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<!DOCTYPE html>
<html>
<head>
<title>PlayCanvas Basic AR</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link rel="icon" type="image/png" href="../playcanvas-favicon.png" />
<script src="../../build/playcanvas.js"></script>
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
}
canvas {
width: 100%;
height: 100%;
}
.message {
position: absolute;
padding: 8px 16px;
left: 20px;
bottom: 20px;
color: #ccc;
background-color: rgba(0, 0, 0, .5);
font-family: "Proxima Nova", Arial, sans-serif;
}
</style>
</head>
<body>
<canvas id="application-canvas"></canvas>
<div class="message"></div>
<script>
var message = function (msg) {
var el = document.querySelector('.message');
el.textContent = msg;
};
var canvas = document.getElementById('application-canvas');
var app = new pc.Application(canvas, {
mouse: new pc.Mouse(canvas),
touch: new pc.TouchDevice(canvas),
keyboard: new pc.Keyboard(window),
graphicsDeviceOptions: { alpha: true }
});
app.setCanvasFillMode(pc.FILLMODE_FILL_WINDOW);
app.setCanvasResolution(pc.RESOLUTION_AUTO);
window.addEventListener("resize", function () {
app.resizeCanvas(canvas.width, canvas.height);
});
// use device pixel ratio
app.graphicsDevice.maxPixelRatio = window.devicePixelRatio;
app.start();
// create camera
var c = new pc.Entity();
c.addComponent('camera', {
clearColor: new pc.Color(0, 0, 0, 0),
farClip: 10000
});
app.root.addChild(c);
var l = new pc.Entity();
l.addComponent("light", {
type: "spot",
range: 30
});
l.translate(0, 10, 0);
app.root.addChild(l);
var createCube = function (x, y, z) {
var cube = new pc.Entity();
cube.addComponent("model", {
type: "box"
});
cube.setLocalScale(0.5, 0.5, 0.5);
cube.translate(x * 0.5, y, z * 0.5);
app.root.addChild(cube);
};
// create a grid of cubes
var SIZE = 4;
for (var x = 0; x < SIZE; x++) {
for (var y = 0; y < SIZE; y++) {
createCube(2 * x - SIZE, 0.25, 2 * y - SIZE);
}
}
if (app.xr.supported) {
var activate = function () {
if (app.xr.isAvailable(pc.XRTYPE_AR)) {
c.camera.startXr(pc.XRTYPE_AR, pc.XRSPACE_LOCALFLOOR, {
callback: function (err) {
if (err) message("WebXR Immersive AR failed to start: " + err.message);
}
});
} else {
message("Immersive AR is not available");
}
};
app.mouse.on("mousedown", function () {
if (! app.xr.active)
activate();
});
if (app.touch) {
app.touch.on("touchend", function (evt) {
if (! app.xr.active) {
// if not in VR, activate
activate();
} else {
// otherwise reset camera
c.camera.endXr();
}
evt.event.preventDefault();
evt.event.stopPropagation();
});
}
// end session by keyboard ESC
app.keyboard.on('keydown', function (evt) {
if (evt.key === pc.KEY_ESCAPE && app.xr.active) {
app.xr.end();
}
});
app.xr.on('start', function () {
message("Immersive AR session has started");
});
app.xr.on('end', function () {
message("Immersive AR session has ended");
});
app.xr.on('available:' + pc.XRTYPE_AR, function (available) {
message("Immersive AR is " + (available ? 'available' : 'unavailable'));
});
if (! app.xr.isAvailable(pc.XRTYPE_AR)) {
message("Immersive AR is not available");
}
} else {
message("WebXR is not supported");
}
</script>
</body>
</html>