import * as THREE from 'three';
import * as React from 'react';
import { DefaultEventPriority, ContinuousEventPriority, DiscreteEventPriority, ConcurrentRoot } from 'react-reconciler/constants';
import create from 'zustand';
import { suspend, preload, clear } from 'suspend-react';
import { jsx, Fragment } from 'react/jsx-runtime';
import Reconciler from 'react-reconciler';
import { unstable_scheduleCallback, unstable_IdlePriority } from 'scheduler';
var threeTypes = /*#__PURE__*/Object.freeze({
__proto__: null
});
const catalogue = {};
const extend = objects => void Object.assign(catalogue, objects);
function createRenderer(_roots, _getEventPriority) {
function createInstance(type, {
args = [],
attach,
...props
}, root) {
let name = `${type[0].toUpperCase()}${type.slice(1)}`;
let instance;
if (type === 'primitive') {
if (props.object === undefined) throw new Error("R3F: Primitives without 'object' are invalid!");
const object = props.object;
instance = prepare(object, {
type,
root,
attach,
primitive: true
});
} else {
const target = catalogue[name];
if (!target) {
throw new Error(`R3F: ${name} is not part of the THREE namespace! Did you forget to extend? See: https://docs.pmnd.rs/react-three-fiber/api/objects#using-3rd-party-objects-declaratively`);
}
// Throw if an object or literal was passed for args
if (!Array.isArray(args)) throw new Error('R3F: The args prop must be an array!');
// Instanciate new object, link it to the root
// Append memoized props with args so it's not forgotten
instance = prepare(new target(...args), {
type,
root,
attach,
// Save args in case we need to reconstruct later for HMR
memoizedProps: {
args
}
});
}
// Auto-attach geometries and materials
if (instance.__r3f.attach === undefined) {
if (instance.isBufferGeometry) instance.__r3f.attach = 'geometry';else if (instance.isMaterial) instance.__r3f.attach = 'material';
}
// It should NOT call onUpdate on object instanciation, because it hasn't been added to the
// view yet. If the callback relies on references for instance, they won't be ready yet, this is
// why it passes "true" here
// There is no reason to apply props to injects
if (name !== 'inject') applyProps$1(instance, props);
return instance;
}
function appendChild(parentInstance, child) {
let added = false;
if (child) {
var _child$__r3f, _parentInstance$__r3f;
// The attach attribute implies that the object attaches itself on the parent
if ((_child$__r3f = child.__r3f) != null && _child$__r3f.attach) {
attach(parentInstance, child, child.__r3f.attach);
} else if (child.isObject3D && parentInstance.isObject3D) {
// add in the usual parent-child way
parentInstance.add(child);
added = true;
}
// This is for anything that used attach, and for non-Object3Ds that don't get attached to props;
// that is, anything that's a child in React but not a child in the scenegraph.
if (!added) (_parentInstance$__r3f = parentInstance.__r3f) == null ? void 0 : _parentInstance$__r3f.objects.push(child);
if (!child.__r3f) prepare(child, {});
child.__r3f.parent = parentInstance;
updateInstance(child);
invalidateInstance(child);
}
}
function insertBefore(parentInstance, child, beforeChild) {
let added = false;
if (child) {
var _child$__r3f2, _parentInstance$__r3f2;
if ((_child$__r3f2 = child.__r3f) != null && _child$__r3f2.attach) {
attach(parentInstance, child, child.__r3f.attach);
} else if (child.isObject3D && parentInstance.isObject3D) {
child.parent = parentInstance;
child.dispatchEvent({
type: 'added'
});
parentInstance.dispatchEvent({
type: 'childadded',
child
});
const restSiblings = parentInstance.children.filter(sibling => sibling !== child);
const index = restSiblings.indexOf(beforeChild);
parentInstance.children = [...restSiblings.slice(0, index), child, ...restSiblings.slice(index)];
added = true;
}
if (!added) (_parentInstance$__r3f2 = parentInstance.__r3f) == null ? void 0 : _parentInstance$__r3f2.objects.push(child);
if (!child.__r3f) prepare(child, {});
child.__r3f.parent = parentInstance;
updateInstance(child);
invalidateInstance(child);
}
}
function removeRecursive(array, parent, dispose = false) {
if (array) [...array].forEach(child => removeChild(parent, child, dispose));
}
function removeChild(parentInstance, child, dispose) {
if (child) {
var _parentInstance$__r3f3, _child$__r3f3, _child$__r3f5;
// Clear the parent reference
if (child.__r3f) child.__r3f.parent = null;
// Remove child from the parents objects
if ((_parentInstance$__r3f3 = parentInstance.__r3f) != null && _parentInstance$__r3f3.objects) parentInstance.__r3f.objects = parentInstance.__r3f.objects.filter(x => x !== child);
// Remove attachment
if ((_child$__r3f3 = child.__r3f) != null && _child$__r3f3.attach) {
detach(parentInstance, child, child.__r3f.attach);
} else if (child.isObject3D && parentInstance.isObject3D) {
var _child$__r3f4;
parentInstance.remove(child);
// @ts-expect-error
// Remove interactivity on the initial root
if ((_child$__r3f4 = child.__r3f) != null && _child$__r3f4.root) {
removeInteractivity(findInitialRoot(child), child);
}
}
// Allow objects to bail out of recursive dispose altogether by passing dispose={null}
// Never dispose of primitives because their state may be kept outside of React!
// In order for an object to be able to dispose it has to have
// - a dispose method,
// - it cannot be a
// - it cannot be a THREE.Scene, because three has broken it's own api
//
// Since disposal is recursive, we can check the optional dispose arg, which will be undefined
// when the reconciler calls it, but then carry our own check recursively
const isPrimitive = (_child$__r3f5 = child.__r3f) == null ? void 0 : _child$__r3f5.primitive;
const shouldDispose = !isPrimitive && (dispose === undefined ? child.dispose !== null : dispose);
// Remove nested child objects. Primitives should not have objects and children that are
// attached to them declaratively ...
if (!isPrimitive) {
var _child$__r3f6;
removeRecursive((_child$__r3f6 = child.__r3f) == null ? void 0 : _child$__r3f6.objects, child, shouldDispose);
removeRecursive(child.children, child, shouldDispose);
}
// Remove references
delete child.__r3f;
// Dispose item whenever the reconciler feels like it
if (shouldDispose && child.dispose && child.type !== 'Scene') {
const callback = () => {
try {
child.dispose();
} catch (e) {
/* ... */
}
};
// Schedule async at runtime, flush sync in testing
if (typeof IS_REACT_ACT_ENVIRONMENT === 'undefined') {
unstable_scheduleCallback(unstable_IdlePriority, callback);
} else {
callback();
}
}
invalidateInstance(parentInstance);
}
}
function switchInstance(instance, type, newProps, fiber) {
var _instance$__r3f;
const parent = (_instance$__r3f = instance.__r3f) == null ? void 0 : _instance$__r3f.parent;
if (!parent) return;
const newInstance = createInstance(type, newProps, instance.__r3f.root);
// https://github.com/pmndrs/react-three-fiber/issues/1348
// When args change the instance has to be re-constructed, which then
// forces r3f to re-parent the children and non-scene objects
if (instance.children) {
for (const child of instance.children) {
if (child.__r3f) appendChild(newInstance, child);
}
instance.children = instance.children.filter(child => !child.__r3f);
}
instance.__r3f.objects.forEach(child => appendChild(newInstance, child));
instance.__r3f.objects = [];
if (!instance.__r3f.autoRemovedBeforeAppend) {
removeChild(parent, instance);
}
if (newInstance.parent) {
newInstance.__r3f.autoRemovedBeforeAppend = true;
}
appendChild(parent, newInstance);
// Re-bind event handlers on the initial root
if (newInstance.raycast && newInstance.__r3f.eventCount) {
const rootState = findInitialRoot(newInstance).getState();
rootState.internal.interaction.push(newInstance);
}
[fiber, fiber.alternate].forEach(fiber => {
if (fiber !== null) {
fiber.stateNode = newInstance;
if (fiber.ref) {
if (typeof fiber.ref === 'function') fiber.ref(newInstance);else fiber.ref.current = newInstance;
}
}
});
}
// Don't handle text instances, make it no-op
const handleTextInstance = () => {};
const reconciler = Reconciler({
createInstance,
removeChild,
appendChild,
appendInitialChild: appendChild,
insertBefore,
supportsMutation: true,
isPrimaryRenderer: false,
supportsPersistence: false,
