75 lines
3.2 KiB
JavaScript
75 lines
3.2 KiB
JavaScript
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let handleInput;
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const initialize = () => {
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game.level = 1;
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game.score = 0;
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game.totalTime = 0;
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game.keyboard = game.input.Keyboard();
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handleInput = game.keyboard.update;
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game.lastTimeStamp = performance.now();
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game.player = game.Player({x: game.width/2 - 20, y: game.height-40, width: 40, height: 40, sprite: game.sprites.ship});
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game.resetObjects();
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};
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const update = (elapsedTime) => {
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game.totalTime += elapsedTime;
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game.mushrooms.map((mushroom) => game.getMushroomCollidableObjects().filter((object) => object.intersects(mushroom))).map((objects, i) => {
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objects.map((object => object.onMushroomCollision ? object.onMushroomCollision(game.mushrooms[i]) : null));
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});
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game.bullets.map((bullet) => game.getBulletCollidableObjects().filter((object) => object.intersects(bullet))).map((objects, i) => {
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objects.map((object) => object.onBulletCollision ? object.onBulletCollision(game.bullets[i]) : null)
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})
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game.getPlayerCollidableObjects().map((object) => object.intersects(game.player) ? object.onPlayerCollision(game.player) : null);
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game.bullets = game.bullets.filter((bullet) => bullet.alive);
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game.spiders = game.spiders.filter((spider) => spider.alive);
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game.explosions = game.explosions.filter((explosion) => explosion.alive);
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game.mushrooms = game.mushrooms.filter((mushroom) => mushroom.state > 0);
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game.scorpions = game.scorpions.filter((scorpion) => scorpion.x >= 0 && scorpion.x <= game.width - scorpion.width && scorpion.alive);
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game.fleas = game.fleas.filter((flea) => flea.y < game.height - flea.height && flea.alive);
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game.getObjects().map((object) => object.update(elapsedTime));
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if (Math.random() < 0.002 * game.level && game.spiders.length < game.level) {
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game.spiders.push(game.Spider({x: game.width/2, y: 0, width: 80, height: 40, rot: 0, dx: -0.2, dy: 0, sprite: game.sprites.spider}));
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}
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if (Math.random() < 0.001 * game.level && game.fleas.length < game.level) {
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game.fleas.push(game.Flea({x: Math.floor(Math.random() * game.width / game.mushroomDims.width) * game.mushroomDims.width, y: 0, width: 40, height: 40, rot: 0, dx: 0, dy: 0.2, sprite: game.sprites.flea}));
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}
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if (Math.random() < 0.001 * game.level && game.scorpions.length < game.level) {
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game.scorpions.push(game.Scorpion({y: Math.floor(Math.random() * game.height / game.mushroomDims.height) * game.mushroomDims.height, x: 0, width: 80, height: 40, rot: 0, dx: 0.2, dy: 0, sprite: game.sprites.scorpion}));
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}
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if (!game.centipede.alive()) {
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game.resetObjects();
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game.level++;
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game.score += game.level*400;
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}
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};
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const render = (elapsedTime) => {
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game.graphics.clear();
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game.getObjects().map((object) => object.draw(elapsedTime));
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document.getElementById("hud").innerHTML = `Level: ${game.level} Lives: ${game.player.lives} Score: ${game.score} ${game.player.poisoned ? "<span style='color:green'>POISONED<span>" : ""}`;
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};
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const gameLoop = (time) => {
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const elapsedTime = time - game.lastTimeStamp;
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game.lastTimeStamp = time;
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handleInput(elapsedTime);
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update(elapsedTime);
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render(elapsedTime);
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if (!game.stopped) {
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requestAnimationFrame(gameLoop);
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}
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};
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initialize();
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menu.reRegisterKeys();
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requestAnimationFrame(gameLoop);
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