Questions tagged [trackball]

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4 votes
1 answer

Why is the color in the cube being weirdly swapped?

I am implementing a trackball, i.e. a camera orbiting about a fixed point, in my case the origin. When I do left click with the mouse and start moving it, I compute delta values for the angles of a ...
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16 votes
2 answers

How to implement a trackball in OpenGL?

After so much reading about transformations it is time to implement a trackball for my app. I understand I have to create a vector from the origin to where the mouse is clicked and then another from ...
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