mirror of https://github.com/vladmandic/human
871 lines
21 KiB
JavaScript
871 lines
21 KiB
JavaScript
// @ts-nocheck
|
|
|
|
import { Vector2, Vector3, Spherical, MOUSE, Quaternion, EventDispatcher } from './three.js';
|
|
|
|
/**
|
|
* @author qiao / https://github.com/qiao
|
|
* @author mrdoob / http://mrdoob.com
|
|
* @author alteredq / http://alteredqualia.com/
|
|
* @author WestLangley / http://github.com/WestLangley
|
|
* @author erich666 / http://erichaines.com
|
|
*/
|
|
|
|
// 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/metaKey, or arrow keys / touch: two-finger move
|
|
|
|
const OrbitControls = function (object, domElement) {
|
|
this.object = object;
|
|
|
|
this.domElement = (domElement !== undefined) ? domElement : document;
|
|
|
|
// Set to false to disable this control
|
|
this.enabled = true;
|
|
|
|
// "target" sets the location of focus, where the object orbits around
|
|
this.target = new 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, must be a sub-interval of the interval [ - Math.PI, Math.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 = 0.25;
|
|
|
|
// 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 = false; // if true, pan in screen-space
|
|
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
|
|
|
|
// Set to false to disable use of the keys
|
|
this.enableKeys = true;
|
|
|
|
// The four arrow keys
|
|
this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
|
|
|
|
// Mouse buttons
|
|
this.mouseButtons = { LEFT: MOUSE.LEFT, MIDDLE: MOUSE.MIDDLE, RIGHT: MOUSE.RIGHT };
|
|
|
|
// for reset
|
|
this.target0 = this.target.clone();
|
|
this.position0 = this.object.position.clone();
|
|
this.zoom0 = this.object.zoom;
|
|
|
|
//
|
|
// public methods
|
|
//
|
|
|
|
this.getPolarAngle = function () {
|
|
return spherical.phi;
|
|
};
|
|
|
|
this.getAzimuthalAngle = function () {
|
|
return spherical.theta;
|
|
};
|
|
|
|
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 () {
|
|
const offset = new Vector3();
|
|
|
|
// so camera.up is the orbit axis
|
|
const quat = new Quaternion().setFromUnitVectors(object.up, new Vector3(0, 1, 0));
|
|
const quatInverse = quat.clone().invert();
|
|
|
|
const lastPosition = new Vector3();
|
|
const lastQuaternion = new Quaternion();
|
|
|
|
return function update() {
|
|
const 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());
|
|
}
|
|
|
|
spherical.theta += sphericalDelta.theta;
|
|
spherical.phi += sphericalDelta.phi;
|
|
|
|
// restrict theta to be between desired limits
|
|
spherical.theta = Math.max(scope.minAzimuthAngle, Math.min(scope.maxAzimuthAngle, 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
|
|
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);
|
|
scope.domElement.removeEventListener('mousedown', onMouseDown, false);
|
|
scope.domElement.removeEventListener('wheel', onMouseWheel, false);
|
|
|
|
scope.domElement.removeEventListener('touchstart', onTouchStart, false);
|
|
scope.domElement.removeEventListener('touchend', onTouchEnd, false);
|
|
scope.domElement.removeEventListener('touchmove', onTouchMove, false);
|
|
|
|
document.removeEventListener('mousemove', onMouseMove, false);
|
|
document.removeEventListener('mouseup', onMouseUp, false);
|
|
|
|
window.removeEventListener('keydown', onKeyDown, false);
|
|
|
|
// scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
|
|
};
|
|
|
|
//
|
|
// internals
|
|
//
|
|
|
|
var scope = this;
|
|
|
|
var changeEvent = { type: 'change' };
|
|
