react-native-filament
Version:
A real-time physically based 3D rendering engine for React Native
123 lines (120 loc) • 5.78 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Model = Model;
exports.ModelRenderer = ModelRenderer;
var _react = _interopRequireWildcard(require("react"));
var _useModel = require("../hooks/useModel");
var _getAssetFromModel = require("../utilities/getAssetFromModel");
var _useFilamentContext = require("../hooks/useFilamentContext");
var _Logger = require("../utilities/logger/Logger");
var _TouchHandlerContext = require("./TouchHandlerContext");
var _useApplyTransformations = require("../hooks/internal/useApplyTransformations");
var _TransformProps = require("../types/TransformProps");
var _ParentInstancesContext = require("./ParentInstancesContext");
var _useConfigureAssetShadow = require("../hooks/useConfigureAssetShadow");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
// Props we need for loading the model
/**
* Loads a model from the given source.
*
*
* If you are passing in a `.glb` model or similar from your app's bundle using `require(..)`, make sure to add `glb` as an asset extension to `metro.config.js`!
* If you are passing in a `{ uri: ... }`, make sure the URL points directly to a `.glb` model. This can either be a web URL (`http://..`/`https://..`), a local file (`file://..`), or an native asset path (`path/to/asset.glb`)
*/
function Model({
source,
...restProps
}) {
const [_transformProps, modelProps] = (0, _TransformProps.extractTransformationProps)(restProps);
const model = (0, _useModel.useModel)(source, modelProps);
return /*#__PURE__*/_react.default.createElement(ModelRenderer, _extends({
model: model
}, restProps));
}
/**
* Renders a model that was loaded with `useModel`.
* Always prefer the `Model` component, except when you explicitly need to access the model instance imperatively.
*/
function ModelRenderer({
model,
onPress,
children,
...restProps
}) {
const [transformProps] = (0, _TransformProps.extractTransformationProps)(restProps);
const asset = (0, _getAssetFromModel.getAssetFromModel)(model);
const boundingBox = model.state === 'loaded' ? model.boundingBox : undefined;
const rootEntity = model.state === 'loaded' ? model.rootEntity : undefined;
(0, _useApplyTransformations.useApplyTransformations)({
transformProps: transformProps,
to: rootEntity,
aabb: boundingBox
});
const renderableEntities = (0, _react.useMemo)(() => {
// The entities are only needed for touch events, so only load them if a touch handler is provided
if (asset == null || onPress == null) return [];
return asset.getRenderableEntities();
}, [asset, onPress]);
const {
view,
renderableManager
} = (0, _useFilamentContext.useFilamentContext)();
const onTouchStart = (0, _react.useCallback)(async event => {
if (renderableEntities == null || onPress == null) return;
const {
locationX,
locationY
} = event.nativeEvent;
const entity = await view.pickEntity(locationX, locationY);
_Logger.Logger.debug('Picked entity', entity, 'at', locationX, locationY);
if (entity == null) {
_Logger.Logger.debug('No entity was picked');
return;
}
// Check if the model was picked
for (const renderableEntity of renderableEntities) {
if ((entity === null || entity === void 0 ? void 0 : entity.id) === renderableEntity.id) {
console.log('entity', entity.id, 'renderableEntity', renderableEntity.id);
onPress(entity, renderableEntities);
return;
}
}
_Logger.Logger.debug('No renderable entity of the model was picked:', renderableEntities);
}, [onPress, renderableEntities, view]);
const {
addTouchHandler
} = (0, _react.useContext)(_TouchHandlerContext.TouchHandlerContext);
(0, _react.useEffect)(() => {
if (onPress == null) return;
const id = Math.random().toString(36).substring(7);
_Logger.Logger.debug('Adding touch handler', id);
const removeHandler = addTouchHandler(onTouchStart);
return () => {
_Logger.Logger.debug('Removing touch handler', id);
removeHandler();
};
}, [addTouchHandler, onPress, onTouchStart]);
const instances = (0, _react.useMemo)(() => {
if (asset === undefined) {
return null;
}
return asset.getAssetInstances();
}, [asset]);
(0, _useConfigureAssetShadow.useConfigureAssetShadow)({
renderableManager,
asset,
castShadow: restProps.castShadow,
receiveShadow: restProps.receiveShadow
});
if (asset == null) {
return null;
}
return /*#__PURE__*/_react.default.createElement(_ParentInstancesContext.ParentInstancesContext.Provider, {
value: instances
}, children);
}
//# sourceMappingURL=Model.js.map