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Anniepoo/rocket game

Created November 29, 2020 09:49
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rocket game
:- use_module(library(chr)).
:- chr_constraint player/3, rocket/3, target/2, input/1, tick/0.
player(X,Y,H),input(space) ==> rocket(X,Y,H).
tick \ rocket(X,Y,H) <=> NX is X + cos(H) * V, NY is Y + sin(H) * V, rocket(NX, NY, H).
rocket(X,Y,_), target(TX, TY, _) <=> near(X,Y,TX,TY), explosion(TX,TY).
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