How To Make A Scrolling Background In Scratch?

How to Make a Scrolling Background in Scratch

Have you ever wanted to create a game with a scrolling background? Maybe you’re making a platformer where the player character moves through a forest, or a racing game where the cars zoom past cityscapes. Whatever your project, adding a scrolling background can help to create a sense of motion and depth.

In this tutorial, I’ll show you how to make a scrolling background in Scratch. We’ll use the built-in sprites and sounds to create a simple but effective effect. By the end of this tutorial, you’ll be able to add scrolling backgrounds to your own games with ease.

So let’s get started!

**How To Make A Scrolling Background In Scratch?**

| Step | Description | Code |
|—|—|—|
| 1 | Create a new project. | `new Project()` |
| 2 | Add a sprite to the stage. | `addSprite()` |
| 3 | Set the sprite’s size to the size of the stage. | `sprite.setSize(stage.getWidth(), stage.getHeight())` |
| 4 | Create a new variable to store the background image. | `var backgroundImage = loadImage(“image.png”)` |
| 5 | Set the sprite’s image to the background image. | `sprite.setImage(backgroundImage)` |
| 6 | Create a new variable to store the background speed. | `var backgroundSpeed = 10` |
| 7 | Create a new loop that will scroll the background. | `while (true) {` |
| 8 | Move the sprite’s x-position by the background speed. | `sprite.x += backgroundSpeed` |
| 9 | Check if the sprite’s x-position is greater than the width of the stage. | `if (sprite.x > stage.getWidth()) {` |
| 10 | Set the sprite’s x-position to 0. | `sprite.x = 0` |
| 11 | } |
| 12 | } |

Output:


What is a Scrolling Background?

A scrolling background is a background image that moves across the screen as the user scrolls. This can be used to create a sense of depth and movement in a game or application, or to simply make the interface more visually interesting.

There are a few different ways to create a scrolling background in Scratch. The simplest method is to use the block. This block allows you to draw directly to the screen, and you can use it to create a moving background image.

Another way to create a scrolling background is to use the block. This block allows you to create a grid of tiles, and you can then use the block to move the tiles across the screen.

Finally, you can also create a scrolling background using the block. This block allows you to create a moving image, and you can then use the and blocks to move the sprite across the screen.

How to Create a Scrolling Background in Scratch?

To create a scrolling background in Scratch, you can use the following steps:

1. Create a new project in Scratch.
2. Click on the block and select the option.
3. Click on the block and select the color you want for your background.
4. Click on the block and enter the dimensions you want for your background.
5. Click on the button to save your background.

Now that you have created your background, you can start to add scrolling effects.

To create a scrolling background using the block, you can use the following steps:

1. Click on the tab and select the button.
2. Click on the block and enter the following code:

// Create a canvas
var canvas = createCanvas(width, height);

// Draw the background image
image(backgroundImage, 0, 0);

// Move the background image
backgroundImage.x -= speed;

// Check if the background image has gone off the screen
if (backgroundImage.x < -width) { // Reset the background image position backgroundImage.x = width; } This code will create a canvas the size of your background image, and it will draw the background image to the canvas. The code will then move the background image across the screen at a speed of `speed`. If the background image goes off the screen, the code will reset its position to the right side of the screen. To create a scrolling background using the block, you can use the following steps:

1. Click on the tab and select the button.
2. Click on the block and enter the following code:

// Create a tilemap
var tilemap = createTilemap(width, height, tileWidth, tileHeight);

// Load the background image
var backgroundImage = loadImage(“background.png”);

// Set the tilemap background image
tilemap.backgroundImage = backgroundImage;

// Set the tilemap scroll speed
tilemap.scrollSpeed = speed;

// Start the tilemap scrolling
tilemap.startScrolling();

This code will create a tilemap the size of your background image, and it will load the background image into the tilemap. The code will then set the tilemap background image and the tilemap scroll speed. Finally, the code will start the tilemap scrolling.

To create a scrolling background using the block, you can use the following steps:

1. Click on the tab and select the button.
2. Click on the block and enter the following code:

// Create a sprite
var sprite = createSprite(width, height);

// Load the background image
var backgroundImage = loadImage(“background.png”);

// Set the sprite image
sprite.image = backgroundImage;

// Set the sprite scroll speed
sprite.scrollSpeed = speed;

// Start the sprite scrolling
sprite.startScrolling();

This code will create a sprite the size of your background image, and it will load the background image into the sprite. The code will then set the sprite image and the sprite scroll speed. Finally, the code will start the sprite scrolling.

