@renderlayer/controls
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@renderlayer/controls
808 lines (804 loc) • 28.2 kB
JavaScript
import { EventDispatcher } from '@renderlayer/core';
import { clamp, Ray, Plane, Vector3, Quaternion, Vector2, DEG2RAD } from '@renderlayer/math';
class Spherical {
constructor(radius = 1, phi = 0, theta = 0) {
this.radius = radius;
this.phi = phi;
this.theta = theta;
return this;
}
set(radius, phi, theta) {
this.radius = radius;
this.phi = phi;
this.theta = theta;
return this;
}
copy(other) {
this.radius = other.radius;
this.phi = other.phi;
this.theta = other.theta;
return this;
}
// restrict phi to be between EPS and PI-EPS
makeSafe() {
const EPS = 1e-6;
this.phi = Math.max(EPS, Math.min(Math.PI - EPS, this.phi));
return this;
}
setFromVector3(v) {
return this.setFromCartesianCoords(v.x, v.y, v.z);
}
setFromCartesianCoords(x, y, z) {
this.radius = Math.sqrt(x * x + y * y + z * z);
if (this.radius === 0) {
this.theta = 0;
this.phi = 0;
} else {
this.theta = Math.atan2(x, z);
this.phi = Math.acos(clamp(y / this.radius, -1, 1));
}
return this;
}
/** @returns {this} */
clone() {
return new this.constructor().copy(this);
}
}
const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };
const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };
const _changeEvent = { type: "change" };
const _startEvent = { type: "start" };
const _endEvent = { type: "end" };
const _ray = new Ray();
const _plane = new Plane();
const TILT_LIMIT = Math.cos(70 * DEG2RAD);
class OrbitControls extends EventDispatcher {
constructor(object, domElement) {
super();
this.object = object;
this.domElement = domElement;
this.domElement.style.touchAction = "none";
this.enabled = true;
this.target = new Vector3();
this.minDistance = 0;
this.maxDistance = Infinity;
this.minZoom = 0;
this.maxZoom = Infinity;
this.minPolarAngle = 0;
this.maxPolarAngle = Math.PI;
this.minAzimuthAngle = -Infinity;
this.maxAzimuthAngle = Infinity;
this.enableDamping = false;
this.dampingFactor = 0.05;
this.enableZoom = true;
this.zoomSpeed = 1;
this.enableRotate = true;
this.rotateSpeed = 1;
this.enablePan = true;
this.panSpeed = 1;
this.screenSpacePanning = true;
this.keyPanSpeed = 7;
this.zoomToCursor = false;
this.autoRotate = false;
this.autoRotateSpeed = 2;
this.keys = { LEFT: "ArrowLeft", UP: "ArrowUp", RIGHT: "ArrowRight", BOTTOM: "ArrowDown" };
this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };
this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;
this._domElementKeyEvents = null;
this.getPolarAngle = function() {
return spherical.phi;
};
this.getAzimuthalAngle = function() {
return spherical.theta;
};
this.getDistance = function() {
return this.object.position.distanceTo(this.target);
};
this.listenToKeyEvents = function(domElement2) {
domElement2.addEventListener("keydown", onKeyDown);
this._domElementKeyEvents = domElement2;
};
this.stopListenToKeyEvents = function() {
if (this._domElementKeyEvents) {
this._domElementKeyEvents.removeEventListener("keydown", onKeyDown);
this._domElementKeyEvents = null;
}
};
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.update = function() {
const offset = new Vector3();
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();
const lastTargetPosition = new Vector3();
const twoPI = 2 * Math.PI;
return function update(deltaTime = null) {
const position = scope.object.position;
offset.copy(position).sub(scope.target);
offset.applyQuaternion(quat);
spherical.setFromVector3(offset);
if (scope.autoRotate && state === STATE.NONE) {
rotateLeft(getAutoRotationAngle(deltaTime));
}
if (scope.enableDamping) {
spherical.theta += sphericalDelta.theta * scope.dampingFactor;
spherical.phi += sphericalDelta.phi * scope.dampingFactor;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
}
let min = scope.minAzimuthAngle;
let 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);
}
}
spherical.phi = Math.max(scope.minPolarAngle, Math.min(scope.maxPolarAngle, spherical.phi));
spherical.makeSafe();
if (scope.enableDamping === true) {
scope.target.addScaledVector(panOffset, scope.dampingFactor);
} else {
scope.target.add(panOffset);
}
if (scope.zoomToCursor && performCursorZoom || scope.object.isOrthographicCamera) {
spherical.radius = clampDistance(spherical.radius);
} else {
spherical.radius = clampDistance(spherical.radius * scale);
}
offset.setFromSpherical(spherical);
