How to Make a Decal on Roblox

In the world of Roblox, decals are an essential part of game development, allowing creators to add visual flair and personality to their games. If you're looking to learn how to create a decal on Roblox, you've come to the right place. In this article, we'll walk you through the process step by step.

First things first, what is a decal? A decal is essentially an image that can be placed on any surface in your game world. They're often used to add visual details, such as logos, symbols, or even entire characters. To create a decal, you'll need to use the ImageDecal object in Roblox's Studio.

To start, open up your Roblox project and navigate to the place where you want to add the decal. Once there, click on the 'Models' tab and then select 'ImageDecal' from the dropdown menu. This will create a new ImageDecal object in your scene.

Next, you'll need to set the size of the decal using the ImageRectSize property. This is where things can get a little tricky, as ImageRectSize uses a 0-based coordinate system instead of the typical 1-based system we're used to. To make things easier, it's best to think of each sprite in your spritesheet as being offset by one pixel from its actual position.

For example, if you have a spritesheet with rectangles that are 75 pixels x 75 pixels in size, you can set the ImageRectSize property to Vector2.new(75, 75). This will tell Roblox how large each individual sprite is in the sheet.

Now that we've got our image size set, it's time to add the actual image. To do this, click on the 'Image' tab and select your desired image from your computer or mobile device. Once you've selected the image, you can use the ImageRectOffset property to position it within the spritesheet.

The ImageRectOffset property uses a 0-based coordinate system, so if you want to place an image in the top left corner of the spritesheet, for example, you would set the offset to Vector2.new(0, 0). To calculate the offset for a specific sprite, simply multiply the row and column numbers by the size of each sprite.

For instance, if your spritesheet has rectangles that are 75 pixels x 75 pixels in size, and you want to place an image in the bottom right corner (row 5, column 6), you would set the offset to Vector2.new(450, 375).

Finally, once you've set the ImageRectOffset property, your decal is ready to be placed on any surface in your game world. Simply drag and drop the decal onto the desired surface, and adjust its position as needed.

In conclusion, creating a decal on Roblox is a relatively simple process that requires just a few steps. By understanding how the ImageRectSize and ImageRectOffset properties work, you'll be able to add custom images to your game world with ease. Whether you're looking to add some visual flair or create an entirely new game, decals are an essential tool in any Roblox creator's arsenal.

How to make a decal on roblox