@woosh/meep-engine/src/engine/graphics/ecs/highlight/Highlight.js

Pure JavaScript game engine. Fully featured and production ready.

import List from "../../../../core/collection/list/List.js";
import { HighlightDefinition } from "./HighlightDefinition.js";

class Highlight {

    /**
     *
     * @type {List<HighlightDefinition>}
     */
    elements = new List();

    /**
     *
     * @param {HighlightDefinition} def
     */
    add(def) {
        this.elements.add(def);
    }

    /**
     *
     * @param {HighlightDefinition} def
     * @returns {boolean}
     */
    remove(def) {
        return this.elements.removeOneOf(def);
    }

    /**
     *
     * @returns {HighlightDefinition}
     */
    createElement() {
        const el = new HighlightDefinition();

        this.add(el);

        return el;
    }

    /**
     *
     * @param {Highlight} other
     * @return {boolean}
     */
    equals(other) {
        if(other === null || other === undefined){
            return false;
        }

        return this.elements.equals(other.elements);
    }

    /**
     *
     * @return {number}
     */
    hash() {
        return this.elements.hash();
    }

    toJSON() {
        return {
            elements: this.elements.toJSON()
        };
    }

    fromJSON({ elements = [] }) {
        this.elements.fromJSON(elements, HighlightDefinition);
    }

    /**
     *
     * @param {number} r
     * @param {number} g
     * @param {number} b
     * @param {number} a
     */
    static fromOne(r, g, b, a = 1) {
        const result = new Highlight();

        const el = result.createElement();

        el.color.setRGB(r, g, b);
        el.opacity = a;

        return result;
    }

    /**
     *
     * @param json
     * @returns {Highlight}
     */
    static fromJSON(json) {
        const r = new Highlight();

        r.fromJSON(json);

        return r;
    }
}

Highlight.typeName = "Highlight";

export default Highlight;