Hey all you GameMaker enthusiasts! Are you looking to add some cool visual effects to your game by adjusting the transparency of objects? Well, let me show you how to change the alpha of an object in GameMaker Language (GML) in just a few easy steps.

Step 1: Access the Object

First, you'll need to access the object for which you want to change the alpha. Open the object's creation code or any event where you want to modify the alpha value.

Step 2: Change the Alpha

Now, you can use the 'image_alpha' variable to change the alpha of the object. The 'image_alpha' variable controls the transparency of the object, with a value between 0 and 1. Here's an example of how to set the alpha to 0.5 (50% transparency):

image_alpha = 0.5;

You can also use math functions or game events to change the alpha dynamically based on certain conditions, creating smooth transitions and visually appealing effects.

Step 3: Testing and Tweaking

Once you've set the alpha value, you can test your game to see the changes in action. Tweak the alpha value as needed to achieve the desired visual effect.

And that's it! You've successfully changed the alpha of an object in GameMaker Language (GML). It's a simple but powerful technique that can add a whole new dimension to the visuals of your game.

Pro Tip: If you want to change the alpha of a sprite instead of an entire object, you can use the 'draw_set_alpha' function to achieve the same effect.

So, whether you're creating a dreamy underwater level, implementing stealth mechanics, or adding cool transition effects, the ability to change alpha values will give your game that extra visual oomph.

Now go ahead and experiment with different alpha values to create stunning visual effects in your game. The possibilities are endless!

Don't forget to share your alpha-modified creations with us. Happy coding!