In this tutorial, you learned how to create a scrolling background in Scratch. You learned how to use the block, the block,

3. Examples of Scrolling Backgrounds in Scratch

Here are some examples of scrolling backgrounds that you can create in Scratch:

* **A simple gradient background:** This background uses the `fill` block to create a gradient from blue to white. The `repeat` block is used to repeat the gradient across the screen.

blocks
// Create a gradient background
fill(0, 0, 255)
repeat(100) {
fill(lerp(0, 255, i / 100))
rect(0, 0, width, height)
}

* **A moving background:** This background uses the `move` block to move a sprite across the screen. The `forever` block is used to repeat the motion of the sprite.

blocks
// Create a sprite
let sprite = sprites.create(img`
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
`, SpriteKind.player)

// Move the sprite across the screen
forever {
sprite.x += 1

// Check if the sprite has reached the edge of the screen
if (sprite.x > width) {
// Move the sprite back to the left side of the screen
sprite.x = 0
}
}

• A parallax background: This background uses the `scale` block to create a sense of depth. The `forever` block is used to repeat the motion of the sprites.

blocks
// Create three sprites
let sprite1 = sprites.create(img`
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
`, SpriteKind.player)
let sprite2 = sprites.create(img`
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
`, SpriteKind.player)
let sprite3 = sprites.create(img`
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
`, SpriteKind.player)

// Scale the sprites
sprite1.scale = 2
sprite2.scale = 1
sprite3

How do I make a scrolling background in Scratch?

To make a scrolling background in Scratch, you can use the following steps:

1. Create a new project and add a sprite to the stage.
2. In the sprite’s **Properties** tab, set the **Background** property to **Solid color**.
3. In the **Looks** tab, click the **Add new block** button and select **Motion** > **Change y by**.
4. In the **Change y by** block, enter a negative number. This will cause the sprite to move up the screen over time.
5. To make the background scroll, you need to create a new variable and store the current y-position of the sprite in it. You can do this by adding the following block to the sprite’s **Script** editor:

let yPos = y

6. Next, you need to create a loop that will repeatedly move the sprite up the screen and update the value of the `yPos` variable. You can do this by adding the following blocks to the sprite’s **Script** editor:

repeat (forever) {
y -= 1
yPos = y
}

7. Finally, you need to add a background to the stage. You can do this by clicking the **Add new block** button and selecting **Background** > Image.

8. In the Image block, select the image you want to use for the background.

9. The background will now scroll behind the sprite as it moves up the screen.

What are the different ways to make a scrolling background in Scratch?

There are a few different ways to make a scrolling background in Scratch. The method you use will depend on the specific effect you are trying to achieve.

One way to make a scrolling background is to use the Motion blocks to move a sprite up the screen over time. This is a simple and effective way to create a basic scrolling background.

Another way to make a scrolling background is to use the Tilemap blocks. Tilemaps allow you to create large, seamless backgrounds by arranging tiles in a grid. This is a good option if you want to create a more detailed or complex scrolling background.

Finally, you can also use the Images blocks to create a scrolling background. This is a good option if you want to use a specific image or animation as your background.

What are the benefits of using a scrolling background in Scratch?

There are a few benefits to using a scrolling background in Scratch.

• Scrolling backgrounds can create a sense of movement and depth. This can make your projects more visually appealing and engaging.
• Scrolling backgrounds can help to hide the boundaries of the stage. This can make your projects feel more expansive and immersive.
• Scrolling backgrounds can be used to create specific effects, such as parallax scrolling or scrolling text. This can allow you to add more variety and interest to your projects.

What are the limitations of using a scrolling background in Scratch?

There are a few limitations to using a scrolling background in Scratch.

• Scrolling backgrounds can be computationally expensive. This means that they can slow down your project if they are too complex or if there are too many objects on the screen.
• Scrolling backgrounds can be difficult to control. This can make it difficult to create smooth and precise movements.
• Scrolling backgrounds can sometimes cause visual artifacts. This can happen if the background is not aligned properly or if the framerate is too low.

How can I make a scrolling background that is more efficient?

There are a few things you can do to make a scrolling background that is more efficient.

• Use simple graphics. The more complex your graphics are, the more computationally expensive they will be.
• Use fewer objects. The more objects you have on the screen, the more computationally expensive your project will be.
• Use a low framerate. The framerate is the number of times per second that your project updates. A lower framerate will make your project less smooth, but it will also be less computationally expensive.

What are some tips for creating a scrolling background in Scratch?

Here are a few tips for creating a scrolling background in Scratch:

• Start with a simple background. Once you get the hang of it, you can start to add more complex elements.
• Use layers to organize your background. This will make it easier to keep track of your code and to make changes.
• Test your background regularly. This will help you

  In this tutorial, we have shown you how to make a scrolling background in Scratch. We covered the following topics:

• How to create a sprite for your background
• How to add motion to your background
• How to control the speed of your background
• How to add parallax scrolling to your background

We hope this tutorial has been helpful. If you have any questions or suggestions, please feel free to leave them in the comments below.