To make this game even more fun and interesting
you can change how the sprites look with a costume change.
In this add-on you'll learn how to change costumes
for player one and player two when the one and two
keys are pressed on the keyboard.
If you click on player one in the costumes tab
you'll see there are three costumes for this sprite
available in the starter project.
If you want to choose more costumes,
simply click choose costumes from library
and select the costumes you want to add.
Select looks add a next costume block
which changes the sprites costumes.
When you click on this block it changes the costumes
of the player one sprite.
Finally, add an event to tell the computer
when to change the player one sprite's costume.
The user should be able to change the costume
by pressing a key on the keyboard
such as the space key.
To make that possible slect a
when space key press block.
Choose any value that makes sense for player one.
This example uses one,
but play around with the values until you find one you like.
Time to test your code.
Press the 1 key and look at that!
The costume changes.
To program player two, code this in the same way
but with a different key press event
that uses a different key than the one
you programed for player one.
Finally, add instructions to the project page
that tell your users how the project works.
Now it's your turn.
Add more costumes to your player sprites.
Program costume changes using next costume
and when key pressed blocks.
Add a button that changes the racetrack backdrop.
Change what the racers look like when a key is pressed.
Play a crashing sound each time the racers hit each other.
Program a sprite to count down to the start of the race and cheer.
Add a colorful trail effect to the racers.
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