Page 144 - Chinmaya_C7_flipbook
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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.
142 Premium Edition-VII Techipedia (Microsoft MakeCode Arcade) PB

