playcanvas/build/playcanvas.prf/src/framework/components/zone/component.js

PlayCanvas WebGL game engine

import { Vec3 } from '../../../core/math/vec3.js';
import { Component } from '../component.js';

class ZoneComponent extends Component {
		static{
				this.EVENT_ENABLE = 'enable';
		}
		static{
				this.EVENT_DISABLE = 'disable';
		}
		static{
				this.EVENT_STATE = 'state';
		}
		static{
				this.EVENT_REMOVE = 'remove';
		}
		constructor(system, entity){
				super(system, entity);
				this._oldState = true;
				this._size = new Vec3();
				this.on('set_enabled', this._onSetEnabled, this);
		}
		set size(data) {
				if (data instanceof Vec3) {
						this._size.copy(data);
				} else if (data instanceof Array && data.length >= 3) {
						this.size.set(data[0], data[1], data[2]);
				}
		}
		get size() {
				return this._size;
		}
		onEnable() {
				this._checkState();
		}
		onDisable() {
				this._checkState();
		}
		_onSetEnabled(prop, old, value) {
				this._checkState();
		}
		_checkState() {
				const state = this.enabled && this.entity.enabled;
				if (state === this._oldState) {
						return;
				}
				this._oldState = state;
				this.fire('enable');
				this.fire('state', this.enabled);
		}
		_onBeforeRemove() {
				this.fire('remove');
		}
}

export { ZoneComponent };