Why does struct Camera has an attribute for eye?

karansher / computer-graphics-ray-casting

Computer Graphics Assignment about Ray Casting

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Open Ming-Yeung-Alfred-Meng opened 2 years ago

Ming-Yeung-Alfred-Meng commented 2 years ago

Why do we not just assume eye to be (0, 0, 0), so there is no need to store it?

shahmeerathar commented 2 years ago

My understanding could be wrong, but the coordinates of the eye we are given are in world space, not camera space which is what (0,0,0) would be