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camera-controls.module.js
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/*!
* camera-controls
* https://github.com/yomotsu/camera-controls
* (c) 2017 @yomotsu
* Released under the MIT License.
*/
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
var ACTION;
(function (ACTION) {
ACTION[ACTION["NONE"] = 0] = "NONE";
ACTION[ACTION["ROTATE"] = 1] = "ROTATE";
ACTION[ACTION["TRUCK"] = 2] = "TRUCK";
ACTION[ACTION["OFFSET"] = 3] = "OFFSET";
ACTION[ACTION["DOLLY"] = 4] = "DOLLY";
ACTION[ACTION["ZOOM"] = 5] = "ZOOM";
ACTION[ACTION["TOUCH_ROTATE"] = 6] = "TOUCH_ROTATE";
ACTION[ACTION["TOUCH_TRUCK"] = 7] = "TOUCH_TRUCK";
ACTION[ACTION["TOUCH_OFFSET"] = 8] = "TOUCH_OFFSET";
ACTION[ACTION["TOUCH_DOLLY"] = 9] = "TOUCH_DOLLY";
ACTION[ACTION["TOUCH_ZOOM"] = 10] = "TOUCH_ZOOM";
ACTION[ACTION["TOUCH_DOLLY_TRUCK"] = 11] = "TOUCH_DOLLY_TRUCK";
ACTION[ACTION["TOUCH_DOLLY_OFFSET"] = 12] = "TOUCH_DOLLY_OFFSET";
ACTION[ACTION["TOUCH_ZOOM_TRUCK"] = 13] = "TOUCH_ZOOM_TRUCK";
ACTION[ACTION["TOUCH_ZOOM_OFFSET"] = 14] = "TOUCH_ZOOM_OFFSET";
})(ACTION || (ACTION = {}));
var PI_2 = Math.PI * 2;
var PI_HALF = Math.PI / 2;
var FPS_60 = 1 / 0.016;
var EPSILON = 1e-5;
function approxZero(number) {
return Math.abs(number) < EPSILON;
}
function approxEquals(a, b) {
return approxZero(a - b);
}
function roundToStep(value, step) {
return Math.round(value / step) * step;
}
function infinityToMaxNumber(value) {
if (isFinite(value))
return value;
if (value < 0)
return -Number.MAX_VALUE;
return Number.MAX_VALUE;
}
function maxNumberToInfinity(value) {
if (Math.abs(value) < Number.MAX_VALUE)
return value;
return value * Infinity;
}
function isTouchEvent(event) {
return 'TouchEvent' in window && event instanceof TouchEvent;
}
function extractClientCoordFromEvent(event, out) {
out.set(0, 0);
if (isTouchEvent(event)) {
var touchEvent = event;
for (var i = 0; i < touchEvent.touches.length; i++) {
out.x += touchEvent.touches[i].clientX;
out.y += touchEvent.touches[i].clientY;
}
out.x /= touchEvent.touches.length;
out.y /= touchEvent.touches.length;
return out;
}
else {
var mouseEvent = event;
out.set(mouseEvent.clientX, mouseEvent.clientY);
return out;
}
}
function notSupportedInOrthographicCamera(camera, message) {
if (!camera.isPerspectiveCamera) {
console.warn(message + " is not supported in OrthographicCamera");
return true;
}
return false;
}
var EventDispatcher = (function () {
function EventDispatcher() {
this._listeners = {};
}
EventDispatcher.prototype.addEventListener = function (type, listener) {
var listeners = this._listeners;
if (listeners[type] === undefined)
listeners[type] = [];
if (listeners[type].indexOf(listener) === -1)
listeners[type].push(listener);
};
EventDispatcher.prototype.removeEventListener = function (type, listener) {
var listeners = this._listeners;
var listenerArray = listeners[type];
if (listenerArray !== undefined) {
var index = listenerArray.indexOf(listener);
if (index !== -1)
listenerArray.splice(index, 1);
}
};
EventDispatcher.prototype.removeAllEventListeners = function (type) {
if (!type) {
this._listeners = {};
return;
}
if (Array.isArray(this._listeners[type]))
this._listeners[type].length = 0;
};
EventDispatcher.prototype.dispatchEvent = function (event) {
var listeners = this._listeners;
var listenerArray = listeners[event.type];
if (listenerArray !== undefined) {
event.target = this;
var array = listenerArray.slice(0);
for (var i = 0, l = array.length; i < l; i++) {
array[i].call(this, event);
}
}
};
return EventDispatcher;
}());
var isBrowser = typeof window !== 'undefined';
var isMac = isBrowser && /Mac/.test(navigator.platform);
var readonlyACTION = Object.freeze(ACTION);
var TOUCH_DOLLY_FACTOR = 1 / 8;
var THREE;
var _ORIGIN;
var _AXIS_Y;
var _AXIS_Z;
var _v2;
var _v3A;
var _v3B;
var _v3C;
var _xColumn;
var _yColumn;
var _sphericalA;
var _sphericalB;
var _box3A;
var _box3B;
var _quaternionA;
var _quaternionB;
var _rotationMatrix;
var _raycaster;
var CameraControls = (function (_super) {