supportsHydration: false,
noTimeout: -1,
appendChildToContainer: (container, child) => {
if (!child) return;
// Don't append to unmounted container
const scene = container.getState().scene;
if (!scene.__r3f) return;
// Link current root to the default scene
scene.__r3f.root = container;
appendChild(scene, child);
},
removeChildFromContainer: (container, child) => {
if (!child) return;
removeChild(container.getState().scene, child);
},
insertInContainerBefore: (container, child, beforeChild) => {
if (!child || !beforeChild) return;
// Don't append to unmounted container
const scene = container.getState().scene;
if (!scene.__r3f) return;
insertBefore(scene, child, beforeChild);
},
getRootHostContext: () => null,
getChildHostContext: parentHostContext => parentHostContext,
finalizeInitialChildren(instance) {
var _instance$__r3f2;
const localState = (_instance$__r3f2 = instance == null ? void 0 : instance.__r3f) != null ? _instance$__r3f2 : {};
// https://github.com/facebook/react/issues/20271
// Returning true will trigger commitMount
return Boolean(localState.handlers);
},
prepareUpdate(instance, _type, oldProps, newProps) {
var _instance$__r3f3;
const localState = (_instance$__r3f3 = instance == null ? void 0 : instance.__r3f) != null ? _instance$__r3f3 : {};
// Create diff-sets
if (localState.primitive && newProps.object && newProps.object !== instance) {
return [true];
} else {
// This is a data object, let's extract critical information about it
const {
args: argsNew = [],
children: cN,
...restNew
} = newProps;
const {
args: argsOld = [],
children: cO,
...restOld
} = oldProps;
// Throw if an object or literal was passed for args
if (!Array.isArray(argsNew)) throw new Error('R3F: the args prop must be an array!');
// If it has new props or arguments, then it needs to be re-instantiated
if (argsNew.some((value, index) => value !== argsOld[index])) return [true];
// Create a diff-set, flag if there are any changes
const diff = diffProps(instance, restNew, restOld, true);
if (diff.changes.length) return [false, diff];
// Otherwise do not touch the instance
return null;
}
},
commitUpdate(instance, [reconstruct, diff], type, _oldProps, newProps, fiber) {
// Reconstruct when args or instance,
prepareForCommit: () => null,
preparePortalMount: container => prepare(container.getState().scene),
resetAfterCommit: () => {},
shouldSetTextContent: () => false,
clearContainer: () => false,
hideInstance(instance) {
var _instance$__r3f5;
// Detach while the instance is hidden
const {
attach: type,
parent
} = (_instance$__r3f5 = instance.__r3f) != null ? _instance$__r3f5 : {};
if (type && parent) detach(parent, instance, type);
if (instance.isObject3D) instance.visible = false;
invalidateInstance(instance);
},
unhideInstance(instance, props) {
var _instance$__r3f6;
// Re-attach when the instance is unhidden
const {
attach: type,
parent
} = (_instance$__r3f6 = instance.__r3f) != null ? _instance$__r3f6 : {};
if (type && parent) attach(parent, instance, type);
if (instance.isObject3D && props.visible == null || props.visible) instance.visible = true;
invalidateInstance(instance);
},
createTextInstance: handleTextInstance,
hideTextInstance: handleTextInstance,
unhideTextInstance: handleTextInstance,
// https://github.com/pmndrs/react-three-fiber/pull/2360#discussion_r916356874
// @ts-expect-error
getCurrentEventPriority: () => _getEventPriority ? _getEventPriority() : DefaultEventPriority,
beforeActiveInstanceBlur: () => {},
afterActiveInstanceBlur: () => {},
detachDeletedInstance: () => {},
now: typeof performance !== 'undefined' && is.fun(performance.now) ? performance.now : is.fun(Date.now) ? Date.now : () => 0,
// https://github.com/pmndrs/react-three-fiber/pull/2360#discussion_r920883503
scheduleTimeout: is.fun(setTimeout) ? setTimeout : undefined,
cancelTimeout: is.fun(clearTimeout) ? clearTimeout : undefined
});
return {
reconciler,
applyProps: applyProps$1
};
}
var _window$document, _window$navigator;
/**
* Returns `true` with correct TS type inference if an object has a configurable color space (since r152).
*/
const hasColorSpace = object => 'colorSpace' in object || 'outputColorSpace' in object;
/**
* The current THREE.ColorManagement instance, if present.
*/
const getColorManagement = () => {
var _ColorManagement;
return (_ColorManagement = catalogue.ColorManagement) != null ? _ColorManagement : null;
};
const isOrthographicCamera = def => def && def.isOrthographicCamera;
const isRef = obj => obj && obj.hasOwnProperty('current');
/**
* An SSR-friendly useLayoutEffect.
*
* React currently throws a warning when using useLayoutEffect on the server.
* To get around it, we can conditionally useEffect on the server (no-op) and
* useLayoutEffect elsewhere.
*
* @see https://github.com/facebook/react/issues/14927
*/
const useIsomorphicLayoutEffect = typeof window !== 'undefined' && ((_window$document = window.document) != null && _window$document.createElement || ((_window$navigator = window.navigator) == null ? void 0 : _window$navigator.product) === 'ReactNative') ? React.useLayoutEffect : React.useEffect;
function useMutableCallback(fn) {
const ref = React.useRef(fn);
useIsomorphicLayoutEffect(() => void (ref.current = fn), [fn]);
return ref;
}
function Block({
set
}) {
useIsomorphicLayoutEffect(() => {
set(new Promise(() => null));
return () => set(false);
}, [set]);
return null;
}
class ErrorBoundary extends React.Component {
constructor(...args) {
super(...args);
this.state = {
error: false
};
}
componentDidCatch(err) {
this.props.set(err);
}
render() {
return this.state.error ? null : this.props.children;
}
}
ErrorBoundary.getDerivedStateFromError = () => ({
error: true
});
const DEFAULT = '__default';
const DEFAULTS = new Map();
const isDiffSet = def => def && !!def.memoized && !!def.changes;
function calculateDpr(dpr) {
var _window$devicePixelRa;
// Err on the side of progress by assuming 2x dpr if we can't detect it
// This will happen in workers where window is defined but dpr isn't.
const target = typeof window !== 'undefined' ? (_window$devicePixelRa = window.devicePixelRatio) != null ? _window$devicePixelRa : 2 : 1;
return Array.isArray(dpr) ? Math.min(Math.max(dpr[0], target), dpr[1]) : dpr;
}
/**
* Returns instance root state
*/
const getRootState = obj => {
var _r3f;
return (_r3f = obj.__r3f) == null ? void 0 : _r3f.root.getState();
};
/**
* Returns the instances initial (outmost) root
*/
function findInitialRoot(child) {
let root = child.__r3f.root;
while (root.getState().previousRoot) root = root.getState().previousRoot;
return root;
}
// A collection of compare functions
const is = {
obj: a => a === Object(a) && !is.arr(a) && typeof a !== 'function',
fun: a => typeof a === 'function',
str: a => typeof a === 'string',
num: a => typeof a === 'number',
boo: a => typeof a === 'boolean',
und: a => a === void 0,
arr: a => Array.isArray(a),
equ(a, b, {
arrays = 'shallow',
objects = 'reference',
strict = true
} = {}) {
// Wrong type or one of the two undefined, doesn't match
if (typeof a !== typeof b || !!a !== !!b) return false;
// Atomic, just compare a against b
if (is.str(a) || is.num(a) || is.boo(a)) return a === b;
const isObj = is.obj(a);
if (isObj && objects === 'reference') return a === b;
const isArr = is.arr(a);
if (isArr && arrays === 'reference') return a === b;
// Array or Object, shallow compare first to see if it's a match
if ((isArr || isObj) && a === b) return true;
// Last resort, go through keys
let i;
// Check if a has all the keys of b
for (i in a) if (!(i in b)) return false;
// Check if values between keys match
if (isObj && arrays === 'shallow' && objects === 'shallow') {
for (i in strict ? b : a) if (!is.equ(a[i], b[i], {
strict,
objects: 'reference'
})) return false;
} else {
for (i in strict ? b : a) if (a[i] !== b[i]) return false;
}
// If i is undefined
if (is.und(i)) {
// If both arrays are empty we consider them equal
if (isArr && a.length === 0 && b.length === 0) return true;
// If both objects are empty we consider them equal
if (isObj && Object.keys(a).length === 0 && Object.keys(b).length === 0) return true;
// Otherwise match them by value
if (a !== b) return false;
}
return true;
}
};
/**
* Collects nodes and materials from a THREE.Object3D.
