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instructions-clear/src/index.js
T

112 lines
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JavaScript

import express from 'express'
import { WebSocketExpress } from 'websocket-express'
import Game from './game.js'
import Entity from './entity.js'
import Terrain from './terrain.js'
const app = new WebSocketExpress()
const port = 1280
const game = new Game()
app.use('/', express.static('public'))
app.use('/three/', express.static('node_modules/three'))
app.use(express.urlencoded({ extended: true }))
app.ws('/ws', async (req, res) => {
const websocket = await res.accept()
const subscription = () => websocket.send(JSON.stringify(game.state()))
game.eventEmitter.on('tick', subscription)
websocket.on('close', () => {
game.eventEmitter.removeListener('tick', subscription)
})
websocket.on('message', (rawData) => {
const message = JSON.parse(rawData)
const entity = message.id != null ? game.entities.find((e) => e.id == message.id) : null
console.log(message)
if (message.action == 'teleport') {
entity.teleport(message.x, message.y)
}
if (message.action == 'move') {
entity.moveAction(message.x, message.y)
}
})
})
app.listen(port, () => {
console.log(`Server started! Visit http://localhost:${port}`)
const entity1 = new Entity()
entity1.id = '1'
entity1.teleport(200, 500)
entity1.radius = 50
game.spawn_entity(entity1)
const entity2 = new Entity()
entity2.id = '2'
entity2.teleport(110, 110)
entity2.radius = 50
game.spawn_entity(entity2)
const horseshoe = new Terrain([
{ x: 400, y: 200 },
{ x: 600, y: 200 },
{ x: 700, y: 300 },
{ x: 650, y: 600 },
{ x: 400, y: 600 },
{ x: 400, y: 450 },
{ x: 600, y: 500 },
{ x: 600, y: 300 },
{ x: 400, y: 300 },
])
horseshoe.id = 'horseshoe'
game.add_terrain(horseshoe)
const stopsign = new Terrain([
{ x: 800, y: 800 },
{ x: 900, y: 900 },
{ x: 900, y: 1000 },
{ x: 800, y: 1100 },
{ x: 800, y: 1100 },
{ x: 700, y: 1100 },
{ x: 600, y: 1000 },
{ x: 600, y: 900 },
{ x: 700, y: 800 },
])
stopsign.id = 'stopsign'
game.add_terrain(stopsign)
const box = new Terrain([
{ x: 1200, y: 700 },
{ x: 1200, y: 800 },
{ x: 1300, y: 800 },
{ x: 1300, y: 700 },
])
box.id = 'box'
game.add_terrain(box)
const diamond = new Terrain([
{ x: 1000, y: 300 },
{ x: 1100, y: 400 },
{ x: 1000, y: 500 },
{ x: 900, y: 400 },
])
diamond.id = 'diamond'
game.add_terrain(diamond)
const pole = new Terrain([
{ x: 400, y: 1000 },
{ x: 410, y: 1000 },
{ x: 410, y: 1010 },
{ x: 400, y: 1010 },
])
pole.id = 'pole'
game.add_terrain(pole)
game.start()
})