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Fig. 6.8

Aryan: Wow! it’s very interesting game now, but I have seen new blocks named “pick random”
block and “if on edge, bounce” block. What are these blocks dear? Please explain them.

Gowri: Yes dear, sure first we will discuss “if on edge, bounce” block.

6.3 “IF ON EDGE, BOUNCE” BLOCK— “MOTION” BLOCK
This block is a “stack” block which means the sprite will bounce or jump when it

touches the edge or boundary of the output stage and sprit can also change its
direction while jumping.

6.4 VARIOUS OPERATIONS—“OPERATORS“ BLOCK

6.4.1 Arithmetic operators— “Operators” block
There are 4 types of arithmetic operators present in “Operators” block. All these
blocks are “reporter” blocks, means gives or returns some output.

6.4.1.1 “+” Block

This block is used to add two values, given on the left side and right side of “+”
operator.

6.4.1.2 “-” block

This block is used to subtract two values, given on the left side and right side of “-”
operator.

Scratch 65