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[1.8] Getting a Vec3 directed towards an entity?


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For background info it might help to find an online introductory course into vector maths, just the simple stuff like adding & subtracting vectors, length, multiplying by a length, calculating angles between them, that sort of thing.  A lot of minecraft stuff is based on vectors...


The short answer is-


deltaVector = targetPositionVector - originPositionVector


targetVector is the entity being looked at.


for example

Entity1 = origin = located at [5, 4, 3]

Entity2 = target (being looked at) = located at [10, 11, 1]

the vector pointed from Entity1 toward Entity2 is

[10-5, 11-4, 1-3] = [5, 7, -2]




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