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/**
* @author mrdoob / http://mrdoob.com
* @author Mugen87 / https://github.com/Mugen87
*/
var ARButton = {
createButton: function ( renderer ) {
function showEnterXR( /*device*/ ) {
var currentSession = null;
function onSessionStarted( session ) {
session.addEventListener( 'end', onSessionEnded );
/*
session.updateWorldTrackingState( {
'planeDetectionState': { 'enabled': true }
} );
*/
renderer.vr.setReferenceSpaceType( 'local' );
renderer.vr.setSession( session );
button.textContent = 'STOP AR';
currentSession = session;
}
function onSessionEnded( /*event*/ ) {
currentSession.removeEventListener( 'end', onSessionEnded );
renderer.vr.setSession( null );
button.textContent = 'START AR';
currentSession = null;
}
//
button.style.display = '';
button.style.cursor = 'pointer';
button.style.left = 'calc(50% - 50px)';
button.style.width = '100px';
button.textContent = 'START AR';
button.onmouseenter = function () {
button.style.opacity = '1.0';
};
button.onmouseleave = function () {
button.style.opacity = '0.5';
};
button.onclick = function () {
if ( currentSession === null ) {
navigator.xr.requestSession( 'immersive-ar' ).then( onSessionStarted );
} else {
currentSession.end();
}
};
}
function disableButton() {
button.style.display = '';
button.style.cursor = 'auto';
button.style.left = 'calc(50% - 75px)';
button.style.width = '150px';
button.onmouseenter = null;
button.onmouseleave = null;
button.onclick = null;
}
function showXRNotFound() {
disableButton();
button.textContent = 'XR NOT FOUND';
}
function stylizeElement( element ) {
element.style.position = 'absolute';
element.style.bottom = '20px';
element.style.padding = '12px 6px';
element.style.border = '1px solid #fff';
element.style.borderRadius = '4px';
element.style.background = 'rgba(0,0,0,0.1)';
element.style.color = '#fff';
element.style.font = 'normal 13px sans-serif';
element.style.textAlign = 'center';
element.style.opacity = '0.5';
element.style.outline = 'none';
element.style.zIndex = '999';
}
if ( 'xr' in navigator ) {
var button = document.createElement( 'button' );
button.style.display = 'none';
stylizeElement( button );
navigator.xr.isSessionSupported( 'immersive-ar' ).then( function ( supported ) {
if ( supported ) {
showEnterXR();
} else {
showXRNotFound();
}
} );
return button;
} else {
var message = document.createElement( 'a' );
message.href = 'https://immersive-web.github.io/webxr/';
if ( window.isSecureContext === false ) {
message.innerHTML = 'WEBXR NEEDS HTTPS'; // TODO Improve message
} else {
message.innerHTML = 'WEBXR NOT AVAILABLE';
}
message.style.left = 'calc(50% - 90px)';
message.style.width = '180px';
message.style.textDecoration = 'none';
stylizeElement( message );
return message;
}
}
};
export { ARButton };
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