// This set of controls performs orbiting, dollying (zooming), and panning.
// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
//
// Orbit - left mouse / touch: one-finger move
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
THREE.OrbitControls = function (object, domElement) {
if (domElement === undefined) console.warn('THREE.OrbitControls: The second parameter "domElement" is now mandatory.');
if (domElement === document) console.error('THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');
this.object = object;
this.domElement = domElement;
// Set to false to disable this control
this.enabled = true;
// "target" sets the location of focus, where the object orbits around
this.target = new THREE.Vector3();
// How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = Infinity;
// How far you can zoom in and out ( OrthographicCamera only )
this.minZoom = 0;
this.maxZoom = Infinity;
// How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians
// How far you can orbit horizontally, upper and lower limits.
// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )
this.minAzimuthAngle = -Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians
// Set to true to enable damping (inertia)
// If damping is enabled, you must call controls.update() in your animation loop
this.enableDamping = false;
this.dampingFactor = 0.05;
// This option actually enables dollying in and out; left as "zoom" for backwards compatibility.
// Set to false to disable zooming
this.enableZoom = true;
this.zoomSpeed = 1.0;
// Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.0;
// Set to false to disable panning
this.enablePan = true;
this.panSpeed = 1.0;
this.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// The four arrow keys
this.keys = {
LEFT: 37,
UP: 38,
RIGHT: 39,
BOTTOM: 40
};
// Mouse buttons
this.mouseButtons = {
LEFT: THREE.MOUSE.ROTATE,
MIDDLE: THREE.MOUSE.DOLLY,
RIGHT: THREE.MOUSE.PAN
};
// Touch fingers
this.touches = {
ONE: THREE.TOUCH.ROTATE,
TWO: THREE.TOUCH.DOLLY_PAN
};
// for reset
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;
// the target DOM element for key events
this._domElementKeyEvents = null;
//
// public methods
//
this.getPolarAngle = function () {
return spherical.phi;
};
this.getAzimuthalAngle = function () {
return spherical.theta;
};
this.listenToKeyEvents = function (domElement) {
domElement.addEventListener('keydown', onKeyDown, false);
this._domElementKeyEvents = domElement;
};
this.saveState = function () {
scope.target0.copy(scope.target);
scope.position0.copy(scope.object.position);
scope.zoom0 = scope.object.zoom;
};
this.reset = function () {
scope.target.copy(scope.target0);
scope.object.position.copy(scope.position0);
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
scope.dispatchEvent(changeEvent);
scope.update();
state = STATE.NONE;
};
// this method is exposed, but perhaps it would be better if we can make it private...
this.update = function () {
var offset = new THREE.Vector3();
// so camera.up is the orbit axis
var quat = new THREE.Quaternion().setFromUnitVectors(object.up, new THREE.Vector3(0, 1, 0));
var quatInverse = quat.clone().invert();
var lastPosition = new THREE.Vector3();
var lastQuaternion = new THREE.Quaternion();
var twoPI = 2 * Math.PI;
return function update() {
var position = scope.object.position;
offset.copy(position).sub(scope.target);
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion(quat);
// angle from z-axis around y-axis
spherical.setFromVector3(offset);
if (scope.autoRotate && state === STATE.NONE) {
rotateLeft(getAutoRotationAngle());
}
if (scope.enableDamping) {
spherical.theta += sphericalDelta.theta * scope.dampingFactor;
spherical.phi += sphericalDelta.phi * scope.dampingFactor;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
}
// restrict theta to be between desired limits
var min = scope.minAzimuthAngle;
var max = scope.maxAzimuthAngle;
if (isFinite(min) && isFinite(max)) {
if (min < -Math.PI) min += twoPI;
else if (min > Math.PI) min -= twoPI;
if (max < -Math.PI) max += twoPI;
else if (max > Math.PI) max -= twoPI;
if (min <= max) {
spherical.theta = Math.max(min, Math.min(max, spherical.theta));
} else {
spherical.theta = (spherical.theta > (min + max) / 2) ?
