lingo3d/lib/memo/castShadowChanged.js

Lingo3D is a React/Vue 3d game development framework that ships with a complete visual editor

import computePerFrame from "./utils/computePerFrame";
const castShadowCache = new WeakMap();
export const castShadowChanged = computePerFrame((target) => {
    const { castShadow } = target;
    const castShadowOld = castShadowCache.get(target);
    const result = castShadow !== castShadowOld;
    castShadowCache.set(target, castShadow);
    return result;
});
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