__extends(CameraControls, _super);
function CameraControls(camera, domElement) {
var _this = _super.call(this) || this;
_this.enabled = true;
_this.minPolarAngle = 0;
_this.maxPolarAngle = Math.PI;
_this.minAzimuthAngle = -Infinity;
_this.maxAzimuthAngle = Infinity;
_this.minDistance = 0;
_this.maxDistance = Infinity;
_this.infinityDolly = false;
_this.minZoom = 0.01;
_this.maxZoom = Infinity;
_this.dampingFactor = 0.05;
_this.draggingDampingFactor = 0.25;
_this.azimuthRotateSpeed = 1.0;
_this.polarRotateSpeed = 1.0;
_this.dollySpeed = 1.0;
_this.truckSpeed = 2.0;
_this.dollyToCursor = false;
_this.dragToOffset = false;
_this.verticalDragToForward = false;
_this.boundaryFriction = 0.0;
_this.colliderMeshes = [];
_this._state = ACTION.NONE;
_this._viewport = null;
_this._dollyControlAmount = 0;
_this._boundaryEnclosesCamera = false;
_this._needsUpdate = true;
_this._updatedLastTime = false;
if (typeof THREE === 'undefined') {
console.error('camera-controls: `THREE` is undefined. You must first run `CameraControls.install( { THREE: THREE } )`. Check the docs for further information.');
}
_this._camera = camera;
_this._yAxisUpSpace = new THREE.Quaternion().setFromUnitVectors(_this._camera.up, _AXIS_Y);
_this._yAxisUpSpaceInverse = _this._yAxisUpSpace.clone().inverse();
_this._state = ACTION.NONE;
_this._domElement = domElement;
_this._target = new THREE.Vector3();
_this._targetEnd = _this._target.clone();
_this._focalOffset = new THREE.Vector3();
_this._focalOffsetEnd = _this._focalOffset.clone();
_this._spherical = new THREE.Spherical().setFromVector3(_v3A.copy(_this._camera.position).applyQuaternion(_this._yAxisUpSpace));
_this._sphericalEnd = _this._spherical.clone();
_this._zoom = _this._camera.zoom;
_this._zoomEnd = _this._zoom;
_this._nearPlaneCorners = [
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3(),
];
_this._updateNearPlaneCorners();
_this._boundary = new THREE.Box3(new THREE.Vector3(-Infinity, -Infinity, -Infinity), new THREE.Vector3(Infinity, Infinity, Infinity));
_this._target0 = _this._target.clone();
_this._position0 = _this._camera.position.clone();
_this._zoom0 = _this._zoom;
_this._focalOffset0 = _this._focalOffset.clone();
_this._dollyControlAmount = 0;
_this._dollyControlCoord = new THREE.Vector2();
_this.mouseButtons = {
left: ACTION.ROTATE,
middle: ACTION.DOLLY,
right: ACTION.TRUCK,
wheel: _this._camera.isPerspectiveCamera ? ACTION.DOLLY :
_this._camera.isOrthographicCamera ? ACTION.ZOOM :
ACTION.NONE,
};
_this.touches = {
one: ACTION.TOUCH_ROTATE,
two: _this._camera.isPerspectiveCamera ? ACTION.TOUCH_DOLLY_TRUCK :
_this._camera.isOrthographicCamera ? ACTION.TOUCH_ZOOM_TRUCK :
ACTION.NONE,
three: ACTION.TOUCH_TRUCK,
};
if (_this._domElement) {
var dragStartPosition_1 = new THREE.Vector2();
var lastDragPosition_1 = new THREE.Vector2();
var dollyStart_1 = new THREE.Vector2();
var elementRect_1 = new THREE.Vector4();
var truckInternal_1 = function (deltaX, deltaY, dragToOffset) {
if (_this._camera.isPerspectiveCamera) {
var camera_1 = _this._camera;
var offset = _v3A.copy(camera_1.position).sub(_this._target);
var fov = camera_1.getEffectiveFOV() * THREE.MathUtils.DEG2RAD;
var targetDistance = offset.length() * Math.tan(fov * 0.5);
var truckX = (_this.truckSpeed * deltaX * targetDistance / elementRect_1.w);
var pedestalY = (_this.truckSpeed * deltaY * targetDistance / elementRect_1.w);
if (_this.verticalDragToForward) {
dragToOffset ?
_this.setFocalOffset(_this._focalOffsetEnd.x + truckX, _this._focalOffsetEnd.y, true) :
_this.truck(truckX, 0, true);
_this.forward(-pedestalY, true);
}
else {
dragToOffset ?
_this.setFocalOffset(_this._focalOffsetEnd.x + truckX, _this._focalOffsetEnd.y + pedestalY, true) :
_this.truck(truckX, pedestalY, true);
}
}
else if (_this._camera.isOrthographicCamera) {
var camera_2 = _this._camera;
var truckX = deltaX * (camera_2.right - camera_2.left) / camera_2.zoom / elementRect_1.z;
var pedestalY = deltaY * (camera_2.top - camera_2.bottom) / camera_2.zoom / elementRect_1.w;
dragToOffset ?
