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17 lines
259 B
Common Lisp
17 lines
259 B
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: quaternion.gc
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;; name in dgo: quaternion
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;; dgos: GAME, ENGINE
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(defun quaternion-identity! ((dst quaternion))
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(rlet ((r0 :class vf))
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(.xor.vf r0 r0 r0)
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(.svf dst r0)
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)
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(set! (-> dst w) 1.0)
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dst
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)
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