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  1. § Paul Watt®   said on :

    @Semi Essessi

    Thanks for you input.

    How do you deal with rotating a model and avoid matrix multiplication?

  2. § Semi Essessi   said on :

    i have some strong opinions about this stuff having worked a lot out for myself from nothing… vectors, matrices and trig are overkill to start with, and introducing them so early obscures the simplicity of what is actually necessary imo…

    as an obvious example, generic matrix multiplication is pretty useless (and classically confusing) compared to the change of basis/coordinate system that happens to be the same operation as multiplying square matrices.

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