_this.setFocalOffset(_this._focalOffsetEnd.x + truckX, _this._focalOffsetEnd.y + pedestalY, true) :
_this.truck(truckX, pedestalY, true);
}
};
var rotateInternal_1 = function (deltaX, deltaY) {
var theta = PI_2 * _this.azimuthRotateSpeed * deltaX / elementRect_1.w;
var phi = PI_2 * _this.polarRotateSpeed * deltaY / elementRect_1.w;
_this.rotate(theta, phi, true);
};
var dollyInternal_1 = function (delta, x, y) {
var dollyScale = Math.pow(0.95, -delta * _this.dollySpeed);
var distance = _this._sphericalEnd.radius * dollyScale;
var prevRadius = _this._sphericalEnd.radius;
_this.dollyTo(distance);
if (_this.infinityDolly && distance < _this.minDistance) {
_this._camera.getWorldDirection(_v3A);
_this._targetEnd.add(_v3A.normalize().multiplyScalar(prevRadius));
_this._target.add(_v3A.normalize().multiplyScalar(prevRadius));
}
if (_this.dollyToCursor) {
_this._dollyControlAmount += _this._sphericalEnd.radius - prevRadius;
_this._dollyControlCoord.set(x, y);
}
return;
};
var zoomInternal_1 = function (delta) {
var zoomScale = Math.pow(0.95, delta * _this.dollySpeed);
_this.zoomTo(_this._zoom * zoomScale);
return;
};
var onMouseDown_1 = function (event) {
if (!_this.enabled)
return;
event.preventDefault();
var prevState = _this._state;
switch (event.button) {
case THREE.MOUSE.LEFT:
_this._state = _this.mouseButtons.left;
break;
case THREE.MOUSE.MIDDLE:
_this._state = _this.mouseButtons.middle;
break;
case THREE.MOUSE.RIGHT:
_this._state = _this.mouseButtons.right;
break;
}
if (prevState !== _this._state) {
startDragging_1(event);
}
};
var onTouchStart_1 = function (event) {
if (!_this.enabled)
return;
event.preventDefault();
var prevState = _this._state;
switch (event.touches.length) {
case 1:
_this._state = _this.touches.one;
break;
case 2:
_this._state = _this.touches.two;
break;
case 3:
_this._state = _this.touches.three;
break;
}
if (prevState !== _this._state) {
startDragging_1(event);
}
};
var lastScrollTimeStamp_1 = -1;
var onMouseWheel_1 = function (event) {
if (!_this.enabled || _this.mouseButtons.wheel === ACTION.NONE)
return;
event.preventDefault();
if (_this.dollyToCursor ||
_this.mouseButtons.wheel === ACTION.ROTATE ||
_this.mouseButtons.wheel === ACTION.TRUCK) {
var now = performance.now();
if (lastScrollTimeStamp_1 - now < 1000)
_this._getClientRect(elementRect_1);
lastScrollTimeStamp_1 = now;
}
var deltaYFactor = isMac ? -1 : -3;
var delta = (event.deltaMode === 1) ? event.deltaY / deltaYFactor : event.deltaY / (deltaYFactor * 10);
var x = _this.dollyToCursor ? (event.clientX - elementRect_1.x) / elementRect_1.z * 2 - 1 : 0;
var y = _this.dollyToCursor ? (event.clientY - elementRect_1.y) / elementRect_1.w * -2 + 1 : 0;
switch (_this.mouseButtons.wheel) {
case ACTION.ROTATE: {
rotateInternal_1(event.deltaX, event.deltaY);
break;
}
case ACTION.TRUCK: {
truckInternal_1(event.deltaX, event.deltaY, false);
break;
}
case ACTION.OFFSET: {
truckInternal_1(event.deltaX, event.deltaY, true);
break;
}
case ACTION.DOLLY: {
dollyInternal_1(-delta, x, y);
break;
}
case ACTION.ZOOM: {
zoomInternal_1(-delta);
break;
}
}
_this.dispatchEvent({
type: 'control',
originalEvent: event,
});
};
var onContextMenu_1 = function (event) {
if (!_this.enabled)
return;
event.preventDefault();
};
var startDragging_1 = function (event) {
if (!_this.enabled)
return;
event.preventDefault();
extractClientCoordFromEvent(event, _v2);
_this._getClientRect(elementRect_1);
dragStartPosition_1.copy(_v2);
lastDragPosition_1.copy(_v2);
var isMultiTouch = isTouchEvent(event) && event.touches.length >= 2;
if (isMultiTouch) {
var touchEvent = event;
var dx = _v2.x - touchEvent.touches[1].clientX;
var dy = _v2.y - touchEvent.touches[1].clientY;
var distance = Math.sqrt(dx * dx + dy * dy);
dollyStart_1.set(0, distance);
var x = (touchEvent.touches[0].clientX + touchEvent.touches[1].clientX) * 0.5;
var y = (touchEvent.touches[0].clientY + touchEvent.touches[1].clientY) * 0.5;
lastDragPosition_1.set(x, y);
}
document.addEventListener('mousemove', dragging_1);
document.addEventListener('touchmove', dragging_1, { passive: false });
document.addEventListener('mouseup', endDragging_1);
document.addEventListener('touchend', endDragging_1);
_this.dispatchEvent({
type: 'controlstart',
originalEvent: event,
});
};
var dragging_1 = function (event) {
if (!_this.enabled)
return;
event.preventDefault();
extractClientCoordFromEvent(event, _v2);
var deltaX = lastDragPosition_1.x - _v2.x;
var deltaY = lastDragPosition_1.y - _v2.y;
lastDragPosition_1.copy(_v2);
switch (_this._state) {
case ACTION.ROTATE:
case ACTION.TOUCH_ROTATE: {
rotateInternal_1(deltaX, deltaY);
break;
}
case ACTION.DOLLY:
case ACTION.ZOOM: {
var dollyX = _this.dollyToCursor ? (dragStartPosition_1.x - elementRect_1.x) / elementRect_1.z * 2 - 1 : 0;
var dollyY = _this.dollyToCursor ? (dragStartPosition_1.y - elementRect_1.y) / elementRect_1.w * -2 + 1 : 0;
_this._state === ACTION.DOLLY ?
