1. help: hidden face removal
- Posted by Mike.Burrell at GEOCITIES.COM Jul 16, 1997
- 635 views
okay right now i'm using two methods of hidden face removal at the same time the first method takes a look at each face in the polygon, and takes the normal to the z vector for that face (i.e. it creates an imaginary stick and sticks it out of each face so that goes exactly straight out)... if this normal is positive (i.e. the stick is facing away from the camera) i don't draw the face this works fantastarific if the cube is inline with the camera (i.e. the x,y coodinates are at (0,0))...however as soon as the cube goes to the side or the top or the bottom my algorithm becomes a little bit off... does anyone have any suggestions as to how i would better my z vector algorithm thingy? oh btw my other method of hidden face removal is just plain z-sorting so that i draw the farthest away faces first...which works fairly well :> . o O Mike Burrell O o . . o O burrellm at geocities.com O o . . o O mikpos.base.org O o .