Minecraft - Hour of Code: If Statements

Xbox Engineer Jasmine Lawrence introduces you to IF statements - the piece of code that allows a computer to determine what to do if certain conditions are met. You will use IF statements to make sure Steve or Alex stay safe when moving around the Minecraft world.

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Now we're going to learn about if statements.
If statements are a fundamental part of learning

to program. They help a computer make decisions.
All computers use if statements, including

my phone. For example, when I unlock my phone,
it runs some code that says if I enter the

password correctly, then unlock the phone.
Otherwise, it shows an error message.

You can use if statements in your code to make
Steve and Alice react to what they see in

the world. For example, if there is a rock
in front of them, they can turn left. Or turn

right if they run into a tree. In this case,
we don't want to fall in the lava.

It's easy to plan for the lava. We can see it on
the screen. But what about the lava that we

can't under the stone?
After we mine the stone, we'll need to check

if there's any lava in that place before moving
forward. If there is lava there, we want to

place a stone in front of our character before
we move forward. That way we can safely move on.

Time for more mining! And remember to
use the if statement to watch your step.