Like my last engine, but this time it collides with stuff! WOOHOO! Arrow keys to move. Thanks to randalpix for the math that made it go in circles! And remember to love it! Download for a symmetrical UFO! Feel free to remix, but the ground color is the gray next to white, not pure white. I'm making a game out of this, look here for info. --UPDATES ON GAME-- Updates are in order from oldest to newest. --Started! --Portal drawn. --Portal coded and implemented. --Box physics designed. --Began implementing box physics. --Development halted till Wensday evening U.S. Mountain time. --I'm leaving for a vacation on Saturday (my birthday) so I won't be able to work on it for a week. --Development resumed! :) --Mine drawn and coded. --Explosion drawn and combine with mine.