*/
function buildGraph(object) {
const data = {
nodes: {},
materials: {}
};
if (object) {
object.traverse(obj => {
if (obj.name) data.nodes[obj.name] = obj;
if (obj.material && !data.materials[obj.material.name]) data.materials[obj.material.name] = obj.material;
});
}
return data;
}
// Disposes an object and all its properties
function dispose(obj) {
if (obj.dispose && obj.type !== 'Scene') obj.dispose();
for (const p in obj) {
p.dispose == null ? void 0 : p.dispose();
delete obj[p];
}
}
// Each object in the scene carries a small LocalState descriptor
function prepare(object, state) {
const instance = object;
instance.__r3f = {
type: '',
root: null,
previousAttach: null,
memoizedProps: {},
eventCount: 0,
handlers: {},
objects: [],
parent: null,
...state
};
return object;
}
function resolve(instance, key) {
let target = instance;
if (key.includes('-')) {
const entries = key.split('-');
const last = entries.pop();
target = entries.reduce((acc, key) => acc[key], instance);
return {
target,
key: last
};
} else return {
target,
key
};
}
// Checks if a dash-cased string ends with an integer
const INDEX_REGEX = /-\d+$/;
function attach(parent, child, type) {
if (is.str(type)) {
// If attaching into an array (foo-0), create one
if (INDEX_REGEX.test(type)) {
const root = type.replace(INDEX_REGEX, '');
const {
target,
key
} = resolve(parent, root);
if (!Array.isArray(target[key])) target[key] = [];
}
const {
target,
key
} = resolve(parent, type);
child.__r3f.previousAttach = target[key];
target[key] = child;
} else child.__r3f.previousAttach = type(parent, child);
}
function detach(parent, child, type) {
var _child$__r3f, _child$__r3f2;
if (is.str(type)) {
const {
target,
key
} = resolve(parent, type);
const previous = child.__r3f.previousAttach;
// When the previous value was undefined, it means the value was never set to begin with
if (previous === undefined) delete target[key];
// Otherwise set the previous value
else target[key] = previous;
} else (_child$__r3f = child.__r3f) == null ? void 0 : _child$__r3f.previousAttach == null ? void 0 : _child$__r3f.previousAttach(parent, child);
(_child$__r3f2 = child.__r3f) == null ? true : delete _child$__r3f2.previousAttach;
}
// This function prepares a set of changes to be applied to the instance
function diffProps(instance, {
children: cN,
key: kN,
ref: rN,
...props
}, {
children: cP,
key: kP,
ref: rP,
...previous
} = {}, remove = false) {
const localState = instance.__r3f;
const entries = Object.entries(props);
const changes = [];
// Catch removed props, prepend them so they can be reset or removed
if (remove) {
const previousKeys = Object.keys(previous);
for (let i = 0; i < previousKeys.length; i++) {
if (!props.hasOwnProperty(previousKeys[i])) entries.unshift([previousKeys[i], DEFAULT + 'remove']);
}
}
entries.forEach(([key, value]) => {
var _instance$__r3f;
// Bail out on primitive object
if ((_instance$__r3f = instance.__r3f) != null && _instance$__r3f.primitive && key === 'object') return;
// When props match bail out
if (is.equ(value, previous[key])) return;
// Collect handlers and bail out
if (/^on(Pointer|Click|DoubleClick|ContextMenu|Wheel)/.test(key)) return changes.push([key, value, true, []]);
// Split dashed props
let entries = [];
if (key.includes('-')) entries = key.split('-');
changes.push([key, value, false, entries]);
// Reset pierced props
for (const prop in props) {
const value = props[prop];
if (prop.startsWith(`${key}-`)) changes.push([prop, value, false, prop.split('-')]);
}
});
const memoized = {
...props
};
if (localState != null && localState.memoizedProps && localState != null && localState.memoizedProps.args) memoized.args = localState.memoizedProps.args;
if (localState != null && localState.memoizedProps && localState != null && localState.memoizedProps.attach) memoized.attach = localState.memoizedProps.attach;
return {
memoized,
changes
};
}
const __DEV__ = typeof process !== 'undefined' && process.env.NODE_ENV !== 'production';
// This function applies a set of changes to the instance
function applyProps$1(instance, data) {
var _instance$__r3f2;
// Filter equals, events and reserved props
const localState = instance.__r3f;
const root = localState == null ? void 0 : localState.root;
const rootState = root == null ? void 0 : root.getState == null ? void 0 : root.getState();
const {
memoized,
changes
} = isDiffSet(data) ? data : diffProps(instance, data);
const prevHandlers = localState == null ? void 0 : localState.eventCount;
// Prepare memoized props
if (instance.__r3f) instance.__r3f.memoizedProps = memoized;
for (let i = 0; i < changes.length; i++) {
let [key, value, isEvent, keys] = changes[i];
// Alias (output)encoding => (output)colorSpace (since r152)
// https://github.com/pmndrs/react-three-fiber/pull/2829
if (hasColorSpace(instance)) {
const sRGBEncoding = 3001;
const SRGBColorSpace = 'srgb';
const LinearSRGBColorSpace = 'srgb-linear';
if (key === 'encoding') {
key = 'colorSpace';
value = value === sRGBEncoding ? SRGBColorSpace : LinearSRGBColorSpace;
} else if (key === 'outputEncoding') {
key = 'outputColorSpace';
value = value === sRGBEncoding ? SRGBColorSpace : LinearSRGBColorSpace;
}
}
let currentInstance = instance;
let targetProp = currentInstance[key];
// Revolve dashed props
if (keys.length) {
targetProp = keys.reduce((acc, key) => acc[key], instance);
// If the target is atomic, it forces us to switch the root
if (!(targetProp && targetProp.set)) {
const [name, ...reverseEntries] = keys.reverse();
currentInstance = reverseEntries.reverse().reduce((acc, key) => acc[key], instance);
key = name;
}
}
// https://github.com/mrdoob/three.js/issues/21209
// HMR/fast-refresh relies on the ability to cancel out props, but threejs
// has no means to do this. Hence we curate a small collection of value-classes
// with their respective constructor/set arguments
// For removed props, try to set default values, if possible
if (value === DEFAULT + 'remove') {
if (currentInstance.constructor) {
// create a blank slate of the instance and copy the particular parameter.
let ctor = DEFAULTS.get(currentInstance.constructor);
if (!ctor) {
// @ts-expect-error
ctor = new currentInstance.constructor();
DEFAULTS.set(currentInstance.constructor, ctor);
}
value = ctor[key];
} else {
// instance does not have constructor, just set it to 0
value = 0;
}
}
// Deal with pointer events ...
if (isEvent && localState) {
if (value) localState.handlers[key] = value;else delete localState.handlers[key];
localState.eventCount = Object.keys(localState.handlers).length;
}
// Special treatment for objects with support for set/copy, and layers
else if (targetProp && targetProp.set && (targetProp.copy || targetProp instanceof THREE.Layers)) {
// If value is an array
if (Array.isArray(value)) {
if (targetProp.fromArray) targetProp.fromArray(value);else targetProp.set(...value);
}
// Test again target.copy(class) next ...
else if (targetProp.copy && value && value.constructor && (
// Some environments may break strict identity checks by duplicating versions of three.js.
// Loosen to unminified names, ignoring descendents.
// https://github.com/pmndrs/react-three-fiber/issues/2856
// TODO: fix upstream and remove in v9
__DEV__ ? targetProp.constructor.name === value.constructor.name : targetProp.constructor === value.constructor)) {
targetProp.copy(value);
}
// If nothing else fits, just set the single value, ignore undefined
// https://github.com/pmndrs/react-three-fiber/issues/274
else if (value !== undefined) {
var _targetProp;
const isColor = (_targetProp = targetProp) == null ? void 0 : _targetProp.isColor;
// Allow setting array scalars
if (!isColor && targetProp.setScalar) targetProp.setScalar(value);
// Layers have no copy function, we must therefore copy the mask property
else if (targetProp instanceof THREE.Layers && value instanceof THREE.Layers) targetProp.mask = value.mask;
// Otherwise just set ...
else targetProp.set(value);
// For versions of three which don't support THREE.ColorManagement,
// Auto-convert sRGB colors
// https://github.com/pmndrs/react-three-fiber/issues/344
if (!getColorManagement() && rootState && !rootState.linear && isColor) targetProp.convertSRGBToLinear();
}
// Else, just overwrite the value
} else {
var _currentInstance$key;
currentInstance[key] = value;
// Auto-convert sRGB textures, for now ...
