124 lines
3.3 KiB
JavaScript
124 lines
3.3 KiB
JavaScript
/* global $ */
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var Player = require("./player.js");
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var renderer = require("./game-renderer.js");
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var consts = require("./game-consts.js");
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/**
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* Provides requestAnimationFrame in a cross browser way.
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* @author paulirish / http://paulirish.com/
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*/
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// window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
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// window.setTimeout( callback, 1000 / 60 );
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// };
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if ( !window.requestAnimationFrame ) {
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window.requestAnimationFrame = ( function() {
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return window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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window.oRequestAnimationFrame ||
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window.msRequestAnimationFrame ||
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function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
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window.setTimeout( callback, 1000 / 60 );
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};
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})();
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}
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$(function() {
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var GRID_SIZE = consts.GRID_SIZE;
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var CELL_WIDTH = consts.CELL_WIDTH;
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var canvas = $("#main-ui")[0];
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var ctx2 = canvas.getContext('2d');
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var grid = renderer.grid;
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renderer.allowAnimation = true;
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//Load players.
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for (var p = 0; p < 9; p++)
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{
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//TODO: socket loading.
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var pRow = getRandomInt(0, GRID_SIZE);
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var pCol = getRandomInt(0, GRID_SIZE);
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var sdata = {
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posX: pCol * CELL_WIDTH,
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posY: pRow * CELL_WIDTH,
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currentHeading: getRandomInt(0, 4),
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//name: ...,
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num: p
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};
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renderer.addPlayer(new Player(true, grid, sdata));
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for (var dr = -1; dr <= 1; dr++)
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for (var dc = -1; dc <= 1; dc++)
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if (!grid.isOutOfBounds(dr + pRow, dc + pCol))
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grid.set(dr + pRow, dc + pCol, renderer.getPlayer(p));
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}
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//Load grid.
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for (var r = 0; r < grid.size; r++)
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{
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for (var c = 0; c < grid.size; c++)
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{
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//TODO: load data.
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//if (Math.random() > .9)
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// grid.set(r, c, players[getRandomInt(0, players.length)]);
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}
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}
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var frameCount = 0;
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//TODO: current player index
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var user = renderer.getPlayer(0);
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renderer.initUser(user);
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function update()
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{
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renderer.update();
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}
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//Thanks to https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random
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function getRandomInt(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min)) + min;
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}
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function paintLoop(ctx)
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{
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renderer.paint(ctx); //TODO: pre-rendering.
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//TODO: sync each loop with server. (server will give frame count.)
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frameCount++;
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update();
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requestAnimationFrame(paintLoop);
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}
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paintLoop(ctx2);
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//Event listeners
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$(document).keydown(function(e) {
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if (user.dead)
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return;
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var newHeading = -1;
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switch (e.which)
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{
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case 37: newHeading = 3; break; //LEFT
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case 38: newHeading = 0; break; //UP
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case 39: newHeading = 1; break; //RIGHT
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case 40: newHeading = 2; break; //DOWN
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default: return; //exit handler for other keys.
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}
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if (newHeading === user.currentHeading || ((newHeading % 2 === 0) ^
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(user.currentHeading % 2 === 0)))
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{
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//TODO: notify server.
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user.heading = newHeading;
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}
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e.preventDefault();
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});
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});
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