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I am currently working on a platform game, and I have the controls for the character and the basics done but I don't know how to make the platforms. I have a few ideas such as just using "if statements" with the placement of them, or I could use PVectors to have an upward force on the player when they are on the platform so they don't fall through. I don't know which would be best or if there is a better way, if there is a better way please let me know :)
Answers
Have your player constantly falling down every frame. Except don't do this is the position they are going to fall into is a platform. Then you just need some way of remembering where they all are and looping over all the platforms.
http://www.openprocessing.org/sketch/56124