// https://github.com/pmndrs/react-three-fiber/issues/344
if ((_currentInstance$key = currentInstance[key]) != null && _currentInstance$key.isTexture &&
// sRGB textures must be RGBA8 since r137 https://github.com/mrdoob/three.js/pull/23129
currentInstance[key].format === THREE.RGBAFormat && currentInstance[key].type === THREE.UnsignedByteType && rootState) {
const texture = currentInstance[key];
if (hasColorSpace(texture) && hasColorSpace(rootState.gl)) texture.colorSpace = rootState.gl.outputColorSpace;else texture.encoding = rootState.gl.outputEncoding;
}
}
invalidateInstance(instance);
}
if (localState && localState.parent && instance.raycast && prevHandlers !== localState.eventCount) {
// Get the initial root state's internals
const internal = findInitialRoot(instance).getState().internal;
// Pre-emptively remove the instance from the interaction manager
const index = internal.interaction.indexOf(instance);
if (index > -1) internal.interaction.splice(index, 1);
// Add the instance to the interaction manager only when it has handlers
if (localState.eventCount) internal.interaction.push(instance);
}
// Call the update lifecycle when it is being updated, but only when it is part of the scene.
// Skip updates to the `onUpdate` prop itself
const isCircular = changes.length === 1 && changes[0][0] === 'onUpdate';
if (!isCircular && changes.length && (_instance$__r3f2 = instance.__r3f) != null && _instance$__r3f2.parent) updateInstance(instance);
return instance;
}
function invalidateInstance(instance) {
var _instance$__r3f3, _instance$__r3f3$root;
const state = (_instance$__r3f3 = instance.__r3f) == null ? void 0 : (_instance$__r3f3$root = _instance$__r3f3.root) == null ? void 0 : _instance$__r3f3$root.getState == null ? void 0 : _instance$__r3f3$root.getState();
if (state && state.internal.frames === 0) state.invalidate();
}
function updateInstance(instance) {
instance.onUpdate == null ? void 0 : instance.onUpdate(instance);
}
function updateCamera(camera, size) {
// https://github.com/pmndrs/react-three-fiber/issues/92
// Do not mess with the camera if it belongs to the user
if (!camera.manual) {
if (isOrthographicCamera(camera)) {
camera.left = size.width / -2;
camera.right = size.width / 2;
camera.top = size.height / 2;
camera.bottom = size.height / -2;
} else {
camera.aspect = size.width / size.height;
}
camera.updateProjectionMatrix();
// https://github.com/pmndrs/react-three-fiber/issues/178
// Update matrix world since the renderer is a frame late
camera.updateMatrixWorld();
}
}
function makeId(event) {
return (event.eventObject || event.object).uuid + '/' + event.index + event.instanceId;
}
// https://github.com/facebook/react/tree/main/packages/react-reconciler#getcurrenteventpriority
// Gives React a clue as to how import the current interaction is
function getEventPriority() {
var _globalScope$event;
// Get a handle to the current global scope in window and worker contexts if able
// https://github.com/pmndrs/react-three-fiber/pull/2493
const globalScope = typeof self !== 'undefined' && self || typeof window !== 'undefined' && window;
if (!globalScope) return DefaultEventPriority;
const name = (_globalScope$event = globalScope.event) == null ? void 0 : _globalScope$event.type;
switch (name) {
case 'click':
case 'contextmenu':
case 'dblclick':
case 'pointercancel':
case 'pointerdown':
case 'pointerup':
return DiscreteEventPriority;
case 'pointermove':
case 'pointerout':
case 'pointerover':
case 'pointerenter':
case 'pointerleave':
case 'wheel':
return ContinuousEventPriority;
default:
return DefaultEventPriority;
}
}
/**
* Release pointer captures.
* This is called by releasePointerCapture in the API, and when an object is removed.
*/
function releaseInternalPointerCapture(capturedMap, obj, captures, pointerId) {
const captureData = captures.get(obj);
if (captureData) {
captures.delete(obj);
// If this was the last capturing object for this pointer
if (captures.size === 0) {
capturedMap.delete(pointerId);
captureData.target.releasePointerCapture(pointerId);
}
}
}
function removeInteractivity(store, object) {
const {
internal
} = store.getState();
// Removes every trace of an object from the data store
internal.interaction = internal.interaction.filter(o => o !== object);
internal.initialHits = internal.initialHits.filter(o => o !== object);
internal.hovered.forEach((value, key) => {
if (value.eventObject === object || value.object === object) {
// Clear out intersects, they are outdated by now
internal.hovered.delete(key);
}
});
internal.capturedMap.forEach((captures, pointerId) => {
releaseInternalPointerCapture(internal.capturedMap, object, captures, pointerId);
});
}
function createEvents(store) {
/** Calculates delta */
function calculateDistance(event) {
const {
internal
} = store.getState();
const dx = event.offsetX - internal.initialClick[0];
const dy = event.offsetY - internal.initialClick[1];
return Math.round(Math.sqrt(dx * dx + dy * dy));
}
/** Returns true if an instance has a valid pointer-event registered, this excludes scroll, clicks etc */
function filterPointerEvents(objects) {
return objects.filter(obj => ['Move', 'Over', 'Enter', 'Out', 'Leave'].some(name => {
var _r3f;
return (_r3f = obj.__r3f) == null ? void 0 : _r3f.handlers['onPointer' + name];
}));
}
function intersect(event, filter) {
const state = store.getState();
const duplicates = new Set();
const intersections = [];
// Allow callers to eliminate event objects
const eventsObjects = filter ? filter(state.internal.interaction) : state.internal.interaction;
// Reset all raycaster cameras to undefined
for (let i = 0; i < eventsObjects.length; i++) {
const state = getRootState(eventsObjects[i]);
if (state) {
state.raycaster.camera = undefined;
}
}
if (!state.previousRoot) {
// Make sure root-level pointer and ray are set up
state.events.compute == null ? void 0 : state.events.compute(event, state);
}
function handleRaycast(obj) {
const state = getRootState(obj);
// Skip event handling when noEvents is set, or when the raycasters camera is null
if (!state || !state.events.enabled || state.raycaster.camera === null) return [];
// When the camera is undefined we have to call the event layers update function
if (state.raycaster.camera === undefined) {
var _state$previousRoot;
state.events.compute == null ? void 0 : state.events.compute(event, state, (_state$previousRoot = state.previousRoot) == null ? void 0 : _state$previousRoot.getState());
// If the camera is still undefined we have to skip this layer entirely
if (state.raycaster.camera === undefined) state.raycaster.camera = null;
}
// Intersect object by object
return state.raycaster.camera ? state.raycaster.intersectObject(obj, true) : [];
}
// Collect events
let hits = eventsObjects
// Intersect objects
.flatMap(handleRaycast)
// Sort by event priority and distance
.sort((a, b) => {
const aState = getRootState(a.object);
const bState = getRootState(b.object);
if (!aState || !bState) return a.distance - b.distance;
return bState.events.priority - aState.events.priority || a.distance - b.distance;
})
// Filter out duplicates
.filter(item => {
const id = makeId(item);
if (duplicates.has(id)) return false;
duplicates.add(id);
return true;
});
// https://github.com/mrdoob/three.js/issues/16031
// Allow custom userland intersect sort order, this likely only makes sense on the root filter
if (state.events.filter) hits = state.events.filter(hits, state);
// Bubble up the events, find the event source (eventObject)
for (const hit of hits) {
let eventObject = hit.object;
// Bubble event up
while (eventObject) {
var _r3f2;
if ((_r3f2 = eventObject.__r3f) != null && _r3f2.eventCount) intersections.push({
...hit,
eventObject
});
eventObject = eventObject.parent;
}
}
// If the interaction is captured, make all capturing targets part of the intersect.
if ('pointerId' in event && state.internal.capturedMap.has(event.pointerId)) {
for (let captureData of state.internal.capturedMap.get(event.pointerId).values()) {
if (!duplicates.has(makeId(captureData.intersection))) intersections.push(captureData.intersection);
}
}
return intersections;
}
/** Handles intersections by forwarding them to handlers */
function handleIntersects(intersections, event, delta, callback) {
const rootState = store.getState();
// If anything has been found, forward it to the event listeners
if (intersections.length) {
const localState = {
stopped: false
};
for (const hit of intersections) {
const state = getRootState(hit.object) || rootState;
const {
raycaster,
pointer,
camera,
internal
} = state;
const unprojectedPoint = new THREE.Vector3(pointer.x, pointer.y, 0).unproject(camera);
const hasPointerCapture = id => {
var _internal$capturedMap, _internal$capturedMap2;
return (_internal$capturedMap = (_internal$capturedMap2 = internal.capturedMap.get(id)) == null ? void 0 : _internal$capturedMap2.has(hit.eventObject)) != null ? _internal$capturedMap : false;
};
const setPointerCapture = id => {
const captureData = {
intersection: hit,
target: event.target
};
if (internal.capturedMap.has(id)) {
// if the pointerId was previously captured, we add the hit to the
// event capturedMap.
