import {
|
Euler,
|
EventDispatcher,
|
Vector3
|
} from '../three.module.js';
|
|
const _euler = new Euler( 0, 0, 0, 'YXZ' );
|
const _vector = new Vector3();
|
|
const _changeEvent = { type: 'change' };
|
const _lockEvent = { type: 'lock' };
|
const _unlockEvent = { type: 'unlock' };
|
|
const _PI_2 = Math.PI / 2;
|
|
class PointerLockControls extends EventDispatcher {
|
|
constructor( camera, domElement ) {
|
|
super();
|
|
if ( domElement === undefined ) {
|
|
console.warn( 'THREE.PointerLockControls: The second parameter "domElement" is now mandatory.' );
|
domElement = document.body;
|
|
}
|
|
this.domElement = domElement;
|
this.isLocked = false;
|
|
// Set to constrain the pitch of the camera
|
// Range is 0 to Math.PI radians
|
this.minPolarAngle = 0; // radians
|
this.maxPolarAngle = Math.PI; // radians
|
|
const scope = this;
|
|
function onMouseMove( event ) {
|
|
if ( scope.isLocked === false ) return;
|
|
const movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
|
const movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
|
|
_euler.setFromQuaternion( camera.quaternion );
|
|
_euler.y -= movementX * 0.002;
|
_euler.x -= movementY * 0.002;
|
|
_euler.x = Math.max( _PI_2 - scope.maxPolarAngle, Math.min( _PI_2 - scope.minPolarAngle, _euler.x ) );
|
|
camera.quaternion.setFromEuler( _euler );
|
|
scope.dispatchEvent( _changeEvent );
|
|
}
|
|
function onPointerlockChange() {
|
|
if ( scope.domElement.ownerDocument.pointerLockElement === scope.domElement ) {
|
|
scope.dispatchEvent( _lockEvent );
|
|
scope.isLocked = true;
|
|
} else {
|
|
scope.dispatchEvent( _unlockEvent );
|
|
scope.isLocked = false;
|
|
}
|
|
}
|
|
function onPointerlockError() {
|
|
console.error( 'THREE.PointerLockControls: Unable to use Pointer Lock API' );
|
|
}
|
|
this.connect = function () {
|
|
scope.domElement.ownerDocument.addEventListener( 'mousemove', onMouseMove );
|
scope.domElement.ownerDocument.addEventListener( 'pointerlockchange', onPointerlockChange );
|
scope.domElement.ownerDocument.addEventListener( 'pointerlockerror', onPointerlockError );
|
|
};
|
|
this.disconnect = function () {
|
|
scope.domElement.ownerDocument.removeEventListener( 'mousemove', onMouseMove );
|
scope.domElement.ownerDocument.removeEventListener( 'pointerlockchange', onPointerlockChange );
|
scope.domElement.ownerDocument.removeEventListener( 'pointerlockerror', onPointerlockError );
|
|
};
|
|
this.dispose = function () {
|
|
this.disconnect();
|
|
};
|
|
this.getObject = function () { // retaining this method for backward compatibility
|
|
return camera;
|
|
};
|
|
this.getDirection = function () {
|
|
const direction = new Vector3( 0, 0, - 1 );
|
|
return function ( v ) {
|
|
return v.copy( direction ).applyQuaternion( camera.quaternion );
|
|
};
|
|
}();
|
|
this.moveForward = function ( distance ) {
|
|
// move forward parallel to the xz-plane
|
// assumes camera.up is y-up
|
|
_vector.setFromMatrixColumn( camera.matrix, 0 );
|
|
_vector.crossVectors( camera.up, _vector );
|
|
camera.position.addScaledVector( _vector, distance );
|
|
};
|
|
this.moveRight = function ( distance ) {
|
|
_vector.setFromMatrixColumn( camera.matrix, 0 );
|
|
camera.position.addScaledVector( _vector, distance );
|
|
};
|
|
this.lock = function () {
|
|
this.domElement.requestPointerLock();
|
|
};
|
|
this.unlock = function () {
|
|
scope.domElement.ownerDocument.exitPointerLock();
|
|
};
|
|
this.connect();
|
|
}
|
|
}
|
|
export { PointerLockControls };
|
