// Konstanten
const GAME_WIDTH = 800;
const GAME_HEIGHT = 400;
const GRAVITY = 0.6;
const JUMP_POWER = -12;
const HIGH_JUMP_POWER = -16;
const GROUND_Y = 350;
const BASE_SPEED = 5.0;
const CHUNK_SIZE = 60;
const TARGET_FPS = 60;
const MS_PER_TICK = 1000 / TARGET_FPS;

// RNG Klasse
class PseudoRNG {
    constructor(seed) {
        this.state = BigInt(seed);
    }
    nextFloat() {
        const a = 1664525n; const c = 1013904223n; const m = 4294967296n;
        this.state = (this.state * a + c) % m;
        return Number(this.state) / Number(m);
    }
    nextRange(min, max) {
        return min + (this.nextFloat() * (max - min));
    }
    pick(array) {
        if (!array || array.length === 0) return null;
        const idx = Math.floor(this.nextRange(0, array.length));
        return array[idx];
    }
}