dollyInternal_1(deltaY * TOUCH_DOLLY_FACTOR, dollyX, dollyY) :
zoomInternal_1(deltaY * TOUCH_DOLLY_FACTOR);
break;
}
case ACTION.TOUCH_DOLLY:
case ACTION.TOUCH_ZOOM:
case ACTION.TOUCH_DOLLY_TRUCK:
case ACTION.TOUCH_ZOOM_TRUCK:
case ACTION.TOUCH_DOLLY_OFFSET:
case ACTION.TOUCH_ZOOM_OFFSET: {
var touchEvent = event;
var dx = _v2.x - touchEvent.touches[1].clientX;
var dy = _v2.y - touchEvent.touches[1].clientY;
var distance = Math.sqrt(dx * dx + dy * dy);
var dollyDelta = dollyStart_1.y - distance;
dollyStart_1.set(0, distance);
var dollyX = _this.dollyToCursor ? (lastDragPosition_1.x - elementRect_1.x) / elementRect_1.z * 2 - 1 : 0;
var dollyY = _this.dollyToCursor ? (lastDragPosition_1.y - elementRect_1.y) / elementRect_1.w * -2 + 1 : 0;
_this._state === ACTION.TOUCH_DOLLY ||
_this._state === ACTION.TOUCH_DOLLY_TRUCK ?
dollyInternal_1(dollyDelta * TOUCH_DOLLY_FACTOR, dollyX, dollyY) :
zoomInternal_1(dollyDelta * TOUCH_DOLLY_FACTOR);
if (_this._state === ACTION.TOUCH_DOLLY_TRUCK ||
_this._state === ACTION.TOUCH_ZOOM_TRUCK) {
truckInternal_1(deltaX, deltaY, false);
}
else if (_this._state === ACTION.TOUCH_DOLLY_OFFSET ||
_this._state === ACTION.TOUCH_ZOOM_OFFSET) {
truckInternal_1(deltaX, deltaY, true);
}
break;
}
case ACTION.TRUCK:
case ACTION.TOUCH_TRUCK: {
truckInternal_1(deltaX, deltaY, false);
break;
}
case ACTION.OFFSET:
case ACTION.TOUCH_OFFSET: {
truckInternal_1(deltaX, deltaY, true);
break;
}
}
_this.dispatchEvent({
type: 'control',
originalEvent: event,
});
};
var endDragging_1 = function (event) {
if (!_this.enabled)
return;
_this._state = ACTION.NONE;
document.removeEventListener('mousemove', dragging_1);
document.removeEventListener('touchmove', dragging_1, { passive: false });
document.removeEventListener('mouseup', endDragging_1);
document.removeEventListener('touchend', endDragging_1);
_this.dispatchEvent({
type: 'controlend',
originalEvent: event,
});
};
_this._domElement.addEventListener('mousedown', onMouseDown_1);
_this._domElement.addEventListener('touchstart', onTouchStart_1);
_this._domElement.addEventListener('wheel', onMouseWheel_1);
_this._domElement.addEventListener('contextmenu', onContextMenu_1);
_this._removeAllEventListeners = function () {
_this._domElement.removeEventListener('mousedown', onMouseDown_1);
_this._domElement.removeEventListener('touchstart', onTouchStart_1);
_this._domElement.removeEventListener('wheel', onMouseWheel_1);
_this._domElement.removeEventListener('contextmenu', onContextMenu_1);
document.removeEventListener('mousemove', dragging_1);
document.removeEventListener('touchmove', dragging_1, { passive: false });
document.removeEventListener('mouseup', endDragging_1);
document.removeEventListener('touchend', endDragging_1);
};
}
_this.update(0);
return _this;
}
CameraControls.install = function (libs) {
THREE = libs.THREE;
_ORIGIN = Object.freeze(new THREE.Vector3(0, 0, 0));
_AXIS_Y = Object.freeze(new THREE.Vector3(0, 1, 0));
_AXIS_Z = Object.freeze(new THREE.Vector3(0, 0, 1));
_v2 = new THREE.Vector2();
_v3A = new THREE.Vector3();
_v3B = new THREE.Vector3();
_v3C = new THREE.Vector3();
_xColumn = new THREE.Vector3();
_yColumn = new THREE.Vector3();
_sphericalA = new THREE.Spherical();
_sphericalB = new THREE.Spherical();
_box3A = new THREE.Box3();
_box3B = new THREE.Box3();
_quaternionA = new THREE.Quaternion();
_quaternionB = new THREE.Quaternion();
_rotationMatrix = new THREE.Matrix4();
_raycaster = new THREE.Raycaster();
};
Object.defineProperty(CameraControls, "ACTION", {
get: function () {
return readonlyACTION;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "currentAction", {
get: function () {
return this._state;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "distance", {
get: function () {
return this._spherical.radius;
},
set: function (distance) {
if (this._spherical.radius === distance &&
this._sphericalEnd.radius === distance)
return;
this._spherical.radius = distance;
this._sphericalEnd.radius = distance;
this._needsUpdate = true;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "azimuthAngle", {
get: function () {
return this._spherical.theta;
},
set: function (azimuthAngle) {
if (this._spherical.theta === azimuthAngle &&
