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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background: #333;
padding: 0;
margin: 0;
overflow: hidden;
}
#error_message {
z-index: 2;
background-color: #aa3333;
overflow: hidden;
display: none;
pointer-events:none;
font-family: monospace;
font-size: 3em;
color: white;
border-radius: 1em;
padding: 1em;
position: absolute;
top: 50%;
left: 50%;
margin-right: -50%;
transform: translate(-50%, -50%)
}
#quality_window {
user-select: none;
z-index: 100;
position: absolute;
left: 8px;
top: 8px;
width: auto;
border-radius: 16px;
height: auto;
font-size: 1.5em;
text-align: center;
font-family: monospace;
background-color: rgba(200,200,200,0.35);
color: #000;
padding-left: 16px;
padding-right: 16px;
padding-top: 8px;
padding-bottom: 8px;
}
</style>
</head>
<body>
<script src="js/three.min.js"></script>
<script src="js/OrbitControls.js"></script>
<script src="js/jpeg_encoder_basic.js" type="text/javascript"></script>
<script src="js/CubemapToEquirectangular.js"></script>
<script>
var controls, camera, scene, renderer, equiManaged;
function init(eqr_width, eqr_height, img_path, camera_fov, initial_heading, overlay_label) {
camera = new THREE.PerspectiveCamera(camera_fov, window.innerWidth / window.innerHeight, 0.1, 100);
camera.position.x = 0.01;
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer();
renderer.autoClear = false;
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
var cubemap_img_js_url = img_path + '/cubemap_img.js';
var cubemap_image_js = document.createElement('script');
cubemap_image_js.setAttribute('type', 'text/javascript');
cubemap_image_js.setAttribute('src', cubemap_img_js_url);
document.getElementsByTagName('head')[0].appendChild(cubemap_image_js);
cubemap_image_js.onload = function () {
document.getElementById("error_message").style.display = 'none'
scene.background = new THREE.CubeTextureLoader().load(cubemap_img_js);
equiManaged = new CubemapToEquirectangular(renderer, true, eqr_width, eqr_height);
};
cubemap_image_js.onerror = function () {
document.getElementById("error_message").style.display = 'inline-block'
};
document.body.appendChild(renderer.domElement);
window.addEventListener('resize', onWindowResize, false);
controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.autoRotate = true;
controls.autoRotateSpeed = 0.2;
controls.enableZoom = false;
controls.enablePan = false;
controls.enableDamping = true;
controls.dampingFactor = 0.15;
controls.rotateSpeed = -0.5;
// initial direction the camera faces
// We cannot edit camera rotation directly as the OrbitControls will
// immediately reset it so we need some math to tell the controls
// there to look at initially. Note there is also an offset of π/2 since
// the Viewer and three.js have slightly different coordinate systems
var spherical_target = new THREE.Spherical(1, Math.PI / 2, initial_heading + Math.PI / 2)
var target = new THREE.Vector3().setFromSpherical(spherical_target)
camera.position.set(target.x, target.y, target.z);
controls.update();
controls.saveState();
// update the text that gets passed in from the C++ app for
// the translucent overlay label that tells us what we are seeing
document.getElementById('quality_window').innerHTML = overlay_label;
animate();
}
window.addEventListener(
'mousedown',
function (event) {
controls.autoRotate = false;
},
false
);
window.addEventListener(
'dblclick',
function (event) {
controls.autoRotate = true;
},
false
);
function saveAsEqrImage(filename, xmp_details) {
equiManaged.update(camera, scene, filename, xmp_details);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
controls.update();
renderer.render(scene, camera);
}
</script>
<div id="error_message">UNABLE TO LOAD EQR IMAGE</div>
<div id="quality_window">Preview Quality</div>
</body>
</html>
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