react-native-filament/lib/module/hooks/useConfigureAssetShadow.js

A real-time physically based 3D rendering engine for React Native

import { useEffect, useMemo, useRef } from 'react';
import { useFilamentContext } from './useFilamentContext';
export function useConfigureAssetShadow({
  renderableManager,
  asset,
  receiveShadow,
  castShadow
}) {
  const {
    workletContext
  } = useFilamentContext();
  const renderableEntities = useMemo(() => asset === null || asset === void 0 ? void 0 : asset.getRenderableEntities(), [asset]);
  const prevCastShadowRef = useRef();
  useEffect(() => {
    if (renderableEntities == null || castShadow == null || prevCastShadowRef.current === castShadow) {
      return;
    }
    prevCastShadowRef.current = castShadow;
    workletContext.runAsync(() => {
      'worklet';

      renderableEntities.forEach(entity => {
        renderableManager.setCastShadow(entity, castShadow);
      });
    });
  }, [castShadow, renderableManager, renderableEntities, workletContext]);
  const prevReceiveShadowRef = useRef();
  useEffect(() => {
    if (renderableEntities == null || receiveShadow == null || prevReceiveShadowRef.current === receiveShadow) {
      return;
    }
    prevReceiveShadowRef.current = receiveShadow;
    workletContext.runAsync(() => {
      'worklet';

      renderableEntities.forEach(entity => {
        renderableManager.setReceiveShadow(entity, receiveShadow);
      });
    });
  }, [receiveShadow, renderableEntities, renderableManager, workletContext]);
}
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