this._sphericalEnd.theta === azimuthAngle)
return;
this._spherical.theta = azimuthAngle;
this._sphericalEnd.theta = azimuthAngle;
this._needsUpdate = true;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "polarAngle", {
get: function () {
return this._spherical.phi;
},
set: function (polarAngle) {
if (this._spherical.phi === polarAngle &&
this._sphericalEnd.phi === polarAngle)
return;
this._spherical.phi = polarAngle;
this._sphericalEnd.phi = polarAngle;
this._needsUpdate = true;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "phiSpeed", {
set: function (speed) {
console.warn('phiSpeed was renamed. use azimuthRotateSpeed instead');
this.azimuthRotateSpeed = speed;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "thetaSpeed", {
set: function (speed) {
console.warn('thetaSpeed was renamed. use polarRotateSpeed instead');
this.polarRotateSpeed = speed;
},
enumerable: false,
configurable: true
});
Object.defineProperty(CameraControls.prototype, "boundaryEnclosesCamera", {
get: function () {
return this._boundaryEnclosesCamera;
},
set: function (boundaryEnclosesCamera) {
this._boundaryEnclosesCamera = boundaryEnclosesCamera;
this._needsUpdate = true;
},
enumerable: false,
configurable: true
});
CameraControls.prototype.addEventListener = function (type, listener) {
_super.prototype.addEventListener.call(this, type, listener);
};
CameraControls.prototype.removeEventListener = function (type, listener) {
_super.prototype.removeEventListener.call(this, type, listener);
};
CameraControls.prototype.rotate = function (azimuthAngle, polarAngle, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this.rotateTo(this._sphericalEnd.theta + azimuthAngle, this._sphericalEnd.phi + polarAngle, enableTransition);
};
CameraControls.prototype.rotateTo = function (azimuthAngle, polarAngle, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
var theta = THREE.MathUtils.clamp(azimuthAngle, this.minAzimuthAngle, this.maxAzimuthAngle);
var phi = THREE.MathUtils.clamp(polarAngle, this.minPolarAngle, this.maxPolarAngle);
this._sphericalEnd.theta = theta;
this._sphericalEnd.phi = phi;
this._sphericalEnd.makeSafe();
if (!enableTransition) {
this._spherical.theta = this._sphericalEnd.theta;
this._spherical.phi = this._sphericalEnd.phi;
}
this._needsUpdate = true;
};
CameraControls.prototype.dolly = function (distance, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this.dollyTo(this._sphericalEnd.radius - distance, enableTransition);
};
CameraControls.prototype.dollyTo = function (distance, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
if (notSupportedInOrthographicCamera(this._camera, 'dolly'))
return;
this._sphericalEnd.radius = THREE.MathUtils.clamp(distance, this.minDistance, this.maxDistance);
if (!enableTransition) {
this._spherical.radius = this._sphericalEnd.radius;
}
this._needsUpdate = true;
};
CameraControls.prototype.zoom = function (zoomStep, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this.zoomTo(this._zoomEnd + zoomStep, enableTransition);
};
CameraControls.prototype.zoomTo = function (zoom, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this._zoomEnd = THREE.MathUtils.clamp(zoom, this.minZoom, this.maxZoom);
if (!enableTransition) {
this._zoom = this._zoomEnd;
}
this._needsUpdate = true;
};
CameraControls.prototype.pan = function (x, y, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
console.log('`pan` has been renamed to `truck`');
this.truck(x, y, enableTransition);
};
CameraControls.prototype.truck = function (x, y, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this._camera.updateMatrix();
_xColumn.setFromMatrixColumn(this._camera.matrix, 0);
_yColumn.setFromMatrixColumn(this._camera.matrix, 1);
_xColumn.multiplyScalar(x);
_yColumn.multiplyScalar(-y);
var offset = _v3A.copy(_xColumn).add(_yColumn);
this._encloseToBoundary(this._targetEnd, offset, this.boundaryFriction);
if (!enableTransition) {
this._target.copy(this._targetEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.forward = function (distance, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
_v3A.setFromMatrixColumn(this._camera.matrix, 0);
_v3A.crossVectors(this._camera.up, _v3A);