internal.capturedMap.get(id).set(hit.eventObject, captureData);
} else {
// if the pointerId was not previously captured, we create a map
// containing the hitObject, and the hit. hitObject is used for
// faster access.
internal.capturedMap.set(id, new Map([[hit.eventObject, captureData]]));
}
event.target.setPointerCapture(id);
};
const releasePointerCapture = id => {
const captures = internal.capturedMap.get(id);
if (captures) {
releaseInternalPointerCapture(internal.capturedMap, hit.eventObject, captures, id);
}
};
// Add native event props
let extractEventProps = {};
// This iterates over the event's properties including the inherited ones. Native PointerEvents have most of their props as getters which are inherited, but polyfilled PointerEvents have them all as their own properties (i.e. not inherited). We can't use Object.keys() or Object.entries() as they only return "own" properties; nor Object.getPrototypeOf(event) as that *doesn't* return "own" properties, only inherited ones.
for (let prop in event) {
let property = event[prop];
// Only copy over atomics, leave functions alone as these should be
// called as event.nativeEvent.fn()
if (typeof property !== 'function') extractEventProps[prop] = property;
}
let raycastEvent = {
...hit,
...extractEventProps,
pointer,
intersections,
stopped: localState.stopped,
delta,
unprojectedPoint,
ray: raycaster.ray,
camera: camera,
// Hijack stopPropagation, which just sets a flag
stopPropagation() {
// https://github.com/pmndrs/react-three-fiber/issues/596
// Events are not allowed to stop propagation if the pointer has been captured
const capturesForPointer = 'pointerId' in event && internal.capturedMap.get(event.pointerId);
// We only authorize stopPropagation...
if (
// ...if this pointer hasn't been captured
!capturesForPointer ||
// ... or if the hit object is capturing the pointer
capturesForPointer.has(hit.eventObject)) {
raycastEvent.stopped = localState.stopped = true;
// Propagation is stopped, remove all other hover records
// An event handler is only allowed to flush other handlers if it is hovered itself
if (internal.hovered.size && Array.from(internal.hovered.values()).find(i => i.eventObject === hit.eventObject)) {
// Objects cannot flush out higher up objects that have already caught the event
const higher = intersections.slice(0, intersections.indexOf(hit));
cancelPointer([...higher, hit]);
}
}
},
// there should be a distinction between target and currentTarget
target: {
hasPointerCapture,
setPointerCapture,
releasePointerCapture
},
currentTarget: {
hasPointerCapture,
setPointerCapture,
releasePointerCapture
},
nativeEvent: event
};
// Call subscribers
callback(raycastEvent);
// Event bubbling may be interrupted by stopPropagation
if (localState.stopped === true) break;
}
}
return intersections;
}
function cancelPointer(intersections) {
const {
internal
} = store.getState();
for (const hoveredObj of internal.hovered.values()) {
// When no objects were hit or the the hovered object wasn't found underneath the cursor
// we call onPointerOut and delete the object from the hovered-elements map
if (!intersections.length || !intersections.find(hit => hit.object === hoveredObj.object && hit.index === hoveredObj.index && hit.instanceId === hoveredObj.instanceId)) {
const eventObject = hoveredObj.eventObject;
const instance = eventObject.__r3f;
const handlers = instance == null ? void 0 : instance.handlers;
internal.hovered.delete(makeId(hoveredObj));
if (instance != null && instance.eventCount) {
// Clear out intersects, they are outdated by now
const data = {
...hoveredObj,
intersections
};
handlers.onPointerOut == null ? void 0 : handlers.onPointerOut(data);
handlers.onPointerLeave == null ? void 0 : handlers.onPointerLeave(data);
}
}
}
}
function pointerMissed(event, objects) {
for (let i = 0; i < objects.length; i++) {
const instance = objects[i].__r3f;
instance == null ? void 0 : instance.handlers.onPointerMissed == null ? void 0 : instance.handlers.onPointerMissed(event);
}
}
function handlePointer(name) {
// Deal with cancelation
switch (name) {
case 'onPointerLeave':
case 'onPointerCancel':
return () => cancelPointer([]);
case 'onLostPointerCapture':
return event => {
const {
internal
} = store.getState();
if ('pointerId' in event && internal.capturedMap.has(event.pointerId)) {
// If the object event interface had onLostPointerCapture, we'd call it here on every
// object that's getting removed. We call it on the next frame because onLostPointerCapture
// fires before onPointerUp. Otherwise pointerUp would never be called if the event didn't
// happen in the object it originated from, leaving components in a in-between state.
requestAnimationFrame(() => {
// Only release if pointer-up didn't do it already
if (internal.capturedMap.has(event.pointerId)) {
internal.capturedMap.delete(event.pointerId);
cancelPointer([]);
}
});
}
};
}
// Any other pointer goes here ...
return function handleEvent(event) {
const {
onPointerMissed,
internal
} = store.getState();
// prepareRay(event)
internal.lastEvent.current = event;
// Get fresh intersects
const isPointerMove = name === 'onPointerMove';
const isClickEvent = name === 'onClick' || name === 'onContextMenu' || name === 'onDoubleClick';
const filter = isPointerMove ? filterPointerEvents : undefined;
const hits = intersect(event, filter);
const delta = isClickEvent ? calculateDistance(event) : 0;
// Save initial coordinates on pointer-down
if (name === 'onPointerDown') {
internal.initialClick = [event.offsetX, event.offsetY];
internal.initialHits = hits.map(hit => hit.eventObject);
}
// If a click yields no results, pass it back to the user as a miss
// Missed events have to come first in order to establish user-land side-effect clean up
if (isClickEvent && !hits.length) {
if (delta <= 2) {
pointerMissed(event, internal.interaction);
if (onPointerMissed) onPointerMissed(event);
}
}
// Take care of unhover
if (isPointerMove) cancelPointer(hits);
function onIntersect(data) {
const eventObject = data.eventObject;
const instance = eventObject.__r3f;
const handlers = instance == null ? void 0 : instance.handlers;
// Check presence of handlers
if (!(instance != null && instance.eventCount)) return;
/*
MAYBE TODO, DELETE IF NOT:
Check if the object is captured, captured events should not have intersects running in parallel
But wouldn't it be better to just replace capturedMap with a single entry?
Also, are we OK with straight up making picking up multiple objects impossible?
const pointerId = (data as ThreeEvent).pointerId
if (pointerId !== undefined) {
const capturedMeshSet = internal.capturedMap.get(pointerId)
if (capturedMeshSet) {
const captured = capturedMeshSet.get(eventObject)
if (captured && captured.localState.stopped) return
}
}*/
if (isPointerMove) {
// Move event ...
if (handlers.onPointerOver || handlers.onPointerEnter || handlers.onPointerOut || handlers.onPointerLeave) {
// When enter or out is present take care of hover-state
const id = makeId(data);
const hoveredItem = internal.hovered.get(id);
if (!hoveredItem) {
// If the object wasn't previously hovered, book it and call its handler
internal.hovered.set(id, data);
handlers.onPointerOver == null ? void 0 : handlers.onPointerOver(data);
handlers.onPointerEnter == null ? void 0 : handlers.onPointerEnter(data);
} else if (hoveredItem.stopped) {
// If the object was previously hovered and stopped, we shouldn't allow other items to proceed
data.stopPropagation();
}
}
// Call mouse move
handlers.onPointerMove == null ? void 0 : handlers.onPointerMove(data);
} else {
// All other events ...
