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Statt Table nun canvas zur rendern im Frontend

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This commit is contained in:
Jonas Himmelberg
2025-04-16 11:51:30 +02:00
parent 868ccc5649
commit f2c3496e71
5 changed files with 84 additions and 62 deletions
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2
backend/src/SocketIO/GameManager/Game/GameLoop.js
View File

@@ -24,7 +24,7 @@ class GameLoop{
setTimeout(() => {
this.loop();
}, 250);
}, 125);
}
sendUpdate(){

12
frontend/game/scripts/Game/Elements/Overlay.js Normal file
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@@ -0,0 +1,12 @@
class Overlay{
constructor(src = null, deg = 0){
this.src = src;
this.deg = deg;
if(!this.src) return;
this.image = new Image();
this.image.src = src;
}
}
export default Overlay

119
frontend/game/scripts/Game/Elements/Playground.js
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@@ -1,5 +1,6 @@
import UIManager from "../UI/UIManager.js";
import Game from "../Game.js";
import Overlay from "./Overlay.js";
class Playground{
/**@param {import(Game} game @param {UIManager} uiManager */
@@ -8,73 +9,79 @@ class Playground{
this.game = game;
this.uiManager = uiManager;
this.tiles = [];
this.tileSize = Math.floor(window.innerHeight / playgroundSize.height);
this.setupTiles();
// Canvas erstellen
this.canvas = document.createElement("canvas");
this.canvas.height = this.playgroundSize.height * this.tileSize;
this.canvas.width = this.playgroundSize.width * this.tileSize;
this.uiManager.gameCanvasDiv.appendChild(this.canvas);
this.ctx = this.canvas.getContext("2d");
// Hintergrund Bilder Laden
this.bgImage1 = new Image();
this.bgImage1.src = "./assets/Gras/Gras1.png";
this.bgImage2 = new Image();
this.bgImage2.src = "./assets/Gras/Gras2.png";
// Overlays Also Schlangen und Früchte erstellen
/** @type {Array<Array<Overlay>>} */
this.overlays = [];
for(let y = 0; y < this.playgroundSize.height; y++){
const row = [];
for(let x = 0; x < this.playgroundSize.width; x++){
const overlay = new Overlay();
row.push(overlay);
}
setupTiles(){
for(let i = 0; i < this.playgroundSize.width; i++){
const row = document.createElement("tr");
let rowTiles = [];
this.uiManager.gameTable.appendChild(row);
for(let u = 0; u < this.playgroundSize.height; u++){
const td = document.createElement("td");
// Container um Überlappung zu ermöglichen
const container = document.createElement("div");
container.style.position = "relative";
container.style.height = this.tileSize + "px";
container.style.width = this.tileSize + "px";
// Das Gras als Hintergrundbild
const bgImage = document.createElement("img");
bgImage.src = (u % 2 == i % 2) ? "./assets/Gras/Gras1.png" : "./assets/Gras/Gras2.png";
bgImage.height = this.tileSize;
bgImage.width = this.tileSize;
bgImage.classList.add("backgroundTile");
// Je nach belieben Overlay-Bild
const overlayImage = document.createElement("img")
overlayImage.style.display = "none"
overlayImage.height = this.tileSize;
overlayImage.width = this.tileSize;
overlayImage.classList.add("overlayTile");
container.appendChild(bgImage);
container.appendChild(overlayImage);
td.appendChild(container);
row.appendChild(td);
rowTiles.push(overlayImage);
}
this.tiles.push(rowTiles);
this.overlays.push(row);
}
}
getOverlayTile(x, y){
if (
y >= 0 && y < this.tiles.length &&
x >= 0 && x < this.tiles[y].length
) {
return this.tiles[y][x];
draw () {
// Canvas leeren
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
// Jedes Tile / Overlay durchgehen und erst background dann falls da Overlay rendern
for(let y = 0; y < this.playgroundSize.height; y++){
for (let x = 0; x < this.playgroundSize.width; x++){
const posX = x * this.tileSize;
const posY = y * this.tileSize;
// Hintergrund rendern
const bgImage = ((x % 2) === (y % 2)) ? this.bgImage1 : this.bgImage2;
this.ctx.drawImage(bgImage, posX, posY, this.tileSize, this.tileSize);
// Falls overlay vorhanden darauf rendern
const overlay = this.overlays[y][x];
if(!overlay.src) continue;
this.ctx.save();
// Rotation anwenden | Bisschen Komplexes Mathe Funzt :)
const centerX = posX + this.tileSize / 2;
const centerY = posY + this.tileSize / 2;
this.ctx.translate(centerX, centerY);
const rotation = (overlay.deg) * Math.PI / 180;
this.ctx.rotate(rotation);
this.ctx.drawImage(overlay.image, -this.tileSize / 2, -this.tileSize / 2, this.tileSize, this.tileSize);
this.ctx.restore();
}
}
}
return null;
}
resetOverlays(){
this.tiles.forEach(r => {
r.forEach(e => {
e.style.display = "none";
e.src = "";
resetOverlay(){
this.overlays.forEach(row => {
row.forEach(overlay => {
overlay.src = null;
overlay.deg = 0;
})
})
}
setOverlay(x, y, newOverlay){
this.overlays[y][x] = newOverlay;
}
}
export default Playground;

16
frontend/game/scripts/Game/Loop.js
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@@ -1,3 +1,4 @@
import Overlay from "./Elements/Overlay.js";
import Game from "./Game.js"
class Loop{
@@ -10,23 +11,24 @@ class Loop{
}
loop(data){
this.game.playGround.resetOverlays();
this.game.playGround.resetOverlay();
const tiles = data.playground.tiles;
tiles.forEach((row, x) => {
row.forEach((tile, y) => {
if(!tile) return;
console.log(tile)
if(tile.class === "Snake"){
/** @type {HTMLImageElement} */
const tileImg = this.game.playGround.getOverlayTile(x, y);
const overlay = new Overlay(
`./assets/Snakes/${tile.color}/${tile.type}.png`,
tile.deg
)
tileImg.src = `./assets/Snakes/${tile.color}/${tile.type}.png`;
tileImg.style.display = "block"
tileImg.style.transform = `rotate(${tile.deg}deg)`;
this.game.playGround.setOverlay(x, y, overlay);
}
})
});
this.game.playGround.draw();
}
}

7
frontend/game/scripts/Game/UI/UIManager.js
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@@ -2,7 +2,7 @@ class UIManager{
constructor(){
this.mainDiv = document.getElementById("mainMenu");
this.gameTable = undefined;
this.gameCanvasDiv = undefined;
}
// Erstellen des Grundgerüstes der UI
@@ -14,9 +14,10 @@ class UIManager{
body.style.backgroundRepeat = "no-repeat";
body.style.backgroundColor = "#3b3b3f";
this.gameTable = document.createElement("table");
this.gameCanvasDiv = document.createElement("div");
this.gameCanvasDiv.id = "gameCanvasDiv"
this.mainDiv.appendChild(this.gameTable);
this.mainDiv.appendChild(this.gameCanvasDiv);
}
// Erstellen der Info für welche Schlange man ist