_v3A.multiplyScalar(distance);
this._encloseToBoundary(this._targetEnd, _v3A, this.boundaryFriction);
if (!enableTransition) {
this._target.copy(this._targetEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.moveTo = function (x, y, z, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this._targetEnd.set(x, y, z);
if (!enableTransition) {
this._target.copy(this._targetEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.fitTo = function (box3OrObject, enableTransition, _a) {
var _b = _a === void 0 ? {} : _a, _c = _b.paddingLeft, paddingLeft = _c === void 0 ? 0 : _c, _d = _b.paddingRight, paddingRight = _d === void 0 ? 0 : _d, _e = _b.paddingBottom, paddingBottom = _e === void 0 ? 0 : _e, _f = _b.paddingTop, paddingTop = _f === void 0 ? 0 : _f;
var aabb = box3OrObject.isBox3
? _box3A.copy(box3OrObject)
: _box3A.setFromObject(box3OrObject);
var theta = roundToStep(this._sphericalEnd.theta, PI_HALF);
var phi = roundToStep(this._sphericalEnd.phi, PI_HALF);
this.rotateTo(theta, phi, enableTransition);
var normal = _v3A.setFromSpherical(this._sphericalEnd).normalize();
var rotation = _quaternionA.setFromUnitVectors(normal, _AXIS_Z);
var viewFromPolar = approxEquals(Math.abs(normal.y), 1);
if (viewFromPolar) {
rotation.multiply(_quaternionB.setFromAxisAngle(_AXIS_Y, theta));
}
var bb = _box3B.makeEmpty();
_v3B.copy(aabb.min).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.min).setX(aabb.max.x).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.min).setY(aabb.max.y).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.max).setZ(aabb.min.z).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.min).setZ(aabb.max.z).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.max).setY(aabb.min.y).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.max).setX(aabb.min.x).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
_v3B.copy(aabb.max).applyQuaternion(rotation);
bb.expandByPoint(_v3B);
rotation.setFromUnitVectors(_AXIS_Z, normal);
bb.min.x -= paddingLeft;
bb.min.y -= paddingBottom;
bb.max.x += paddingRight;
bb.max.y += paddingTop;
var bbSize = bb.getSize(_v3A);
var center = bb.getCenter(_v3B).applyQuaternion(rotation);
var isPerspectiveCamera = this._camera.isPerspectiveCamera;
var isOrthographicCamera = this._camera.isOrthographicCamera;
if (isPerspectiveCamera) {
var distance = this.getDistanceToFit(bbSize.x, bbSize.y, bbSize.z);
this.moveTo(center.x, center.y, center.z, enableTransition);
this.dollyTo(distance, enableTransition);
this.setFocalOffset(0, 0, enableTransition);
return;
}
else if (isOrthographicCamera) {
var camera = this._camera;
var width = camera.right - camera.left;
var height = camera.top - camera.bottom;
var zoom = Math.min(width / bbSize.x, height / bbSize.y);
this.moveTo(center.x, center.y, center.z, enableTransition);
this.zoomTo(zoom, enableTransition);
this.setFocalOffset(0, 0, enableTransition);
return;
}
};
CameraControls.prototype.setLookAt = function (positionX, positionY, positionZ, targetX, targetY, targetZ, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
var position = _v3A.set(positionX, positionY, positionZ);
var target = _v3B.set(targetX, targetY, targetZ);
this._targetEnd.copy(target);
this._sphericalEnd.setFromVector3(position.sub(target).applyQuaternion(this._yAxisUpSpace));
this.normalizeRotations();
if (!enableTransition) {
this._target.copy(this._targetEnd);
this._spherical.copy(this._sphericalEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.lerpLookAt = function (positionAX, positionAY, positionAZ, targetAX, targetAY, targetAZ, positionBX, positionBY, positionBZ, targetBX, targetBY, targetBZ, t, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
var positionA = _v3A.set(positionAX, positionAY, positionAZ);
var targetA = _v3B.set(targetAX, targetAY, targetAZ);
_sphericalA.setFromVector3(positionA.sub(targetA).applyQuaternion(this._yAxisUpSpace));
var targetB = _v3A.set(targetBX, targetBY, targetBZ);
this._targetEnd.copy(targetA).lerp(targetB, t);
var positionB = _v3B.set(positionBX, positionBY, positionBZ);
_sphericalB.setFromVector3(positionB.sub(targetB).applyQuaternion(this._yAxisUpSpace));
var deltaTheta = _sphericalB.theta - _sphericalA.theta;