const handler = handlers[name];
if (handler) {
// Forward all events back to their respective handlers with the exception of click events,
// which must use the initial target
if (!isClickEvent || internal.initialHits.includes(eventObject)) {
// Missed events have to come first
pointerMissed(event, internal.interaction.filter(object => !internal.initialHits.includes(object)));
// Now call the handler
handler(data);
}
} else {
// Trigger onPointerMissed on all elements that have pointer over/out handlers, but not click and weren't hit
if (isClickEvent && internal.initialHits.includes(eventObject)) {
pointerMissed(event, internal.interaction.filter(object => !internal.initialHits.includes(object)));
}
}
}
}
handleIntersects(hits, event, delta, onIntersect);
};
}
return {
handlePointer
};
}
// Keys that shouldn't be copied between R3F stores
const privateKeys = ['set', 'get', 'setSize', 'setFrameloop', 'setDpr', 'events', 'invalidate', 'advance', 'size', 'viewport'];
const isRenderer = def => !!(def != null && def.render);
const context = /*#__PURE__*/React.createContext(null);
const createStore = (invalidate, advance) => {
const rootState = create((set, get) => {
const position = new THREE.Vector3();
const defaultTarget = new THREE.Vector3();
const tempTarget = new THREE.Vector3();
function getCurrentViewport(camera = get().camera, target = defaultTarget, size = get().size) {
const {
width,
height,
top,
left
} = size;
const aspect = width / height;
if (target.isVector3) tempTarget.copy(target);else tempTarget.set(...target);
const distance = camera.getWorldPosition(position).distanceTo(tempTarget);
if (isOrthographicCamera(camera)) {
return {
width: width / camera.zoom,
height: height / camera.zoom,
top,
left,
factor: 1,
distance,
aspect
};
} else {
const fov = camera.fov * Math.PI / 180; // convert vertical fov to radians
const h = 2 * Math.tan(fov / 2) * distance; // visible height
const w = h * (width / height);
return {
width: w,
height: h,
top,
left,
factor: width / w,
distance,
aspect
};
}
}
let performanceTimeout = undefined;
const setPerformanceCurrent = current => set(state => ({
performance: {
...state.performance,
current
}
}));
const pointer = new THREE.Vector2();
const rootState = {
set,
get,
// Mock objects that have to be configured
gl: null,
camera: null,
raycaster: null,
events: {
priority: 1,
enabled: true,
connected: false
},
xr: null,
scene: null,
invalidate: (frames = 1) => invalidate(get(), frames),
advance: (timestamp, runGlobalEffects) => advance(timestamp, runGlobalEffects, get()),
legacy: false,
linear: false,
flat: false,
controls: null,
clock: new THREE.Clock(),
pointer,
mouse: pointer,
frameloop: 'always',
onPointerMissed: undefined,
performance: {
current: 1,
min: 0.5,
max: 1,
debounce: 200,
regress: () => {
const state = get();
// Clear timeout
if (performanceTimeout) clearTimeout(performanceTimeout);
// Set lower bound performance
if (state.performance.current !== state.performance.min) setPerformanceCurrent(state.performance.min);
// Go back to upper bound performance after a while unless something regresses meanwhile
performanceTimeout = setTimeout(() => setPerformanceCurrent(get().performance.max), state.performance.debounce);
}
},
size: {
width: 0,
height: 0,
top: 0,
left: 0,
updateStyle: false
},
viewport: {
initialDpr: 0,
dpr: 0,
width: 0,
height: 0,
top: 0,
left: 0,
aspect: 0,
distance: 0,
factor: 0,
getCurrentViewport
},
setEvents: events => set(state => ({
...state,
events: {
...state.events,
...events
}
})),
setSize: (width, height, updateStyle, top, left) => {
const camera = get().camera;
const size = {
width,
height,
top: top || 0,
left: left || 0,
updateStyle
};
set(state => ({
size,
viewport: {
...state.viewport,
...getCurrentViewport(camera, defaultTarget, size)
}
}));
},
setDpr: dpr => set(state => {
const resolved = calculateDpr(dpr);
return {
viewport: {
...state.viewport,
dpr: resolved,
initialDpr: state.viewport.initialDpr || resolved
}
};
}),
setFrameloop: (frameloop = 'always') => {
const clock = get().clock;
// if frameloop === "never" clock.elapsedTime is updated using advance(timestamp)
clock.stop();
clock.elapsedTime = 0;
if (frameloop !== 'never') {
clock.start();
clock.elapsedTime = 0;
}
set(() => ({
frameloop
}));
},
previousRoot: undefined,
internal: {
active: false,
priority: 0,
frames: 0,
lastEvent: /*#__PURE__*/React.createRef(),
interaction: [],
hovered: new Map(),
subscribers: [],
initialClick: [0, 0],
initialHits: [],
capturedMap: new Map(),
subscribe: (ref, priority, store) => {
const internal = get().internal;
// If this subscription was given a priority, it takes rendering into its own hands
// For that reason we switch off automatic rendering and increase the manual flag
// As long as this flag is positive there can be no internal rendering at all
// because there could be multiple render subscriptions
internal.priority = internal.priority + (priority > 0 ? 1 : 0);
internal.subscribers.push({
ref,
priority,
store
});
// Register subscriber and sort layers from lowest to highest, meaning,
// highest priority renders last (on top of the other frames)
internal.subscribers = internal.subscribers.sort((a, b) => a.priority - b.priority);
return () => {
const internal = get().internal;
if (internal != null && internal.subscribers) {
// Decrease manual flag if this subscription had a priority
internal.priority = internal.priority - (priority > 0 ? 1 : 0);
// Remove subscriber from list
internal.subscribers = internal.subscribers.filter(s => s.ref !== ref);
}
};
}
}
};
return rootState;
});
const state = rootState.getState();
let oldSize = state.size;
let oldDpr = state.viewport.dpr;
let oldCamera = state.camera;
rootState.subscribe(() => {
const {
camera,
size,
viewport,
gl,
set
} = rootState.getState();
// Resize camera and renderer on changes to size and pixelratio
if (size.width !== oldSize.width || size.height !== oldSize.height || viewport.dpr !== oldDpr) {
var _size$updateStyle;
oldSize = size;
oldDpr = viewport.dpr;
// Update camera & renderer
updateCamera(camera, size);
gl.setPixelRatio(viewport.dpr);
const updateStyle = (_size$updateStyle = size.updateStyle) != null ? _size$updateStyle : typeof HTMLCanvasElement !== 'undefined' && gl.domElement instanceof HTMLCanvasElement;
gl.setSize(size.width, size.height, updateStyle);
}
// Update viewport once the camera changes
if (camera !== oldCamera) {
oldCamera = camera;
// Update viewport
set(state => ({
viewport: {
...state.viewport,
...state.viewport.getCurrentViewport(camera)
}
}));
}
});
// Invalidate on any change
rootState.subscribe(state => invalidate(state));
// Return root state
return rootState;
};
function createSubs(callback, subs) {
const sub = {
callback
};
subs.add(sub);
return () => void subs.delete(sub);
}
let i;
let globalEffects = new Set();
let globalAfterEffects = new Set();
let globalTailEffects = new Set();
/**
* Adds a global render callback which is called each frame.
* @see https://docs.pmnd.rs/react-three-fiber/api/additional-exports#addEffect
*/
const addEffect = callback => createSubs(callback, globalEffects);
/**
* Adds a global after-render callback which is called each frame.
* @see https://docs.pmnd.rs/react-three-fiber/api/additional-exports#addAfterEffect
*/
const addAfterEffect = callback => createSubs(callback, globalAfterEffects);
/**
* Adds a global callback which is called when rendering stops.