Math.max(min, spherical.theta) :
Math.min(max, spherical.theta);
}
}
// restrict phi to be between desired limits
spherical.phi = Math.max(scope.minPolarAngle, Math.min(scope.maxPolarAngle, spherical.phi));
spherical.makeSafe();
spherical.radius *= scale;
// restrict radius to be between desired limits
spherical.radius = Math.max(scope.minDistance, Math.min(scope.maxDistance, spherical.radius));
// move target to panned location
if (scope.enableDamping === true) {
scope.target.addScaledVector(panOffset, scope.dampingFactor);
} else {
scope.target.add(panOffset);
}
offset.setFromSpherical(spherical);
// rotate offset back to "camera-up-vector-is-up" space
offset.applyQuaternion(quatInverse);
position.copy(scope.target).add(offset);
scope.object.lookAt(scope.target);
if (scope.enableDamping === true) {
sphericalDelta.theta *= (1 - scope.dampingFactor);
sphericalDelta.phi *= (1 - scope.dampingFactor);
panOffset.multiplyScalar(1 - scope.dampingFactor);
} else {
sphericalDelta.set(0, 0, 0);
panOffset.set(0, 0, 0);
}
scale = 1;
// update condition is:
// min(camera displacement, camera rotation in radians)^2 > EPS
// using small-angle approximation cos(x/2) = 1 - x^2 / 8
if (zoomChanged ||
lastPosition.distanceToSquared(scope.object.position) > EPS ||
8 * (1 - lastQuaternion.dot(scope.object.quaternion)) > EPS) {
scope.dispatchEvent(changeEvent);
lastPosition.copy(scope.object.position);
lastQuaternion.copy(scope.object.quaternion);
zoomChanged = false;
return true;
}
return false;
};
}();
this.dispose = function () {
scope.domElement.removeEventListener('contextmenu', onContextMenu, false);
if (typeof scope.domElement.onpointerdown != 'undefined') {
scope.domElement.removeEventListener('pointerdown', onPointerDown, false);
} else {
scope.domElement.removeEventListener('mousedown', onPointerDown, false);
}
if (typeof scope.domElement.onpointerup != 'undefined') {
scope.domElement.ownerDocument.removeEventListener('pointerup', onPointerUp, false);
} else {
scope.domElement.ownerDocument.removeEventListener('mouseup', onPointerUp, false);
}
if (typeof scope.domElement.onpointermove != 'undefined') {
scope.domElement.ownerDocument.removeEventListener('pointermove', onPointerMove, false);
} else {
scope.domElement.ownerDocument.removeEventListener('mousemove', onPointerMove, false);
}
scope.domElement.removeEventListener('wheel', onMouseWheel, false);
if (typeof scope.domElement.ontouchstart != 'undefined') {
scope.domElement.removeEventListener('touchstart', onTouchStart, false);
} else {
scope.domElement.removeEventListener('mousedown', onTouchStart, false);
}
if (typeof scope.domElement.ontouchend != 'undefined') {
scope.domElement.removeEventListener('touchend', onTouchEnd, false);
} else {
scope.domElement.removeEventListener('mouseup', onTouchEnd, false);
}
if (typeof this.renderer.domElement.ontouchmove != 'undefined') {
scope.domElement.removeEventListener('touchmove', onTouchMove, false);
} else {
scope.domElement.removeEventListener('mousemove', onTouchMove, false);
}
if (scope._domElementKeyEvents !== null) {
scope._domElementKeyEvents.removeEventListener('keydown', onKeyDown, false);
}
//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
};
//
// internals
//
var scope = this;
var changeEvent = {
type: 'change'
};
var startEvent = {
type: 'start'
};
var endEvent = {
type: 'end'
};
var STATE = {
NONE: -1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6
};
var state = STATE.NONE;
var EPS = 0.000001;
// current position in spherical coordinates
var spherical = new THREE.Spherical();
var sphericalDelta = new THREE.Spherical();
var scale = 1;
var panOffset = new THREE.Vector3();
var zoomChanged = false;
var rotateStart = new THREE.Vector2();
var rotateEnd = new THREE.Vector2();
var rotateDelta = new THREE.Vector2();
