You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
321 lines
7.4 KiB
321 lines
7.4 KiB
( function () {
|
|
|
|
const _changeEvent = {
|
|
type: 'change'
|
|
};
|
|
class FlyControls extends THREE.EventDispatcher {
|
|
|
|
constructor( object, domElement ) {
|
|
|
|
super();
|
|
this.object = object;
|
|
this.domElement = domElement;
|
|
|
|
// API
|
|
|
|
this.movementSpeed = 1.0;
|
|
this.rollSpeed = 0.005;
|
|
this.dragToLook = false;
|
|
this.autoForward = false;
|
|
|
|
// disable default target object behavior
|
|
|
|
// internals
|
|
|
|
const scope = this;
|
|
const EPS = 0.000001;
|
|
const lastQuaternion = new THREE.Quaternion();
|
|
const lastPosition = new THREE.Vector3();
|
|
this.tmpQuaternion = new THREE.Quaternion();
|
|
this.status = 0;
|
|
this.moveState = {
|
|
up: 0,
|
|
down: 0,
|
|
left: 0,
|
|
right: 0,
|
|
forward: 0,
|
|
back: 0,
|
|
pitchUp: 0,
|
|
pitchDown: 0,
|
|
yawLeft: 0,
|
|
yawRight: 0,
|
|
rollLeft: 0,
|
|
rollRight: 0
|
|
};
|
|
this.moveVector = new THREE.Vector3( 0, 0, 0 );
|
|
this.rotationVector = new THREE.Vector3( 0, 0, 0 );
|
|
this.keydown = function ( event ) {
|
|
|
|
if ( event.altKey ) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
switch ( event.code ) {
|
|
|
|
case 'ShiftLeft':
|
|
case 'ShiftRight':
|
|
this.movementSpeedMultiplier = .1;
|
|
break;
|
|
case 'KeyW':
|
|
this.moveState.forward = 1;
|
|
break;
|
|
case 'KeyS':
|
|
this.moveState.back = 1;
|
|
break;
|
|
case 'KeyA':
|
|
this.moveState.left = 1;
|
|
break;
|
|
case 'KeyD':
|
|
this.moveState.right = 1;
|
|
break;
|
|
case 'KeyR':
|
|
this.moveState.up = 1;
|
|
break;
|
|
case 'KeyF':
|
|
this.moveState.down = 1;
|
|
break;
|
|
case 'ArrowUp':
|
|
this.moveState.pitchUp = 1;
|
|
break;
|
|
case 'ArrowDown':
|
|
this.moveState.pitchDown = 1;
|
|
break;
|
|
case 'ArrowLeft':
|
|
this.moveState.yawLeft = 1;
|
|
break;
|
|
case 'ArrowRight':
|
|
this.moveState.yawRight = 1;
|
|
break;
|
|
case 'KeyQ':
|
|
this.moveState.rollLeft = 1;
|
|
break;
|
|
case 'KeyE':
|
|
this.moveState.rollRight = 1;
|
|
break;
|
|
|
|
}
|
|
|
|
this.updateMovementVector();
|
|
this.updateRotationVector();
|
|
|
|
};
|
|
|
|
this.keyup = function ( event ) {
|
|
|
|
switch ( event.code ) {
|
|
|
|
case 'ShiftLeft':
|
|
case 'ShiftRight':
|
|
this.movementSpeedMultiplier = 1;
|
|
break;
|
|
case 'KeyW':
|
|
this.moveState.forward = 0;
|
|
break;
|
|
case 'KeyS':
|
|
this.moveState.back = 0;
|
|
break;
|
|
case 'KeyA':
|
|
this.moveState.left = 0;
|
|
break;
|
|
case 'KeyD':
|
|
this.moveState.right = 0;
|
|
break;
|
|
case 'KeyR':
|
|
this.moveState.up = 0;
|
|
break;
|
|
case 'KeyF':
|
|
this.moveState.down = 0;
|
|
break;
|
|
case 'ArrowUp':
|
|
this.moveState.pitchUp = 0;
|
|
break;
|
|
case 'ArrowDown':
|
|
this.moveState.pitchDown = 0;
|
|
break;
|
|
case 'ArrowLeft':
|
|
this.moveState.yawLeft = 0;
|
|
break;
|
|
case 'ArrowRight':
|
|
this.moveState.yawRight = 0;
|
|
break;
|
|
case 'KeyQ':
|
|
this.moveState.rollLeft = 0;
|
|
break;
|
|
case 'KeyE':
|
|
this.moveState.rollRight = 0;
|
|
break;
|
|
|
|
}
|
|
|
|
this.updateMovementVector();
|
|
this.updateRotationVector();
|
|
|
|
};
|
|
|
|
this.pointerdown = function ( event ) {
|
|
|
|
if ( this.dragToLook ) {
|
|
|
|
this.status ++;
|
|
|
|
} else {
|
|
|
|
switch ( event.button ) {
|
|
|
|
case 0:
|
|
this.moveState.forward = 1;
|
|
break;
|
|
case 2:
|
|
this.moveState.back = 1;
|
|
break;
|
|
|
|
}
|
|
|
|
this.updateMovementVector();
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.pointermove = function ( event ) {
|
|
|
|
if ( ! this.dragToLook || this.status > 0 ) {
|
|
|
|
const container = this.getContainerDimensions();
|
|
const halfWidth = container.size[ 0 ] / 2;
|
|
const halfHeight = container.size[ 1 ] / 2;
|
|
this.moveState.yawLeft = - ( event.pageX - container.offset[ 0 ] - halfWidth ) / halfWidth;
|
|
this.moveState.pitchDown = ( event.pageY - container.offset[ 1 ] - halfHeight ) / halfHeight;
