d-zone/web/script/props/beacon.js

An ambient life simulation driven by the user activity within a Discord server

'use strict';
var inherits = require('inherits');
var WorldObject = require('./../engine/worldobject.js');
var BetterCanvas = require('./../common/bettercanvas.js');
var Sheet = require('./sheet.js');

module.exports = Beacon;
inherits(Beacon, WorldObject);

function Beacon(x,y,z) {
    WorldObject.call(this, {
        position: { x: x, y: y, z: z },
        pixelSize: { x: 15, y: 16, z: 45 },
        height: 2.5
    });
    //console.log('beacon:',this.position);
    this.unWalkable = true;
    var self = this;
    this.on('draw',function(canvas) {
        if(self.exists) canvas.drawEntity(self);
    });
    this.imageName = 'props';
    this.sheet = new Sheet('beacon');
    this.sprite.metrics = this.sheet.map.main;
}

Beacon.prototype.addToGame = function(game) {
    WorldObject.prototype.addToGame.call(this, game);
    this.game.on('update', this.onUpdate.bind(this));
    this.drawSprite();
};

Beacon.prototype.drawSprite = function() {
    var canvas = new BetterCanvas(this.sheet.map.main.w,this.sheet.map.main.h);
    canvas.drawImage(this.game.renderer.images[this.imageName],
        this.sheet.map.main.x, this.sheet.map.main.y, this.sheet.map.main.w, this.sheet.map.main.h,
        0, 0, this.sheet.map.main.w, this.sheet.map.main.h);
    if(this.pinging) {
        canvas.drawImage(this.game.renderer.images[this.imageName],
            this.sheet.map.light.x, this.sheet.map.light.y, this.sheet.map.light.w, this.sheet.map.light.h,
            this.sheet.map.light.ox, 0, this.sheet.map.light.w, this.sheet.map.light.h,this.pinging/100);
    }
    this.sprite.image = canvas.canvas;
};

Beacon.prototype.onUpdate = function() {
    if(this.pinging) {
        this.pinging = Math.max(0,this.pinging-1);
        this.drawSprite();
    }
};

Beacon.prototype.ping = function() {
    this.pinging = 100;
};