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Hour of Code Minecraft | Events

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On this next level, you can pick to 
be either Steve or Alex.

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Press the arrow buttons on your keyboard to
move up, down, left, and right.

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Now you can move around a level wherever you
want.

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To use a creature, just walk towards it, turn
to face it, and press the spacebar.

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If you're using a touch screen, swipe up,
down, left, and right to move around.

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Then tap the game to use the item in front
of you.

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But what happens when you use it?

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In Minecraft, sheep drop wool when you shear
them, cows run away when you hit them, and

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creepers explode when you get near them.

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These reactions happen thanks to something
called events.

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Events tell your program to listen or wait
for when something happens.

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And when it does, perform an action.

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So far, you've used one event. Code you put
in the "when spawned" slot runs when your

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creature is created or when the game starts.

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Over the next few levels you'll have new slots
for events such as "when touched" that runs

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when you touch the creature, or "when used"
for when you use the creature.

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Or, if you want your zombie to disappear when
the sun comes up, put that in the "when day" slot