basic node server
+ very interesting back and forth in TS/JS configs 🤡
This commit is contained in:
LuckyLaszlo
277
src/client/pong.ts
Normal file
277
src/client/pong.ts
Normal file
@@ -0,0 +1,277 @@
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/* Keys
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Player 1: W/S
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Player 2: Up/Down
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Grid On-Off: G
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*/
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import {Vector, VectorInteger, Rectangle, MovingRectangle, Player, Ball, TextElem, TextNumericValue, Line} from "./class.js";
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// @ts-check
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let gridDisplay = false;
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let ballInPlay = true;
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let pong: gameArea;
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let wall_top: Rectangle;
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let wall_bottom: Rectangle;
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let player1: Player;
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let player2: Player;
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let ball: Ball;
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let score1: TextNumericValue;
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let score2: TextNumericValue;
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let midLine: Line;
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let w_grid_mid: Rectangle;
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let w_grid_u1: Rectangle;
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let w_grid_d1: Rectangle;
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let h_grid_mid: Rectangle;
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let h_grid_u1: Rectangle;
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let h_grid_d1: Rectangle;
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function startGame()
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{
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pong = new gameArea();
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// Const
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const w = pong.canvas.width;
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const h = pong.canvas.height;
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const w_mid = Math.floor(w/2);
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const h_mid = Math.floor(h/2);
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const pw = Math.floor(w/50);
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const ph = pw*5;
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const ballSize = pw;
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const scoreSize = Math.floor(w/16);
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const midLineSize = Math.floor(w/150);
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const wallSize = Math.floor(w/100);
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const gridSize = Math.floor(w/500);
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const playerSpeed = Math.floor(w/75);
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const ballSpeed = Math.floor(w/75);
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let pos = new VectorInteger;
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// Component
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pos.assign(0, 0);
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wall_top = new Rectangle(pong.ctx, pos, "grey", w, wallSize);
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pos.assign(0, h-wallSize);
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wall_bottom = new Rectangle(pong.ctx, pos, "grey", w, wallSize);
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pos.assign(0+pw, h_mid-ph/2);
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player1 = new Player(pong.ctx, pos, "white", pw, ph, playerSpeed);
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pos.assign(w-pw-pw, h_mid-ph/2);
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player2 = new Player(pong.ctx, pos, "white", pw, ph, playerSpeed);
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pos.assign(w_mid-ballSize/2, h_mid-ballSize/2);
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ball = new Ball(pong.ctx, pos, "white", ballSize, ballSpeed);
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ball.dir.assign(-0.8, +0.2);
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pos.assign(w_mid-scoreSize*1.6, scoreSize*1.5);
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score1 = new TextNumericValue(pong.ctx, pos, "white", scoreSize);
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pos.assign(w_mid+scoreSize*1.1, scoreSize*1.5);
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score2 = new TextNumericValue(pong.ctx, pos, "white", scoreSize);
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score1.value = 0;
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score2.value = 0;
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pos.assign(w_mid-midLineSize/2, 0+wallSize);
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midLine = new Line(pong.ctx, pos, "white", midLineSize, h-wallSize*2, 15);
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// Grid
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pos.assign(0, h_mid);
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w_grid_mid = new Rectangle(pong.ctx, pos, "darkgreen", w, gridSize);
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pos.assign(0, h/4);
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w_grid_u1 = new Rectangle(pong.ctx, pos, "darkgreen", w, gridSize);
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pos.assign(0, h-h/4);
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w_grid_d1 = new Rectangle(pong.ctx, pos, "darkgreen", w, gridSize);
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pos.assign(w_mid, 0);
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h_grid_mid = new Rectangle(pong.ctx, pos, "darkgreen", gridSize, h);
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pos.assign(w/4, 0);
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h_grid_u1 = new Rectangle(pong.ctx, pos, "darkgreen", gridSize, h);
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pos.assign(w-w/4, 0);
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h_grid_d1 = new Rectangle(pong.ctx, pos, "darkgreen", gridSize, h);
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// Start
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score1.update(); // first Text draw init the custom font (graphic leftover ortherwise) (a better solution ?)
