Learning Minecraft Command Block Programming, Part 4 - Summoning entities, target selectors, execut

I'll teach you Minecraft command block programming! This series will help you learn step-by-step using the 1.9 snapshots of Minecraft for PC.

This episode covers
- how to summon entities with /summon
- the /kill command to destroy entities
- basics of entity target selectors, like @e[type=Cow]
- the 'execute' command to execute a command at an entity
- using a combination of /execute & /tp in a loop to have effects at computed locations in the world
- a trick to do 'else' in an if-then-else
- a first 'homework exercise' for practice for those interested

Learn more about selectors and other commands here: http://minecraft.gamepedia.com/Commands

See my previous fractal drawings here: https://www.youtube.com/watch?v=nfkkMFLtlUg

Teaching programming to a wide audience is a challenge. I'll try to go at a slow, detailed pace that most viewers can follow. If you know a topic well, you might want to watch at 1.5x or 2x speed to skim.

Teaching complicated subject matter is a challenge. During an episode, I sometimes do 'handwaving', or tell white lies or lies of omission, for simplicity to teach beginners. At the end of each epsiode, I'll have a segment where I try to clear up the lies I know I told, going into more gory detail.

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This playlist: https://www.youtube.com/playlist?list=PLHYAYMSbpcvulT34yXXN6SjTgpi0bOgka

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