* @see https://docs.pmnd.rs/react-three-fiber/api/additional-exports#addTail
*/
const addTail = callback => createSubs(callback, globalTailEffects);
function run(effects, timestamp) {
if (!effects.size) return;
for (const {
callback
} of effects.values()) {
callback(timestamp);
}
}
function flushGlobalEffects(type, timestamp) {
switch (type) {
case 'before':
return run(globalEffects, timestamp);
case 'after':
return run(globalAfterEffects, timestamp);
case 'tail':
return run(globalTailEffects, timestamp);
}
}
let subscribers;
let subscription;
function render$1(timestamp, state, frame) {
// Run local effects
let delta = state.clock.getDelta();
// In frameloop='never' mode, clock times are updated using the provided timestamp
if (state.frameloop === 'never' && typeof timestamp === 'number') {
delta = timestamp - state.clock.elapsedTime;
state.clock.oldTime = state.clock.elapsedTime;
state.clock.elapsedTime = timestamp;
}
// Call subscribers (useFrame)
subscribers = state.internal.subscribers;
for (i = 0; i < subscribers.length; i++) {
subscription = subscribers[i];
subscription.ref.current(subscription.store.getState(), delta, frame);
}
// Render content
if (!state.internal.priority && state.gl.render) state.gl.render(state.scene, state.camera);
// Decrease frame count
state.internal.frames = Math.max(0, state.internal.frames - 1);
return state.frameloop === 'always' ? 1 : state.internal.frames;
}
function createLoop(roots) {
let running = false;
let useFrameInProgress = false;
let repeat;
let frame;
let state;
function loop(timestamp) {
frame = requestAnimationFrame(loop);
running = true;
repeat = 0;
// Run effects
flushGlobalEffects('before', timestamp);
// Render all roots
useFrameInProgress = true;
for (const root of roots.values()) {
var _state$gl$xr;
state = root.store.getState();
// If the frameloop is invalidated, do not run another frame
if (state.internal.active && (state.frameloop === 'always' || state.internal.frames > 0) && !((_state$gl$xr = state.gl.xr) != null && _state$gl$xr.isPresenting)) {
repeat += render$1(timestamp, state);
}
}
useFrameInProgress = false;
// Run after-effects
flushGlobalEffects('after', timestamp);
// Stop the loop if nothing invalidates it
if (repeat === 0) {
// Tail call effects, they are called when rendering stops
flushGlobalEffects('tail', timestamp);
// Flag end of operation
running = false;
return cancelAnimationFrame(frame);
}
}
function invalidate(state, frames = 1) {
var _state$gl$xr2;
if (!state) return roots.forEach(root => invalidate(root.store.getState(), frames));
if ((_state$gl$xr2 = state.gl.xr) != null && _state$gl$xr2.isPresenting || !state.internal.active || state.frameloop === 'never') return;
if (frames > 1) {
// legacy support for people using frames parameters
// Increase frames, do not go higher than 60
state.internal.frames = Math.min(60, state.internal.frames + frames);
} else {
if (useFrameInProgress) {
//called from within a useFrame, it means the user wants an additional frame
state.internal.frames = 2;
} else {
//the user need a new frame, no need to increment further than 1
state.internal.frames = 1;
}
}
// If the render-loop isn't active, start it
if (!running) {
running = true;
requestAnimationFrame(loop);
}
}
function advance(timestamp, runGlobalEffects = true, state, frame) {
if (runGlobalEffects) flushGlobalEffects('before', timestamp);
if (!state) for (const root of roots.values()) render$1(timestamp, root.store.getState());else render$1(timestamp, state, frame);
if (runGlobalEffects) flushGlobalEffects('after', timestamp);
}
return {
loop,
invalidate,
advance
};
}
/**
* Exposes an object's {@link LocalState}.
* @see https://docs.pmnd.rs/react-three-fiber/api/additional-exports#useInstanceHandle
*
* **Note**: this is an escape hatch to react-internal fields. Expect this to change significantly between versions.
*/
function useInstanceHandle(ref) {
const instance = React.useRef(null);
useIsomorphicLayoutEffect(() => void (instance.current = ref.current.__r3f), [ref]);
return instance;
}
function useStore() {
const store = React.useContext(context);
if (!store) throw new Error('R3F: Hooks can only be used within the Canvas component!');
return store;
}
/**
* Accesses R3F's internal state, containing renderer, canvas, scene, etc.
* @see https://docs.pmnd.rs/react-three-fiber/api/hooks#usethree
*/
function useThree(selector = state => state, equalityFn) {
return useStore()(selector, equalityFn);
}
/**
* Executes a callback before render in a shared frame loop.
* Can order effects with render priority or manually render with a positive priority.
* @see https://docs.pmnd.rs/react-three-fiber/api/hooks#useframe
*/
function useFrame(callback, renderPriority = 0) {
const store = useStore();
const subscribe = store.getState().internal.subscribe;
// Memoize ref
const ref = useMutableCallback(callback);
// Subscribe on mount, unsubscribe on unmount
useIsomorphicLayoutEffect(() => subscribe(ref, renderPriority, store), [renderPriority, subscribe, store]);
return null;
}
/**
* Returns a node graph of an object with named nodes & materials.
* @see https://docs.pmnd.rs/react-three-fiber/api/hooks#usegraph
*/
function useGraph(object) {
return React.useMemo(() => buildGraph(object), [object]);
}
const memoizedLoaders = new WeakMap();
function loadingFn(extensions, onProgress) {
return function (Proto, ...input) {
// Construct new loader and run extensions
let loader = memoizedLoaders.get(Proto);
if (!loader) {
loader = new Proto();
memoizedLoaders.set(Proto, loader);
}
if (extensions) extensions(loader);
// Go through the urls and load them
return Promise.all(input.map(input => new Promise((res, reject) => loader.load(input, data => {
if (data.scene) Object.assign(data, buildGraph(data.scene));
res(data);
}, onProgress, error => reject(new Error(`Could not load ${input}: ${error == null ? void 0 : error.message}`))))));
};
}
/**
* Synchronously loads and caches assets with a three loader.
*
* Note: this hook's caller must be wrapped with `React.Suspense`
* @see https://docs.pmnd.rs/react-three-fiber/api/hooks#useloader
*/
function useLoader(Proto, input, extensions, onProgress) {
// Use suspense to load async assets
const keys = Array.isArray(input) ? input : [input];
const results = suspend(loadingFn(extensions, onProgress), [Proto, ...keys], {
equal: is.equ
});
// Return the object/s
return Array.isArray(input) ? results : results[0];
}
/**
* Preloads an asset into cache as a side-effect.
*/
useLoader.preload = function (Proto, input, extensions) {
const keys = Array.isArray(input) ? input : [input];
return preload(loadingFn(extensions), [Proto, ...keys]);
};
/**
* Removes a loaded asset from cache.
*/
useLoader.clear = function (Proto, input) {
const keys = Array.isArray(input) ? input : [input];
return clear([Proto, ...keys]);
};
const roots = new Map();
const {
invalidate,
advance
} = createLoop(roots);
const {
reconciler,
applyProps
} = createRenderer(roots, getEventPriority);
const shallowLoose = {
objects: 'shallow',
strict: false
};
const createRendererInstance = (gl, canvas) => {
const customRenderer = typeof gl === 'function' ? gl(canvas) : gl;
if (isRenderer(customRenderer)) return customRenderer;else return new THREE.WebGLRenderer({
powerPreference: 'high-performance',
canvas: canvas,
antialias: true,
alpha: true,
...gl
});
};
function computeInitialSize(canvas, defaultSize) {
const defaultStyle = typeof HTMLCanvasElement !== 'undefined' && canvas instanceof HTMLCanvasElement;
if (defaultSize) {
const {
width,
height,
top,
left,
updateStyle = defaultStyle
} = defaultSize;
return {
width,
height,
top,
left,
updateStyle
};
} else if (typeof HTMLCanvasElement !== 'undefined' && canvas instanceof HTMLCanvasElement && canvas.parentElement) {
const {
width,
height,
top,
left
} = canvas.parentElement.getBoundingClientRect();
return {
width,
height,
top,
left,
updateStyle: defaultStyle
};
} else if (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) {
return {
width: canvas.width,
height: canvas.height,
top: 0,
left: 0,
updateStyle: defaultStyle
};
}
return {
width: 0,
height: 0,
top: 0,
left: 0
};
}
function createRoot(canvas) {
// Check against mistaken use of createRoot
const prevRoot = roots.get(canvas);
const prevFiber = prevRoot == null ? void 0 : prevRoot.fiber;
const prevStore = prevRoot == null ? void 0 : prevRoot.store;
if (prevRoot) console.warn('R3F.createRoot should only be called once!');
// Report when an error was detected in a previous render
// https://github.com/pmndrs/react-three-fiber/pull/2261
const logRecoverableError = typeof reportError === 'function' ?
// In modern browsers, reportError will dispatch an error event,
// emulating an uncaught JavaScript error.
reportError :
// In older browsers and test environments, fallback to console.error.
console.error;
// Create store
const store = prevStore || createStore(invalidate, advance);
// Create renderer
const fiber = prevFiber || reconciler.createContainer(store, ConcurrentRoot, null, false, null, '', logRecoverableError, null);
// Map it
if (!prevRoot) roots.set(canvas, {
fiber,
store
});
// Locals
let onCreated;
let configured = false;
let lastCamera;
return {
configure(props = {}) {
let {
gl: glConfig,
size: propsSize,
scene: sceneOptions,
events,
onCreated: onCreatedCallback,
shadows = false,
linear = false,
flat = false,
legacy = false,
orthographic = false,
frameloop = 'always',
dpr = [1, 2],
performance,
raycaster: raycastOptions,
camera: cameraOptions,
onPointerMissed
} = props;
let state = store.getState();
// Set up renderer (one time only!)
let gl = state.gl;
if (!state.gl) state.set({
gl: gl = createRendererInstance(glConfig, canvas)
});
// Set up raycaster (one time only!)
