Page 51 - Touchcode_C7_Flipbook
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Step 4: Click on ‘Function’, select
‘Make a Function’. Name
the function ‘Touchcode-7’,
Click on ‘Number’, and
name it as ‘Radius’.
Step 5: Click on ‘Done’. Function
‘Touchcode-7’, will appear on workspace.
Step 6: Create another variable with the name ‘Area of a circle’. Click on the ‘set Area of a
circle to 0’ block. Place the ‘set Area of a circle to 0’ block inside the ‘function’ block.
Step 7: From the ‘Math’ select the two ‘Multiplication’ block. Drag one multiplication block
to another, and make it Multiplication of three numbers. Drag the multiplication
blocks and drop it to the ‘function’ block, inside the ‘set Area to 0’ block.
Step 8: From the ‘Variable’ select
two ‘Radius’ blocks. Drag the
‘Radius’ block and drop it to
‘0’ of the ‘set Area to 0’ block.
Change the value of ‘0’ to 3.14.
Step 9: From ‘Game’, select ‘splash’ block. Click on ‘Advanced’, select ‘Text’, and then
click on ‘join’ block. Drag the ‘join’ block and drop it to the ‘splash’ block.
Step 10: Write the message ‘Area of a circle is:’ in ‘hello’ and in ‘world’ drag the variable
‘Area of a circle, and drop it in a ‘join’ block.
Step 11: Drag the ‘splash’ block and drop it to the ‘function block, below the ‘set Area of a
circle’.
Step 12: From the ‘function’, select the ‘call
Touchcode-7’. From the ‘Variable’
select the ‘Radius’, drop it to the
block ‘Touchcode-7’ block. Drop
the ‘call Touchcode-7’ block to the
‘on start’ block.
Fun with Functions 49