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);
}
let zoomChanged = false;
if (scope.zoomToCursor && performCursorZoom) {
let newRadius = null;
if (scope.object.isPerspectiveCamera) {
const prevRadius = offset.length();
newRadius = clampDistance(prevRadius * scale);
const radiusDelta = prevRadius - newRadius;
scope.object.position.addScaledVector(dollyDirection, radiusDelta);
scope.object.updateMatrixWorld();
} else if (scope.object.isOrthographicCamera) {
const mouseBefore = new Vector3(mouse.x, mouse.y, 0);
mouseBefore.unproject(scope.object);
scope.object.zoom = Math.max(
scope.minZoom,
Math.min(scope.maxZoom, scope.object.zoom / scale)
);
scope.object.updateProjectionMatrix();
zoomChanged = true;
const mouseAfter = new Vector3(mouse.x, mouse.y, 0);
mouseAfter.unproject(scope.object);
scope.object.position.sub(mouseAfter).add(mouseBefore);
scope.object.updateMatrixWorld();
newRadius = offset.length();
} else {
console.warn(
"WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."
);
scope.zoomToCursor = false;
}
if (newRadius !== null) {
if (this.screenSpacePanning) {
scope.target.set(0, 0, -1).transformDirection(scope.object.matrix).multiplyScalar(newRadius).add(scope.object.position);
} else {
_ray.origin.copy(scope.object.position);
_ray.direction.set(0, 0, -1).transformDirection(scope.object.matrix);
if (Math.abs(scope.object.up.dot(_ray.direction)) < TILT_LIMIT) {
object.lookAt(scope.target);
} else {
_plane.setFromNormalAndCoplanarPoint(scope.object.up, scope.target);
_ray.intersectPlane(_plane, scope.target);
}
}
}
} else if (scope.object.isOrthographicCamera) {
scope.object.zoom = Math.max(
scope.minZoom,
Math.min(scope.maxZoom, scope.object.zoom / scale)
);
scope.object.updateProjectionMatrix();
zoomChanged = true;
}
scale = 1;
performCursorZoom = false;
if (zoomChanged || lastPosition.distanceToSquared(scope.object.position) > EPS || 8 * (1 - lastQuaternion.dot(scope.object.quaternion)) > EPS || lastTargetPosition.distanceToSquared(scope.target) > 0) {
scope.dispatchEvent(_changeEvent);
lastPosition.copy(scope.object.position);
lastQuaternion.copy(scope.object.quaternion);
lastTargetPosition.copy(scope.target);
zoomChanged = false;
return true;
}
return false;
};
}();
this.dispose = function() {
scope.domElement.removeEventListener("contextmenu", onContextMenu);
scope.domElement.removeEventListener("pointerdown", onPointerDown);
scope.domElement.removeEventListener("pointercancel", onPointerUp);
scope.domElement.removeEventListener("wheel", onMouseWheel);
scope.domElement.removeEventListener("pointermove", onPointerMove);
scope.domElement.removeEventListener("pointerup", onPointerUp);
if (scope._domElementKeyEvents !== null) {
scope._domElementKeyEvents.removeEventListener("keydown", onKeyDown);
scope._domElementKeyEvents = null;
}
};
const scope = this;
const STATE = {
NONE: -1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6
};
let state = STATE.NONE;
const EPS = 1e-6;
const spherical = new Spherical();
const sphericalDelta = new Spherical();
let scale = 1;
const panOffset = new Vector3();
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();
const dollyDirection = new Vector3();
const mouse = new Vector2();
let performCursorZoom = false;
const pointers = [];
const pointerPositions = {};
function getAutoRotationAngle(deltaTime) {
if (deltaTime !== null) {
return 2 * Math.PI / 60 * scope.autoRotateSpeed * deltaTime;
} else {
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 panLeft2(distance, objectMatrix) {
v.setFromMatrixColumn(objectMatrix, 0);
v.multiplyScalar(-distance);
panOffset.add(v);
};
}();
const panUp = function() {
const v = new Vector3();
return function panUp2(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);
};
}();
const pan = function() {
const offset = new Vector3();
return function pan2(deltaX, deltaY) {
const element = scope.domElement;
if (scope.object.isPerspectiveCamera) {
const position = scope.object.position;
offset.copy(position).sub(scope.target);
let targetDistance = offset.length();
targetDistance *= Math.tan(scope.object.fov / 2 * Math.PI / 180);
panLeft(2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix);
panUp(2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix);
} else if (scope.object.isOrthographicCamera) {
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 {
console.warn(
"WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."
