viewer/sectionplaneset.js

import * as vec3 from "./glmatrix/vec3.js";

import {SectionPlane} from "./sectionplane.js"

export class SectionPlaneSet {
    constructor(args) {
        this.viewer = args.viewer;
        this.planes = new Array(args.n);
        this.buffer = new Float32Array(4 * this.planes.length);
        for (let i = 0; i < args.n; ++i) {
            this.planes[i] = new SectionPlane({viewer: this.viewer, buffer: this.buffer.subarray(i * 4, i * 4 + 4)});
            this.planes[i].index = i;
        }
	    this.index = 0;
    }

    tempRestore() {
        this.planes.forEach(s => s.tempRestore());
    }

    tempDisable() {
        this.planes.forEach(s => s.tempDisable());
    }

    disable() {
        this.planes.forEach(s => s.disable());
    }

    firstPred(pred) {
        let ps = this.planes.filter(pred);
        return ps.length ? ps[0] : null;
    }

    firstDisabledOrParallelTo(norm) {
        return this.firstPred(p => { return p.isDisabled || vec3.dot(p.values, norm) > 0.999; });
    }

    firstDisabled(norm) {
        return this.firstPred(p => { return p.isDisabled; });
    }
}