var panStart = new THREE.Vector2();
var panEnd = new THREE.Vector2();
var panDelta = new THREE.Vector2();
var dollyStart = new THREE.Vector2();
var dollyEnd = new THREE.Vector2();
var dollyDelta = new THREE.Vector2();
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return Math.pow(0.95, scope.zoomSpeed);
}
function rotateLeft(angle) {
sphericalDelta.theta -= angle;
}
function rotateUp(angle) {
sphericalDelta.phi -= angle;
}
var panLeft = function () {
var v = new THREE.Vector3();
return function panLeft(distance, objectMatrix) {
v.setFromMatrixColumn(objectMatrix, 0); // get X column of objectMatrix
v.multiplyScalar(-distance);
panOffset.add(v);
};
}();
var panUp = function () {
var v = new THREE.Vector3();
return function panUp(distance, objectMatrix) {
if (scope.screenSpacePanning === true) {
v.setFromMatrixColumn(objectMatrix, 1);
} else {
v.setFromMatrixColumn(objectMatrix, 0);
v.crossVectors(scope.object.up, v);
}
v.multiplyScalar(distance);
panOffset.add(v);
};
}();
// deltaX and deltaY are in pixels; right and down are positive
var pan = function () {
var offset = new THREE.Vector3();
return function pan(deltaX, deltaY) {
var element = scope.domElement;
if (scope.object.isPerspectiveCamera) {
// perspective
var position = scope.object.position;
offset.copy(position).sub(scope.target);
var targetDistance = offset.length();
// half of the fov is center to top of screen
targetDistance *= Math.tan((scope.object.fov / 2) * Math.PI / 180.0);
// we use only clientHeight here so aspect ratio does not distort speed
panLeft(2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix);
panUp(2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix);
} else if (scope.object.isOrthographicCamera) {
// orthographic
panLeft(deltaX * (scope.object.right - scope.object.left) / scope.object.zoom / element.clientWidth, scope.object.matrix);
panUp(deltaY * (scope.object.top - scope.object.bottom) / scope.object.zoom / element.clientHeight, scope.object.matrix);
} else {
// camera neither orthographic nor perspective
console.warn('WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.');
scope.enablePan = false;
}
};
}();
function dollyOut(dollyScale) {
if (scope.object.isPerspectiveCamera) {
scale /= dollyScale;
} else if (scope.object.isOrthographicCamera) {
scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom * dollyScale));
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');
scope.enableZoom = false;
}
}
function dollyIn(dollyScale) {
if (scope.object.isPerspectiveCamera) {
scale *= dollyScale;
} else if (scope.object.isOrthographicCamera) {
scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom / dollyScale));
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');
scope.enableZoom = false;
}
}
//
// event callbacks - update the object state
//
function handleMouseDownRotate(event) {
rotateStart.set(event.clientX, event.clientY);
}
function handleMouseDownDolly(event) {
dollyStart.set(event.clientX, event.clientY);
}
function handleMouseDownPan(event) {
panStart.set(event.clientX, event.clientY);
}
function handleMouseMoveRotate(event) {
rotateEnd.set(event.clientX, event.clientY);
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
var element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight); // yes, height
rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight);
rotateStart.copy(rotateEnd);
scope.update();
}
function handleMouseMoveDolly(event) {
dollyEnd.set(event.clientX, event.clientY);
dollyDelta.subVectors(dollyEnd, dollyStart);
if (dollyDelta.y > 0) {
dollyOut(getZoomScale());
} else if (dollyDelta.y < 0) {
dollyIn(getZoomScale());
}
dollyStart.copy(dollyEnd);
scope.update();
}
function handleMouseMovePan(event) {
panEnd.set(event.clientX, event.clientY);
panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed);
