The original Arcball paper by Shoemake is a fun read, a marriage of mathematics and user experience design: https://www.talisman.org/~erlkonig/misc/shoemake92-arcball.pdf …
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The original Arcball paper by Shoemake is a fun read, a marriage of mathematics and user experience design: https://www.talisman.org/~erlkonig/misc/shoemake92-arcball.pdf …
