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Previous Post Next Post. How to Change Backgrounds on Scratch. Borders Then, they'll need to set up borders. Click the Choose a Sprite button and add the sprite named "Line" to the project. Right-click on the Line sprite and select "Duplicate. To detect the character: 1.

Ryan Ryan manages blog content at iD Tech, starting with the company in How to create a game on Scratch! A step-by-step tutorial for beginners. Scratch vs. Scratch Sprites: What are they, and how can kids create them? Featured Posts What does a year at iD Tech look like? Enrichment where the innovation never stops. We use cookies and may collect information about you, to provide you with the best experience.

Draw a few other shapes using this approach. Now, try to draw a circle using this approach. Hint: Take tiny steps and turn little bit at a time.

Here is a fancy drawing. What is going on here? Now code it and see it in action. Change a few parameters carefully think about it before you change and see how the drawing changes. Look at the drawing and think how can try to draw it. You can use. Also, you can use. Statement like. Power of Variables. Just like humans, computers can remember data! In fact, unlike humans, it can store, modify and retrieve huge amount of data!!

Scratch has several in-built variables already: x, y, direction, pen color, color shade thickness , etc. In addition, user can define variables too. Expanding Squares:. Let us continue to use Pencil sprite. Each variable needs a name.

Note: drawing gets affected once you reach the edge of drawing area, so stop before you reach the edge. How will you adjust the color as it proceeds? See the output. Now, draw expanding hexagons, triangles! To draw a circle, we need to make a few adjustments: Draw a small line, turn little bit, draw bigger line, Make the code changes to generate a drawing like this one.

Note: Remember, there are shades of color 0 to , and above will wrap-around :. Key thing is to change the color every time so that the color shade goes up by for every degrees.

Let us return back to Cat. Make the cat walk back and forth or make it go in a circle. Basically, walk slowly first, gradually increase the speed along the way, once max speed is achieved, gradually decrease the speed back to minimum, so on. As it walks make the size bigger. Once a maximum size is reached, keep decreasing the size until it becomes very small.

Use a variable in. Set rotation style to left-right first, make the cat walk back and forth NOT circle — vary the walking distance: Walk for small distance first and turn. Now, walk some more distance and turn, now some more distance so on Once a max distance is reached, now keep reducing the walking distance, until the walking distance becomes very small.

As Cat walks, switch between 2 poses also known as costumes. Try the same approach with your favorite sprite. Following ones are good:. If you want another sprite, try pico! Do this at home! Take photos of a few poses of interesting object it can be you! Select ghost2 and let us make it go around the city! Select a few favorite backdrops fancy term for Background! Similar to sprite library, there is a library for backdrops too. Make it more fancy! Also, move the ghost to left end! Now, the ghost is really visiting the city, right?

Go ahead and add a few more enhancements! Or, add your favorite sprite and make it roam through nature We cannot play a game without user interaction, right? Events is all about user interactions. Let us start with Start and Stop signs. Be sure to switch to vector mode to do so the blue button at the bottom of the costume tab will read Convert to Bitmap.

Finally, we can use the color chooser to select a matching brown color to fill in the white space below our dirt scene. Geocaching is a fun activity here on Earth.

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