pan(panDelta.x, panDelta.y);
panStart.copy(panEnd);
scope.update();
}
function handleMouseUp( /*event*/ ) {
// no-op
}
function handleMouseWheel(event) {
if (event.deltaY < 0) {
dollyIn(getZoomScale());
} else if (event.deltaY > 0) {
dollyOut(getZoomScale());
}
scope.update();
}
function handleKeyDown(event) {
var needsUpdate = false;
switch (event.keyCode) {
case scope.keys.UP:
pan(0, scope.keyPanSpeed);
needsUpdate = true;
break;
case scope.keys.BOTTOM:
pan(0, -scope.keyPanSpeed);
needsUpdate = true;
break;
case scope.keys.LEFT:
pan(scope.keyPanSpeed, 0);
needsUpdate = true;
break;
case scope.keys.RIGHT:
pan(-scope.keyPanSpeed, 0);
needsUpdate = true;
break;
}
if (needsUpdate) {
// prevent the browser from scrolling on cursor keys
event.preventDefault();
scope.update();
}
}
function handleTouchStartRotate(event) {
if (event.touches.length == 1) {
rotateStart.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
rotateStart.set(x, y);
}
}
function handleTouchStartPan(event) {
if (event.touches.length == 1) {
panStart.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
panStart.set(x, y);
}
}
function handleTouchStartDolly(event) {
var dx = event.touches[0].pageX - event.touches[1].pageX;
var dy = event.touches[0].pageY - event.touches[1].pageY;
var distance = Math.sqrt(dx * dx + dy * dy);
dollyStart.set(0, distance);
}
function handleTouchStartDollyPan(event) {
if (scope.enableZoom) handleTouchStartDolly(event);
if (scope.enablePan) handleTouchStartPan(event);
}
function handleTouchStartDollyRotate(event) {
if (scope.enableZoom) handleTouchStartDolly(event);
if (scope.enableRotate) handleTouchStartRotate(event);
}
function handleTouchMoveRotate(event) {
if (event.touches.length == 1) {
rotateEnd.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
rotateEnd.set(x, y);
}
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
var element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight); // yes, height
rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight);
rotateStart.copy(rotateEnd);
}
function handleTouchMovePan(event) {
if (event.touches.length == 1) {
panEnd.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
panEnd.set(x, y);
}
panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed);
pan(panDelta.x, panDelta.y);
panStart.copy(panEnd);
}
function handleTouchMoveDolly(event) {
var dx = event.touches[0].pageX - event.touches[1].pageX;
var dy = event.touches[0].pageY - event.touches[1].pageY;
var distance = Math.sqrt(dx * dx + dy * dy);
dollyEnd.set(0, distance);
dollyDelta.set(0, Math.pow(dollyEnd.y / dollyStart.y, scope.zoomSpeed));
dollyOut(dollyDelta.y);
dollyStart.copy(dollyEnd);
}
function handleTouchMoveDollyPan(event) {
if (scope.enableZoom) handleTouchMoveDolly(event);
if (scope.enablePan) handleTouchMovePan(event);
}
function handleTouchMoveDollyRotate(event) {
if (scope.enableZoom) handleTouchMoveDolly(event);
if (scope.enableRotate) handleTouchMoveRotate(event);
}
function handleTouchEnd( /*event*/ ) {
// no-op
}
//
// event handlers - FSM: listen for events and reset state
//
function onPointerDown(event) {
if (scope.enabled === false) return;
if (event.pointerType) {
switch (event.pointerType) {
case 'mouse':
case 'pen':
onMouseDown(event);
break;
// TODO touch
}
} else {
onMouseDown(event);
}
}
function onPointerMove(event) {
if (scope.enabled === false) return;
if (event.pointerType) {
switch (event.pointerType) {
case 'mouse':
case 'pen':
onMouseMove(event);
break;
// TODO touch
}
} else {
onMouseMove(event);
}
}
function onPointerUp(event) {
if (event.pointerType) {
switch (event.pointerType) {
case 'mouse':
case 'pen':
onMouseUp(event);
break;
// TODO touch
}
} else {
onMouseUp(event);
}
}
function onMouseDown(event) {
// Prevent the browser from scrolling.
