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I’m building a quick 3D engine for a game I’m developing.
Currently I’m handling rotation of 3D objects by rotating around the global axis Y, X then Z. Is this the correct way to do it, or should I be rotating objects about its local axis?
Which do you recommend and why?
If the local axis method is the correct way, would a 3D 3×3 or 4×4 matrix have to be used to calculate the rotations correctly? How?
4×4 matrices give you more flexibility. For example, you can concatenate several transformations (translation, rotation, etc) through matrix multiplication.