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Let us take a look at some of the blocks from Block toolbar:

Scene : It is used to modify the background of the game simulator. Some of the commonly
used blocks of this section are:
Screen width: It stores the value of the width of the screen.
Background image: It stores an image for the background.
Set Background Color: It is used to set the background colour.

Set Background Image: It is used to set an image as background.
Loops : It is used to repeat a set of block multiple times.
Repeat: It is used to repeat the execution of a set of block multiple times.

Logic : It is used to add conditional blocks to the program.
If-else: It is used to make decisions based on a condition. If the condition is true, then the if block
is executed otherwise else block will be executed.

Variables : It is used to create variables.

Math : It contains blocks to perform mathematical operations.
BUILDING A MUSIC PLAYER

Step 1 Open Makecode, click on New Project. Write the name of project building a music
player and click on Create.
Step 2 Click on Loops and select repeat block, drag it to the workspace and drop the repeat
block to on start block.

Step 3 Change the value of 4 to 10 in the repeat block.
Step 4 In Music, select Play sound until done, it will appear on the workspace and then drag
and drop the Play sound until done, block in the repeat block.

Step 5 When you click on the Start the simulator button, you will hear the music 10 times. The
loop repeats itself 10 times. The flow starts with 1 and with each iteration, it increments
the value by 1. Each time loop completes once iteration and you will hear music once.

134 Premium Edition-VII Techipedia (Microsoft MakeCode Arcade) PB