HTML and CSS Reference
In-Depth Information
function drawScreen() {
//update the shipState
shipState++;
if (shipState >1) {
shipState=0;
}
// draw background and text
context.fillStyle = '#000000';
context.fillRect(0, 0, 200, 200);
context.fillStyle = '#ffffff';
context.font = '20px _sans';
context.textBaseline = 'top';
context.fillText ("Player Ship - animate", 0, 180);
//drawShip
context.strokeStyle = '#ffffff';
context.beginPath();
context.moveTo(10,0);
context.lineTo(19,19);
context.lineTo(10,9);
context.moveTo(9,9);
context.lineTo(0,19);
context.lineTo(9,0);
if (shipState==1) {
//draw thrust
context.moveTo(8,13);
context.lineTo(11,13);
context.moveTo(9,14);
context.lineTo(9,18);
context.moveTo(10,14);
context.lineTo(10,18);
}
context.stroke();
context.closePath();
}
const FRAME_RATE = 40;
var intervalTime = 1000/FRAME_RATE;
setInterval(drawScreen, intervalTime );
}
</script>
</head>
<body>
<div style="position: absolute; top: 50px; left: 50px;">
<canvas id="canvas" width="200" height="200">
Your browser does not support HTML5 Canvas.
</canvas>
</div>
