avocado-old/packages/entity/traits/graphical.js

54 lines
1.1 KiB
JavaScript

import {compose} from '@avocado/core';
import {hasGraphics, Container} from '@avocado/graphics';
import {simpleState, Trait} from '../trait';
const decorate = compose(
);
class GraphicalBase extends Trait {
static defaultParams() {
return {
trackPosition: true,
};
}
static defaultState() {
return {};
}
constructor(...args) {
super(...args);
if (hasGraphics) {
this._container = new Container();
}
}
get container() {
return this._container;
}
listeners() {
const listeners = {};
const trackPosition = this.params.get('trackPosition');
if (trackPosition && hasGraphics) {
listeners.traitAdded = (trait) => {
if ('positioned' === trait.constructor.type()) {
this.entity.container.position = this.entity.position;
}
};
listeners.xChanged = (x) => {
this.entity.container.x = x;
};
listeners.yChanged = (y) => {
this.entity.container.y = y;
};
}
return listeners;
}
}
export class Graphical extends decorate(GraphicalBase) {}