57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
import random
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import matplotlib.pyplot as plt
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# Game parameters
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coin_price = 100.0
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price_sensitivity = 0.5
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volatility = 0.3
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price_history = [coin_price]
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trade_history = [0] # User's buy/sell behavior per turn
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cumulative_trades = [0] # Net amount of coins user holds over time
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def save_graph():
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plt.clf()
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plt.plot(price_history, label="Coin Price", color='blue')
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plt.plot(trade_history, label="Trade Behavior", color='orange')
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plt.plot(cumulative_trades, label="Net Coins Held", color='green')
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plt.title("Coin Price, Trade Behavior & Net Holdings Over Time")
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plt.xlabel("Turn")
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plt.ylabel("Value")
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plt.legend()
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plt.grid(True)
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plt.savefig("coin_price.png")
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print("📊 Graph saved as 'coin_price.png'")
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print("💰 Welcome to Crypto Kids! Type +10 to buy or -10 to sell.")
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print("Type 'exit' to stop the game.\n")
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while True:
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print(f"\nCurrent Coin Price: {round(coin_price, 2)}")
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user_input = input("Enter buy/sell amount (e.g., +10 or -10): ").strip()
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if user_input.lower() == "exit":
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print("👋 Game Over. Thanks for playing!")
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break
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try:
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trade_amount = int(user_input)
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except ValueError:
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print("⚠️ Please enter a valid number like +10 or -5.")
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continue
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trade_history.append(trade_amount)
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new_total = cumulative_trades[-1] + trade_amount
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cumulative_trades.append(new_total)
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buys = trade_amount if trade_amount > 0 else 0
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sells = -trade_amount if trade_amount < 0 else 0
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net_demand = buys - sells
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price_change_from_demand = net_demand * price_sensitivity
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random_factor = random.uniform(-volatility, volatility) * coin_price
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coin_price += price_change_from_demand + random_factor
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coin_price = max(1, coin_price)
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price_history.append(coin_price)
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save_graph()
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