web-ifc-viewer/dist/components/context/raycaster.js

IFC viewer

import { Raycaster } from 'three';
import { IfcComponent } from '../../base-types';
export class IfcRaycaster extends IfcComponent {
    constructor(context) {
        super(context);
        this.context = context;
        this.raycaster = new Raycaster();
    }
    dispose() {
        this.raycaster = null;
        this.context = null;
    }
    castRay(items) {
        const camera = this.context.getCamera();
        this.raycaster.setFromCamera(this.context.mouse.position, camera);
        return this.raycaster.intersectObjects(items);
    }
    castRayIfc() {
        const items = this.castRay(this.context.items.pickableIfcModels);
        const filtered = this.filterClippingPlanes(items);
        return filtered.length > 0 ? filtered[0] : null;
    }
    filterClippingPlanes(objs) {
        const planes = this.context.getClippingPlanes();
        if (objs.length <= 0 || !planes || (planes === null || planes === void 0 ? void 0 : planes.length) <= 0)
            return objs;
        // const planes = this.clipper?.planes.map((p) => p.plane);
        return objs.filter((elem) => planes.every((elem2) => elem2.distanceToPoint(elem.point) > 0));
    }
}
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