Example 1

// function that prints a random number from 1 - 50:
function getRndNumber(min, max) {
    return Math.floor(Math.random() * (max - min + 1)+ min);
}
const randomNum = getRndNumber(1, 50);
console.log(randomNum);

// function that drills a random material out from the ground:
const material = ["Diamond", "Platinum", "Gold", "Emerald", "Ruby", "Silver"];
function RndMaterial(arr) {
    const RndMaterial = Math.floor(Math.random() * arr.length);
    return arr[RndMaterial];
}
const randomMat = RndMaterial(material);
console.log(randomMat)

// function that calculates the area of a rectangle:
function Areaofrectangle(length, width) {
    return (length * width);
}
const length = 50
const width = 30
const area = length * width
console.log(area);

// function to apply a speed boost
function applySpeedBoost(currentSpeed, boostMultiplier) {
    return currentSpeed * boostMultiplier;
}
const playerSpeed = 20;
const boostMultiplier = 50;
const boostedSpeed = applySpeedBoost(playerSpeed, boostMultiplier);
console.log(boostedSpeed)

// function to simulate health regeneration
function regenerateHealth(currentHealth, regenerationRate, timeInSeconds) {
    const regeneratedHealth = currentHealth + regenerationRate * timeInSeconds;
    return Math.min(regeneratedHealth, 100); // Cap health at 100
}
const playerHealth = 80;
const regenerationRate = 2;
const timeElapsed = 5;
const newHealth = regenerateHealth(playerHealth, regenerationRate, timeElapsed);
console.log(`New health: ${newHealth}`);

// function to calculate experience points (XP)
function calculateXP(level, baseXP, multiplier) {
    return baseXP * Math.pow(level, multiplier);
}
const playerLevel = 5;
const baseXP = 100;
const xpMultiplier = 1.5;
const earnedXP = calculateXP(playerLevel, baseXP, xpMultiplier);
console.log(earnedXP);

// inventory system integration:
const playerInventory = {
    credits: 52,
    coins: 7,
    keys: 4,
    weapons: ["sword", "bow & arrow"],
};

// function that adds an item to the inventory of the player:
function addtoInventory(item, quantity) {
    if (playerInventory[item]) {
        playerInventory[item] += quantity;
    } else {
        playerInventory[item] = quantity;
    }
}
addtoInventory("credits", 75);
addtoInventory("coins", 25);
console.log(playerInventory);

// function that simulates loot drops in RPG games:
function getRndLoot() {
    const lootTable = [
        {item: "health potion", chance: 0.2},
        {item: "speed potion", chance: 1.2},
        {item: "rare coin", chance: 1.1},
    ];
    const randomNum = Math.random();
    var selectedItem = null;
    for(const loot of lootTable) {
        if(randomNum < loot.chance) {
            selectedItem = loot.item;
            break;
        }
    }
    return selectedItem || `no loot`;
}
const droppedItem = getRndLoot();
console.log(droppedItem)

// function that tracks quests completed by players:
const completedQuests = [];
function completeQuest(questName) {
    if(!completedQuests.includes(questName)) {
        completedQuests.push(questName);
    }
}
completeQuest("Find Darkost in the Armageddon");
completeQuest("Retrieve the crown from the forgotten dungeon");
console.log(`Completed quests: ${completedQuests.join(', ')}`);