How to create a transition screen in Scratch
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In Scratch, you can create transition screens to show the passing of time or to add special effects to your projects. Here's how you can do it:
Create a Cover Sprite: Start by creating a new Sprite that covers the entire screen. This will be your transition screen.
Adjust Sprite Position: Use a "Go to XY" block to position the cover Sprite at the center of the screen (X: 0, Y: 0).
Hide the Sprite: Initially, hide the transition screen Sprite so it's not visible when the project starts.
Create Fade In Function: Define a function called "Fade In" where you set the ghost effect of the transition screen Sprite to 100 (invisible), bring it to the front layer, and then use a "Repeat" block with a negative value to gradually reduce the ghost effect, making the Sprite fade in.
Create Fade Out Function: Similarly, create a function called "Fade Out" where you use a "Repeat" block to gradually increase the ghost effect of the transition screen Sprite, making it fade out. Finally, hide the Sprite.
Use Broadcasts to Control the Transition: To trigger the transition, broadcast the "Fade In" message and wait for a few seconds. Then, change the background or perform any other actions you want to show during the transition. After that, broadcast the "Fade Out" message to fade out the transition screen.
Use "Wait" Blocks for Synchronization: To ensure that the next block of code does not run until the transition is complete, use "Wait" blocks after broadcasting the "Fade In" and "Fade Out" messages.
Testing and Refinement: Test your project to see how the transition screens look. You can adjust the timing of the fade in and fade out effects by changing the value in the "Repeat" blocks.
Adding transition screens can make your Scratch projects more dynamic and engaging.
Check out the links above for more free Scratch videos, projects, lessons, tips, etc. If you'd like to learn how to teach computer science education with your students, check out the #CSK8 Podcast in the link above to explore research, experiences, and perspectives on computer science education through interviews with computer science educators, scholars, and administrators, as well as episodes that summarize and unpack implications of research for classroom teachers who are interested in learning more about practical applications of research in their classroom.
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00:00 How to create a transition screen sprite in Scratch
00:16 How to fade a sprite in in Scratch
00:28 How to fade a sprite out in Scratch
00:35 How to code a transition screen in Scratch