</head>
<body>
<section class="preview">
</section>
<canvas width="480" height="320" tabindex="0">
</canvas>
<script>
const canvas = document.querySelector('canvas');
const ctx = canvas.getContext('2d');
function drawCircle(x, y, size) {
ctx.fillStyle = 'white';
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.beginPath();
ctx.fillStyle = 'black';
ctx.arc(x, y, size, 0, 2 * Math.PI);
ctx.fill();
}
let x = 50;
let y = 50;
const size = 30;
drawCircle(x, y, size);
// Add your code here
document.addEventListener('keydown', event =>{
if(event.keyCode == 65) {
// Move ('left');
x -= 1;
console.log(x);
}
else if(event.keyCode == 68) {
// Move ('right');
x += 1;
console.log(x);
}
else if(event.keyCode == 87) {
// Move ('up');
y -= 1;
console.log(y);
}
else if(event.keyCode == 83) {
// Move ('down');
y += 1;
console.log(y);
}
drawCircle(x, y, size);
});
</script>
</body>
</html>