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drawInit();
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pong.start();
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}
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class gameArea {
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keys: string[];
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interval: number = 0;
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canvas: HTMLCanvasElement;
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ctx: CanvasRenderingContext2D;
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constructor() {
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this.keys = [];
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// this.canvas = {};
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this.canvas = document.createElement("canvas");
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// this.ctx = {};
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this.ctx = this.canvas.getContext("2d") as CanvasRenderingContext2D;
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/* ratio 5/3 (1.66) */
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const ratio = 1.66666;
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this.canvas.width = 1500;
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this.canvas.height = this.canvas.width / ratio;
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let container = document.getElementById("canvas-container");
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if (container)
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container.insertBefore(this.canvas, container.childNodes[0]);
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}
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start() {
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this.interval = window.setInterval(gameLoop, 20);
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window.addEventListener('keydown', function (e) { pong.addKey(e.key); });
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window.addEventListener('keyup', function (e) { pong.deleteKey(e.key); });
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}
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addKey(key: string) {
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key = key.toLowerCase();
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var i = pong.keys.indexOf(key);
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if (i == -1)
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pong.keys.push(key);
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}
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deleteKey(key: string) {
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key = key.toLowerCase();
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var i = pong.keys.indexOf(key);
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if (i != -1)
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pong.keys.splice(i, 1);
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}
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clear() {
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
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}
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stop() {
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clearInterval(this.interval);
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}
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}
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function gameLoop()
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{
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/*
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// I try to clear only what need to be update.
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// Will revert to clear() all if not satisfactory.
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pong.clear();
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*/
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handleInput();
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if (ballInPlay)
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{
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ball.moveAndBounce([wall_top, wall_bottom, player1, player2]);
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if (ball.pos.x > pong.canvas.width) {
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ballInPlay = false;
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score1.clear();
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++score1.value;
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setTimeout(newRound, 1500);
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}
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else if (ball.pos.x < 0 - ball.width) {
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ballInPlay = false;
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score2.clear();
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++score2.value;
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setTimeout(newRound, 1500);
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}
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}
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draw();
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}
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function newRound()
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{
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// https://fr.wikipedia.org/wiki/Tennis_de_table#Nombre_de_manches
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if (score1.value >= 11
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|| score2.value >= 11)
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{
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if (Math.abs(score1.value - score2.value) >= 2)
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{
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if (score1.value > score2.value) {
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alert("Player 1 WIN");
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}
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else {
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alert("Player 2 WIN");
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}
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return;
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}
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}
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ball.pos.x = pong.canvas.width/2;
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ball.pos.y = (pong.canvas.height * 0.1) + Math.floor(random() * (pong.canvas.height * 0.8));
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ball.speed = ball.baseSpeed;
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ballInPlay = true;
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}
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function random(min: number = 0, max: number = 1) {
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return Math.random() * (max - min) + min;
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}
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function draw()
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{
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if (gridDisplay) {
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drawGrid();
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}
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midLine.update();
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score1.update();
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score2.update();
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}
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function drawStatic()
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{
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wall_top.update();
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wall_bottom.update();
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midLine.update();
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}
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function drawInit()
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{
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pong.clear();
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drawStatic();
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player1.update();
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player2.update();
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}
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function drawGrid()
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{
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w_grid_mid.update();
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w_grid_u1.update();
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w_grid_d1.update();
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h_grid_mid.update();
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h_grid_u1.update();
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h_grid_d1.update();
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}
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function handleInput()
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{
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var keys = pong.keys;
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if (keys.length == 0)
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return;
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if (keys.indexOf("g") != -1)
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{
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if (gridDisplay)
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{
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pong.clear();
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drawStatic();
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}
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gridDisplay = !gridDisplay;
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pong.deleteKey("g");
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}
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playerMove(keys);
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}
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function playerMove(keys: string[])
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{
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player1.dir.y = 0;
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if (keys.indexOf("w") != -1) {
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player1.dir.y += -1;
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}
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if (keys.indexOf("s") != -1) {
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player1.dir.y += 1;
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}
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player1.moveAndCollide([wall_top, wall_bottom]);
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player2.dir.y = 0;
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if (keys.indexOf("ArrowUp".toLowerCase()) != -1) {
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player2.dir.y += -1;
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}
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if (keys.indexOf("ArrowDown".toLowerCase()) != -1) {
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player2.dir.y += 1;
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}
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player2.moveAndCollide([wall_top, wall_bottom]);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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startGame();
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