Dwinzo_dev/app/src/store/simulation/useSimulationStore.ts

import { create } from 'zustand';
import { immer } from 'zustand/middleware/immer';
import * as THREE from 'three';

interface SelectedEventSphereState {
    selectedEventSphere: THREE.Mesh | null;
    setSelectedEventSphere: (mesh: THREE.Mesh | null) => void;
    clearSelectedEventSphere: () => void;
}

export const useSelectedEventSphere = create<SelectedEventSphereState>()(
    immer((set) => ({
        selectedEventSphere: null,
        setSelectedEventSphere: (mesh) => {
            set((state) => {
                state.selectedEventSphere = mesh;
            });
        },
        clearSelectedEventSphere: () => {
            set((state) => {
                state.selectedEventSphere = null;
            });
        },
    }))
);