const startEvent = { type: 'start' };
|
|
const endEvent = { type: 'end' };
|
|
|
|
var STATE = { NONE: -1, ROTATE: 0, DOLLY: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_DOLLY_PAN: 4 };
|
|
|
|
var state = STATE.NONE;
|
|
|
|
var EPS = 0.000001;
|
|
|
|
// current position in spherical coordinates
|
|
var spherical = new Spherical();
|
|
var sphericalDelta = new Spherical();
|
|
|
|
var scale = 1;
|
|
var panOffset = new Vector3();
|
|
var zoomChanged = false;
|
|
|
|
const rotateStart = new Vector2();
|
|
const rotateEnd = new Vector2();
|
|
const rotateDelta = new Vector2();
|
|
|
|
const panStart = new Vector2();
|
|
const panEnd = new Vector2();
|
|
const panDelta = new Vector2();
|
|
|
|
const dollyStart = new Vector2();
|
|
const dollyEnd = new Vector2();
|
|
const dollyDelta = new 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;
|
|
}
|
|
|
|
const panLeft = (function () {
|
|
const v = new Vector3();
|
|
|
|
return function panLeft(distance, objectMatrix) {
|
|
v.setFromMatrixColumn(objectMatrix, 0); // get X column of objectMatrix
|
|
v.multiplyScalar(-distance);
|
|
|
|
panOffset.add(v);
|
|
};
|
|
}());
|
|
|
|
const panUp = (function () {
|
|
const v = new 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
|
|
const pan = (function () {
|
|
const offset = new Vector3();
|
|
|
|
return function pan(deltaX, deltaY) {
|
|
const element = scope.domElement === document ? scope.domElement.body : scope.domElement;
|
|
|
|
if (scope.object.isPerspectiveCamera) {
|
|
// perspective
|
|
const position = scope.object.position;
|
|
offset.copy(position).sub(scope.target);
|
|
let 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
|
|
scope.enablePan = 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 {
|
|
scope.enableZoom = 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 {
|
|
scope.enableZoom = false;
|
|
}
|
|
}
|
|
|
|
//
|
|
// event callbacks - update the object state
|
|
//
|
|
|
|
function handleMouseDownRotate(event) {
|
|
// console.log( 'handleMouseDownRotate' );
|
|
|
|
rotateStart.set(event.clientX, event.clientY);
|
|
}
|
|
|
|
function handleMouseDownDolly(event) {
|
|
// console.log( 'handleMouseDownDolly' );
|
|
|
|
dollyStart.set(event.clientX, event.clientY);
|
|
}
|
|
|
|
function handleMouseDownPan(event) {
|
|
// console.log( 'handleMouseDownPan' );
|
|
|
|
panStart.set(event.clientX, event.clientY);
|
|
}
|
|
|
|
function handleMouseMoveRotate(event) {
|
|
// console.log( 'handleMouseMoveRotate' );
|
|
|
|
rotateEnd.set(event.clientX, event.clientY);
|
|
|
|
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
|
|
|
|
const element = scope.domElement === document ? scope.domElement.body : 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) {
|
|
// console.log( 'handleMouseMoveDolly' );
|
|
|
|
dollyEnd.set(event.clientX, event.clientY);
|
|
|
|
dollyDelta.subVectors(dollyEnd, dollyStart);
|
|
|
|
if (dollyDelta.y > 0) {
|
|
dollyIn(getZoomScale());
|
|
} else if (dollyDelta.y < 0) {
|
|
dollyOut(getZoomScale());
|
|
}
|
|
|
|
dollyStart.copy(dollyEnd);
|
|
|
|
scope.update();
|
|
}
|
|
|
|
function handleMouseMovePan(event) {
|
|
// console.log( 'handleMouseMovePan' );
|
|
|
|
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) {
|
|
|
|
// console.log( 'handleMouseUp' );
|
|
|
|
}
|
|
|
|
function handleMouseWheel(event) {
|
|
// console.log( 'handleMouseWheel' );
|
|
|
|
if (event.deltaY < 0) {
|
|
dollyOut(getZoomScale());
|
|
} else if (event.deltaY > 0) {
|
|
