@erikyuzwa/rogue-punk/dist-es/Stage.js

a JavaScript library to help you build your roguelike adventures

import * as ROT from 'rot-js';
export class Stage {
    constructor(options) {
        this.options = { ...options };
        this.width = options.width || 60;
        this.height = options.height || 30;
        this.id = options.id || 'stage';
        this.display = new ROT.Display(this.options);
        this.displayContainer = null;
        this.cameraTarget = null;
        this.center = null;
        this.setDimensions(this.width, this.height);
        this.attachToElement();
    }
    setDimensions(x, y) {
        this.width = x;
        this.height = y;
        this.center.x = Math.round(x / 2);
        this.center.y = Math.round(y / 2);
    }
    attachToElement() {
        this.displayContainer = document.getElementById(this.id);
        this.displayContainer.appendChild(this.display.getContainer());
    }
    getDisplay() {
        return this.display;
    }
    clear() {
        this.display.clear();
    }
    setCameraTarget(cameraTarget) {
        this.cameraTarget = cameraTarget;
    }
    draw(x, y, glyph, fgColor, bgColor) {
        if (this.cameraTarget) {
            x += (this.center.x - this.cameraTarget.x);
            y += (this.center.y - this.cameraTarget.y);
        }
        return this.display.draw(x, y, glyph, fgColor, bgColor);
    }
}