In this video,
you'll make the athletes in your project
look like they're performing.
The example project will build off
of the cheerleading starter project,
but you'll build your project using the sport you chose.
Click on the sprite you will animate,
then click on the Costumes tab.
You'll see pictures of the sprite
in a few different poses.
If you click through these costumes quickly,
the sprite looks like it's moving.
Computers are useful
because you can program them to do tasks for you.
To program the sprite to change costumes,
go to the Looks menu and drag out the next costume block.
Click on it.
The sprite changes costumes,
keep clicking on it to make the sprite
look like its animated.
Scratch also offers a block that will continue
to change the costumes
without you clicking on it over and over.
The repeat block makes actions repeat a number of times.
From the Control menu,
drag out a repeat block
and place it around the next costume block.
Click on the code to test it.
The costume changes many times but it changes very quickly.
To slow down the costume changes,
select a wait block from the Control menu
and place it inside the repeat block.
Tinker with the values in the repeat loop
and wait block until the animation looks good to you.
Next, add an event that will make the athlete perform.
In computer science, events cause an action in a program.
In this case,
a user pressing a key is the event
that makes the athlete perform.
Click on the Events menu,
place a when key pressed event block
on top of the stack that makes the athlete perform.
From the drop down menu, select a key to use as an event.
This example uses the one key.
To test this code,
press the key on your keyboard,
the athlete starts performing.
Next, code the rest of the athletes
in your project to perform.
The code for the other sprites will be
very similar to the code you just created.
Copying code from one sprite to another is easier and faster
than creating new code for each sprite.
To copy the code,
drag it over to the sprite in the Sprites menu,
then change the key press event.
For this example,
the second athlete performs when the two key is pressed.
And the third when the three key is pressed.
Tinker with the number of repeats
and the wait times for each sprite
until you like their performances.
Here's the Game Plan!
First, make the sprite keep changing costumes
using the repeat loop
and change costume block.
Slow down the costume changes using the wait block.
Make the code run when the user presses a key
using the when key pressed block.
Copy the code to the other sprites
and change the key press events for each athlete.
Finally, tinker with the values in the repeat loops
and the wait blocks until you like what you have.
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