var deltaPhi = _sphericalB.phi - _sphericalA.phi;
var deltaRadius = _sphericalB.radius - _sphericalA.radius;
this._sphericalEnd.set(_sphericalA.radius + deltaRadius * t, _sphericalA.phi + deltaPhi * t, _sphericalA.theta + deltaTheta * t);
this.normalizeRotations();
if (!enableTransition) {
this._target.copy(this._targetEnd);
this._spherical.copy(this._sphericalEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.setPosition = function (positionX, positionY, positionZ, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this.setLookAt(positionX, positionY, positionZ, this._targetEnd.x, this._targetEnd.y, this._targetEnd.z, enableTransition);
};
CameraControls.prototype.setTarget = function (targetX, targetY, targetZ, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
var pos = this.getPosition(_v3A);
this.setLookAt(pos.x, pos.y, pos.z, targetX, targetY, targetZ, enableTransition);
};
CameraControls.prototype.setFocalOffset = function (x, y, enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this._focalOffsetEnd.set(x, y, 0);
if (!enableTransition) {
this._focalOffset.copy(this._focalOffsetEnd);
}
this._needsUpdate = true;
};
CameraControls.prototype.setBoundary = function (box3) {
if (!box3) {
this._boundary.min.set(-Infinity, -Infinity, -Infinity);
this._boundary.max.set(Infinity, Infinity, Infinity);
this._needsUpdate = true;
return;
}
this._boundary.copy(box3);
this._boundary.clampPoint(this._targetEnd, this._targetEnd);
this._needsUpdate = true;
};
CameraControls.prototype.setViewport = function (viewportOrX, y, width, height) {
if (viewportOrX === null) {
this._viewport = null;
return;
}
this._viewport = this._viewport || new THREE.Vector4();
if (typeof viewportOrX === 'number') {
this._viewport.set(viewportOrX, y, width, height);
}
else {
this._viewport.copy(viewportOrX);
}
};
CameraControls.prototype.getDistanceToFit = function (width, height, depth) {
if (notSupportedInOrthographicCamera(this._camera, 'getDistanceToFit'))
return this._spherical.radius;
var camera = this._camera;
var boundingRectAspect = width / height;
var fov = camera.getEffectiveFOV() * THREE.MathUtils.DEG2RAD;
var aspect = camera.aspect;
var heightToFit = boundingRectAspect < aspect ? height : width / aspect;
return heightToFit * 0.5 / Math.tan(fov * 0.5) + depth * 0.5;
};
CameraControls.prototype.getTarget = function (out) {
var _out = !!out && out.isVector3 ? out : new THREE.Vector3();
return _out.copy(this._targetEnd);
};
CameraControls.prototype.getPosition = function (out) {
var _out = !!out && out.isVector3 ? out : new THREE.Vector3();
return _out.setFromSpherical(this._sphericalEnd).applyQuaternion(this._yAxisUpSpaceInverse).add(this._targetEnd);
};
CameraControls.prototype.normalizeRotations = function () {
this._sphericalEnd.theta = this._sphericalEnd.theta % PI_2;
if (this._sphericalEnd.theta < 0)
this._sphericalEnd.theta += PI_2;
this._spherical.theta += PI_2 * Math.round((this._sphericalEnd.theta - this._spherical.theta) / PI_2);
};
CameraControls.prototype.reset = function (enableTransition) {
if (enableTransition === void 0) { enableTransition = false; }
this.setLookAt(this._position0.x, this._position0.y, this._position0.z, this._target0.x, this._target0.y, this._target0.z, enableTransition);
this.setFocalOffset(this._focalOffset0.x, this._focalOffset0.y, enableTransition);
this.zoomTo(this._zoom0, enableTransition);
};
CameraControls.prototype.saveState = function () {
this._target0.copy(this._target);
this._position0.copy(this._camera.position);
this._zoom0 = this._zoom;
};
CameraControls.prototype.updateCameraUp = function () {
this._yAxisUpSpace.setFromUnitVectors(this._camera.up, _AXIS_Y);
this._yAxisUpSpaceInverse.copy(this._yAxisUpSpace).inverse();
};
CameraControls.prototype.update = function (delta) {
var dampingFactor = this._state === ACTION.NONE ? this.dampingFactor : this.draggingDampingFactor;
var lerpRatio = 1.0 - Math.exp(-dampingFactor * delta * FPS_60);
var deltaTheta = this._sphericalEnd.theta - this._spherical.theta;
var deltaPhi = this._sphericalEnd.phi - this._spherical.phi;
var deltaRadius = this._sphericalEnd.radius - this._spherical.radius;
