lingo3d/lib/engine/raycast/raycastPlay.js

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

import { createEffect } from "@lincode/reactivity";
import { getWorldPlayComputed } from "../../states/useWorldPlayComputed";
import { clearMultipleSelectionTargets } from "../../states/useMultipleSelectionTargets";
import { setSelectionTarget } from "../../states/useSelectionTarget";
import attachRaycastEvent from "./attachRaycastEvent";
import { clickSet, mouseDownSet, mouseUpSet, mouseOverSet, mouseOutSet, mouseMoveSet } from "../../collections/mouseSets";
import { onMouseClick } from "../../events/onMouseClick";
import { onMouseDown } from "../../events/onMouseDown";
import { onMouseUp } from "../../events/onMouseUp";
import { onMouseMove } from "../../events/onMouseMove";
import { selectionTargetPtr } from "../../pointers/selectionTargetPtr";
createEffect(() => {
    if (!getWorldPlayComputed())
        return;
    const [selectionTargetBackup] = selectionTargetPtr;
    clearMultipleSelectionTargets();
    setSelectionTarget(undefined);
    const handle0 = attachRaycastEvent(onMouseClick, clickSet, (obj, e) => obj.onClick?.(e));
    const handle1 = attachRaycastEvent(onMouseDown, mouseDownSet, (obj, e) => obj.onMouseDown?.(e));
    const handle2 = attachRaycastEvent(onMouseUp, mouseUpSet, (obj, e) => obj.onMouseUp?.(e));
    let moveSet = new Set();
    let moveSetOld = new Set();
    const handle3 = attachRaycastEvent(onMouseMove, mouseOverSet, (obj, e) => {
        moveSet.add(obj);
        obj.userData.eMove = e;
    });
    const handle4 = attachRaycastEvent(onMouseMove, mouseOutSet, (obj, e) => {
        moveSet.add(obj);
        obj.userData.eMove = e;
    });
    const handle5 = attachRaycastEvent(onMouseMove, mouseMoveSet, (obj, e) => {
        moveSet.add(obj);
        obj.userData.eMove = e;
    });
    const handle6 = onMouseMove(() => {
        for (const obj of moveSet) {
            if (!moveSetOld.has(obj))
                obj.onMouseOver?.(obj.userData.eMove);
            obj.onMouseMove?.(obj.userData.eMove);
        }
        for (const obj of moveSetOld)
            if (!moveSet.has(obj))
                obj.onMouseOut?.(obj.userData.eMove);
        moveSetOld = moveSet;
        moveSet = new Set();
    });
    return () => {
        handle0.cancel();
        handle1.cancel();
        handle2.cancel();
        handle3.cancel();
        handle4.cancel();
        handle5.cancel();
        handle6.cancel();
        !selectionTargetPtr[0] && setSelectionTarget(selectionTargetBackup);
    };
}, [getWorldPlayComputed]);
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