|
|
this.updateRotationVector();
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.pointerup = function ( event ) {
|
|
|
|
if ( this.dragToLook ) {
|
|
|
|
this.status --;
|
|
this.moveState.yawLeft = this.moveState.pitchDown = 0;
|
|
|
|
} else {
|
|
|
|
switch ( event.button ) {
|
|
|
|
case 0:
|
|
this.moveState.forward = 0;
|
|
break;
|
|
case 2:
|
|
this.moveState.back = 0;
|
|
break;
|
|
|
|
}
|
|
|
|
this.updateMovementVector();
|
|
|
|
}
|
|
|
|
this.updateRotationVector();
|
|
|
|
};
|
|
|
|
this.update = function ( delta ) {
|
|
|
|
const moveMult = delta * scope.movementSpeed;
|
|
const rotMult = delta * scope.rollSpeed;
|
|
scope.object.translateX( scope.moveVector.x * moveMult );
|
|
scope.object.translateY( scope.moveVector.y * moveMult );
|
|
scope.object.translateZ( scope.moveVector.z * moveMult );
|
|
scope.tmpQuaternion.set( scope.rotationVector.x * rotMult, scope.rotationVector.y * rotMult, scope.rotationVector.z * rotMult, 1 ).normalize();
|
|
scope.object.quaternion.multiply( scope.tmpQuaternion );
|
|
if ( lastPosition.distanceToSquared( scope.object.position ) > EPS || 8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {
|
|
|
|
scope.dispatchEvent( _changeEvent );
|
|
lastQuaternion.copy( scope.object.quaternion );
|
|
lastPosition.copy( scope.object.position );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.updateMovementVector = function () {
|
|
|
|
const forward = this.moveState.forward || this.autoForward && ! this.moveState.back ? 1 : 0;
|
|
this.moveVector.x = - this.moveState.left + this.moveState.right;
|
|
this.moveVector.y = - this.moveState.down + this.moveState.up;
|
|
this.moveVector.z = - forward + this.moveState.back;
|
|
|
|
//console.log( 'move:', [ this.moveVector.x, this.moveVector.y, this.moveVector.z ] );
|
|
|
|
};
|
|
|
|
this.updateRotationVector = function () {
|
|
|
|
this.rotationVector.x = - this.moveState.pitchDown + this.moveState.pitchUp;
|
|
this.rotationVector.y = - this.moveState.yawRight + this.moveState.yawLeft;
|
|
this.rotationVector.z = - this.moveState.rollRight + this.moveState.rollLeft;
|
|
|
|
//console.log( 'rotate:', [ this.rotationVector.x, this.rotationVector.y, this.rotationVector.z ] );
|
|
|
|
};
|
|
|
|
this.getContainerDimensions = function () {
|
|
|
|
if ( this.domElement != document ) {
|
|
|
|
return {
|
|
size: [ this.domElement.offsetWidth, this.domElement.offsetHeight ],
|
|
offset: [ this.domElement.offsetLeft, this.domElement.offsetTop ]
|
|
};
|
|
|
|
} else {
|
|
|
|
return {
|
|
size: [ window.innerWidth, window.innerHeight ],
|
|
offset: [ 0, 0 ]
|
|
};
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.dispose = function () {
|
|
|
|
this.domElement.removeEventListener( 'contextmenu', contextmenu );
|
|
this.domElement.removeEventListener( 'pointerdown', _pointerdown );
|
|
this.domElement.removeEventListener( 'pointermove', _pointermove );
|
|
this.domElement.removeEventListener( 'pointerup', _pointerup );
|
|
window.removeEventListener( 'keydown', _keydown );
|
|
window.removeEventListener( 'keyup', _keyup );
|
|
|
|
};
|
|
|
|
const _pointermove = this.pointermove.bind( this );
|
|
const _pointerdown = this.pointerdown.bind( this );
|
|
const _pointerup = this.pointerup.bind( this );
|
|
const _keydown = this.keydown.bind( this );
|
|
const _keyup = this.keyup.bind( this );
|
|
this.domElement.addEventListener( 'contextmenu', contextmenu );
|
|
this.domElement.addEventListener( 'pointerdown', _pointerdown );
|
|
this.domElement.addEventListener( 'pointermove', _pointermove );
|
|
this.domElement.addEventListener( 'pointerup', _pointerup );
|
|
window.addEventListener( 'keydown', _keydown );
|
|
window.addEventListener( 'keyup', _keyup );
|
|
this.updateMovementVector();
|
|
this.updateRotationVector();
|
|
|
|
}
|
|
|
|
}
|
|
function contextmenu( event ) {
|
|
|
|
event.preventDefault();
|
|
|
|
}
|
|
|
|
THREE.FlyControls = FlyControls;
|
|
|
|
} )();
|
|
|