dollyIn(getZoomScale());
|
|
}
|
|
|
|
scope.update();
|
|
}
|
|
|
|
function handleKeyDown(event) {
|
|
// console.log( 'handleKeyDown' );
|
|
|
|
switch (event.keyCode) {
|
|
case scope.keys.UP:
|
|
pan(0, scope.keyPanSpeed);
|
|
scope.update();
|
|
break;
|
|
|
|
case scope.keys.BOTTOM:
|
|
pan(0, -scope.keyPanSpeed);
|
|
scope.update();
|
|
break;
|
|
|
|
case scope.keys.LEFT:
|
|
pan(scope.keyPanSpeed, 0);
|
|
scope.update();
|
|
break;
|
|
|
|
case scope.keys.RIGHT:
|
|
pan(-scope.keyPanSpeed, 0);
|
|
scope.update();
|
|
break;
|
|
}
|
|
}
|
|
|
|
function handleTouchStartRotate(event) {
|
|
// console.log( 'handleTouchStartRotate' );
|
|
|
|
rotateStart.set(event.touches[0].pageX, event.touches[0].pageY);
|
|
}
|
|
|
|
function handleTouchStartDollyPan(event) {
|
|
// console.log( 'handleTouchStartDollyPan' );
|
|
|
|
if (scope.enableZoom) {
|
|
const dx = event.touches[0].pageX - event.touches[1].pageX;
|
|
const dy = event.touches[0].pageY - event.touches[1].pageY;
|
|
|
|
const distance = Math.sqrt(dx * dx + dy * dy);
|
|
|
|
dollyStart.set(0, distance);
|
|
}
|
|
|
|
if (scope.enablePan) {
|
|
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
|
|
const y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
|
|
|
|
panStart.set(x, y);
|
|
}
|
|
}
|
|
|
|
function handleTouchMoveRotate(event) {
|
|
// console.log( 'handleTouchMoveRotate' );
|
|
|
|
rotateEnd.set(event.touches[0].pageX, event.touches[0].pageY);
|
|
|
|
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
|
|
|
|
const element = scope.domElement === document ? scope.domElement.body : 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 handleTouchMoveDollyPan(event) {
|
|
// console.log( 'handleTouchMoveDollyPan' );
|
|
|
|
if (scope.enableZoom) {
|
|
const dx = event.touches[0].pageX - event.touches[1].pageX;
|
|
const dy = event.touches[0].pageY - event.touches[1].pageY;
|
|
|
|
const distance = Math.sqrt(dx * dx + dy * dy);
|
|
|
|
dollyEnd.set(0, distance);
|
|
|
|
dollyDelta.set(0, Math.pow(dollyEnd.y / dollyStart.y, scope.zoomSpeed));
|
|
|
|
dollyIn(dollyDelta.y);
|
|
|
|
dollyStart.copy(dollyEnd);
|
|
}
|
|
|
|
if (scope.enablePan) {
|
|
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
|
|
const 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);
|
|
}
|
|
|
|
scope.update();
|
|
}
|
|
|
|
function handleTouchEnd(event) {
|
|
|
|
// console.log( 'handleTouchEnd' );
|
|
|
|
}
|
|
|
|
//
|
|
// event handlers - FSM: listen for events and reset state
|
|
//
|
|
|
|
function onMouseDown(event) {
|
|
if (scope.enabled === false) return;
|
|
|
|
event.preventDefault();
|
|
|
|
switch (event.button) {
|
|
case scope.mouseButtons.LEFT:
|
|
|
|
if (event.ctrlKey || event.metaKey) {
|
|
if (scope.enablePan === false) return;
|
|
|
|
handleMouseDownPan(event);
|
|
|
|
state = STATE.PAN;
|
|
} else {
|
|
if (scope.enableRotate === false) return;
|
|
|
|
handleMouseDownRotate(event);
|
|
|
|
state = STATE.ROTATE;
|
|
}
|
|
|
|
break;
|
|
|
|
case scope.mouseButtons.MIDDLE:
|
|
|
|
if (scope.enableZoom === false) return;
|
|
|
|
handleMouseDownDolly(event);
|
|
|
|
state = STATE.DOLLY;
|
|
|
|
break;
|
|
|
|
case scope.mouseButtons.RIGHT:
|
|
|
|
if (scope.enablePan === false) return;
|
|
|
|
handleMouseDownPan(event);
|
|
|
|
state = STATE.PAN;
|
|
|
|
break;
|
|
}
|
|
|
|
if (state !== STATE.NONE) {
|
|
document.addEventListener('mousemove', onMouseMove, false);
|
|
document.addEventListener('mouseup', onMouseUp, 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) {