);
scope.enablePan = false;
}
};
}();
function dollyOut(dollyScale) {
if (scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera) {
scale /= dollyScale;
} else {
console.warn(
"WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."
);
scope.enableZoom = false;
}
}
function dollyIn(dollyScale) {
if (scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera) {
scale *= dollyScale;
} else {
console.warn(
"WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."
);
scope.enableZoom = false;
}
}
function updateMouseParameters(event) {
if (!scope.zoomToCursor) {
return;
}
performCursorZoom = true;
const rect = scope.domElement.getBoundingClientRect();
const x = event.clientX - rect.left;
const y = event.clientY - rect.top;
const w = rect.width;
const h = rect.height;
mouse.x = x / w * 2 - 1;
mouse.y = -(y / h) * 2 + 1;
dollyDirection.set(mouse.x, mouse.y, 1).unproject(scope.object).sub(scope.object.position).normalize();
}
function clampDistance(dist) {
return Math.max(scope.minDistance, Math.min(scope.maxDistance, dist));
}
function handleMouseDownRotate(event) {
rotateStart.set(event.clientX, event.clientY);
}
function handleMouseDownDolly(event) {
updateMouseParameters(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);
const element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight);
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 handleMouseWheel(event) {
updateMouseParameters(event);
if (event.deltaY < 0) {
dollyIn(getZoomScale());
} else if (event.deltaY > 0) {
dollyOut(getZoomScale());
}
scope.update();
}
function handleKeyDown(event) {
let needsUpdate = false;
switch (event.code) {
case scope.keys.UP:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
rotateUp(2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight);
} else {
pan(0, scope.keyPanSpeed);
}
needsUpdate = true;
break;
case scope.keys.BOTTOM:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
rotateUp(-2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight);
} else {
pan(0, -scope.keyPanSpeed);
}
needsUpdate = true;
break;
case scope.keys.LEFT:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
rotateLeft(2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight);
} else {
pan(scope.keyPanSpeed, 0);
}
needsUpdate = true;
break;
case scope.keys.RIGHT:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
rotateLeft(-2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight);
} else {
pan(-scope.keyPanSpeed, 0);
}
needsUpdate = true;
break;
}
if (needsUpdate) {
event.preventDefault();
scope.update();
}
}
function handleTouchStartRotate() {
if (pointers.length === 1) {
rotateStart.set(pointers[0].pageX, pointers[0].pageY);
} else {
const x = 0.5 * (pointers[0].pageX + pointers[1].pageX);
const y = 0.5 * (pointers[0].pageY + pointers[1].pageY);
rotateStart.set(x, y);
}
}
function handleTouchStartPan() {
if (pointers.length === 1) {
panStart.set(pointers[0].pageX, pointers[0].pageY);
} else {
const x = 0.5 * (pointers[0].pageX + pointers[1].pageX);
const y = 0.5 * (pointers[0].pageY + pointers[1].pageY);
panStart.set(x, y);
}
}
function handleTouchStartDolly() {
const dx = pointers[0].pageX - pointers[1].pageX;
const dy = pointers[0].pageY - pointers[1].pageY;
const distance = Math.sqrt(dx * dx + dy * dy);
dollyStart.set(0, distance);
}
function handleTouchStartDollyPan() {
if (scope.enableZoom)
handleTouchStartDolly();
if (scope.enablePan)
handleTouchStartPan();
}
function handleTouchStartDollyRotate() {
if (scope.enableZoom)
handleTouchStartDolly();
if (scope.enableRotate)
handleTouchStartRotate();
}
function handleTouchMoveRotate(event) {
if (pointers.length === 1) {
rotateEnd.set(event.pageX, event.pageY);
} else {
const position = getSecondPointerPosition(event);
const x = 0.5 * (event.pageX + position.x);
const y = 0.5 * (event.pageY + position.y);
rotateEnd.set(x, y);
}
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
const element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight);
rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight);
rotateStart.copy(rotateEnd);
}
function handleTouchMovePan(event) {
