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/**
* @author mrdoob / http://mrdoob.com/
* @author Mugen87 / https://github.com/Mugen87
*/
THREE.PointerLockControls = function ( camera, domElement ) {
var scope = this;
this.domElement = domElement || document.body;
this.isLocked = false;
camera.rotation.set( 0, 0, 0 );
var pitchObject = new THREE.Object3D();
pitchObject.add( camera );
var yawObject = new THREE.Object3D();
yawObject.position.y = 10;
yawObject.add( pitchObject );
var PI_2 = Math.PI / 2;
function onMouseMove( event ) {
if ( scope.isLocked === false ) return;
var movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
var movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
yawObject.rotation.y -= movementX * 0.002;
pitchObject.rotation.x -= movementY * 0.002;
pitchObject.rotation.x = Math.max( - PI_2, Math.min( PI_2, pitchObject.rotation.x ) );
}
function onPointerlockChange() {
if ( document.pointerLockElement === scope.domElement ) {
scope.dispatchEvent( { type: 'lock' } );
scope.isLocked = true;
} else {
scope.dispatchEvent( { type: 'unlock' } );
scope.isLocked = false;
}
}
function onPointerlockError() {
console.error( 'THREE.PointerLockControls: Unable to use Pointer Lock API' );
}
this.connect = function () {
document.addEventListener( 'mousemove', onMouseMove, false );
document.addEventListener( 'pointerlockchange', onPointerlockChange, false );
document.addEventListener( 'pointerlockerror', onPointerlockError, false );
};
this.disconnect = function () {
document.removeEventListener( 'mousemove', onMouseMove, false );
document.removeEventListener( 'pointerlockchange', onPointerlockChange, false );
document.removeEventListener( 'pointerlockerror', onPointerlockError, false );
};
this.dispose = function () {
this.disconnect();
};
this.getObject = function () {
return yawObject;
};
this.getDirection = function () {
// assumes the camera itself is not rotated
var direction = new THREE.Vector3( 0, 0, - 1 );
var rotation = new THREE.Euler( 0, 0, 0, 'YXZ' );
return function ( v ) {
rotation.set( pitchObject.rotation.x, yawObject.rotation.y, 0 );
v.copy( direction ).applyEuler( rotation );
return v;
};
}();
this.lock = function () {
this.domElement.requestPointerLock();
};
this.unlock = function () {
document.exitPointerLock();
};
this.connect();
};
THREE.PointerLockControls.prototype = Object.create( THREE.EventDispatcher.prototype );
THREE.PointerLockControls.prototype.constructor = THREE.PointerLockControls;
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