let raycaster = state.raycaster;
if (!raycaster) state.set({
raycaster: raycaster = new THREE.Raycaster()
});
// Set raycaster options
const {
params,
...options
} = raycastOptions || {};
if (!is.equ(options, raycaster, shallowLoose)) applyProps(raycaster, {
...options
});
if (!is.equ(params, raycaster.params, shallowLoose)) applyProps(raycaster, {
params: {
...raycaster.params,
...params
}
});
// Create default camera, don't overwrite any user-set state
if (!state.camera || state.camera === lastCamera && !is.equ(lastCamera, cameraOptions, shallowLoose)) {
lastCamera = cameraOptions;
const isCamera = cameraOptions instanceof THREE.Camera;
const camera = isCamera ? cameraOptions : orthographic ? new THREE.OrthographicCamera(0, 0, 0, 0, 0.1, 1000) : new THREE.PerspectiveCamera(75, 0, 0.1, 1000);
if (!isCamera) {
camera.position.z = 5;
if (cameraOptions) {
applyProps(camera, cameraOptions);
// Preserve user-defined frustum if possible
// https://github.com/pmndrs/react-three-fiber/issues/3160
if ('aspect' in cameraOptions || 'left' in cameraOptions || 'right' in cameraOptions || 'bottom' in cameraOptions || 'top' in cameraOptions) {
camera.manual = true;
camera.updateProjectionMatrix();
}
}
// Always look at center by default
if (!state.camera && !(cameraOptions != null && cameraOptions.rotation)) camera.lookAt(0, 0, 0);
}
state.set({
camera
});
// Configure raycaster
// https://github.com/pmndrs/react-xr/issues/300
raycaster.camera = camera;
}
// Set up scene (one time only!)
if (!state.scene) {
let scene;
if (sceneOptions != null && sceneOptions.isScene) {
scene = sceneOptions;
} else {
scene = new THREE.Scene();
if (sceneOptions) applyProps(scene, sceneOptions);
}
state.set({
scene: prepare(scene)
});
}
// Set up XR (one time only!)
if (!state.xr) {
var _gl$xr;
// Handle frame behavior in WebXR
const handleXRFrame = (timestamp, frame) => {
const state = store.getState();
if (state.frameloop === 'never') return;
advance(timestamp, true, state, frame);
};
// Toggle render switching on session
const handleSessionChange = () => {
const state = store.getState();
state.gl.xr.enabled = state.gl.xr.isPresenting;
state.gl.xr.setAnimationLoop(state.gl.xr.isPresenting ? handleXRFrame : null);
if (!state.gl.xr.isPresenting) invalidate(state);
};
// WebXR session manager
const xr = {
connect() {
const gl = store.getState().gl;
gl.xr.addEventListener('sessionstart', handleSessionChange);
gl.xr.addEventListener('sessionend', handleSessionChange);
},
disconnect() {
const gl = store.getState().gl;
gl.xr.removeEventListener('sessionstart', handleSessionChange);
gl.xr.removeEventListener('sessionend', handleSessionChange);
}
};
// Subscribe to WebXR session events
if (typeof ((_gl$xr = gl.xr) == null ? void 0 : _gl$xr.addEventListener) === 'function') xr.connect();
state.set({
xr
});
}
// Set shadowmap
if (gl.shadowMap) {
const oldEnabled = gl.shadowMap.enabled;
const oldType = gl.shadowMap.type;
gl.shadowMap.enabled = !!shadows;
if (is.boo(shadows)) {
gl.shadowMap.type = THREE.PCFSoftShadowMap;
} else if (is.str(shadows)) {
var _types$shadows;
const types = {
basic: THREE.BasicShadowMap,
percentage: THREE.PCFShadowMap,
soft: THREE.PCFSoftShadowMap,
variance: THREE.VSMShadowMap
};
gl.shadowMap.type = (_types$shadows = types[shadows]) != null ? _types$shadows : THREE.PCFSoftShadowMap;
} else if (is.obj(shadows)) {
Object.assign(gl.shadowMap, shadows);
}
if (oldEnabled !== gl.shadowMap.enabled || oldType !== gl.shadowMap.type) gl.shadowMap.needsUpdate = true;
}
// Safely set color management if available.
// Avoid accessing THREE.ColorManagement to play nice with older versions
const ColorManagement = getColorManagement();
if (ColorManagement) {
if ('enabled' in ColorManagement) ColorManagement.enabled = !legacy;else if ('legacyMode' in ColorManagement) ColorManagement.legacyMode = legacy;
}
if (!configured) {
// Set color space and tonemapping preferences, once
const LinearEncoding = 3000;
const sRGBEncoding = 3001;
applyProps(gl, {
outputEncoding: linear ? LinearEncoding : sRGBEncoding,
toneMapping: flat ? THREE.NoToneMapping : THREE.ACESFilmicToneMapping
});
}
// Update color management state
if (state.legacy !== legacy) state.set(() => ({
legacy
}));
if (state.linear !== linear) state.set(() => ({
linear
}));
if (state.flat !== flat) state.set(() => ({
flat
}));
// Set gl props
if (glConfig && !is.fun(glConfig) && !isRenderer(glConfig) && !is.equ(glConfig, gl, shallowLoose)) applyProps(gl, glConfig);
// Store events internally
if (events && !state.events.handlers) state.set({
events: events(store)
});
// Check size, allow it to take on container bounds initially
const size = computeInitialSize(canvas, propsSize);
if (!is.equ(size, state.size, shallowLoose)) {
state.setSize(size.width, size.height, size.updateStyle, size.top, size.left);
}
// Check pixelratio
if (dpr && state.viewport.dpr !== calculateDpr(dpr)) state.setDpr(dpr);
// Check frameloop
if (state.frameloop !== frameloop) state.setFrameloop(frameloop);
// Check pointer missed
if (!state.onPointerMissed) state.set({
onPointerMissed
});
// Check performance
if (performance && !is.equ(performance, state.performance, shallowLoose)) state.set(state => ({
performance: {
...state.performance,
...performance
}
}));
// Set locals
onCreated = onCreatedCallback;
configured = true;
return this;
},
render(children) {
// The root has to be configured before it can be rendered
if (!configured) this.configure();
reconciler.updateContainer( /*#__PURE__*/jsx(Provider, {
store: store,
children: children,
onCreated: onCreated,
rootElement: canvas
}), fiber, null, () => undefined);
return store;
},
unmount() {
unmountComponentAtNode(canvas);
}
};
}
function render(children, canvas, config) {
console.warn('R3F.render is no longer supported in React 18. Use createRoot instead!');
const root = createRoot(canvas);
root.configure(config);
return root.render(children);
}
function Provider({
store,
children,
onCreated,
rootElement
}) {
useIsomorphicLayoutEffect(() => {
const state = store.getState();
// Flag the canvas active, rendering will now begin
state.set(state => ({
internal: {
...state.internal,
active: true
}
}));
// Notifiy that init is completed, the scene graph exists, but nothing has yet rendered
if (onCreated) onCreated(state);
// Connect events to the targets parent, this is done to ensure events are registered on
// a shared target, and not on the canvas itself
if (!store.getState().events.connected) state.events.connect == null ? void 0 : state.events.connect(rootElement);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
return /*#__PURE__*/jsx(context.Provider, {
value: store,
children: children
});
}
function unmountComponentAtNode(canvas, callback) {
const root = roots.get(canvas);
const fiber = root == null ? void 0 : root.fiber;
if (fiber) {
const state = root == null ? void 0 : root.store.getState();
if (state) state.internal.active = false;
reconciler.updateContainer(null, fiber, null, () => {
if (state) {
setTimeout(() => {
try {
var _state$gl, _state$gl$renderLists, _state$gl2, _state$gl3;
state.events.disconnect == null ? void 0 : state.events.disconnect();
(_state$gl = state.gl) == null ? void 0 : (_state$gl$renderLists = _state$gl.renderLists) == null ? void 0 : _state$gl$renderLists.dispose == null ? void 0 : _state$gl$renderLists.dispose();
(_state$gl2 = state.gl) == null ? void 0 : _state$gl2.forceContextLoss == null ? void 0 : _state$gl2.forceContextLoss();
if ((_state$gl3 = state.gl) != null && _state$gl3.xr) state.xr.disconnect();
dispose(state);
roots.delete(canvas);
if (callback) callback(canvas);
} catch (e) {
/* ... */
}
}, 500);
}
});
}
}
function createPortal(children, container, state) {
return /*#__PURE__*/jsx(Portal, {
children: children,
container: container,
state: state
}, container.uuid);
}
function Portal({
state = {},
children,
container
}) {
/** This has to be a component because it would not be able to call useThree/useStore otherwise since
* if this is our environment, then we are not in r3f's renderer but in react-dom, it would trigger
* the "R3F hooks can only be used within the Canvas component!" warning:
*