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December 14, 2015 22:39
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Using escape key to trigger Pointer Lock.
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <script type="text/javascript"> | |
| var elem = document.body; | |
| var isLocked = false; | |
| var escDown = false; | |
| elem.requestFullscreen = | |
| elem.requestFullscreen || | |
| elem.mozRequestFullscreen || | |
| elem.mozRequestFullScreen || | |
| elem.webkitRequestFullscreen; | |
| elem.requestPointerLock = | |
| elem.requestPointerLock || | |
| elem.mozRequestPointerLock || | |
| elem.webkitRequestPointerLock; | |
| var enablePointerLock = function() { | |
| if ( elem.webkitRequestPointerLock ) { | |
| elem.requestPointerLock(); | |
| } else { | |
| elem.requestFullscreen(); | |
| } | |
| }; | |
| var onFullscreenChange = function() { | |
| elem.requestPointerLock(); | |
| }; | |
| document.addEventListener( 'fullscreenchange', onFullscreenChange ); | |
| document.addEventListener( 'mozfullscreenchange', onFullscreenChange ); | |
| document.addEventListener( 'webkitfullscreenchange', onFullscreenChange ); | |
| var onPointerLockChange = function() { | |
| isLocked = !isLocked; | |
| }; | |
| document.addEventListener( 'pointerlockchange', onPointerLockChange ); | |
| document.addEventListener( 'mozpointerlockchange', onPointerLockChange ); | |
| document.addEventListener( 'webkitpointerlockchange', onPointerLockChange ); | |
| elem.addEventListener( 'keydown', function( e ) { | |
| if ( e.keyCode === 27 ) { | |
| escDown = true; | |
| } | |
| }); | |
| elem.addEventListener( 'keyup', function( e ) { | |
| if ( e.keyCode === 27 ) { | |
| if ( !isLocked && escDown ) { | |
| enablePointerLock(); | |
| } | |
| escDown = false; | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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