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About nowzer

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  1. Vector Projection with zero length

    ... and I was going to say null until I saw Josh's answer...
  2. Object Deflection

    Hey,   I've got some code which allows me to fire some projectiles, but i'm struggling to find appropriate code or maths to handle the collision / deflection. Saying that I can find certain code / maths for colliding with other rigid bodies, but I only want to deflect off a static floor.   I technically know that the output angle will be the input angle reflected along the surface normal (calculating this isn't a problem), as shown here:   But i'm after understanding how to calculate in CoR (bounce) and spin (Magnus), friction, etc...   Either code or good resources welcome ;)