Archived

This topic is now archived and is closed to further replies.

Fireface

Minigolf physics

Recommended Posts

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

Share this post


Link to post
Share on other sites
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

Share this post


Link to post
Share on other sites