event.preventDefault();
// Manually set the focus since calling preventDefault above
// prevents the browser from setting it automatically.
scope.domElement.focus ? scope.domElement.focus() : window.focus();
var mouseAction;
switch (event.button) {
case 0:
mouseAction = scope.mouseButtons.LEFT;
break;
case 1:
mouseAction = scope.mouseButtons.MIDDLE;
break;
case 2:
mouseAction = scope.mouseButtons.RIGHT;
break;
default:
mouseAction = -1;
}
switch (mouseAction) {
case THREE.MOUSE.DOLLY:
if (scope.enableZoom === false) return;
handleMouseDownDolly(event);
state = STATE.DOLLY;
break;
case THREE.MOUSE.ROTATE:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
if (scope.enablePan === false) return;
handleMouseDownPan(event);
state = STATE.PAN;
} else {
if (scope.enableRotate === false) return;
handleMouseDownRotate(event);
state = STATE.ROTATE;
}
break;
case THREE.MOUSE.PAN:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
if (scope.enableRotate === false) return;
handleMouseDownRotate(event);
state = STATE.ROTATE;
} else {
if (scope.enablePan === false) return;
handleMouseDownPan(event);
state = STATE.PAN;
}
break;
default:
state = STATE.NONE;
}
if (state !== STATE.NONE) {
if (typeof scope.domElement.onpointerup != 'undefined') {
scope.domElement.ownerDocument.addEventListener('pointerup', onPointerUp, false);
} else {
scope.domElement.addEventListener('mouseup', onPointerUp, false);
}
if (typeof scope.domElement.onpointermove != 'undefined') {
scope.domElement.ownerDocument.addEventListener('pointermove', onPointerMove, false);
} else {
scope.domElement.addEventListener('mousemove', onPointerMove, false);
}
scope.dispatchEvent(startEvent);
}
}
function onMouseMove(event) {
if (scope.enabled === false) return;
event.preventDefault();
switch (state) {
case STATE.ROTATE:
if (scope.enableRotate === false) return;
handleMouseMoveRotate(event);
break;
case STATE.DOLLY:
if (scope.enableZoom === false) return;
handleMouseMoveDolly(event);
break;
case STATE.PAN:
if (scope.enablePan === false) return;
handleMouseMovePan(event);
break;
}
}
function onMouseUp(event) {
scope.domElement.ownerDocument.removeEventListener('pointermove', onPointerMove, false);
scope.domElement.ownerDocument.removeEventListener('pointerup', onPointerUp, false);
if (scope.enabled === false) return;
handleMouseUp(event);
scope.dispatchEvent(endEvent);
state = STATE.NONE;
}
function onMouseWheel(event) {
if (scope.enabled === false || scope.enableZoom === false || (state !== STATE.NONE && state !== STATE.ROTATE)) return;
event.preventDefault();
event.stopPropagation();
scope.dispatchEvent(startEvent);
handleMouseWheel(event);
scope.dispatchEvent(endEvent);
}
function onKeyDown(event) {
if (scope.enabled === false || scope.enablePan === false) return;
handleKeyDown(event);
}
function onTouchStart(event) {
if (scope.enabled === false) return;
event.preventDefault(); // prevent scrolling
if(event.touches == null) return;
switch (event.touches.length) {
case 1:
switch (scope.touches.ONE) {
case THREE.TOUCH.ROTATE:
if (scope.enableRotate === false) return;
handleTouchStartRotate(event);
state = STATE.TOUCH_ROTATE;
break;
case THREE.TOUCH.PAN:
if (scope.enablePan === false) return;
handleTouchStartPan(event);
state = STATE.TOUCH_PAN;
break;
default:
state = STATE.NONE;
}
break;
case 2:
switch (scope.touches.TWO) {
case THREE.TOUCH.DOLLY_PAN:
if (scope.enableZoom === false && scope.enablePan === false) return;
handleTouchStartDollyPan(event);
