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Minigolf physics

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Hi, I want to code a minigolf game, but I don''t how to program the physics part... For example my ball hits a wall which is not horizontal or vertical? thx, daniel lang

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Guest Anonymous Poster
in case you''re working with vectors

if you have a vector n normal to the wall and the velocity(vector) v of the ball then your new velocity v'' is

v'' = 2*(v°n)/(n°n)*n - v

where ° is the dot product and * is the multiplication. If n is normalized you can avoid the dot product n°n

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