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Game Loop refactoring #127

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Game Loop refactoring #127

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41 changes: 23 additions & 18 deletions src/engine/gameLoop.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,16 @@ import IOC from './ioc/ioc';
import MessageBus from './messageBus/messageBus';

import { SCENE_PROVIDER_KEY_NAME, SECTIONS } from 'engine/consts/global';
const MS_PER_UPDATE = 1000 / 60;
const MS_PER_UPDATE = 1000 / 50;

class GameLoop {
constructor() {
this.gameLoopId = null;

this.sceneProvider = IOC.resolve(SCENE_PROVIDER_KEY_NAME);
this.messageBus = new MessageBus();

this.bindedTick = this.tick.bind(this);
}

_processSection(sectionName, options) {
Expand Down Expand Up @@ -45,28 +47,31 @@ class GameLoop {
this.messageBus.restore();
}

run() {
this.previous = undefined;
this.lag = MS_PER_UPDATE;
tick() {
const current = performance.now();

const that = this;
this.gameLoopId = requestAnimationFrame(function tick(current) {
that.previous = that.previous || current;
const elapsed = current - this.previous;
this.lag += elapsed;

const elapsed = current - that.previous;
that.previous = current;
that.lag += elapsed;
this.messageBus.restore();
this.messageBus.sendDelayed();

that.messageBus.restore();
that.messageBus.sendDelayed();
this._processSection(SECTIONS.EVENT_PROCESS_SECTION_NAME);
this._gameStateUpdate();
this._processSection(SECTIONS.RENDERING_SECTION_NAME, { deltaTime: elapsed });

that._processSection(SECTIONS.EVENT_PROCESS_SECTION_NAME);
that._gameStateUpdate();
that._processSection(SECTIONS.RENDERING_SECTION_NAME, { deltaTime: elapsed });
this.messageBus.clear();

that.messageBus.clear();
that.gameLoopId = requestAnimationFrame(tick);
});
this.previous = current;

this.gameLoopId = requestAnimationFrame(this.bindedTick);
}

run() {
this.previous = performance.now();
this.lag = 0;

this.gameLoopId = requestAnimationFrame(this.bindedTick);
}

stop() {
Expand Down