state = STATE.TOUCH_DOLLY_PAN;
break;
case THREE.TOUCH.DOLLY_ROTATE:
if (scope.enableZoom === false && scope.enableRotate === false) return;
handleTouchStartDollyRotate(event);
state = STATE.TOUCH_DOLLY_ROTATE;
break;
default:
state = STATE.NONE;
}
break;
default:
state = STATE.NONE;
}
if (state !== STATE.NONE) {
scope.dispatchEvent(startEvent);
}
}
function onTouchMove(event) {
if (scope.enabled === false) return;
event.preventDefault(); // prevent scrolling
event.stopPropagation();
switch (state) {
case STATE.TOUCH_ROTATE:
if (scope.enableRotate === false) return;
handleTouchMoveRotate(event);
scope.update();
break;
case STATE.TOUCH_PAN:
if (scope.enablePan === false) return;
handleTouchMovePan(event);
scope.update();
break;
case STATE.TOUCH_DOLLY_PAN:
if (scope.enableZoom === false && scope.enablePan === false) return;
handleTouchMoveDollyPan(event);
scope.update();
break;
case STATE.TOUCH_DOLLY_ROTATE:
if (scope.enableZoom === false && scope.enableRotate === false) return;
handleTouchMoveDollyRotate(event);
scope.update();
break;
default:
state = STATE.NONE;
}
}
function onTouchEnd(event) {
if (scope.enabled === false) return;
handleTouchEnd(event);
scope.dispatchEvent(endEvent);
state = STATE.NONE;
}
function onContextMenu(event) {
if (scope.enabled === false) return;
event.preventDefault();
}
//
scope.domElement.addEventListener('contextmenu', onContextMenu, false);
if (typeof scope.domElement.onpointerdown != 'undefined') {
scope.domElement.addEventListener('pointerdown', onPointerDown, false);
} else {
scope.domElement.addEventListener('mousedown', onPointerDown, false);
}
scope.domElement.addEventListener('wheel', onMouseWheel, false);
if (typeof scope.domElement.ontouchstart != 'undefined') {
scope.domElement.addEventListener('touchstart', onTouchStart, false);
} else {
scope.domElement.addEventListener('mousedown', onTouchStart, false);
}
if (typeof scope.domElement.ontouchend != 'undefined') {
scope.domElement.addEventListener('touchend', onTouchEnd, false);
} else {
// scope.domElement.addEventListener('mouseup', onTouchEnd, false);
}
if (typeof scope.domElement.ontouchmove != 'undefined') {
scope.domElement.addEventListener('touchmove', onTouchMove, false);
} else {
// scope.domElement.addEventListener('mousemove', onTouchMove, false);
}
// scope.domElement.addEventListener( 'touchstart', onTouchStart, false );
// scope.domElement.addEventListener( 'touchend', onTouchEnd, false );
// scope.domElement.addEventListener( 'touchmove', onTouchMove, false );
// force an update at start
this.update();
};
THREE.OrbitControls.prototype = Object.create(THREE.EventDispatcher.prototype);
THREE.OrbitControls.prototype.constructor = THREE.OrbitControls;
// This set of controls performs orbiting, dollying (zooming), and panning.
// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
// This is very similar to OrbitControls, another set of touch behavior
//
// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - left mouse, or arrow keys / touch: one-finger move
THREE.MapControls = function (object, domElement) {
THREE.OrbitControls.call(this, object, domElement);
this.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up
this.mouseButtons.LEFT = THREE.MOUSE.PAN;
this.mouseButtons.RIGHT = THREE.MOUSE.ROTATE;
this.touches.ONE = THREE.TOUCH.PAN;
this.touches.TWO = THREE.TOUCH.DOLLY_ROTATE;
};
THREE.MapControls.prototype = Object.create(THREE.EventDispatcher.prototype);
THREE.MapControls.prototype.constructor = THREE.MapControls;