Creating a Color Changing Win Message in the Mastermind Game using pgzrun Timer

What will you learn?

In this tutorial, you will master the art of rapidly changing colors in a win message using timers within the update() function while constructing a game with pgzrun.

Introduction to the Problem and Solution

To achieve the dynamic color-changing effect for a win message, we leverage Pygame Zero’s update loop. By manipulating color properties based on time intervals within the update() function, we can create visually appealing effects that enhance gameplay excitement. This approach allows us to swiftly alternate between different colors when the win condition is met.


import pgzrun

win_message = "Congratulations! You won!"
current_color = 0

def update(dt):
    global current_color

    # Change color every 0.1 seconds (10 times per second)
    if current_color % 10 == 0:
        label.set_color((255, 0, 0)) # Set color to red
        label.set_color((0, 255, 0)) # Set color to green

    current_color += 1

def draw():
    screen.draw.text(win_message, center=(400,300), fontsize=30)


# Copyright PHD


In the provided code snippet: – Initialization of variables for the win message and current color. – The update(dt) function is responsible for toggling between red and green colors every tenth of a second. – The draw() function clears the screen and displays the win message at specific coordinates with a defined font size. – Manipulating current_color based on time intervals enables rapid switching between colors for an engaging visual effect.

    How frequently does the color change occur?

    The color change occurs every tenth of a second within the update() function.

    Can I customize the colors used for changing?

    Yes, you can modify RGB values (255, 0 ,0) and (0 ,255 ,0) in the code to select different colors.

    Is it possible to add more color options for variation?

    Certainly! Additional RGB combinations can be introduced within conditional statements to expand color choices.

    Why is division by ten used as a condition in updating colors?

    Dividing by ten controls how often color changes happen by checking if each tenth iteration has occurred before switching colors.

    How can I adjust the rate of color changes?

    You can control timing for slower or faster transitions by adjusting increments or adding delays within conditional statements in update().


    By incorporating rapid-color changing messages into your game projects, you infuse them with dynamism and excitement. Utilizing Pygame Zero simplifies integrating captivating features like this while ensuring efficient performance standards are maintained during development cycles.

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