if (pointers.length === 1) {
panEnd.set(event.pageX, event.pageY);
} else {
const position = getSecondPointerPosition(event);
const x = 0.5 * (event.pageX + position.x);
const y = 0.5 * (event.pageY + position.y);
panEnd.set(x, y);
}
panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed);
pan(panDelta.x, panDelta.y);
panStart.copy(panEnd);
}
function handleTouchMoveDolly(event) {
const position = getSecondPointerPosition(event);
const dx = event.pageX - position.x;
const dy = event.pageY - position.y;
const 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 onPointerDown(event) {
if (scope.enabled === false)
return;
if (pointers.length === 0) {
scope.domElement.setPointerCapture(event.pointerId);
scope.domElement.addEventListener("pointermove", onPointerMove);
scope.domElement.addEventListener("pointerup", onPointerUp);
}
addPointer(event);
if (event.pointerType === "touch") {
onTouchStart(event);
} else {
onMouseDown(event);
}
}
function onPointerMove(event) {
if (scope.enabled === false)
return;
if (event.pointerType === "touch") {
onTouchMove(event);
} else {
onMouseMove(event);
}
}
function onPointerUp(event) {
removePointer(event);
if (pointers.length === 0) {
scope.domElement.releasePointerCapture(event.pointerId);
scope.domElement.removeEventListener("pointermove", onPointerMove);
scope.domElement.removeEventListener("pointerup", onPointerUp);
}
scope.dispatchEvent(_endEvent);
state = STATE.NONE;
}
function onMouseDown(event) {
let 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 MOUSE.DOLLY:
if (scope.enableZoom === false)
return;
handleMouseDownDolly(event);
state = STATE.DOLLY;
break;
case 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 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) {
scope.dispatchEvent(_startEvent);
}
}
function onMouseMove(event) {
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 onMouseWheel(event) {
if (scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE)
return;
event.preventDefault();
scope.dispatchEvent(_startEvent);
handleMouseWheel(event);
scope.dispatchEvent(_endEvent);
}
function onKeyDown(event) {
if (scope.enabled === false || scope.enablePan === false)
return;
handleKeyDown(event);
}
function onTouchStart(event) {
trackPointer(event);
switch (pointers.length) {
case 1:
switch (scope.touches.ONE) {
case TOUCH.ROTATE:
if (scope.enableRotate === false)
return;
handleTouchStartRotate();
state = STATE.TOUCH_ROTATE;
break;
case TOUCH.PAN:
if (scope.enablePan === false)
return;
handleTouchStartPan();
state = STATE.TOUCH_PAN;
break;
default:
state = STATE.NONE;
}
break;
case 2:
switch (scope.touches.TWO) {
case TOUCH.DOLLY_PAN:
if (scope.enableZoom === false && scope.enablePan === false)
return;
handleTouchStartDollyPan();
state = STATE.TOUCH_DOLLY_PAN;
break;
case TOUCH.DOLLY_ROTATE:
if (scope.enableZoom === false && scope.enableRotate === false)
return;
handleTouchStartDollyRotate();
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) {
trackPointer(event);
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 onContextMenu(event) {
if (scope.enabled === false)
return;
event.preventDefault();
}
function addPointer(event) {
pointers.push(event);
}
function removePointer(event) {
delete pointerPositions[event.pointerId];
for (let i = 0; i < pointers.length; i++) {
if (pointers[i].pointerId === event.pointerId) {
pointers.splice(i, 1);
return;
}
}
}
function trackPointer(event) {
let position = pointerPositions[event.pointerId];
if (position === void 0) {
position = new Vector2();
pointerPositions[event.pointerId] = position;
}
position.set(event.pageX, event.pageY);
}
function getSecondPointerPosition(event) {
const pointer = event.pointerId === pointers[0].pointerId ? pointers[1] : pointers[0];
return pointerPositions[pointer.pointerId];
}
scope.domElement.addEventListener("contextmenu", onContextMenu);
scope.domElement.addEventListener("pointerdown", onPointerDown);
scope.domElement.addEventListener("pointercancel", onPointerUp);
scope.domElement.addEventListener("wheel", onMouseWheel, { passive: false });
this.update();
}
}
export { MOUSE, OrbitControls, Spherical, TOUCH };