mylingo3d/lib/display/utils/pointerToWorld.js

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

import { Point3d } from "@lincode/math";
import { scaleDown } from "../../engine/constants";
import { LingoMouseEvent } from "../../interface/IMouse";
import { getCameraPointerLock } from "../../states/useCameraPointerLock";
import { getCameraRendered } from "../../states/useCameraRendered";
import getWorldPosition from "./getWorldPosition";
import normalizeClientPosition from "./normalizeClientPosition";
import { vector3 } from "./reusables";
import { vec2Point } from "./vec2Point";
export default (ev) => {
    const distance = 500;
    const [xNorm, yNorm, clientX, clientY] = normalizeClientPosition(ev.clientX, ev.clientY);
    if (getCameraPointerLock())
        return new LingoMouseEvent(clientX, clientY, 0, 0, new Point3d(0, 0, 0), distance, undefined);
    const camera = getCameraRendered();
    vector3.set(xNorm, yNorm, 0.5);
    vector3.unproject(camera);
    const cameraPosition = getWorldPosition(camera);
    vector3.sub(cameraPosition).normalize();
    const vec = cameraPosition.add(vector3.multiplyScalar(distance * scaleDown));
    return new LingoMouseEvent(clientX, clientY, xNorm, yNorm, vec2Point(vec), distance, undefined);
};
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