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/**
* @author mrdoob / http://mrdoob.com
* @author Mugen87 / https://github.com/Mugen87
*
* Based on @tojiro's vr-samples-utils.js
*/
THREE.WEBVR = {
createButton: function ( renderer, options ) {
if ( options && options.referenceSpaceType ) {
renderer.vr.setReferenceSpaceType( options.referenceSpaceType );
}
function showEnterVR( device ) {
button.style.display = '';
button.style.cursor = 'pointer';
button.style.left = 'calc(50% - 50px)';
button.style.width = '100px';
button.textContent = 'ENTER VR';
button.onmouseenter = function () {
button.style.opacity = '1.0';
};
button.onmouseleave = function () {
button.style.opacity = '0.5';
};
button.onclick = function () {
device.isPresenting ? device.exitPresent() : device.requestPresent( [ { source: renderer.domElement } ] );
};
renderer.vr.setDevice( device );
}
function showEnterXR( /*device*/ ) {
var currentSession = null;
function onSessionStarted( session ) {
session.addEventListener( 'end', onSessionEnded );
renderer.vr.setSession( session );
button.textContent = 'EXIT XR';
currentSession = session;
}
function onSessionEnded( /*event*/ ) {
currentSession.removeEventListener( 'end', onSessionEnded );
renderer.vr.setSession( null );
button.textContent = 'ENTER XR';
currentSession = null;
}
//
button.style.display = '';
button.style.cursor = 'pointer';
button.style.left = 'calc(50% - 50px)';
button.style.width = '100px';
button.textContent = 'ENTER XR';
button.onmouseenter = function () {
button.style.opacity = '1.0';
};
button.onmouseleave = function () {
button.style.opacity = '0.5';
};
button.onclick = function () {
if ( currentSession === null ) {
// WebXR's requestReferenceSpace only works if the corresponding feature
// was requested at session creation time. For simplicity, just ask for
// the interesting ones as optional features, but be aware that the
// requestReferenceSpace call will fail if it turns out to be unavailable.
// ('local' is always available for immersive sessions and doesn't need to
// be requested separately.)
var sessionInit = { optionalFeatures: [ 'local-floor', 'bounded-floor' ] };
navigator.xr.requestSession( 'immersive-vr', sessionInit ).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 showVRNotFound() {
disableButton();
button.textContent = 'VR NOT FOUND';
renderer.vr.setDevice( 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-vr' ).then( function ( supported ) {
if ( supported ) {
showEnterXR();
} else {
showXRNotFound();
}
} );
return button;
} else if ( 'getVRDisplays' in navigator ) {
var button = document.createElement( 'button' );
button.style.display = 'none';
stylizeElement( button );
window.addEventListener( 'vrdisplayconnect', function ( event ) {
showEnterVR( event.display );
}, false );
window.addEventListener( 'vrdisplaydisconnect', function ( /*event*/ ) {
showVRNotFound();
}, false );
window.addEventListener( 'vrdisplaypresentchange', function ( event ) {
button.textContent = event.display.isPresenting ? 'EXIT VR' : 'ENTER VR';
}, false );
window.addEventListener( 'vrdisplayactivate', function ( event ) {
event.display.requestPresent( [ { source: renderer.domElement } ] );
}, false );
navigator.getVRDisplays()
.then( function ( displays ) {
if ( displays.length > 0 ) {
showEnterVR( displays[ 0 ] );
} else {
showVRNotFound();
}
} ).catch( showVRNotFound );
return button;
} else {
var message = document.createElement( 'a' );
message.href = 'https://webvr.info';
message.innerHTML = 'WEBVR NOT SUPPORTED';
message.style.left = 'calc(50% - 90px)';
message.style.width = '180px';
message.style.textDecoration = 'none';
stylizeElement( message );
return message;
}
}
}; |