|
|
if (scope.enabled === false) return;
|
|
|
|
handleMouseUp(event);
|
|
|
|
document.removeEventListener('mousemove', onMouseMove, false);
|
|
document.removeEventListener('mouseup', onMouseUp, false);
|
|
|
|
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.enableKeys === false || scope.enablePan === false) return;
|
|
|
|
handleKeyDown(event);
|
|
}
|
|
|
|
function onTouchStart(event) {
|
|
if (scope.enabled === false) return;
|
|
|
|
event.preventDefault();
|
|
|
|
switch (event.touches.length) {
|
|
case 1: // one-fingered touch: rotate
|
|
|
|
if (scope.enableRotate === false) return;
|
|
|
|
handleTouchStartRotate(event);
|
|
|
|
state = STATE.TOUCH_ROTATE;
|
|
|
|
break;
|
|
|
|
case 2: // two-fingered touch: dolly-pan
|
|
|
|
if (scope.enableZoom === false && scope.enablePan === false) return;
|
|
|
|
handleTouchStartDollyPan(event);
|
|
|
|
state = STATE.TOUCH_DOLLY_PAN;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
state = STATE.NONE;
|
|
}
|
|
|
|
if (state !== STATE.NONE) {
|
|
scope.dispatchEvent(startEvent);
|
|
}
|
|
}
|
|
|
|
function onTouchMove(event) {
|
|
if (scope.enabled === false) return;
|
|
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
|
|
switch (event.touches.length) {
|
|
case 1: // one-fingered touch: rotate
|
|
|
|
if (scope.enableRotate === false) return;
|
|
if (state !== STATE.TOUCH_ROTATE) return; // is this needed?
|
|
|
|
handleTouchMoveRotate(event);
|
|
|
|
break;
|
|
|
|
case 2: // two-fingered touch: dolly-pan
|
|
|
|
if (scope.enableZoom === false && scope.enablePan === false) return;
|
|
if (state !== STATE.TOUCH_DOLLY_PAN) return; // is this needed?
|
|
|
|
handleTouchMoveDollyPan(event);
|
|
|
|
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);
|
|
|
|
scope.domElement.addEventListener('mousedown', onMouseDown, false);
|
|
scope.domElement.addEventListener('wheel', onMouseWheel, false);
|
|
|
|
scope.domElement.addEventListener('touchstart', onTouchStart, false);
|
|
scope.domElement.addEventListener('touchend', onTouchEnd, false);
|
|
scope.domElement.addEventListener('touchmove', onTouchMove, false);
|
|
|
|
window.addEventListener('keydown', onKeyDown, false);
|
|
|
|
// force an update at start
|
|
|
|
this.update();
|
|
};
|
|
|
|
OrbitControls.prototype = Object.create(EventDispatcher.prototype);
|
|
OrbitControls.prototype.constructor = OrbitControls;
|
|
|
|
Object.defineProperties(OrbitControls.prototype, {
|
|
|
|
center: {
|
|
|
|
get() {
|
|
return this.target;
|
|
},
|
|
|
|
},
|
|
|
|
// backward compatibility
|
|
|
|
noZoom: {
|
|
|
|
get() {
|
|
return !this.enableZoom;
|
|
},
|
|
|
|
set(value) {
|
|
this.enableZoom = !value;
|
|
},
|
|
|
|
},
|
|
|
|
noRotate: {
|
|
|
|
get() {
|
|
return !this.enableRotate;
|
|
},
|
|
|
|
set(value) {
|
|
this.enableRotate = !value;
|
|
},
|
|
|
|
},
|
|
|
|
noPan: {
|
|
|
|
get() {
|
|
return !this.enablePan;
|
|
},
|
|
|
|
set(value) {
|
|
this.enablePan = !value;
|
|
},
|
|
|
|
},
|
|
|
|
noKeys: {
|
|
|
|
get() {
|
|
return !this.enableKeys;
|
|
},
|
|
|
|
set(value) {
|
|
this.enableKeys = !value;
|
|
},
|
|
|
|
},
|
|
|
|
staticMoving: {
|
|
|
|
get() {
|
|
return !this.enableDamping;
|
|
},
|
|
|
|
set(value) {
|
|
this.enableDamping = !value;
|
|
},
|
|
|
|
},
|
|
|
|
dynamicDampingFactor: {
|
|
|
|
get() {
|
|
return this.dampingFactor;
|
|
},
|
|
|
|
set(value) {
|
|
this.dampingFactor = value;
|
|
},
|
|
|
|
},
|
|
|
|
});
|
|
|
|
export { OrbitControls };
|