109 lines
2.5 KiB
JavaScript
109 lines
2.5 KiB
JavaScript
var factorys = []
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var items = []
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var time = 0
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var timestep = 1000 / 48
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var delta = 0
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var lastFrameTimeMs = 0
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var ctx = {}
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var currentFactory = 0
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var fulltime = 0
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$(document).ready(function() {
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loadGameData()
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loadItems()
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prepairRender()
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requestAnimationFrame(loop)
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})
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function loadGameData() {
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//TODO: Check for Cookies
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factorys.push(new Factory())
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}
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function loadItems() {
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var itemRequest = new XMLHttpRequest();
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itemRequest.open('GET', 'js/items.json', false)
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itemRequest.send(null)
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var json = JSON.parse(itemRequest.responseText)
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items = json.items
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}
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function loop(timestamp) {
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//Check Gametick Rate
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if (timestamp < lastFrameTimeMs + (1000 / 48)) {
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requestAnimationFrame(loop)
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return;
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}
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delta += timestamp - lastFrameTimeMs;
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lastFrameTimeMs = timestamp;
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var numUpdateSteps = 0
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while (delta >= timestep) {
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gametick(timestep)
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delta -= timestep
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if (++numUpdateSteps >= 240) {
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delta = 0
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break;
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}
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}
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render();
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requestAnimationFrame(loop);
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}
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function gametick(timestep) {
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//time gibt an in den Wievielten von 40 Ticks man sich befindet
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time++
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time = time % 48
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//Wird 40 mal in einer Sekunde aufgerufen
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for (var i = 0; i < factorys.length; i++) {
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factorys[i].moveItems()
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}
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if (time % 24 == 0) {
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for (var i = 0; i < factorys.length; i++) {
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factorys[i].workTiles()
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}
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}
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}
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function render() {
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fulltime++
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ctx.clearRect(0, 0, innerWidth, innerHeight)
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var tilesToRender = factorys[currentFactory].getTiles()
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//Hier wird das Spiel gerendert
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//RENDER TILE-LAYER0
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for (var i = 0; i < tilesToRender.length; i++) {
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var tile = tilesToRender[i]
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var img = new Image
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img.src = "images/tiles/"+tile.name+"0"+tile.nextFrame(fulltime)+".png"
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img.style = "-ms-transform: rotate("+directions[tile.direction].degree+"deg);-webkit-transform: rotate("+directions[tile.direction].degree+"deg);transform: rotate("+directions[tile.direction].degree+"deg);"
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ctx.drawImage(img,tile.x*48,tile.y*48,48,48)
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}
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//RENDER Items
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for (var i = 0; i < factorys[currentFactory].items.length; i++) {
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var item = factorys[currentFactory].items[i]
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var img = new Image
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img.src = "images/items/" + getItemFormId(item.id).name + ".png"
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ctx.drawImage(img, item.x, item.y, 48, 48)
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}
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//RENDER TILE-LAYER1
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}
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function getItemFormId(id) {
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for (var i = 0; i < items.length; i++) {
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if (items[i].id == id) {
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return items[i]
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}
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}
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}
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function prepairRender() {
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var canvas = $('canvas')[0];
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ctx = canvas.getContext('2d')
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canvas.width = 1200
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canvas.height = 576
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}
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