142 lines
2.9 KiB
JavaScript
142 lines
2.9 KiB
JavaScript
'use strict';
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const Physics = require('./physics.js');
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const Ship = require('./ship.js');
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const Spawner = require('./spawner.js');
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class World {
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constructor(room) {
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this.physics = new Physics();
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this.spawner = new Spawner(this);
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this.bodies = new Set();
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this.structures = new Set();
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this.asteroids = new Set();
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this.missiles = new Set();
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this.ships = new Map();
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this.players = new Set();
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this.room = room;
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this.tps = 0;
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this.tpsCount = 0;
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this.tpsStart = Date.now();
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this.tickCount = 0;
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this.bounds = {
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left: -5,
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right: 50,
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top: -15,
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bottom: 15
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}
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}
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addPlayer(player) {
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this.players.add(player);
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let pos = {
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x: player.team == 'b' ? 200 : 0,
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y: 0
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};
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let ship = new Ship(this, pos, player);
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player.ship = ship;
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this.addShip(ship);
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}
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addShip(ship) {
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this.ships.set(ship.player, ship);
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this.addBody(ship);
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}
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addAsteroid(asteroid) {
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this.asteroids.add(asteroid);
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this.addBody(asteroid);
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}
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addMissile(missile) {
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this.missiles.add(missile);
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this.addBody(missile);
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}
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addBody(body) {
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this.bodies.add(body);
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this.physics.createBody(body);
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this.room.broadcast('create', body.packFull());
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}
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applyDelta(body, data) {
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this.players.forEach(player => player.delta[body] = data);
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}
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explosion(pos, power) {
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var rays = Array(50).fill().map((_, i) => {
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let a = Math.PI * i / 25;
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let x = pos.x + Math.cos(a) * Math.sqrt(power);
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let y = pos.y + Math.sin(a) * Math.sqrt(power);
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return this.physics.raycast(pos, { x : x, y: y }, (body, point, dis) => {
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dis = Math.max(dis, 0.5);
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let force = power * (1 / dis) * (1 / dis);
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body.applyForce(x * force, y * force, point);
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});
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});
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}
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populate() {
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for (var i = 0; i < 40; i++) {
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let pos = {
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x: Math.random() * 2000 - 200,
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y: Math.random() * 500 - 250
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};
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this.spawner.spawnAsteroid(pos.x, pos.y,Math.random() * 50 + 10);
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}
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}
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removePlayer(player) {
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this.removeBody(player.ship);
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this.ships.delete(player);
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this.players.delete(player);
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}
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removeBody(body) {
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this.physics.remove(body);
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this.bodies.delete(body);
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this.ships.delete(body);
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this.structures.delete(body);
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this.asteroids.delete(body);
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this.missiles.delete(body);
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this.room.broadcast('destroy', body.id);
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}
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start() {
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this.interval = setInterval(_ => this.tick(this), 1000 / 60);
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}
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stop() {
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clearInterval(this.interval);
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}
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tick(self) {
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self.physics.step();
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let tickBodies = (set, interval) => {
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set.forEach(body => {
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if (this.tickCount % interval == 0)
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body.applyDelta();
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body.tick();
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});
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};
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tickBodies(self.ships, 1);
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tickBodies(self.asteroids, 4);
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tickBodies(self.missiles, 1);
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if (Date.now() - this.tpsStart > 5000) {
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this.tps = this.tpsCount / 5 | 0;
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this.tpsCount = 0;
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this.tpsStart = Date.now();
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//console.log('TPS: ' + this.tps);
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}
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this.tpsCount++;
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this.tickCount++;
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}
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}
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module.exports = World;
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