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Dec
19
comment Why not use vectors to represent orientation?
Thanks. But I thought one can simply add vectors to combine rotations, since that's how (I think) it's done when combining angular forces, right?
Dec
19
accepted Why not use vectors to represent orientation?
Dec
19
revised Why not use vectors to represent orientation?
added 141 characters in body
Dec
19
asked Why not use vectors to represent orientation?
Jul
3
accepted Detect if square in grid is within a diamond shape
Jul
3
comment Detect if square in grid is within a diamond shape
Ah, Manhattan distance! That's it! So I have: (x - o).abs().sum() <= half where abs() returns the coordinates' absolute values and sum() returns the sum of the coordinates.
Jul
2
asked Detect if square in grid is within a diamond shape
Jun
18
awarded  Popular Question
Jun
7
awarded  Scholar
Jun
7
accepted Rotate point by a direction vector
Jun
7
comment Rotate point by a direction vector
Oh, oh, sorry. I read float3 as some sort of float number rather than a 3D vector. Thanks!
Jun
7
comment Rotate point by a direction vector
I am, but I'm still a bit new to them. I'm a but confused where I would put the right,upTrue, and dir. On the top of each column?
Jun
7
comment Rotate point by a direction vector
Thanks. Can you clarify a bit on how I would construct a 3x3 matrix using column vectors?
Jun
7
awarded  Editor
Jun
7
revised Rotate point by a direction vector
added 20 characters in body
Jun
7
asked Rotate point by a direction vector
Apr
14
awarded  Citizen Patrol
Mar
26
awarded  Supporter
Apr
4
awarded  Student
Apr
4
asked Best 3D Physics Engine to use with Ogre