var deltaTarget = _v3A.subVectors(this._targetEnd, this._target);
var deltaOffset = _v3B.subVectors(this._focalOffsetEnd, this._focalOffset);
if (!approxZero(deltaTheta) ||
!approxZero(deltaPhi) ||
!approxZero(deltaRadius) ||
!approxZero(deltaTarget.x) ||
!approxZero(deltaTarget.y) ||
!approxZero(deltaTarget.z) ||
!approxZero(deltaOffset.x) ||
!approxZero(deltaOffset.y)) {
this._spherical.set(this._spherical.radius + deltaRadius * lerpRatio, this._spherical.phi + deltaPhi * lerpRatio, this._spherical.theta + deltaTheta * lerpRatio);
this._target.add(deltaTarget.multiplyScalar(lerpRatio));
this._focalOffset.add(deltaOffset.multiplyScalar(lerpRatio));
this._needsUpdate = true;
}
else {
this._spherical.copy(this._sphericalEnd);
this._target.copy(this._targetEnd);
this._focalOffset.copy(this._focalOffsetEnd);
}
if (this._dollyControlAmount !== 0) {
if (this._camera.isPerspectiveCamera) {
var camera = this._camera;
var direction = _v3A.setFromSpherical(this._sphericalEnd).applyQuaternion(this._yAxisUpSpaceInverse).normalize().negate();
var planeX = _v3B.copy(direction).cross(camera.up).normalize();
if (planeX.lengthSq() === 0)
planeX.x = 1.0;
var planeY = _v3C.crossVectors(planeX, direction);
var worldToScreen = this._sphericalEnd.radius * Math.tan(camera.getEffectiveFOV() * THREE.MathUtils.DEG2RAD * 0.5);
var prevRadius = this._sphericalEnd.radius - this._dollyControlAmount;
var lerpRatio_1 = (prevRadius - this._sphericalEnd.radius) / this._sphericalEnd.radius;
var cursor = _v3A.copy(this._targetEnd)
.add(planeX.multiplyScalar(this._dollyControlCoord.x * worldToScreen * camera.aspect))
.add(planeY.multiplyScalar(this._dollyControlCoord.y * worldToScreen));
this._targetEnd.lerp(cursor, lerpRatio_1);
this._target.copy(this._targetEnd);
}
this._dollyControlAmount = 0;
}
var maxDistance = this._collisionTest();
this._spherical.radius = Math.min(this._spherical.radius, maxDistance);
this._spherical.makeSafe();
this._camera.position.setFromSpherical(this._spherical).applyQuaternion(this._yAxisUpSpaceInverse).add(this._target);
this._camera.lookAt(this._target);
var affectOffset = !approxZero(this._focalOffset.x) ||
!approxZero(this._focalOffset.y);
if (affectOffset) {
this._camera.updateMatrix();
_xColumn.setFromMatrixColumn(this._camera.matrix, 0);
_yColumn.setFromMatrixColumn(this._camera.matrix, 1);
_xColumn.multiplyScalar(this._focalOffset.x);
_yColumn.multiplyScalar(-this._focalOffset.y);
_v3A.copy(_xColumn).add(_yColumn);
this._camera.position.add(_v3A);
}
if (this._boundaryEnclosesCamera) {
this._encloseToBoundary(this._camera.position.copy(this._target), _v3A.setFromSpherical(this._spherical).applyQuaternion(this._yAxisUpSpaceInverse), 1.0);
}
var zoomDelta = this._zoomEnd - this._zoom;
this._zoom += zoomDelta * lerpRatio;
if (this._camera.zoom !== this._zoom) {
if (approxZero(zoomDelta))
this._zoom = this._zoomEnd;
this._camera.zoom = this._zoom;
this._camera.updateProjectionMatrix();
this._updateNearPlaneCorners();
this._needsUpdate = true;
}
var updated = this._needsUpdate;
if (updated && !this._updatedLastTime) {
this.dispatchEvent({ type: 'wake' });
this.dispatchEvent({ type: 'update' });
}
else if (updated) {
this.dispatchEvent({ type: 'update' });
}
else if (!updated && this._updatedLastTime) {
this.dispatchEvent({ type: 'sleep' });
}
this._updatedLastTime = updated;
this._needsUpdate = false;
return updated;
};
CameraControls.prototype.toJSON = function () {
return JSON.stringify({
enabled: this.enabled,
minDistance: this.minDistance,
maxDistance: infinityToMaxNumber(this.maxDistance),
minZoom: this.minZoom,
maxZoom: infinityToMaxNumber(this.maxZoom),
minPolarAngle: this.minPolarAngle,
maxPolarAngle: infinityToMaxNumber(this.maxPolarAngle),
minAzimuthAngle: infinityToMaxNumber(this.minAzimuthAngle),
maxAzimuthAngle: infinityToMaxNumber(this.maxAzimuthAngle),
dampingFactor: this.dampingFactor,
draggingDampingFactor: this.draggingDampingFactor,
dollySpeed: this.dollySpeed,
truckSpeed: this.truckSpeed,
dollyToCursor: this.dollyToCursor,
verticalDragToForward: this.verticalDragToForward,
target: this._targetEnd.toArray(),
position: _v3A.setFromSpherical(this._sphericalEnd).add(this._targetEnd).toArray(),
zoom: this._zoomEnd,